# US 2021/0345310 A1 · Method and device for sending control channel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345310 A1 - Document ID: US20210345310A1 - Status: Published application - Kind: A1 - Application number: 17/373,699 - Filed: 2021-07-12 - Published: 2021-11-04 - Earliest claimed: 2016-11-04 - Assignees: Zte Corporation - Applicants: ZTE Corporation - Inventors: Shujuan ZHANG; Zhaohua LU; Meng MEI; Yuhong GONG; Yijian CHEN - Web page: https://patentgrep.com/patent/US20210345310A1 ## CPC - H04B 7/0617: {for beam forming} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04B 7/0417: Feedback systems - H04B 7/0452: Multi-user MIMO systems - H04B 7/0456: Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting - H04L 5/00: Arrangements affording multiple use of the transmission path - H04W 72/04: Wireless resource allocation - H04W 72/044: based on the type of the allocated resource - H04W 72/20: Control channels or signalling for resource management - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Disclosed is a method for sending a control channel. The method includes: a first communication node determining second transmission parameter information about the control channel according to at least one of first control information or first parameter information and sending the control channel to a second communication node according to the second transmission parameter information. The first parameter information includes at least one of the following information: information about a demodulation reference signal corresponding to the first control information, information about a demodulation reference signal of a data channel corresponding to the control channel, information about a type of second control information transmitted on the control channel, and information about a channel coding rate corresponding to the first control information. The first control information is sent by the second communication node to the first communication node and the second control information is sent by the first communication node to the first communication node. The second control information is on the control channel. Further disclosed are a device for sending a control channel, a method for receiving a control channel and a device for receiving a control channel. ## Claims ### Claim 1 A method for sending a control channel, comprising: determining, by a first communication node, second transmission parameter information about the control channel according to at least one of first control information or first parameter information and sending the control channel to a second communication node according to the second transmission parameter information; wherein the first parameter information comprises at least one of the following information: demodulation reference signal information corresponding to the first control information, demodulation reference signal information of a data channel corresponding to the control channel, type information of second control information transmitted on the control channel, channel coding rate information corresponding to the first control information, time resource information of the data channel or the first control information, or channel state information (CSI) comprised in the first control information, and wherein the first control information and the data channel are sent by the second communication node to the first communication node, the second control information is sent by the first communication node to the second communication node, and the second control information is on the control channel. ### Claim 2 (depends on 1) The method for sending a control channel according to claim 1, wherein the second transmission parameter information comprises at least one of the following information: information about a control channel region, information about frequency-domain resources occupied by the control channel, information about time-domain symbols occupied by the control channel, information about demodulation reference signals of the control channel, information about code-domain resources occupied by the control channel, or a multiplexing manner of multiple pieces of second control information. ### Claim 3 (depends on 1) The method for sending a control channel according to claim 1, wherein the first control information comprises transmission configuration information of the data channel. ### Claim 4 (depends on 1, 2) The method for sending a control channel according to claim 1 or 2, wherein the demodulation reference signal information comprises at least one of the following information: port index information of a demodulation reference signal; or index information of sequences adopted by the demodulation reference signal. ### Claim 5 (depends on 1) The method for sending a control channel according to claim 1, further comprising: obtaining resource information of the control channel according to the demodulation reference signal information of the data channel and at least one of the following information: frequency-domain resources corresponding to the data channel, index information corresponding to the first control information, or time unit index information corresponding to the data channel. ### Claim 6 (depends on 5) The method for sending a control channel according to claim 5, further comprising: obtaining, according to one or more minimum frequency-domain resource indexes corresponding to the data channel, a second frequency-domain resource occupied by the control channel; obtaining, according to one or more maximum frequency-domain resource indexes corresponding to the data channel, the second frequency-domain resource occupied by the control channel; obtaining third resource information of the control channel in the second frequency-domain resource according to the demodulation reference signal information corresponding to the data channel. ### Claim 7 (depends on 6) The method for sending a control channel according to claim 6, wherein the third resource information comprises at least one of the following information: a time-frequency resource group index of the control channel in the second frequency-domain resource, wherein the second frequency-domain resource comprises multiple time-frequency resource groups; a code-domain resource index of the control channel in the second frequency-domain resource; or demodulation reference signal resource information corresponding to the control channel. ### Claim 8 (depends on 4) The method for sending a control channel according to claim 4, further comprising: obtaining third transmission parameter information of the control channel according to the demodulation reference signal information corresponding to the first control information and index information corresponding to the first control information. ### Claim 9 (depends on 8) The method for sending a control channel according to claim 8, wherein the third transmission parameter information comprises at least one of the following resource information: a time-domain resource corresponding to the control channel, the frequency-domain resource corresponding to the control channel, a code resource corresponding to the control channel, or a time-frequency-code resource corresponding to a demodulation reference signal of the control channel. ### Claim 10 (depends on 2) The method for sending a control channel according to claim 2, further comprising: sending another signal according to the information about the control channel region; or when a frequency-domain resource allocated for another signal in a current time unit intersects with a frequency-domain resource where the control channel region is located, not sending the another signal on the control channel region; wherein the another signal comprises at least one of the following signals: a data channel signal, a measurement reference signal, a demodulation reference signal, an access request signal or a scheduling request signal; or a resource occupied by the control channel being a subset of a resource occupied by the control channel region. ### Claim 11 (depends