# US 2020/0404649 A1 · Method and apparatus of determining cap of transmission resources available for control information and communication device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0404649 A1 - Document ID: US20200404649A1 - Status: Published application - Kind: A1 - Application number: 16/960,184 - Filed: 2018-12-25 - Published: 2020-12-24 - Earliest claimed: 2018-01-11 - Assignees: China Academy of Telecommunications Technology - Applicants: China Academy of Telecommunications Technology - Inventors: Qianqian SI; Xuejuan GAO - Web page: https://patentgrep.com/patent/US20200404649A1 ## CPC - H04L 5/003: {Arrangements for allocating sub-channels of the transmission path} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 1/1664: {the supervisory signal being transmitted together with payload signals; piggybacking} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1896: {ARQ related signaling} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 27/2601: {Multicarrier modulation systems} - H04W 72/04: Wireless resource allocation - 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 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided are a method and an apparatus of determining a cap of transmission resources available for control information and a communication device. The method of determining a cap of transmission resources available for control information includes: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a PUSCH. ## Claims ### Claim 1 A method of determining a cap of transmission resources available for control information, comprising: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a physical uplink shared channel (PUSCH). ### Claim 2 (depends on 1) The method according to claim 1, wherein the ratio coefficient is a ratio coefficient configured by a base station by using higher layer signaling. ### Claim 3 (depends on 1) The method according to claim 1, wherein the ratio coefficient is greater than or equal to 0 and is less than or equal to 1. ### Claim 4 (depends on 1) The method according to claim 1, wherein different uplink control information (UCI) types correspond to respective ratio coefficients, and the determining, according to the ratio coefficient, the cap of transmission resources to be occupied by coded modulation symbols of control information on the PUSCH comprises: determining a cap of transmission resources to be occupied by coded modulation symbols of control information of a UCI type on the PUSCH according to a ratio coefficient corresponding to the UCI type. ### Claim 5 (depends on 1) The method according to claim 1, wherein different quantities of uplink control information (UCI) bits correspond to respective ratio coefficients, and the determining, according to the ratio coefficient, the cap of transmission resources to be occupied by coded modulation symbols of control information on the PUSCH comprises: determining a cap of transmission resources to be occupied by coded modulation symbols of control information with a quantity of UCI bits on the PUSCH according to a ratio coefficient corresponding to the quantity of UCI bits. ### Claim 6 (depends on 1) The method according to claim 1, wherein the determining, according to the ratio coefficient, the cap of transmission resources to be occupied by coded modulation symbols of control information on the PUSCH comprises: calculating, when a hybrid automatic repeat request acknowledgement (HARQ-ACK) is mapped onto a PUSCH with or without uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the HARQ-ACK in each transport layer according to the following formula: X = ⌈ ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) × ratio ⌉ , wherein X represents a cap value of the quantity of coded modulation symbols of the HARQ-ACK in each transport layer, ratio represents the ratio coefficient, MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, ΦlUCI is a set of resource units available for transmitting uplink control information (UCI) in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS). ### Claim 7 (depends on 1) The method according to claim 1, wherein the determining, according to the ratio coefficient, the cap of transmission resources to be occupied by coded modulation symbols of control information on the PUSCH comprises: calculating, when a channel state information (CSI) part 1 is mapped onto a PUSCH with uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the CSI part 1 in each transport layer according to the following formula: X = ⌈ ( ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) ) × ratio ⌉ - Q A  C  K ′ , wherein X represents a cap value of the quantity of coded modulation symbols of the CSI part 1 in each transport layer, and ratio