# US 2019/0320428 A1 · Control Channel Resource Indication Method, User Equipment, And Network Device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0320428 A1 - Document ID: US20190320428A1 - Status: Published application - Kind: A1 - Application number: 16/456,935 - Filed: 2019-06-28 - Published: 2019-10-17 - Earliest claimed: 2016-12-30 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Xu ZHANG; Lixia XUE; Bingyu QU; Junchao LI - Web page: https://patentgrep.com/patent/US20190320428A1 ## CPC - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/20: Control channels or signalling for resource management - H04W 72/044: based on the type of the allocated resource - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Embodiments of the present invention provide a control channel resource indication method, user equipment, and a network device. The method includes: sending, by user equipment, a preamble signal sequence; receiving, by the user equipment, higher layer signaling corresponding to the preamble signal sequence, where the higher layer signaling is indicated by downlink control information carried in common search space, and a time-frequency resource detected by the user equipment when determining a control channel includes the common search space and user equipment-dedicated search space; and determining, by the user equipment, frequency domain resource location information of the user equipment-dedicated search space based on the higher layer signaling, where the frequency domain resource location information includes a quantity of frequency domain resource units occupied by the user equipment-dedicated search space in frequency domain and a location of the frequency domain resource unit. ## Claims ### Claim 1 A control channel resource indication method, comprising: receiving higher layer signaling, wherein the higher layer signaling is indicated by downlink control information carried in common search space; and determining frequency domain resource location information of user equipment-dedicated search space based on the higher layer signaling, wherein the frequency domain resource location information comprises a quantity of frequency domain resource units occupied by the user equipment-dedicated search space in frequency domain and a location of the frequency domain resource unit. ### Claim 2 (depends on 1) The method according to claim 1, wherein the common search space is located on a first time-frequency resource, the user equipment-dedicated search space is located on a second time-frequency resource, and the second time-frequency resource partially overlaps with or does not overlap with the first time-frequency resource. ### Claim 3 The method according to 1, wherein the higher layer signaling further comprises at least one of: scrambling code sequence information of a reference signal in the user equipment-dedicated search space, and aggregation level information of the user equipment-dedicated search space. ### Claim 4 (depends on 3) The method according to claim 3, wherein the aggregation level information comprises a value of the aggregation level. ### Claim 5 (depends on 1) The method according to claim 1, wherein a control channel time-frequency resource comprises the common search space and the user equipment-dedicated search space; and when a size of the control channel time-frequency resource is greater than a predefined threshold, a control channel aggregation level set is a first set; or when a size of the control channel time-frequency resource is less than a predefined threshold, a control channel aggregation level set is a second set. ### Claim 6 A control channel resource indication method, comprising: determining higher layer signaling, wherein the higher layer signaling is indicated by downlink control information carried in common search space, the higher layer signaling is used to indicate frequency domain resource location information of user equipment-dedicated search space, and the frequency domain resource location information comprises a quantity of frequency domain resource units occupied by the user equipment-dedicated search space in frequency domain and a location of the frequency domain resource unit; and sending the higher layer signaling. ### Claim 7 (depends on 6) The method according to claim 6, wherein the common search space is located on a first time-frequency resource, the user equipment-dedicated search space is located on a second time-frequency resource, and the second time-frequency resource partially overlaps with or does not overlap with the first time-frequency resource. ### Claim 8 (depends on 6) The method according to claim 6, wherein the higher layer signaling further comprises at least one of: scrambling code sequence information of a reference signal in the user equipment-dedicated search space, and aggregation level information of the user equipment-dedicated search space. ### Claim 9 (depends on 8) The method according to claim 8, wherein the aggregation level information comprises a quantity of elements comprised in a set of an aggregation level of the user equipment-dedicated search space and/or a value of the aggregation level. ### Claim 10 (depends on 6) The method according to claim 6, wherein a control channel time-frequency resource comprises the common search space and the user equipment-dedicated search space; and when a size of the control channel time-frequency resource is greater than a predefined threshold, a control channel aggregation level set is a first set; or when a size of the control channel time-frequency resource is less than a predefined threshold, a control channel aggregation level set is a second set. ### Claim 11 User equipment, comprising: a storage medium including executable instructions; and a processor; wherein the executable instructions, when executed by the processor, cause the user equipment to: receive higher layer signaling, wherein the higher layer signaling is indicated by downlink control information carried in common search space; and determine frequency domain resource location information of user equipment-dedicated search space based on the higher layer signaling, wherein the frequency domain resource location information comprises a quantity of frequency domain resource units occupied by the user equipment-dedicated search space in frequency domain and a location of the frequency domain resource unit. ### Claim 12 (depends on 11) The user equipment according to claim 11, wherein the common search space is located on a first time-frequency resource, the user equipment-dedicated search space is located on a second time-frequency resource, and the second time-frequency resource partially overlaps with or does not overlap with the first time-frequency resource. ### Claim 13 (depends on 11) The user equipment according to claim 11, wherein the higher layer signaling further comprises at least one of: scrambling code sequence information of a reference signal in the user equipment-dedicated search space, and aggregation level information of the user equipment-dedicated search space. ### Claim 14 (depends on 13) The user equipment according to claim 13, wherein the aggregation level information comprises a value of the aggregation level. ### Claim 15 (depends on 11) The user equipment according to claim 11, wherein a control channel time-frequency resource comprises the common search space and the user equipment-dedicated search space; and when a size of the control channel time-frequency resource is greater than a predefined threshold, a control channel aggregation level set is a first set; or when a size of the control channel time-frequency resource is less than a predefined threshold, a control channel aggregation level set is a second set. ### Claim 16 A network device, comprising: a storage medium including executable instructions; and a processor; wherein the executable instructions, when executed by the processor, cause the network device to: determine higher layer signaling, wherein the higher layer signaling is indicated by downlink control information carried in common search space, the higher layer signaling is used to indicate frequency domain resource location information of user equipment-dedicated search space, and the frequency domain resource location information comprises a quantity of frequency domain resource units occupied by the user equipment-dedicated search space in frequency domain and a location of the frequency domain resource unit; and send the higher layer signaling. ### Claim 17 (depends on 16) The network device according to claim 16, wherein the common search space is located on a first time-frequency resource, the user equipment-dedicated search space is located on a second time-frequency resource, and the second time-frequency resource partially overlaps with or does not overlap with the first time-frequency resource. ### Claim 18 (depends on 16) The network device according to claim 16, wherein the higher layer signaling further comprises at least one of: scrambling code sequence information of a reference signal in the user equipment-dedicated search space, and aggregation level information of the user equipment-dedicated search space. ### Claim 19 (depends on 18) The network device according to claim 18, wherein the aggregation level information comprises a value of the aggregation level. ### Claim 20 (depends on 16) The network device according to claim 16, wherein a control channel time-frequency resource comprises the common search space and the user equipment-dedicated search space; and when a size of the control channel time-frequency resource is greater than a predefined threshold, a control channel aggregation level set is a first set; or when a size of the control channel time-frequency resource is less than a predefined threshold, a control channel aggregation level set is a second set.