on 2) The method for sending a control channel according to claim 2, wherein the information about the control channel region comprises at least one of the following information: a number of sub-regions comprised in the control channel region, information about frequency-domain resources of each of the sub-regions, information about a number of time-domain symbols corresponding to each of the sub-regions, or time-domain symbol position information of each of the sub-regions. ### Claim 12 (depends on 2) The method for sending a control channel according to claim 2, wherein the control channel region satisfies one of the following features: the control channel region occupies two sides of a predetermined bandwidth; on an upper side of the predetermined bandwidth, the greater a number of time-domain symbols corresponding to a sub-region is, the higher an occupied frequency-domain position is, wherein the higher the frequency-domain position is, the greater a subcarrier number of a subcarrier at which the sub-region is located is; on a lower side of the predetermined bandwidth, the greater the number of the symbols corresponding to the sub-region is, the lower the occupied frequency-domain position is, wherein the lower the frequency-domain position is, the smaller the subcarrier number of the subcarrier at which the sub-region is located is; when the sub-region comprises N time-domain symbols, an ending symbol of the N time-domain symbols is an ending symbol of a second transmission domain; and when the sub-region comprises the N time-domain symbols, a starting symbol of the N time-domain symbols is a starting time-domain symbol of the second transmission domain, wherein the second transmission domain corresponds to a region of the second communication node receiving a signal. ### Claim 13 (depends on 1) The method for sending a control channel according to claim 1, wherein indication information which is in the first control information and indicates information about a number of time-domain symbols of the control channel comprises at least one of the following information: whether a duration of the control channel is a long duration or a short duration; a starting symbol index of the control channel; an ending symbol index of the control channel; the number of the time-domain symbols of the control channel; or an index of the number of the time-domain symbols of the control channel in an agreed set of numbers of time-domain symbols. ### Claim 14 (depends on 1) The method for sending a control channel according to claim 1, wherein, when obtaining that a duration of the control channel is a long duration, a number of time-domain symbols of the control channel is equal to a number of time-domain symbols of a corresponding transmission domain, wherein the corresponding transmission domain and the control channel have a same transmission direction. ### Claim 15 (depends on 14) The method for sending a control channel according to claim 14, wherein the control channels with the long duration in different time units correspond to different numbers of time-domain symbols. ### Claim 16 (depends on 1) The method for sending a control channel according to claim 1, further comprising at least one of: determining information about a number of time-domain symbols occupied by the control channel or information about a number of frequency domains of the control channel according to a type of the second control information transmitted on the control channel; or determining the information about the number of the time-domain symbols of the control channel or the information about the number of the frequency domains of the control channel according to information about a channel quality level or a capability level of the first communication node; determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate corresponding to the first control information; determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate of a first data channel corresponding to the second control information; and determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate of a second data channel, wherein different types of the control channel are distinguished from each other by at least one of the following information: whether the control information second control information is CSI information or ACK/NACK information, an information length of the control information second control information, the first data channel being a data channel sent by the first communication node to the first communication node, the second data unit being a data channel sent by the first communication node to the second communication node in a current time unit, and the current time unit being a time unit where the control channel is located. ### Claim 17 (depends on 1) The method for sending a control channel according to claim 1, wherein multiple pieces of second control information having a same number of time-domain symbols are sent on one control channel; and multiple pieces of second control information of a same type are sent on one control channel, wherein different types of second control information are distinguished from each other by at least one of the following information: whether the control information second control information is CSI information or ACK/NACK information, an information length of the second control information, or a service type of the data corresponding to the second control information; and the multiple pieces of second control information are multiple pieces of second control information needed to be fed back in a current time unit. ### Claim 18 (depends on 1) The method for sending a control channel according to claim 1, further comprising at least one of the following steps: when multiple pieces of second control information needed to be fed back in a current time unit are sent on one control channel, obtaining resource information of the control channel according to first control information corresponding to a highest time unit index among multiple pieces of first control information related to the multiple pieces of second control information; and when the multiple pieces of second control information needed to be fed back in the current time unit are sent on the one control channel, obtaining the resource information of the control channel according to control channel resource information corresponding to the multiple pieces of second control information. ### Claim 19 (depends on 1) The method for sending a control channel according to claim 1, wherein a time-frequency-domain position of a demodulation reference signal of the control channel is obtained in one of the following manners: whether the demodulation reference signal is on a starting symbol or an ending symbol of the control channel is obtained according to the first control information; whether frequency-domain resources occupied by the demodulation reference signal in one time-domain symbol are continuous or discrete is obtained according to the first control information; parameters related to the demodulation reference signal are determined according to information about a number of time-domain symbols of the control channel; the parameters related to the demodulation reference signal are determined according to whether the control channel and a second data channel are allowed to be in code division multiplexing mode; the parameters related to the demodulation reference signal are determined according to a number of sending manner sets; and the parameters related to the demodulation reference signal are determined according to a sending mode of the control channel, wherein the sending mode comprises a single-layer transmission, a transmission diversity mode and a repeated transmission; wherein the second data channel is a data channel sent by the first communication node to the second communication node or by a third communication node to the second communication node. ### Claim 20 (depends on 1) The method for sending a control channel according to claim 1, wherein the first control information satisfies at least one of the following