Method and device in UE and base station used for wireless communication

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

transmitting a first characteristic radio signal in a first radio resource, wherein the first characteristic radio signal is generated based on a first sequence, wherein the first sequence is a Zadoff-Chu sequence;

transmitting a second characteristic radio signal in a second radio resource, wherein the second characteristic radio signal is generated based on a second sequence, wherein the second sequence is a pseudo-random sequence; and

transmitting a first radio signal in a third radio resource,

wherein small-scale properties of a channel that the second characteristic radio signal goes through can be for inferring small-scale properties of a channel that the first radio signal goes through,

wherein a first identity (ID) generates a first scrambling sequence,

wherein the first scrambling sequence is for scrambling in the first radio signal,

wherein the first ID determines the second sequence, while the first ID indicates an index of the first sequence in a first target sequence pool,

wherein the third radio resource is determined based on the first radio resource and the first sequence, and

wherein the first characteristic radio signal is transmitted in a Physical Random Access Channel (PRACH), and the first radio signal is transmitted in a Physical Uplink Shared Channel (PUSCH).

2. The method of claim 1 , comprising receiving first configuration information, the first configuration information comprising a Radio Resource Control (RRC) Information Element, wherein a first sequence pool and a second sequence pool are determined based on the first configuration information, and a first radio resource pool and a third radio resource pool are determined based on the first configuration information, wherein the first sequence belongs to the first sequence pool, and the second sequence belongs to the second sequence pool, wherein the first radio resource pool comprises a positive integer number of first-type radio resource(s), and the first radio resource is one of the positive integer number of first-type radio resource(s), and wherein the third radio resource pool comprises a positive integer number of third-type radio resource(s), and the third radio resource is one of the positive integer number of third-type radio resource(s).

3. The method of claim 2 , comprising:

monitoring a first control signaling in a first time window, wherein the first time window is determined based on the third radio resource, wherein the first control signaling is detected in the first time window; and

receiving a second radio signal in a fourth radio resource,

wherein the first control signaling comprises third scheduling information for scheduling the second radio signal, the third scheduling information comprises comprising the fourth radio resource and a Modulation and Coding Scheme (MCS), wherein the first control signaling comprises one or more fields in Downlink Control Information (DCI), and the first control signaling is transmitted in a Physical Downlink Control Channel (PDCCH), wherein the first radio resource is for scrambling the first control signaling, and wherein the second radio signal comprises all or part of information in Random Access Response (RAR), and the second radio signal is transmitted in a Physical Downlink Shared Channel (PDSCH).

4. The method of claim 3 , wherein the second radio signal comprises either a) the first ID and timing adjustment, or b) fourth scheduling information for scheduling subsequent uplink signal transmission, wherein the fourth scheduling information comprises timing adjustment, uplink transmitting power, and occupied time-frequency resource.

5. The method of claim 4 , comprising transmitting Q1 fourth-type characteristic radio signal(s) respectively in Q1 fourth-type radio resource(s), wherein a fourth-type radio resource of the Q1 fourth-type radio resource(s) comprises the first radio resource, wherein Q1 characteristic sequence(s) is(are) respectively for generating the Q1 fourth-type characteristic radio signal(s), and a characteristic sequence of the Q1 characteristic sequence(s) comprises the first sequence, wherein the characteristic sequence is related to a position of a time-domain resource of the fourth-type radio resource among the Q1 fourth-type radio resource(s), and wherein Q1 is a positive integer.

6. A method in a base station for wireless communications, comprising:

receiving a first characteristic radio signal in a first radio resource, wherein the first characteristic radio signal is generated based on a first sequence, wherein the first sequence is a Zadoff-Chu sequence;

receiving a second characteristic radio signal in a second radio resource, wherein the second characteristic radio signal is generated based on a second sequence, wherein the second sequence is a pseudo-random sequence; and

receiving a first radio signal in a third radio resource,

wherein parameters of a channel that the first radio signal goes through are related to parameters of a channel that the second characteristic radio signal goes through,

wherein small-scale properties of a channel that the second characteristic radio signal goes through can be for inferring small-scale properties of a channel that the first radio signal goes through,

wherein a first identity (ID) generates a first scrambling sequence,

wherein the first scrambling sequence is for scrambling in the first radio signal,

wherein the first ID determines the second sequence, while the first ID indicates an index of the first sequence in a first target sequence pool,

wherein the third radio resource is determined based on the first radio resource and the first sequence, and

wherein the first characteristic radio signal is transmitted in a Physical Random Access Channel (PRACH), and the first radio signal is transmitted in a Physical Uplink Shared Channel (PUSCH).

