# US 10,484,996 B2 · Device and method for transmitting and receiving control information in wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,484,996 B2 - Document ID: US10484996B2 - Status: Granted - Kind: B2 - Application number: 15/579,722 - Filed: 2016-06-01 - Published: 2018-06-28 - Granted: 2019-11-19 - Earliest claimed: 2015-06-05 - Assignees: Samsung Electronics Co., Ltd.; Korea Advanced Institute of Science and Technology - Applicants: Samsung Electronics Co., Ltd.; Korea Advanced Institute of Science and Technology - Inventors: Sunheui Ryoo; Nam-I Kim; Sung-Jin Park; Dong-Ho Cho - Web page: https://patentgrep.com/patent/US10484996B2 ## CPC - H04W 72/0473: {the resource being transmission power} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 52/346: {distributing total power among users or channels} - H04W 72/542: using measured or perceived quality - H04W 88/08: Access point devices - H04W 72/20: Control channels or signalling for resource management - H04W 88/02: Terminal devices - 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 The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A base station operation method in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: determining, on the basis of channel information received from each of a plurality of terminals, power to be used by each of the plurality of terminals with respect to resources allocated to be overlaid and used by the plurality of terminals; and transmitting resource information, which comprises information about the determined power, to each of the plurality of terminals. ## Claims ### Claim 1 A method for operating a first terminal in a wireless communication system, the method comprising: receiving, from a base station, control information of a resource block group for indicating a power ratio allocated to the resource block group; identifying, based on the control information, a first power ratio allocated to a first terminal associated with a resource block in the resource block group and a second power ratio allocated to a second terminal associated with the resource block, wherein the identifying the first power ratio comprises: identifying a power ratio allocated to at least one resource block allocated to the first terminal, and identifying the first power ratio allocated to the first terminal among the power ratio allocated to the at least one resource block; receiving, from the base station, signals on the resource block, the signals including a first downlink signal for the first terminal and a second downlink signal for the second terminal; and detecting, based on the first power ratio and the second power ratio, the first downlink signal among the signals. ### Claim 2 (depends on 1) The method of claim 1, further comprising: identifying a start point of the at least one resource block allocated to the first terminal; and identifying a number of the at least one resource block allocated to the first terminal, wherein the control information comprises information on the start point of the at least one resource block and the number of the at least one resource block. ### Claim 3 (depends on 1) The method of claim 1, further comprising: detecting the first downlink signal based on information on an allocation pattern of the at least one resource block allocated to the first terminal, wherein the control information comprises the information on the allocation pattern of the at least one resource block allocated to the first terminal. ### Claim 4 (depends on 1) The method of claim 1, further comprising: identifying an order of signals in the control information; and detecting the first downlink signal according to the order of the signals, and wherein the control information comprises information of the order of the signals. ### Claim 5 (depends on 1) The method of claim 1, wherein the control information of the resource block group comprises a power ratio per terminal. ### Claim 6 (depends on 1) The method of claim 1, wherein a number of resource blocks in the resource block group is determined by the base station, based on a coherence bandwidth for a channel. ### Claim 7 An apparatus for a base station in a wireless communication system, the apparatus comprising: a transceiver; and at least one processor operatively coupled with the transceiver, wherein the at least one processor is configured to: determine powers for each of a plurality of terminals with respect to a resource block group based on channel information received from the each of the plurality of terminals, the resource block group comprising a resource block allocated to be shared by the plurality of terminals, determine an order of signals corresponding to the plurality of terminals based on a size of a power that is allocated to the resource block allocated to the plurality of terminals, generate control information of the resource block group for indicating a power ratio allocated to the resource block group, dispose the control information into a control channel based on the determined order, and transmit the control information to the each of the plurality of terminals wherein the control information comprises information on the order of the signals. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein the at least one processor is further configured to: determine a coherence bandwidth value of a channel for the each of the plurality of terminals, determine a number of resource blocks in the resource block group based on the coherence bandwidth, and generate the resource block group based on the determined number of resource blocks. ### Claim 9 (depends on 7) The apparatus of claim 7, wherein the at least one processor is further configured to: determine a terminal having a channel state equal to or greater than a predefined threshold state among the plurality of terminals based on the channel information received from the each of the plurality of terminals, and allocate a resource block such that an end point of the resource block allocated to the terminal is matched with an end point of a resource block allocated to at least one other terminal, and wherein the control information comprises information on a start point of the resource block allocated to the terminal and a number of the resource block. ### Claim 10 (depends on 7) The apparatus of claim 7, wherein the at least one processor is further configured to: determine an allocation pattern of at least one resource for allocation to the each of the plurality of terminals, and generate information on the allocation pattern of the at least one resource, and wherein the control information comprises the information on the allocation pattern of the at least one resource. ### Claim 11 (depends on 7) The apparatus of claim 7, wherein the at least one processor is further configured to: group the plurality of terminals into at least one group, determine a power allocation for the at least one group, and determine a power allocation for a resource allocated to the at least one group, and wherein the control information comprises information on the power allocation for the at least one group and information on the power allocation for the resource. ### Claim 12 An apparatus for a first terminal in a wireless communication system, the apparatus comprising: a transceiver; and at least one processor operatively coupled with the transceiver, wherein the at least one processor is configured control to: receive, from a base station, control information of a resource block group for indicating a power ratio allocated to the resource block group, identify, based on the control information, a first power ratio allocated to a first terminal associated with a resource block in the resource block group and a second power ratio allocated to a second terminal associated with the resource block, wherein, in order to identify the first power ratio, the at least one processor is configured to: identify a power ratio allocated to at least one resource block allocated to the first terminal, and identify the first power ratio allocated to the first terminal among the power ratio allocated to the at least one resource block, receive, from the base station, signals on the resource block, the signals including a first downlink signal for the first terminal and a second downlink signal for the second terminal, and detect, based on the first power ratio and the second power ratio, the first downlink signal among the signals. ### Claim 13 (depends on 12) The apparatus of claim 12, wherein the at least one processor is further configured to: identify a start point of the at least one resource block allocated to the first terminal, and identify a number of the at least one resource block allocated to the first terminal, and wherein the control information comprises information on the start point of the at least one resource block and the number of the at least one resource block. ### Claim 14 (depends on 12) The apparatus of claim 12, wherein the at least one processor is further configured to: identify an order of signals in the control information, and detect the first downlink signal according to the order of the signals, wherein the control information comprises information of the order of the signal. ### Claim 15 (depends on 12) The apparatus of claim 12, wherein the control information of the resource block group comprises a power ratio per terminal. ### Claim 16 (depends on 12) The apparatus of claim 12, wherein a number of resource blocks in the resource block group is determined by the base station, based on a coherence bandwidth for a channel.