features: the first control information is high-layer semi-static control information; or the first control information is physical-layer dynamic control information. ### Claim 21 (depends on 1) The method for sending a control channel according to claim 1, wherein frequency-domain resource information of the control channel is obtained in the following manner: physical-layer dynamic information to notify the frequency-domain resource. ### Claim 22 (depends on 1) The method for sending a control channel according to claim 1, wherein resources occupied by the control channel satisfy the following feature: obtaining an ending time-domain symbol position and a starting frequency-domain resource corresponding to the control channel, as well as information about a number of resource elements of the control channel; and for the multiple resource elements of the control channel, first mapping in a frequency domain and then mapping in a time domain. ### Claim 23 (depends on 1) The method for sending a control channel according to claim 1, wherein time resource information of one of the data channel and the first control information comprises at least one of the following information: index information of a time unit at which the data channel or the first control information is located; index information of a time-domain symbol at which the data channel or the first control information is located; or index information of a time unit at which a time-domain ending position of one of the data channel or the first control information is located; and index information of a time-domain symbol at which the time-domain ending position of one of the data channel or the first control information is located. ### Claim 24 (depends on 1) The method for sending a control channel according to claim 1, wherein demodulation reference signal resource information of the second control information is determined according to CSI information in the first control information. ### Claim 25 (depends on 1) The method for sending a control channel according to claim 1, wherein CSI information fed back by the first communication node comprises a transmission resource corresponding to the first communication node, wherein the transmission resource comprises one or more of the following types of resources: a transmitting beam resource, a transmission port resource, a transmission precoding matrix resource, a transmission time resource, a transmission frequency-domain resource and a transmission sequence resource. ### Claim 26 (depends on 1) The method for sending a control channel according to claim 1, wherein the first control information satisfies at least one of the following: the first control information is common control information; the first control information comprises information that notifies a control channel resource set of a current time unit; the first control information comprises information that notifies a sending sequence of multiple sending manners used by the first communication node to send the control channel; the first control information comprises information that notifies a correspondence between time-domain regions of the control channel and the multiple sending manners or sending manner sets used to send the control channel; the first control information comprises at least one of information for notifying time-domain resource corresponding to each sending manner in the multiple sending manners or each sending manner set in the multiple sending manner sets or information for notifying frequency-domain resource corresponding to each sending manner in the multiple sending manners or each sending manner set in the multiple sending manner sets, wherein the multiple sending manners or the multiple sending manner sets are used by the first communication node to send the control channel; the first control information comprises information that notifies a sending manner used by the first communication node to send the control channel; the first control information comprises information that notifies a control channel format used by the first communication node to send the control channel; the first control information comprises information that notifies a modulation manner used by the first communication node to send the control channel; or the first control information comprises information that notifies a coding rate used by the first communication node to send the control channel. ### Claim 27 (depends on 26) The method for sending a control channel according to claim 26, further comprising: randomly selecting, by the first communication node, one or more control channel resources from the control channel resource set and sending the control channel on the one or more control channel resources; or selecting, by the first communication node, one or more control channel resources from the control channel resource set according to a predetermined rule and sending the control channel on the one or more control channel resources. ### Claim 28 (depends on 19, 26) The method for sending a control channel according to claim 19 or 26, wherein the sending manners are indicated by at least one of the following information: information about a port set of a first reference signal; information about a resource index of the first reference signal; time-domain information corresponding to the first reference signal; frequency-domain information corresponding to the first reference signal; sequence information corresponding to the first reference signal; information about a transmitting beam logical number; information about a precoding codeword or codeword set; or information about a quasi-co-location relationship between the demodulation reference signal of the control channel and a second reference signal port; wherein the first reference signal and the second reference signal are reference signals sent by the first communication node, the first reference signal and the second reference signal are reference signals received by the first communication node, or the first reference signal and the second reference signal are reference signals sent and received by the first communication node. ### Claim 29 (depends on 28) The method for sending a control channel according to claim 28, wherein when the first reference signal and the second reference signal are the reference signals received by the first communication node, at least one of the first reference signal and the second reference signal indicates one of the following information: information about a sending manner used by the first communication node to send a signal; the information about the sending manner used by the first communication node to send the signal and information about a receiving manner used by a receiving end to receive the signal; the information about the receiving manner used by the receiving end to receive the signal after the first communication node sends the signal; or the information about the sending manner used by the first communication node to send the signal and information about a receiving manner used by the first communication node to receive the signal. ### Claim 30 A method for receiving a control channel, comprising: sending at least one of first control information or first parameter information to a first communication node; determining second transmission parameter configuration information of the control channel according to the at least one of the first control information or the first parameter information; and receiving, according to the determined second parameter configuration information, the control channel sent by the first communication node, wherein the first parameter information comprises at least one of the following information: demodulation reference signal information corresponding to the first control information, demodulation reference signal information of a data channel corresponding to the control channel, type information of second control information transmitted on the control channel, channel coding rate information corresponding to the first control information, or time resource information