# US 12,224,959 B2 · Transmitting apparatus, receiving apparatus and methods thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,959 B2 - Document ID: US12224959B2 - Status: Granted - Kind: B2 - Application number: 18/430,257 - Filed: 2024-02-01 - Published: 2024-05-23 - Granted: 2025-02-11 - Earliest claimed: 2023-03-01 - Assignees: Panasonic Intellectual Property Corporation of America - Applicants: Panasonic Intellectual Property Corporation of America - Inventors: Lilei Wang; Hidetoshi Suzuki - Web page: https://patentgrep.com/patent/US12224959B2 ## CPC - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - 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 transmitting apparatus, a receiving apparatus and methods thereof. The transmitting apparatus includes: circuitry, which, in operation, generates a signal including a first type of reference signal used for demodulation and a second type of reference signal used for demodulation; and a transmitter, which, in operation, transmits the signal, wherein the first type of reference signal used for demodulation is mapped to a first resource, and the second type of reference signal used for demodulation is mapped to a second resource, the first type of reference signal used for demodulation is used for a first physical control channel and the second type of reference signal used for demodulation is used for a second physical control channel; or the first type of reference signal used for demodulation is used for PSCCH and the second type of reference signal used for demodulation is used for PSSCH. ## Claims ### Claim 1 An integrated circuit, comprising: reception circuitry, which, in operation, controls receiving first reference signals used for a physical sidelink control channel (PSCCH) and second reference signals used for a physical sidelink shared channel (PSSCH); and demodulation circuitry, which, in operation, controls a demodulating process based on the first and second reference signals within a slot, wherein the first reference signals are mapped to a first resource, and the second reference signals are mapped to a second resource which is different from the first resource, wherein a first time interval between the first reference signals is shorter than a second time interval between the second reference signals. ### Claim 2 (depends on 1) The integrated circuit according to claim 1, wherein a sequence of the first reference signals is different from that of the second reference signals. ### Claim 3 (depends on 1) The integrated circuit according to claim 1, wherein a mapping of the PSCCH and a mapping of the PSSCH start from a same symbol, and the mapping of the PSCCH and the mapping of the PSSCH end at different symbols. ### Claim 4 (depends on 1) The integrated circuit according to claim 1, wherein a symbol length used for the PSSCH is longer than that for the PSCCH. ### Claim 5 (depends on 1) The integrated circuit according to claim 1, wherein one or more repetition signals are transmitted in a symbol preceding the PSCCH and the PSSCH. ### Claim 6 (depends on 1) The integrated circuit according to claim 1, wherein a preamble is transmitted in one symbol preceding the PSCCH and the PSSCH. ### Claim 7 (depends on 1) The integrated circuit according to claim 1, wherein a number of antenna ports is different between the PSSCH and the PSCCH. ### Claim 8 (depends on 1) The integrated circuit according to claim 1, wherein the PSSCH and the PSCCH are multiplexed in a frequency domain. ### Claim 9 (depends on 1) The integrated circuit according to claim 1, wherein a starting symbol of the first reference signals used for the PSCCH is earlier than a starting symbol of the second reference signals used for the PSSCH. ### Claim 10 A communication apparatus, comprising: a receiver, which, in operation, receives first reference signals used for a physical sidelink control channel (PSCCH) and second reference signals used for a physical sidelink shared channel (PSSCH); and circuitry, which, in operation, performs a demodulation process based on the first and second reference signals within a slot, wherein the first reference signals are mapped to a first resource, and the second reference signals are mapped to a second resource which is different from the first resource, wherein a first time interval between the first reference signals is shorter than a second time interval between the second reference signals, wherein the PSSCH and the PSCCH are multiplexed in a frequency domain, and wherein a preamble is transmitted in one symbol preceding the PSCCH and the PSSCH. ### Claim 11 (depends on 10) The communication apparatus according to claim 10, wherein a starting symbol of the first reference signals used for the PSCCH is earlier than a starting symbol of the second reference signals used for the PSSCH. ### Claim 12 A communication method, comprising: receiving first reference signals used for a physical sidelink control channel (PSCCH) and second reference signals used for a physical sidelink shared channel (PSSCH); and performing a demodulation process based on the first and second reference signals within a slot, wherein the first reference signals are mapped to a first resource, and the second reference signals are mapped to a second resource which is different from the first resource, wherein a first time interval between the first reference signals is shorter than a second time interval between the second reference signals, wherein the PSSCH and the PSCCH are multiplexed in a frequency domain, and wherein a preamble is transmitted in one symbol preceding the PSCCH and the PSSCH. ### Claim 13 (depends on 12) The communication method according to claim 12, wherein a starting symbol of the first reference signals used for the PSCCH is earlier than a starting symbol of the second reference signals used for the PSSCH.