Method and device in nodes used for wireless communication
View Patent ↗A method and device in a node for wireless communications. A first node firstly transmits a target signaling; and then transmits a first signaling and a second signaling; and transmits a first signal in a first radio resource set; the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the type of multicarrier symbols comprised in the first radio resource pool is a first type; there is at least one of multicarrier symbols comprised in the second radio resource pool that is of a type other than the first type; the present disclosure, by transmitting a first signal on resources other than cellular link uplink resources, manages to enhance the chance of feedback information transmission in sidelink, thereby improving the spectrum of the sidelink transmission.
1. A first node for wireless communications, comprising:
a first transceiver, transmitting a target signaling;
a first transmitter, transmitting a first signaling and a second signaling; and
a second transceiver, transmitting a first signal in a first radio resource set;
wherein the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the first radio resource pool comprises M1 multicarrier symbols, any of the M1 multicarrier symbols being of a first type; the second radio resource pool comprises M2 multicarrier symbols, there is at least one multicarrier symbol among the M2 multicarrier symbols being of a type other than the first type; when the first radio resource set belongs to the first radio resource pool, the first signal is associated with a first reference signal; when the first radio resource set belongs to the second radio resource pool, the first signal is associated with a target reference signal, the target reference signal being unrelated to the first reference signal; the first signal is transmitted in sidelink; M1 and M2 are both positive integers greater than 1.
2. The first node according to claim 1 , wherein the target signaling is used to indicate K1 candidate reference signal(s), the target reference signal is one of the K1 candidate reference signal(s), where K1 is a positive integer.
3. The first node according to claim 2 , wherein the first transceiver receives K2 first-type radio signal(s); the K2 first-type radio signal(s) is (are respectively) associated with K2 first-type reference signal(s); the target reference signal is unrelated to any of the K2 first-type reference signal(s); the first reference signal is related to at least one of the K2 first-type reference signal(s); a receiver for the first signal includes a second node, a transmitter for the K2 first-type radio signal(s) is a third node, the second node and the third node being non-co-located; K2 is a positive integer.
4. The first node according to claim 1 , wherein the second transceiver receives a third signaling and a second signal; the third signaling comprises configuration information for the second signal, the first signal comprising feedback for the second signal.
5. The first node according to claim 1 , wherein the first type means that a corresponding multicarrier symbol can be used for an uplink transmission in a cellular link; the type other than the first type includes at least one of a second type or a third type, the second type meaning that a corresponding multicarrier symbol can be used for a downlink transmission in a cellular link, while the third type meaning that a corresponding multicarrier symbol can be used for a downlink or uplink transmission in a cellular link.
6. The first node according to claim 1 , wherein the phrase that the first signal is associated with a first reference signal means that the first signal and the first reference signal are Quasi Co-located (QCL).
7. The first node according to claim 1 , wherein the phrase that the first signal is associated with a target reference signal means that the first signal and the target reference signal are QCL.
8. The first node according to claim 1 , wherein the phrase of the target reference signal being unrelated to the first reference signal means that the target reference signal and the first reference signal are non-QCL.
9. The first node according to claim 1 , wherein the first node comprises a first panel and a second panel, the first panel being associated with the first reference signal, the second panel being associated with the target reference signal.
10. The first node according to claim 9 , wherein the first panel is associated with X1 antenna ports, a first antenna port being one of the X1 antenna ports, where X1 is a positive integer, the first reference signal employs the first antenna port to transmit.
11. The first node according to claim 9 , wherein the second panel is associated with X2 antenna ports, the target antenna port being one of the X2 antenna ports, where X2 is a positive integer, the target reference signal employs the target antenna port to transmit.
12. The first node according to claim 9 , wherein a first index and a second index respectively correspond to the first panel and the second panel in the present disclosure; when the first signal is associated with the first reference signal, the first index is used to generate the first signal; when the first signal is associated with the target reference signal, the second index is used to generate the first signal.
13. The first node according to claim 1 , wherein the target reference signal is transmitted in sidelink, while the first signaling and the second signaling are both transmitted in sidelink.
14. A second node for wireless communications, comprising:
a first receiver, receiving a target signaling;
a second receiver, receiving a first signaling and a second signaling; and
a third transceiver, receiving a first signal in a first radio resource set;
wherein the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the first radio resource pool comprises M1 multicarrier symbols, any of the M1 multicarrier symbols being of a first type; the second radio resource pool comprises M2 multicarrier symbols, there is at least one multicarrier symbol among the M2 multicarrier symbols being of a type other than the first type; when the first radio resource set belongs to the first radio resource pool, the first signal is associated with a first reference signal; when the first radio resource set belongs to the second radio resource pool, the first signal is associated with a target reference signal, the target reference signal being unrelated to the first reference signal; the first signal is transmitted in sidelink; M1 and M2 are both positive integers greater than 1.
15. The second node according to claim 14 , wherein the target signaling is used to indicate K1 candidate reference signal(s), the target reference signal is one of the K1 candidate reference signal(s), where K1 is a positive integer.
16. The second node according to claim 15 , wherein a transmitter for the first signal receives K2 first-type radio signal(s); the K2 first-type radio signal(s) is (are respectively) associated with K2 first-type reference signal(s); the target reference signal is unrelated to any of the K2 first-type reference signal(s); the first reference signal is related to at least one of the K2 first-type reference signal(s); a transmitter for the K2 first-type radio signal(s) is a third node, the second node and the third node being non-co-located; K2 is a positive integer.
17. The second node according to claim 14 , wherein the third transceiver transmits a third signaling and a second signal; the third signaling comprises configuration information for the second signal, the first signal comprising feedback for the second signal.
18. The second node according to claim 14 , wherein the first type means that a corresponding multicarrier symbol can be used for an uplink transmission in a cellular link; the type other than the first type includes at least one of a second type or a third type, the second type meaning that a corresponding multicarrier symbol can be used for a downlink transmission in a cellular link, while the third type meaning that a corresponding multicarrier symbol can be used for a downlink or uplink transmission in a cellular link.
19. A method in a first node for wireless communications, comprising:
transmitting a target signaling;
transmitting a first signaling and a second signaling; and
transmitting a first signal in a first radio resource set;
wherein the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the first radio resource pool comprises M1 multicarrier symbols, any of the M1 multicarrier symbols being of a first type; the second radio resource pool comprises M2 multicarrier symbols, there is at least one multicarrier symbol among the M2 multicarrier symbols being of a type other than the first type; when the first radio resource set belongs to the first radio resource pool, the first signal is associated with a first reference signal; when the first radio resource set belongs to the second radio resource pool, the first signal is associated with a target reference signal, the target reference signal being unrelated to the first reference signal; the first signal is transmitted in sidelink; M1 and M2 are both positive integers greater than 1.
20. A method in a second node for wireless communications, comprising:
receiving a target signaling;
receiving a first signaling and a second signaling; and
receiving a first signal in a first radio resource set;
wherein the target signaling is used to determine a target reference signal; the first signaling and the second signaling are respectively used to indicate a first radio resource pool and a second radio resource pool; the first radio resource pool comprises M1 multicarrier symbols, any of the M1 multicarrier symbols being of a first type; the second radio resource pool comprises M2 multicarrier symbols, there is at least one multicarrier symbol among the M2 multicarrier symbols being of a type other than the first type; when the first radio resource set belongs to the first radio resource pool, the first signal is associated with a first reference signal; when the first radio resource set belongs to the second radio resource pool, the first signal is associated with a target reference signal, the target reference signal being unrelated to the first reference signal; the first signal is transmitted in sidelink; M1 and M2 are both positive integers greater than 1.