of the data channel or the first control information, and channel state information (CSI) comprised in the first control information, and wherein the first control information and the data channel are signals received by the first communication node and the second control information is a signal sent by the first communication node, wherein the second control information is on the control channel. ### Claim 31 (depends on 30) The method for receiving a control channel according to claim 30, wherein the second transmission parameter information comprises at least one of the following information: information about a control channel region, information about frequency-domain resources occupied by the control channel, information about time-domain symbols occupied by the control channel, information about demodulation reference signals of the control channel, information about code-domain resources occupied by the control channel, or a multiplexing manner of multiple pieces of second control information. ### Claim 32 (depends on 30) The method for receiving a control channel according to claim 30, wherein the first control information comprises transmission configuration information of the data channel. ### Claim 33 (depends on 30, 31) The method for receiving a control channel according to claim 30 or 31, wherein the demodulation reference signal information comprises at least one of the following information: port index information of a demodulation reference signal; or index information of sequences adopted by the demodulation reference signal. ### Claim 34 (depends on 30) The method for receiving a control channel according to claim 30, further comprising: obtaining resource information of the control channel according to the demodulation reference signal information of the data channel and at least one of the following information, and receiving the control channel on the determined resource: frequency-domain resources corresponding to the data channel, index information corresponding to the first control information, or time unit index information corresponding to the data channel. ### Claim 35 (depends on 34) The method for receiving a control channel according to claim 34, further comprising: obtaining, according to one or more minimum frequency-domain resource indexes corresponding to the data channel, a second frequency-domain resource occupied by the control channel; obtaining, according to one or more maximum frequency-domain resource indexes corresponding to the data channel, the second frequency-domain resource occupied by the control channel; or obtaining third resource information of the control channel in the second frequency-domain resource according to the demodulation reference signal information corresponding to the data channel. ### Claim 36 (depends on 35) The method for receiving a control channel according to claim 35, wherein the third resource information comprises at least one of the following information: a time-frequency resource group index of the control channel in the second frequency-domain resource, wherein the second frequency-domain resource comprises multiple time-frequency resource groups; a code-domain resource index of the control channel in the second frequency-domain resource; or demodulation reference signal resource information corresponding to the control channel. ### Claim 37 (depends on 33) The method for receiving a control channel according to claim 33, further comprising: obtaining third transmission parameter information of the control channel according to the demodulation reference signal information corresponding to the first control information and index information corresponding to the first control information, and receiving the control channel according to the third transmission parameter information. ### Claim 38 (depends on 37) The method for receiving a control channel according to claim 37, wherein the third transmission parameter information comprises at least one of the following resource information: a time-domain resource corresponding to the control channel, the frequency-domain resource corresponding to the control channel, a code resource corresponding to the control channel, or a time-frequency-code resource corresponding to a demodulation reference signal of the control channel. ### Claim 39 (depends on 31) The method for receiving a control channel according to claim 31, further comprising: receiving another signal according to the information about the control channel region; or when a frequency-domain resource allocated for another signal in a current time unit intersects with a frequency-domain resource where the control channel region is located, not receiving the another signal on the control channel region; wherein the another signal comprises at least one of the following signals: a data channel signal, a measurement reference signal, a demodulation reference signal, an access request signal or a scheduling request signal; or a resource occupied by the control channel being a subset of resources occupied by the control channel region. ### Claim 40 (depends on 31) The method for receiving a control channel according to claim 31, wherein the information about the control channel region comprises at least one of the following information: a number of sub-regions comprised in the control channel region, information about frequency-domain resources of each of the sub-regions, or information about a number of time-domain symbols corresponding to each of the sub-regions. ### Claim 41 (depends on 32) The method for receiving a control channel according to claim 32, wherein the control channel region satisfies one of the following features: the control channel region occupies two sides of a predetermined bandwidth; on an upper side of the predetermined bandwidth, the greater a number of time-domain symbols corresponding to a sub-region is, the higher an occupied frequency-domain position is, wherein the higher the frequency-domain position is, the greater a number of a subcarrier at which the sub-region is located is; on a lower side of the predetermined bandwidth, the greater the number of the symbols corresponding to the sub-region is, the lower the occupied frequency-domain position is, wherein the lower the frequency-domain position is, the smaller a number of a subcarrier at which the sub-region is located is; when the sub-region comprises N time-domain symbols, an ending symbol of the N time-domain symbols is an ending symbol of a second transmission domain; and when the sub-region comprises the N time-domain symbols, a starting symbol of the N time-domain symbols is a starting time-domain symbol of the second transmission domain, wherein the second transmission domain corresponds to a signal receiving region of the second communication node. ### Claim 42 (depends on 30) The method for receiving a control channel according to claim 30, wherein indication information which is in the first control information and indicates information about a number of time-domain symbols of the control channel comprises at least one of the following information: whether a duration of the control channel is a long duration or a short duration; a starting symbol index of the control channel; an ending symbol index of the control channel; the number of the time-domain symbols of the control channel; or an index of the number of the time-domain symbols of the control channel in an agreed set of numbers of time-domain symbols. ### Claim 43 (depends on 30) The method for receiving a control channel according to claim 30, wherein, when obtaining that a duration of the control channel is a long duration, a number of time-domain symbols of the control channel is equal to a number of time-domain symbols of a corresponding transmission domain, wherein the corresponding transmission domain and the control channel have a same transmission direction. ### Claim 44 (depends on 43) The method for receiving a control channel according to claim 43, wherein the control channels with the long duration in different time units correspond to different