7. The method of claim 6 , comprising transmitting first configuration information, the first configuration information comprising a Radio Resource Control (RRC) Information Element, wherein a first sequence pool and a second sequence pool are determined based on the first configuration information, and a first radio resource pool and a third radio resource pool are determined based on the first configuration information, wherein the first sequence belongs to the first sequence pool, and the second sequence belongs to the second sequence pool, wherein the first radio resource pool comprises a positive integer number of first-type radio resource(s), and the first radio resource is one of the positive integer number of first-type radio resource(s), and wherein the third radio resource pool comprises a positive integer number of third-type radio resource(s), and the third radio resource is one of the positive integer number of third-type radio resource(s).

8. The method of claim 7 , comprising:

transmitting a first control signaling in a first time window, wherein the first time window is determined based on the third radio resource, wherein the first control signaling is detected in the first time window; and

transmitting a second radio signal in a fourth radio resource,

wherein the first control signaling comprises third scheduling information for scheduling the second radio signal, the third scheduling information comprising the fourth radio resource and a Modulation and Coding Scheme (MCS), wherein the first control signaling comprises one or more fields in Downlink Control Information (DCI), and the first control signaling is transmitted in a Physical Downlink Control Channel (PDCCH), wherein the first radio resource is for scrambling the first control signaling, and wherein the second radio signal comprises all or part of information in Random Access Response (RAR), and the second radio signal is transmitted in a Physical Downlink Shared Channel (PDSCH).

9. The method of claim 8 , wherein the second radio signal comprises either a) the first ID and timing adjustment, or b) fourth scheduling information for scheduling subsequent uplink signal transmission, wherein the fourth scheduling information comprises timing adjustment, uplink transmitting power, and occupied time-frequency resource.

10. The method of claim 9 , comprising receiving Q1 fourth-type characteristic radio signal(s) respectively in Q1 fourth-type radio resource(s), wherein a fourth-type radio resource of the Q1 fourth-type radio resource(s) comprises the first radio resource, wherein Q1 characteristic sequence(s) is(are) respectively for generating the Q1 fourth-type characteristic radio signal(s), and a characteristic sequence of the Q1 characteristic sequence(s) comprises the first sequence, wherein the characteristic sequence is related to a position of a time-domain resource of the fourth-type radio resource among the Q1 fourth-type radio resource(s), and wherein Q1 is a positive integer.

11. A User Equipment (UE) for wireless communications, comprising:

a first transmitter configured to:

transmit a first characteristic radio signal in a first radio resource, wherein the first characteristic radio signal is generated based on a first sequence, wherein the first sequence is a Zadoff-Chu sequence;

transmit a second characteristic radio signal in a second radio resource, wherein the second characteristic radio signal is generated based on a second sequence, wherein the second sequence is a pseudo-random sequence; and

transmit a first radio signal in a third radio resource,

wherein parameters of a channel that the first radio signal goes through are related to parameters of a channel that the second characteristic radio signal goes through,

wherein small-scale properties of a channel that the second characteristic radio signal goes through can be for inferring small-scale properties of a channel that the first radio signal goes through,

wherein a first identity (ID) generates a first scrambling sequence,

wherein the first scrambling sequence is for scrambling in the first radio signal,

wherein the first ID determines the second sequence, while the first ID indicates an index of the first sequence in a first target sequence pool,

wherein the third radio resource is determined based on the first radio resource and the first sequence, and

wherein the first characteristic radio signal is transmitted in a Physical Random Access Channel (PRACH), and the first radio signal is transmitted in a Physical Uplink Shared Channel (PUSCH).

12. The UE of claim 11 , further comprising a first receiver configured to receive first configuration information, the first configuration information comprising a Radio Resource Control (RRC) Information Element, wherein a first sequence pool and a second sequence pool are determined based on the first configuration information, and a first radio resource pool and a third radio resource pool are determined based on the first configuration information, wherein the first sequence belongs to the first sequence pool, and the second sequence belongs to the second sequence pool, wherein the first radio resource pool comprises a positive integer number of first-type radio resource(s), and the first radio resource is one of the positive integer number of first-type radio resource(s), and wherein the third radio resource pool comprises a positive integer number of third-type radio resource(s), and the third radio resource is one of the positive integer number of third-type radio resource(s).

