Method and device for grant-free transmission in UE and base station for wireless communication

1. A method in a User Equipment (UE) for wireless communication, comprising:

transmitting a first radio signal; and

transmitting a second radio signal;

wherein the first radio signal comprises M 1 first radio sub-signal(s), and a first sequence is used for generating the first radio sub-signal; the second radio signal comprises M 2 second radio sub-signal(s), and

a first bit block is used for generating the second radio sub-signal; the M 1 is a positive integer, the M 2 is a positive integer in a target set, and each element in the target set is a positive integer; and the target set is correlated with at least one of the M 1 or the first sequence; time-domain resources respectively occupied by any two of the M 1 first radio sub-signals are orthogonal, time-domain resources respectively occupied by any two of the M 2 second radio sub-signals are orthogonal; M 1 is a positive integer number power of 2, or 1, M 2 is a positive integer number power of 2, or 1, the first bit block is one Transmission Block (TB).

2. The method according to claim 1 , further comprising:

receiving a third radio signal;

wherein the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting a transmission timing of the UE or allocating resources for uplink transmission to the UE; M 3 is used for determining at least one of a starting time of time-domain resources occupied by the third radio signal or time-domain resources occupied by the third radio signal; and the M 3 is one element in the target set.

3. The method according to claim 2 , wherein M 3 is a maximum value in the target set, or M 3 is a minimum value in the target set; the third radio signal includes DCI.

4. The method according to claim 1 , further comprising:

receiving a first signaling;

wherein the first signaling is used for determining a first-type time-frequency resource set; the first-type time-frequency resource set comprises P 1 first-type resource subset(s); the first radio signal occupies one first-type resource subset; the P 1 is a positive integer; the first-type resource subset occupied by the first radio signal is used for determining at least one of air-interface resources occupied by the second radio signal or the M 1 ; and the air-interface resources comprise time-frequency resources and/or code-domain resources.

5. The method according to claim 1 , further comprising:

receiving a second signaling;

wherein the second signaling is used for determining a second-type time-frequency resource set; the second-type time-frequency resource set comprises P 2 second-type resource subset(s); time-frequency resources occupied by the second radio signal belong to one second-type resource subset; the P 2 is a positive integer; the second-type resource subset to which the time-frequency resources occupied by the second radio signal belong is used for determining a number of subcarriers occupied by the second radio signal.

6. The method according to claim 1 , further comprising:

receiving a fourth radio signal;

wherein a measurement of the fourth radio signal is used for determining the M 1 ; the fourth radio signal includes at least one of a Primary Synchronization Signal (PSS) or a Secondary Synchronization Signal (SSS) or a Channel Status Information Reference Signal (CSI-RS).

7. The method according to claim 1 , the first radio signal is transmitted on a Physical Random Access Channel (PRACH), the second radio signal is transmitted on a Physical Uplink Shared Channel (PUSCH); the transmission of the first radio signal is contention-based.

8. A UE for wireless communication, comprising:

a first transceiver, to transmit a first radio signal; and

a first transmitter, to transmit a second radio signal;

wherein the first radio signal comprises M 1 first radio sub-signal(s), and a first sequence is used for generating the first radio sub-signal; the second radio signal comprises M 2 second radio sub-signal(s), and a first bit block is used for generating the second radio sub-signal; the M 1 is a positive integer, the M 2 is a positive integer in a target set, and each element in the target set is a positive integer; and the target set is correlated with at least one of the M 1 or the first sequence; time-domain resources respectively occupied by any two of the M 1 first radio sub-signals are orthogonal, time-domain resources respectively occupied by any two of the M 2 second radio sub-signals are orthogonal; M 1 is a positive integer number power of 2, or 1, M 2 is a positive integer number power of 2, or 1, the first bit block is one Transmission Block (TB).

9. The UE for wireless communication according to claim 8 , further comprising:

a first receiver, to receive a third radio signal;

wherein the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting a transmission timing of the UE or allocating resources for uplink transmission to the UE; M 3 is used for determining at least one of a starting time of time-domain resources occupied by the third radio signal or time-domain resources occupied by the third radio signal; and the M 3 is one element in the target set.

10. The UE according to claim 9 , wherein M 3 is a maximum value in the target set, or M 3 is a minimum value in the target set; the third radio signal includes DCI.