numbers of time-domain symbols. ### Claim 45 (depends on 30) The method for receiving a control channel according to claim 30, further comprising at least one of the following: determining information about a number of time-domain symbols occupied by the control channel or information about a number of frequency domains of the control channel according to a type of the second control information transmitted on the control channel; determining the information about the number of the time-domain symbols of the control channel or the information about the number of the frequency domains of the control channel according to information about a channel quality level or a capability level fed back by the first communication node; determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate corresponding to the first control information; determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate of a first data channel corresponding to the second control information; or determining the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel according to a channel coding rate of a second data channel, wherein different types of the control channel are distinguished from each other by at least one of the following information: whether the control information second control information is CSI information or ACK/NACK information, an information length of the control information second control information, the first data channel being sent by the second communication node to the first communication node, the second data channel being a data channel sent by the first communication node to the second communication node in a current time unit, or the current time unit being a time unit where the control channel is located. ### Claim 46 (depends on 30) The method for receiving a control channel according to claim 30, wherein multiple pieces of second control information having a same number of time-domain symbols are received on one control channel; and multiple pieces of second control information of a same type are received on one control channel, wherein different types of second control information are distinguished from each other by at least one of the following information: whether the control information second control information is CSI information or ACK/NACK information, an information length of the second control information, or a service type of the data corresponding to the second control information; and the multiple pieces of second control information are the multiple pieces of second control information needed to be received from the first communication node in a current time unit. ### Claim 47 (depends on 30) The method for receiving a control channel according to claim 30, further comprising at least one of the following: when multiple pieces of second control information needed to be received in a current time unit are received on one control channel, obtaining resource information of the control channel according to first control information corresponding to a highest time unit index among multiple pieces of first control information related to the multiple pieces of second control information; or when the multiple pieces of second control information needed to be received in the current time unit are received on the one control channel, obtaining the resource information of the control channel according to control channel resource information corresponding to the multiple pieces of second control information. ### Claim 48 (depends on 30) The method for receiving a control channel according to claim 30, wherein a time-frequency-domain position of a demodulation reference signal of the control channel is determined in the following manners and/or the position information is indicated to the first communication node: whether the demodulation reference signal is on a starting symbol or an ending symbol of the control channel is indicated according to the first control information; whether frequency-domain resources occupied by the demodulation reference signal in one time-domain symbol are continuous or discrete is indicated according to the first control information; parameters related to the demodulation reference signal are determined according to information about a number of time-domain symbols of the control channel; the parameters related to the demodulation reference signal are determined according to whether the control channel and a second data channel are allowed to be in code division multiplexing mode; the parameters related to the demodulation reference signal are determined according to a number of sending manner sets; or the parameters related to the demodulation reference signal are determined according to a sending mode of the control channel, wherein the sending mode comprises a single-layer transmission, a transmission diversity mode and a repeated transmission; wherein the second data channel is a data channel sent by the first communication node to the second communication node or by a third communication node to the second communication node. ### Claim 49 (depends on 30) The method for receiving a control channel according to claim 30, wherein the first control information satisfies at least one of the following features: the first control information is high-layer semi-static control information; or the first control information is physical-layer dynamic control information. ### Claim 50 (depends on 30) The method for receiving a control channel according to claim 30, wherein frequency-domain resource information of the control channel is obtained in the following manner: physical-layer dynamic information to notify the frequency-domain resource. ### Claim 51 (depends on 30) The method for receiving a control channel according to claim 30, wherein a resource occupied by the control channel satisfies the following feature: obtaining an ending time-domain symbol position and a starting frequency-domain resource corresponding to the control channel, as well as information about a number of resource elements of the control channel; and for the multiple resource elements of the control channel, first mapping in a frequency domain and then mapping in a time domain. ### Claim 52 (depends on 30) The method for receiving a control channel according to claim 30, wherein time resource information of one of the data channel and the first control information comprises at least one of the following information: index information of a time unit at which the data channel or the first control information is located; index information of a time-domain symbol at which the data channel or the first control information is located; index information of a time unit at which a time-domain ending position of one of the data channel or the first control information is located; or index information of a time-domain symbol at which the time-domain ending position of one of the data channel or the first control information is located. ### Claim 53 (depends on 30) The method for receiving a control channel according to claim 30, wherein demodulation reference signal resource information of the second control information is determined according to CSI information in the first control information. ### Claim 54 (depends on 30) The method for receiving a control channel according to claim 30, wherein CSI information fed back by the first communication node comprises a transmission resource corresponding to the first communication node, wherein the transmission resource comprises one or more of the following types of resources: a transmitting beam resource, a transmission port resource, a transmission precoding matrix resource, a transmission time resource, a transmission frequency-domain resource and a transmission sequence resource. ### Claim 55 (depends on 30) The method for sending a control channel according to claim 30, wherein the first control information satisfies at least one of the following: the first control information is common control information; the first control information comprises information that notifies a control channel resource set of a current time unit; the