Transmitting apparatus, receiving apparatus and methods thereof
View Patent ↗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.
1. A communication apparatus, comprising:
circuitry, which, in operation, generates a signal including first reference signals used for a physical sidelink control channel (PSCCH) and second reference signals used for a physical sidelink shared channel (PSSCH); and
a transmitter, which, in operation, transmits the signal within a slot,
wherein the first reference signals are mapped to a first resource, and the second reference signals used for demodulation 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.
2. The communication apparatus according to claim 1 , wherein a sequence of the first reference signals is different from that of the second reference signals.
3. The communication apparatus 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.
4. The communication apparatus according to claim 1 , wherein a symbol length used for the PSSCH is longer than that for the PSCCH.
5. The communication apparatus according to claim 1 , wherein one or more repetition signals are transmitted in a symbol preceding the PSCCH and the PSSCH.
6. The communication apparatus according to claim 1 , wherein a preamble is transmitted in a symbol preceding the PSCCH and the PSSCH, a duration of the preamble being equal to that of one symbol of the PSCCH and the PSSCH.
7. The communication apparatus according to claim 1 , wherein a number of antenna ports is different between the PSSCH and the PSCCH.
8. A communication method, comprising:
generating a signal including first reference signals used for a physical sidelink control channel (PSCCH) and second reference signals used for a physical sidelink shared channel (PSSCH); and
transmitting the signal within a slot,
wherein the first reference signals are mapped to a first resource, and the second reference signals used for demodulation 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.
9. The communication method according to claim 8 , wherein a sequence of the first reference signals is different from that of the second reference signals.
10. The communication method according to claim 8 , 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.
11. The communication method according to claim 8 , wherein a symbol length used for the PSSCH is longer than that for the PSCCH.
12. The communication method according to claim 8 , wherein one or more repetition signals are transmitted in a symbol preceding the PSCCH and the PSSCH.
13. The communication method according to claim 8 , wherein a preamble is transmitted in a symbol preceding the PSCCH and the PSSCH, a duration of the preamble being equal to that of one symbol of the PSCCH and the PSSCH.
14. The communication method according to claim 8 , wherein a number of antenna ports is different between the PSSCH and the PSCCH.
15. The communication method according to claim 8 , wherein at least a part of the first resource is frequency division multiplexed with the second resource.
16. The communication apparatus according to claim 1 , wherein at least a part of the first resource is frequency division multiplexed with the second resource.