# US 12,004,188 B2 · Resource allocation method, identification method, radio communication system, base station, mobile station, and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,004,188 B2 - Document ID: US12004188B2 - Status: Granted - Kind: B2 - Application number: 17/828,098 - Filed: 2022-05-31 - Published: 2022-09-15 - Granted: 2024-06-04 - Earliest claimed: 2008-06-20 - Assignees: NEC Corporation - Applicants: NEC Corporation - Inventors: Kenji Koyanagi; Takamichi Inoue; Le Liu; Yoshikazu Kakura - Web page: https://patentgrep.com/patent/US12004188B2 ## CPC - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/0029: {Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling (power control H04W52/04)} - H04L 5/0039: {Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another} - H04L 5/0041: {Frequency-non-contiguous} - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/006: {Quality of the received signal, e.g. BER, SNR, water filling} - H04L 5/0064: {Rate requirement of the data, e.g. scalable bandwidth, data priority} - H04L 5/0092: {Indication of how the channel is divided} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - 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 To solve a problem that although the increase of the number of frequency blocks by allocating discontinuous subcarriers (RBs) as in OFDM enables an increase in multi-diversity effect and an improvement in throughput, the number of RB allocation patterns increases with the increase of the number of frequency blocks, resulting in an increase in the amount of information relating to the allocated RBs, the resource block allocation unit is determined when resource blocks discontinuous on the frequency axis are allocated to a terminal, and the number of bits of scheduling information indicating the allocated resource blocks by using Tree Based is set to the number of bits corresponding to the determined allocation unit. ## Claims ### Claim 1 A method of a base station, the method comprising: transmitting, to a user equipment, a first downlink control signal including first information and first resource allocation information in a case where a plurality of resource block sets are allocated to the user equipment, wherein the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein the first resource allocation information indicates the plurality of resource block sets, and wherein each one of the plurality of resource block sets includes one or more consecutive resource blocks; and receiving, from the user equipment, first uplink data using the plurality of resource block sets in a case where the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein each of the plurality of resource block sets is located on a frequency axis separately in a case of allocating of the plurality of resource block sets. ### Claim 2 (depends on 1) The method according to claim 1, the method further comprising: transmitting, to the user equipment, a second downlink control signal including second information and second resource allocation information in a case where a resource block set of one or more contiguously allocated resource blocks is allocated to the user equipment, wherein the second information indicates that the resource block set is allocated to the user equipment, and wherein the second resource allocation information indicates the resource block set; and receiving, from the user equipment, second uplink data using the resource block set in a case where the second information indicates that the resource block set is allocated to the user equipment, wherein a first allocation unit of each one of the plurality of resource block sets is two or more resource blocks, and wherein a second allocation unit of the resource block set is smaller than the first allocation unit. ### Claim 3 (depends on 2) The method according to claim 2, wherein the second allocation unit is one resource block. ### Claim 4 (depends on 1) The method according to claim 1, wherein a number of resource blocks included in a first set of the plurality of resource block sets is equal to a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 5 (depends on 1) The method according to claim 1, wherein a number of resource blocks included in a first set of the plurality of resource block sets is different from a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 6 (depends on 1) The method according to claim 1, wherein the first allocation unit corresponds to system bandwidth. ### Claim 7 (depends on 1) The method according to claim 1, wherein the first information is related to a first uplink resource allocation type, and wherein the first uplink resource allocation type is for allocating the plurality of resource block sets. ### Claim 8 (depends on 2) The method according to claim 2, wherein the second information is related to a second uplink resource allocation type, and wherein the second uplink resource allocation type is for allocating the resource block set. ### Claim 9 A base station comprising: a transmitter configured to transmit, to a user equipment, a first downlink control signal including first information and first resource allocation information in a case where a plurality of resource block sets are allocated to the user equipment, wherein the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein the first resource allocation information indicates the plurality of resource block sets, and wherein each one of the plurality of resource block sets includes one or more consecutive resource blocks; and a receiver configured to receive, from the user equipment, first uplink data using the plurality of resource block sets in a case where the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein each of the plurality of resource block sets is located on a frequency axis separately in a case of allocating of the plurality of resource block sets. ### Claim 10 (depends on 9) The base station according to claim 9, wherein the transmitter is configured to transmit, to the user equipment, a second downlink control signal including second information and second resource allocation information in a case where a resource block set of one or more contiguously allocated resource blocks is allocated to the user equipment, wherein the second information indicates that the resource block set is allocated to the user equipment, and wherein the second resource allocation information indicates the resource block set, wherein the receiver is configured to receive, from the user equipment, second uplink data using the resource block set in a case where the second information indicates that the resource block set is allocated to the user equipment, wherein a first allocation unit of each one of the plurality of resource block sets is two or more resource blocks, and wherein a second allocation unit of the resource block set is smaller than the first allocation unit. ### Claim 11 (depends on 10) The base station according to claim 10, wherein the second allocation unit is one resource block. ### Claim 12 (depends on 9) The base station according to claim 9, wherein a number of resource blocks included in a first set of the plurality of resource block sets is equal to