11. The UE for wireless communication according to claim 8 , wherein the first transceiver further receives a first signaling; wherein the first signaling is used for determining a first-type time-frequency resource set; the first-type time-frequency resource set comprises P 1 first-type resource subset(s); the first radio signal occupies one first-type resource subset; the P 1 is a positive integer; the first-type resource subset occupied by the first radio signal is used for determining at least one of air-interface resources occupied by the second radio signal or the M 1 ; and the air-interface resources comprise time-frequency resources and/or code-domain resources.

12. The UE for wireless communication according to claim 8 , wherein the first transceiver further receives a second signaling; wherein the second signaling is used for determining a second-type time-frequency resource set; the second-type time-frequency resource set comprises P 2 second-type resource subset(s); time-frequency resources occupied by the second radio signal belong to one second-type resource subset; the P 2 is a positive integer; the second-type resource subset to which the time-frequency resources occupied by the second radio signal belong is used for determining a number of subcarriers occupied by the second radio signal.

13. The UE for wireless communication according to claim 8 , the first transceiver further receives a fourth radio signal, wherein a measurement of the fourth radio signal is used for determining the M 1 ; the fourth radio signal includes at least one of a Primary Synchronization Signal (PSS) or a Secondary Synchronization Signal (SSS) or a Channel Status Information Reference Signal (CSI-RS).

14. The UE for wireless communication according to claim 8 , the first radio signal is transmitted on a Physical Random Access Channel (PRACH), the second radio signal is transmitted on a Physical Uplink Shared Channel (PUSCH); the transmission of the first radio signal is contention-based.

15. A base station for wireless communication, comprising:

a second transceiver, to receive a first radio signal; and

a second receiver, to receive a second radio signal;

wherein the first radio signal comprises M 1 first radio sub-signal(s), and a first sequence is used for generating the first radio sub-signal; the second radio signal comprises M 2 second radio sub-signal(s), and a first bit block is used for generating the second radio sub-signal; the M 1 is a positive integer, the M 2 is a positive integer in a target set, and each element in the target set is a positive integer; and the target set is correlated with at least one of the M 1 or the first sequence; time-domain resources respectively occupied by any two of the M 1 first radio sub-signals are orthogonal, time-domain resources respectively occupied by any two of the M 2 second radio sub-signals are orthogonal; M 1 is a positive integer number power of 2, or 1, M 2 is a positive integer number power of 2, or 1, the first bit block is one Transmission Block (TB).

16. The base station for wireless communication according to claim 15 , further comprising:

a second transmitter, to transmit a third radio signal;

wherein the third radio signal is used for at least one of determining whether the first bit block needs to be retransmitted, adjusting a transmission timing of a receiver of the third radio signal or allocating resources for uplink transmission to a receiver of the third radio signal; M 3 is used for determining at least one of a starting time of time-domain resources occupied by the third radio signal or time-domain resources occupied by the third radio signal; and the M 3 is one element in the target set.

17. The base station for wireless communication according to claim 15 , wherein M 3 is a maximum value in the target set, or M 3 is a minimum value in the target set; the third radio signal includes DCI.

18. The base station for wireless communication according to claim 15 , wherein the second transceiver further transmits a first signaling; wherein the first signaling is used for determining a first-type time-frequency resource set; the first-type time-frequency resource set comprises P 1 first-type resource subset(s); the first radio signal occupies one first-type resource subset; the P 1 is a positive integer; the first-type resource subset occupied by the first radio signal is used for determining at least one of air-interface resources occupied by the second radio signal or the M 1 ; and the air-interface resources comprise at least the time frequency resources of time-frequency resources and/or code-domain resources.

19. The base station for wireless communication according to claim 15 , wherein the second transceiver further transmits a fourth radio signal, wherein a measurement of the fourth radio signal is used for determining the M 1 ; the fourth radio signal includes at least one of a Primary Synchronization Signal (PSS) or a Secondary Synchronization Signal (SSS) or a Channel Status Information Reference Signal (CSI-RS).

20. The base station for wireless communication according to claim 15 , the first radio signal is transmitted on a Physical Random Access Channel (PRACH), the second radio signal is transmitted on a Physical Uplink Shared Channel (PUSCH); the transmission of the first radio signal is contention-based.