first control information comprises information that notifies a sending sequence of multiple sending manners used by the first communication node to send the control channel; or the first control information comprises information that notifies a correspondence between time-domain regions of the control channel and the multiple sending manners or sending manner sets used to send the control channel; the first control information comprises at least one of information for notifying time-domain resource corresponding to each sending manner in the multiple sending manners or each sending manner set in the multiple sending manner sets or information for notifying frequency-domain resource corresponding to each sending manner in the multiple sending manners or each sending manner set in the multiple sending manner sets, wherein the multiple sending manners or the multiple sending manner sets are used by the first communication node to send the control channel; the first control information comprises information that notifies a sending manner used by the first communication node to send the control channel; the first control information comprises information that notifies a control channel format used by the first communication node to send the control channel; the first control information comprises information that notifies a modulation manner used by the first communication node to send the control channel; and the first control information comprises information that notifies a coding rate used by the first communication node to send the control channel. ### Claim 56 (depends on 55) The method for sending a control channel according to claim 55, further comprising: detecting, on all resource sets of the control channel resource set, the control channel sent by the first communication node; and detecting, on a subset of the control channel resource set according to a predetermined rule, the control channel sent by the first communication node. ### Claim 57 (depends on 48, 55) The method for sending a control channel according to claim 48 or 55, wherein the sending manners are indicated by at least one of the following information: information about a port set of a first reference signal; information about a resource index of the first reference signal; time-domain information corresponding to the first reference signal; frequency-domain information corresponding to the first reference signal; sequence information corresponding to the first reference signal; information about a transmitting beam logical number; information about a precoding codeword or codeword set; or information about a quasi-co-location relationship between the demodulation reference signal of the control channel and a second reference signal port; wherein the first reference signal and the second reference signal are reference signals sent by the first communication node, the first reference signal and the second reference signal are reference signals received by the first communication node, or the first reference signal and the second reference signal are reference signals sent and received by the first communication node. ### Claim 58 (depends on 57) The method for sending a control channel according to claim 57, wherein when the first reference signal and the second reference signal are the reference signals received by the first communication node, at least one of the first reference signal and the second reference signal indicates one of the following information: information about a sending manner used by the first communication node to send a signal; the information about the sending manner used by the first communication node to send the signal and information about a receiving manner used by a receiving end to receive the signal; the information about the receiving manner used by the receiving end to receive the signal after the first communication node sends the signal; or the information about the sending manner used by the first communication node to send the signal and information about a receiving manner used by the first communication node to receive the signal. ### Claim 59 A device for sending a control channel, comprising: a receiving unit, which is configured to receive at least one of first control information and first parameter information; a determining unit, which is configured to determine second transmission parameter information about the control channel according to the at least one of the first control information or the first parameter information; or a sending unit, which is configured to send the control channel to a second communication node according to the second transmission parameter information; wherein the first parameter information comprises at least one of the following information: demodulation reference signal information corresponding to the first control information, demodulation reference signal information of a data channel corresponding to the control channel, type information of second control information transmitted on the control channel, and channel coding rate information corresponding to the first control information, or wherein the first control information is sent by the second communication node to the first communication node and the second control information is sent by the first communication node to the first communication node, wherein the second control information is on the control channel. ### Claim 60 (depends on 59) The device for sending a control channel according to claim 59, wherein the second transmission parameter information comprises at least one of the following information: information about a control channel region, information about frequency-domain resources occupied by the control channel, information about time-domain symbols occupied by the control channel, information about demodulation reference signals of the control channel, information about code-domain resources occupied by the control channel, or a multiplexing manner of multiple pieces of second control information. ### Claim 61 (depends on 59) The device for sending a control channel according to claim 59, wherein resource information of the control channel is obtaining according to the demodulation reference signal information of the data channel and at least one of the following information: frequency-domain resources corresponding to the data channel, index information corresponding to the first control information, or time unit index information corresponding to the data channel. ### Claim 62 (depends on 59) The device for sending a control channel according to claim 59, wherein indication information which is in the first control information and indicates information about a number of time-domain symbols of the control channel comprises at least one of the following information: whether a duration of the control channel is long or short; a starting symbol index of the control channel; an ending symbol index of the control channel; the number of the time-domain symbols of the control channel; or an index of the number of the time-domain symbols of the control channel in an agreed set of numbers of time-domain symbols. ### Claim 63 (depends on 59) The device for receiving a control channel according to claim 59, wherein information about a number of time-domain symbols occupied by the control channel or information about a number of frequency domains of the control channel according to a type of the second control information transmitted on the control channel; the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel is determined according to a capability level information of the first communication node or channel quality level information; the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel is determined according to a channel coding rate corresponding to the first control information; the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel is determined according to a channel coding rate of a first data channel corresponding to the second control information; and the information about the number of the time-domain symbols occupied by the control channel or the