a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 13 (depends on 9) The base station according to claim 9, wherein a number of resource blocks included in a first set of the plurality of resource block sets is different from a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 14 (depends on 9) The base station according to claim 9, wherein the first allocation unit corresponds to system bandwidth. ### Claim 15 (depends on 9) The base station according to claim 9, wherein the first information is related to a first uplink resource allocation type, and wherein the first uplink resource allocation type is for allocating the plurality of resource block sets. ### Claim 16 (depends on 10) The base station according to claim 10, wherein the second information is related to a second uplink resource allocation type, and wherein the second uplink resource allocation type is for allocating the resource block set. ### Claim 17 A method of a user equipment, the method comprising: receiving, from a base station, a first downlink control signal including first information and first resource allocation information in a case where a plurality of resource block sets are allocated to the user equipment, wherein the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein the first resource allocation information indicates the plurality of resource block sets, and wherein each one of the plurality of resource block sets includes one or more consecutive resource blocks; and transmitting, to the base station, first uplink data using the plurality of resource block sets in a case where the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein each of the plurality of resource block sets is located on a frequency axis separately in a case of allocating of the plurality of resource block sets. ### Claim 18 (depends on 17) The method according to claim 17, the method further comprising: receiving, from the base station, a second downlink control signal including second information and second resource allocation information in a case where a resource block set of one or more contiguously allocated resource blocks is allocated to the user equipment, wherein the second information indicates that the resource block set is allocated to the user equipment, and wherein the second resource allocation information indicates the resource block set; and transmitting, to the base station, second uplink data using the resource block set in a case where the second information indicates that the resource block set is allocated to the user equipment, wherein a first allocation unit of each one of the plurality of resource block sets is two or more resource blocks, and wherein a second allocation unit of the resource block set is smaller than the first allocation unit. ### Claim 19 (depends on 18) The method according to claim 18, wherein the second allocation unit is one resource block. ### Claim 20 (depends on 17) The method according to claim 17, wherein a number of resource blocks included in a first set of the plurality of resource block sets is equal to a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 21 (depends on 17) The method according to claim 17, wherein a number of resource blocks included in a first set of the plurality of resource block sets is different from a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 22 (depends on 17) The method according to claim 17, wherein the first allocation unit corresponds to system bandwidth. ### Claim 23 (depends on 17) The method according to claim 17, wherein the first information is related to a first uplink resource allocation type, and wherein the first uplink resource allocation type is for allocating the plurality of resource block sets. ### Claim 24 (depends on 18) The method according to claim 18, wherein the second information is related to a second uplink resource allocation type, and wherein the second uplink resource allocation type is for allocating the resource block set. ### Claim 25 A user equipment comprising: a receiver configured to receive, from a base station, a first downlink control signal including first information and first resource allocation information in a case where a plurality of resource block sets are allocated to the user equipment, wherein the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein the first resource allocation information indicates the plurality of resource block sets, and wherein each one of the plurality of resource block sets including one or more consecutive resource blocks; and a transmitter configured to transmit, to the base station, first uplink data using the plurality of resource block sets in a case where the first information indicates that the plurality of resource block sets are allocated to the user equipment, wherein each of the plurality of resource block sets is located on a frequency axis separately in a case of allocating of the plurality of resource block sets. ### Claim 26 (depends on 25) The user equipment according to claim 25, wherein the receiver is configured to receive, from the base station, a second downlink control signal including second information and second resource allocation information in a case where a resource block set of one or more contiguously allocated resource blocks is allocated to the user equipment, wherein the second information indicates that the resource block set is allocated to the user equipment, and wherein the second resource allocation information indicates the resource block set, wherein the transmitter is configured to transmit, to the base station, second uplink data using the resource block set in a case where the second information indicates that the resource block set is allocated to the user equipment, wherein a first allocation unit of each one of the plurality of resource block sets is two or more resource blocks, and wherein a second allocation unit of the resource block set is smaller than the first allocation unit. ### Claim 27 (depends on 26) The user equipment according to claim 26, wherein the second allocation unit is one resource block. ### Claim 28 (depends on 25) The user equipment according to claim 25, wherein a number of resource blocks included in a first set of the plurality of resource block sets is equal to a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 29 (depends on 25) The user equipment according to claim 25, wherein a number of resource blocks included in a first set of the plurality of resource block sets is different from a number of resource blocks included in a second set of the plurality of resource block sets. ### Claim 30 (depends on 25) The user equipment according to claim 25, wherein the first allocation unit corresponds to system bandwidth. ### Claim 31 (depends on 25) The user equipment according to claim 25, wherein the first information is related to a first uplink resource allocation type, and wherein the first uplink resource allocation type is for allocating the plurality of resource block sets. ### Claim 32 (depends on 26) The user equipment according to claim 26, wherein the second information is related to a second uplink resource allocation type, and wherein the second uplink resource allocation type is for allocating the resource block set.