represents the ratio coefficient; if an quantity of information bits of a hybrid automatic repeat request acknowledgement (HARQ-ACK) is greater than 2, Q′ACK represents a quantity of coded modulation symbols of transmission of the HARQ-ACK in each transport layer of the PUSCH; if the quantity of information bits of the HARQ-ACK is 1 or 2, Q A  C  K ′ = ∑ l = 0 N symb , all PUSCH - 1  M _ s  c , r  v  d Φ ¯  ( l ) , wherein Φlrvd is a set of reserved resource units available for transmitting the HARQ-ACK in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Msc,rvdΦ(l)=|Φlrvd| represents a quantity of elements in Φlrvd; and MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, wherein ΦlUCI is a set of resource units available for transmitting uplink control information (UCI) in an OFDM symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1 and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS). ### Claim 8 (depends on 1) The method according to claim 1, wherein the determining, according to the ratio coefficient, the cap of transmission resources to be occupied by coded modulation symbols of control information on the PUSCH comprises: calculating, when a channel state information (CSI) part 2 is mapped onto a PUSCH with uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the CSI part 2 in each transport layer according to the following formula: X = ( ⌈ ( ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) ) × ratio ⌉ - Q A  C  K ′ - Q CSI , 1 ′ ) , wherein X represents a cap value of the quantity of coded modulation symbols of the CSI part 2 in each transport layer, and ratio represents the ratio coefficient; if an quantity of information bits of a hybrid automatic repeat request acknowledgement (HARQ-ACK) is greater than 2, Q′ACK represents a quantity of coded modulation symbols of transmission of the HARQ-ACK in each transport layer of the PUSCH; if the quantity of information bits of the HARQ-ACK is 1 or 2, Q′ACK=0; Q′CSI,1 represents a quantity of coded modulation symbols of transmission of a CSI part 1 in each transport layer of the PUSCH; and MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, wherein ΦlUCI is a set of resource units available for transmitting uplink control information (UCI) in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS). ### Claim 9 (depends on 6) The method according to claim 6, wherein Nsymb,allPUSCH is a maximum quantity Nsymb,maxUCI of OFDM symbols used for transmitting the HARQ-ACK in the PUSCH, and Nsymb,maxUCI is a value predefined in a protocol or configured by a base station by using higher layer signaling and is less than or equal to Nsymb,allPUSCH. ### Claim at position 10 10-20. (canceled) ### Claim 21 (depends on 7) The method according to claim 7, wherein Nsymb,allPUSCH is a maximum quantity Nsymb,maxUCI of OFDM symbols used for transmitting the HARQ-ACK in the PUSCH, and Nsymb,maxUCI is a value predefined in a protocol or configured by a base station by using higher layer signaling and is less than or equal to Nsymb,allPUSCH. ### Claim 22 (depends on 8) The method according to claim 8, wherein Nsymb,allPUSCH is a maximum quantity Nsymb,maxUCI of OFDM symbols used for transmitting the HARQ-ACK in the PUSCH, and Nsymb,maxUCI is a value predefined in a protocol or configured by a base station by using higher layer signaling and is less than or equal to Nsymb,allPUSCH. ### Claim 23 A communication device, comprising: a storage, a processor, and a program stored in the storage and configured to be executed by the processor, wherein the processor is configured to execute the program to implement the following step: determining, according to a ratio coefficient, a cap of transmission resources to be occupied by coded modulation symbols of control information on a physical uplink shared channel (PUSCH). ### Claim 24 (depends on 23) The communication device according to claim 23, wherein the ratio coefficient is a ratio coefficient configured by a base station by using higher layer signaling. ### Claim 25 (depends on 23) The communication device according to claim 23, wherein the ratio coefficient is greater than or equal to 0 and is less than or equal to 1. ### Claim 26 (depends on 23) The communication device according to claim 23, wherein different uplink control information (UCI) types correspond to respective ratio coefficients, and the processor is specifically configured to execute the program to implement the following step: determining a cap of transmission resources to be occupied by coded modulation symbols of control information of a UCI type on the PUSCH according to a ratio coefficient corresponding to the UCI type. ### Claim 27 (depends on 23) The communication device according to claim 23, wherein different