information about the number of the frequency domains of the control channel is determined according to a channel coding rate of a second data channel, wherein different types of the control channel are distinguished from each other by at least one of the following information: whether the control information second control information is CSI information or ACK/NACK information, an information length of the control information second control information, the first data channel being sent by the second communication node to the first communication node, the second data channel being sent by the first communication node to the second communication node in a current time unit, and the current time unit being a time unit where the control channel is located. ### Claim 64 A device for receiving a control channel, comprising: a sending unit, which is configured to send at least one of first control information or first parameter information to a first communication node; and a receiving unit, which is configured to receive the control channel sent by the first communication node according to second transmission parameter information, wherein the second transmission parameter information is second transmission parameter information about the control channel determined by the first communication node according to the at least one of the first control information or the first parameter information, wherein the first parameter information comprises at least one of the following information: demodulation reference signal information corresponding to the first control information, demodulation reference signal information of a data channel corresponding to the control channel, type information of second control information transmitted on the control channel, or channel coding rate information corresponding to the first control information, wherein the first control information is sent by the second communication node to the first communication node and the second control information is sent by the first communication node to the first communication node, wherein the second control information is on the control channel. ### Claim 65 (depends on 64) The device for receiving a control channel according to claim 64, wherein the second transmission parameter information comprises at least one of the following information: information about a control channel region, information about frequency-domain resources occupied by the control channel, information about time-domain symbols occupied by the control channel, information about demodulation reference signals of the control channel, information about code-domain resources occupied by the control channel, or a multiplexing manner of multiple pieces of second control information. ### Claim 66 (depends on 64) The device for receiving a control channel according to claim 64, wherein the first control information is the first control information related to the data channel corresponding to the control channel, wherein the data channel and the first control information are received by the first communication node from the second communication node. ### Claim 67 (depends on 64) The device for receiving a control channel according to claim 64, wherein resource information of the control channel is obtained according to the demodulation reference signal information of the data channel and at least one of the following information: frequency-domain resources corresponding to the data channel, index information corresponding to the first control information, or time unit index information corresponding to the data channel. ### Claim 68 (depends on 64) The device for receiving a control channel according to claim 64, wherein another signal is sent according to the information about the control channel region; or when a frequency-domain resource allocated for another signal in a current time unit intersects with a frequency-domain resource where the control channel region is located, the another signal is not sent on the control channel region; wherein the another signal comprises at least one of the following signals: a data channel signal, a measurement reference signal, a demodulation reference signal, an access request signal or a scheduling request signal; or a resource occupied by the control channel is a subset of resources occupied by the control channel region. ### Claim 69 (depends on 64) The device for receiving a control channel according to claim 64, wherein the control channel region satisfies one of the following features: the control channel region occupies two sides of a predetermined bandwidth; on an upper side of the predetermined bandwidth, the greater a number of time-domain symbols corresponding to a sub-region is, the higher an occupied frequency-domain position is, wherein the higher the frequency-domain position is, the greater a number of a subcarrier at which the sub-region is located is; on a lower side of the predetermined bandwidth, the greater the number of the symbols corresponding to the sub-region is, the lower the occupied frequency-domain position is, wherein the lower the frequency-domain position is, the smaller a number of a subcarrier at which the sub-region is located is; when the sub-region comprises N time-domain symbols, an ending symbol of the N time-domain symbols is an ending symbol of a second transmission domain; and when the sub-region comprises the N time-domain symbols, a starting symbol of the N time-domain symbols is a starting time-domain symbol of the second transmission domain, wherein the second transmission domain corresponds to a signal receiving region of the second communication node. ### Claim 70 A method for determining a sending manner of a control channel, comprising: determining, by a first communication node, the sending manner of the control channel according to a sending manner of a data channel and sending the control channel to a second communication node according to the determined sending manner; or determining, by the first communication node, a sending manner of a third type of control channel according to a sending manner of a fourth type of control channel and sending the third type of control channel to the second communication node according to the determined sending manner. ### Claim 71 (depends on 70) The method for determining a sending manner of a control channel according to claim 70, wherein the sending manners is distinguished from another by at least one of the following features: a frequency-domain resource on which a reference signal is located, a time-domain resource on which the reference signal is located, a sequence resource used by the reference signal, a beam resource used by the reference signal, a precoding matrix resource used by the reference signal, a reference signal resource index of the reference signal, or a quasi-co-location relationship between reference signals; and wherein the reference signal is sent by the first communication node or the reference signal is received by the first communication node, or the reference signal is sent and received by the first communication node. ### Claim 72 (depends on 70) The method for determining a sending manner of a control channel according to claim 70, wherein the determining the sending manner of the control channel satisfies at least one of the following features: determining the sending manner of the control channel according to the sending manner of the data channel when a sending time interval between the control channel and the data channel is less than a predetermined threshold; keeping the sending manner of the control channel unchanged until a new notification signaling is received after changing the sending manner of the control channel according to the sending manner of the data channel; determining the sending manner of a third type of control channel according to the sending manner of a fourth type of control channel when a sending time interval between the third type of control channel and the fourth type of control channel is less than a predetermined threshold; keeping the sending manner of the third