# US 10,772,080 B2 · Wireless communication device, wireless communication method, and program > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,772,080 B2 - Document ID: US10772080B2 - Status: Granted - Kind: B2 - Application number: 16/233,160 - Filed: 2018-12-27 - Published: 2019-05-02 - Granted: 2020-09-08 - Earliest claimed: 2018-12-27 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: Ryota Kimura; Hiromasa Uchiyama; Sho Furuichi; Ryo Sawai - Web page: https://patentgrep.com/patent/US10772080B2 ## CPC - H04W 72/04: Wireless resource allocation - H03M 13/27: using interleaving techniques - H03M 13/3769: {using symbol combining, e.g. Chase combining of symbols received twice or more} - H03M 13/6306: {Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy (H03M13/3761, H03M13/3769 and H03M13/635 take precedence)} - H04J 11/00: Orthogonal multiplex systems, {e.g. using WALSH codes}(H04J13/00 takes precedence) - H04J 11/005: {of intercell interference} - H04L 1/0041: {Arrangements at the transmitter end} - H04L 1/005: {Iterative decoding, including iteration between signal detection and decoding operation} - H04L 1/0071: {Use of interleaving (interleaving per se H03M13/27)} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 1/1819: {with retransmission of additional or different redundancy} - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H03M 13/09: Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit - H03M 13/1102: {Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes} - H03M 13/1111: {Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms} - H03M 13/17: Burst error correction, e.g. error trapping, Fire codes - H03M 13/23: using convolutional codes, e.g. unit memory codes - H03M 13/2957: {Turbo codes and decoding} - H03M 13/41: using the Viterbi algorithm or Viterbi processors - H03M 13/6362: {by puncturing} - H04L 1/0061: {Error detection codes} - H04L 1/0067: {Rate matching (H04L1/0013 and H04L1/08 take precedence)} - H04L 5/0023: {Time-frequency-space} - H04L 5/0032: {Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation} - H04L 5/0073: {Allocation arrangements that take into account other cell interferences} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H03M: CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means F15C4/00; optical analogue/digital converters G02F7/00; coding, decoding or code conversion, specially adapted for particular applications, see the relevant subclasses, e.g. G01D, G01R, G06F, G06T, G09G, G10L, G11B, G11C, H04B, H04L, H04M, H04N; ciphering or deciphering for cryptography or other purposes involving the need for secrecy G09C) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A wireless communication device, a wireless communication method, and a program capable of contributing to improvement of wireless communication technology related to IDMA. The wireless communication device includes: a wireless communication unit that performs wireless communication using interleave division multiple access (IDMA) with another wireless communication device; and a controller that controls an interleave length in an interleave process for IDMA by the wireless communication unit. ## Claims ### Claim 1 A wireless communication device comprising: circuitry configured to perform wireless communication using an interleave process with another wireless communication device; and (i) determine a quantity of radio resources available for transmission by the wireless communication device, (ii) determine a modulation scheme used for the wireless communication performed by the wireless communication device, and (iii) control, in accordance with the determined quantity of radio resources and determined modulation scheme, an interleave length in the interleave process performed by the wireless communication device. ### Claim 2 (depends on 1) The wireless communication device according to claim 1, wherein the circuitry is configured to control whether to perform wireless communication using the interleave process depending on whether a transmission sequence is a retransmitted sequence or not. ### Claim 3 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is configured to perform wireless communication using the interleave process when the transmission sequence is a retransmitted sequence. ### Claim 4 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is configured to set the interleave length depending on a retransmission process type. ### Claim 5 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is configured to set an interleave pattern in the interleave process. ### Claim 6 (depends on 5) The wireless communication device according to claim 5, wherein the circuitry is configured to set the interleave pattern depending on the number of retransmissions. ### Claim 7 (depends on 5) The wireless communication device according to claim 5, wherein the circuitry is configured to control the interleave pattern depending on a retransmission process type. ### Claim 8 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is configured to control whether to perform wireless communication using the interleave process depending on the number of wireless communication devices that are retransmission targets. ### Claim 9 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is configured to employ chase combining (CC) as a retransmission process type. ### Claim 10 (depends on 2) The wireless communication device according to claim 2, wherein the circuitry is further configured to determine a retransmission process type and controls the interleave length in accordance with the determined retransmission process type. ### Claim 11 (depends on 1) The wireless communication device according to claim 1, wherein the interleave process is for interleave division multiple access (IDMA) with the another wireless communication device. ### Claim 12 (depends on 1) The wireless communication device according to claim 1, wherein the circuitry is configured to perform padding when a length of an input sequence to the interleave process does not reach the interleave length. ### Claim 13 (depends on 12) The wireless communication device according to claim 12, wherein the circuitry configured to perform padding on the input sequence to the interleave process. ### Claim 14 (depends on 12) The wireless communication device according to claim 12, wherein the circuitry configured to perform padding on an output sequence of the interleave process. ### Claim 15 (depends on 1) The wireless communication device according to claim 1, wherein the circuitry configured to perform the interleave process with a sequence (codeword) obtained by connecting one or more error correction code sequences (code blocks) as a target. ### Claim 16 A wireless communication device comprising: circuitry configured to perform wireless communication using an interleave process with another wireless communication device; and control a deinterleave process depending on an interleave length used for the interleave process performed by the another wireless communication device, wherein the interleave length is controlled in accordance with a determined quantity of radio resources available for transmission by the another wireless communication device and a determined modulation scheme used for the transmission by the another wireless communication device. ### Claim 17 A wireless communication method comprising: performing, wireless communication using an interleave process with another wireless communication device; determining, a quantity of radio resources available for performing the wireless communication; determining, a modulation scheme used for the wireless communication performed; and controlling, an interleave length in the interleave process. ### Claim 18 (depends on 17) The wireless communication method according to claim 17, further comprising: controlling wireless communication using the interleave process to be performed when a transmission sequence is a retransmitted sequence.