quantities of uplink control information (UCI) bits correspond to respective ratio coefficients, and the processor is specifically configured to execute the program to implement the following step: determining a cap of transmission resources to be occupied by coded modulation symbols of control information with a quantity of UCI bits on the PUSCH according to a ratio coefficient corresponding to the quantity of UCI bits. ### Claim 28 (depends on 23) The communication device according to claim 23, wherein the processor is specifically configured to execute the program to implement the following step: calculating, when a hybrid automatic repeat request acknowledgement (HARQ-ACK) is mapped onto a PUSCH with or without uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the HARQ-ACK in each transport layer according to the following formula: X = ⌈ ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) × ratio ⌉ , wherein X represents a cap value of the quantity of coded modulation symbols of the HARQ-ACK in each transport layer, ratio represents the ratio coefficient, MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, ΦlUCI is a set of resource units available for transmitting UCI in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS); or, the processor is specifically configured to execute the program to implement the following step: calculating, when a channel state information (CSI) part 1 is mapped onto a PUSCH with uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the CSI part 1 in each transport layer according to the following formula: X = ⌈ ( ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) ) × ratio ⌉ - Q A  C  K ′ , wherein represents a cap value of the quantity of coded modulation symbols of the CSI part 1 in each transport layer, and ratio represents the ratio coefficient; if an quantity of information bits of a hybrid automatic repeat request acknowledgement (HARQ-ACK) is greater than 2, Q′ACK represents a quantity of coded modulation symbols of transmission of the HARQ-ACK in each transport layer of the PUSCH; if the quantity of information bits of the HARQ-ACK is 1 or 2, Q A  C  K ′ = ∑ l = 0 N symb , all PUSCH - 1  M _ s  c , r  v  d Φ ¯  ( l ) , wherein Φlrvd is a set of reserved resource units available for transmitting the HARQ-ACK in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Msc,rvdΦ(l)=|Φlrvd| represents a quantity of elements in ΦlUCI; and MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, wherein ΦlUCI is a set of resource units available for transmitting UCI in an OFDM symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS); or, the processor is specifically configured to execute the program to implement the following step: calculating, when a channel state information (CSI) part 2 is mapped onto a PUSCH with uplink-shared channel (UL-SCH) data, a cap of a quantity of coded modulation symbols of the CSI part 2 in each transport layer according to the following formula: X = ( ⌈ ( ∑ l = 0 N symb , all PUSCH - 1  M sc Φ UCI  ( l ) ) × ratio ⌉ - Q A  C  K ′ - Q CSI , 1 ′ ) , wherein X represents a cap value of the quantity of coded modulation symbols of the CSI part 2 in each transport layer, and ratio represents the ratio coefficient; if an quantity of information bits of a hybrid automatic repeat request acknowledgement (HARQ-ACK) is greater than 2, Q′ACK represents a quantity of coded modulation symbols of transmission of the HARQ-ACK in each transport layer of the PUSCH; if the quantity of information bits of the HARQ-ACK is 1 or 2, Q′ACK=0; Q′CSI,1 represents a quantity of coded modulation symbols of transmission of a CSI part 1 in each transport layer of the PUSCH; and MscΦUCI(l)=|ΦlUCI| represents a quantity of elements in a set ΦlUCI, wherein ΦlUCI is a set of resource units available for transmitting UCI in an orthogonal frequency-division multiplexing (OFDM) symbol l, l=0, 1, 2, . . . , Nsymb,allPUSCH−1, and Nsymb,allPUSCH is a quantity of all OFDM symbols comprised in the PUSCH and comprises a quantity of all symbols occupied by a demodulation reference signal (DMRS). ### Claim 29 (depends on 28) The communication device according to claim 28, wherein Nsymb,allPUSCH is a maximum quantity Nsymb,maxUCI of OFDM symbols used for transmitting the HARQ-ACK on the PUSCH, and Nsymb,maxUCI is a value predefined in a protocol or configured by a base station by using higher layer signaling and is less than or equal to Nsymb,allPUSCH. ### Claim 30 (depends on 1) A computer-readable storage medium storing therein a computer program, wherein the program is configured to be executed by a processor, to implement the steps in the method of determining a cap of transmission resources available for control information according to claim 1.