type of control channel unchanged until a new notification signaling is received after changing the sending manner of the third type of control channel according to the sending manner of the fourth type of control channel; changing the sending manner of the control channel according to the sending manner of the data channel when the control channel belongs to a first type of control channel; not changing the sending manner of the control channel according to the sending manner of the data channel when the control channel belongs to a second type of control channel; receiving signaling information sent by the second communication node, and determining, according to the signaling information, whether the sending manner of the control channel changes according to the sending manner of the data channel; receiving the signaling information sent by the second communication node, and determining, according to the signaling information, whether the sending manner of the third type of control channel changes according to the sending manner of the fourth type of control channel; or changing in only one time window the sending manner of the control channel according to the sending manner of the data channel or the sending manner of the fourth type of control channel, and restoring the sending manner of the control channel to an original sending manner outside the time window. ### Claim 73 (depends on 70, 72) The method for determining a sending manner of a control channel according to claim 70 or 72, wherein different types of control channels are distinguished from each other by at least one of the following features: a type of control information carried by the control channel; a number of time-domain symbols occupied by the control channel; a number of frequency-domain resources used by the control channel; a number of sending manners used by the control channel; or a number of sending manner sets used by the control channel. ### Claim 74 A method for determining a receiving manner of a control channel, comprising: receiving, by a second communication node according to the determined receiving manner, the control channel sent by a first communication node; and wherein the determined receiving manner is determined according to a receiving manner used to receive a data channel sent by the first communication node or according to a receiving manner used to receive a fourth type of control channel sent by the first communication node. ### Claim 75 (depends on 74) The method for determining a receiving manner of a control channel according to claim 74, wherein the determined receiving manner is distinguished from another by at least one of the following features: a frequency-domain resource at which a reference signal is located, a time-domain resource at which the reference signal is located, a sequence resource used by the reference signal, a beam resource used by the reference signal, a precoding matrix resource used by the reference signal, a reference signal resource index of the reference signal, or a quasi-co-location relationship between reference signals, wherein the reference signal is sent by the first communication node or the reference signal is received by the first communication node, or the reference signal is sent and received by the first communication node. ### Claim 76 (depends on 74) The method for determining a receiving manner of a control channel according to claim 74, wherein the determined receiving manner satisfies at least one of the following features: determining the receiving manner of the control channel according to the receiving manner of the data channel when a sending time interval between the control channel and the data channel is less than a predetermined threshold; keeping the receiving manner of the control channel unchanged until a new notification signaling is received after changing the receiving manner of the control channel according to the receiving manner of the data channel; determining the receiving manner of the control channel according to the receiving manner of a fourth type of control channel when a sending time interval between the control channel and the fourth type of control channel is less than a predetermined threshold; keeping the receiving manner of the control channel unchanged until a new notification signaling is received after changing the receiving manner of the control channel according to the receiving manner of the fourth type of control channel; changing the receiving manner of the control channel according to the receiving manner of the data channel when the control channel belongs to a first type of control channel; changing the receiving manner of the control channel according to the receiving manner of the data channel when the control channel belongs to a third type of control channel; or not changing the receiving manner of the control channel according to the receiving manner of the data channel when the control channel belongs to a second type of control channel. ### Claim 77 (depends on 74, 76) The method for determining a receiving manner of a control channel according to claim 74 or 76, wherein different types of control channels are distinguished from each other by at least one of the following features: a type of control information carried by the control channel; a number of time-domain symbols occupied by the control channel; a number of frequency-domain resources used by the control channel; a number of sending manners used by the control channel; or a number of sending manner sets used by the control channel. ### Claim 78 (depends on 74) The method for determining a receiving manner of a control channel according to claim 74, further comprising: sending signaling information to the first communication node, wherein the signaling information comprises at least one of the following information: information about whether the receiving manner of the control channel changes according to the receiving manner of the data channel; information about whether the receiving manner of the control channel changes according to the receiving manner of the fourth type of control channel; information about whether the sending manner of the control channel changes according to the sending manner of the data channel; or information about whether the sending manner of the control channel changes according to the sending manner of the fourth type of control channel, wherein the receiving manner of the control channel changes according to the receiving manner of the data channel or the receiving manner of the fourth type of control channel in only one time window, and restores the receiving manner of the control channel to an original receiving manner outside the time window. ### Claim 79 A first determining device for determining a sending manner of a control channel, comprising: a determining unit, which is configured to determine the sending manner of the control channel according to a sending manner of a data channel, or determine a sending manner of a third type of control channel according to a sending manner of a fourth type of control channel; and a sending unit, which is configured to send the control channel to a second communication node according to the determined sending manner, or send the third type of control channel to the second communication node according to the determined sending manner. ### Claim 80 A second determining device for determining a receiving manner of a control channel, comprising: a receiving unit, which is configured to receive, according to the determined receiving manner, the control channel sent by a first communication node, wherein the determined receiving manner is determined according to a receiving manner used to receive a data channel sent by the first communication node or according to a receiving manner used to receive a fourth type of control channel sent by the first communication node. ### Claim 81 (depends on 1) A computer-readable storage medium, which is configured to store computer-executable instructions for executing the method according to any one of claims 1˜58 and 70˜78.