13. The UE of claim 12 , further comprising a second receiver configured to:

monitor a first control signaling in a first time window, wherein the first time window is determined based on the third radio resource, wherein the first control signaling is detected in the first time window; and

receive a second radio signal in a fourth radio resource,

wherein the first control signaling comprises third scheduling information for scheduling the second radio signal, the third scheduling information comprising the fourth radio resource and a Modulation and Coding Scheme (MCS), wherein the first control signaling comprises one or more fields in Downlink Control Information (DCI), and the first control signaling is transmitted in a Physical Downlink Control Channel (PDCCH), wherein the first radio resource is for scrambling the first control signaling, and wherein the second radio signal comprises all or part of information in Random Access Response (RAR), and the second radio signal is transmitted in a Physical Downlink Shared Channel (PDSCH).

14. The UE of claim 13 , wherein the second radio signal comprises either a) the first ID and timing adjustment, or b) fourth scheduling information for scheduling subsequent uplink signal transmission, wherein the fourth scheduling information comprises timing adjustment, uplink transmitting power, and occupied time-frequency resource.

15. The UE of claim 14 , wherein the first transmitter is configured to transmit Q1 fourth-type characteristic radio signal(s) respectively in Q1 fourth-type radio resource(s), wherein a fourth-type radio resource of the Q1 fourth-type radio resource(s) comprises the first radio resource, wherein Q1 characteristic sequence(s) is(are) respectively for generating the Q1 fourth-type characteristic radio signal(s), and a characteristic sequence of the Q1 characteristic sequence(s) comprises the first sequence, wherein the characteristic sequence is related to a position of a time-domain resource of the fourth-type radio resource among the Q1 fourth-type radio resource(s) and wherein Q1 is a positive integer.

16. A base station for wireless communications, comprising:

a third receiver configured to:

receive a first characteristic radio signal in a first radio resource, wherein the first characteristic radio signal is generated based on a first sequence, wherein the first sequence is a Zadoff-Chu sequence;

receive a second characteristic radio signal in a second radio resource, wherein the second characteristic radio signal is generated based on a second sequence, wherein the second sequence is a pseudo-random sequence; and

receive a first radio signal in a third radio resource,

wherein parameters of a channel that the first radio signal goes through are related to parameters of a channel that the second characteristic radio signal goes through,

wherein small-scale properties of a channel that the second characteristic radio signal goes through can be for inferring small-scale properties of a channel that the first radio signal goes through,

wherein a first identity (ID) generates a first scrambling sequence,

wherein the first scrambling sequence is for scrambling in the first radio signal,

wherein the first ID determines the second sequence, while the first ID indicates an index of the first sequence in a first target sequence pool,

wherein the third radio resource is determined based on the first radio resource and the first sequence, and

wherein the first characteristic radio signal is transmitted in a Physical Random Access Channel (PRACH), and the first radio signal is transmitted in a Physical Uplink Shared Channel (PUSCH).

17. The base station of claim 16 , further comprising a second transmitter configured to transmit first configuration information, the first configuration information comprising a Radio Resource Control (RRC) Information Element, wherein a first sequence pool and a second sequence pool are determined based on the first configuration information, and a first radio resource pool and a third radio resource pool are determined based on the first configuration information, wherein the first sequence belongs to the first sequence pool, and the second sequence belongs to the second sequence pool, wherein the first radio resource pool comprises a positive integer number of first-type radio resource(s), and the first radio resource is one of the positive integer number of first-type radio resource(s), and wherein the third radio resource pool comprises a positive integer number of third-type radio resource(s), and the third radio resource is one of the positive integer number of third-type radio resource(s).

18. The base station of claim 17 , further comprising a third transmitter configured to:

transmit a first control signaling in a first time window, wherein the first time window is determined based on the third radio resource, wherein the first control signaling is detected in the first time window; and

transmit a second radio signal in a fourth radio resource,

wherein the first control signaling comprises third for scheduling the second radio signal, the third scheduling information comprising the fourth radio resource and a Modulation and Coding Scheme (MCS), wherein the first control signaling comprises one or more fields in Downlink Control Information (DCI), and the first control signaling is transmitted in a Physical Downlink Control Channel (PDCCH), wherein the first radio resource is for scrambling the first control signaling, and wherein the second radio signal comprises all or part of information in Random Access Response (RAR), and the second radio signal is transmitted in a Physical Downlink Shared Channel (PDSCH).

19. The base station of claim 18 , wherein the second radio signal comprises either a) the first ID and timing adjustment, or b) fourth scheduling information for scheduling subsequent uplink signal transmission, wherein the fourth scheduling information comprises timing adjustment, uplink transmitting power, and occupied time-frequency resource.

20. The base station of claim 19 , further comprising a third receiver configured to receive Q1 fourth-type characteristic radio signal(s) respectively in Q1 fourth-type radio resource(s), wherein a fourth-type radio resource of the Q1 fourth-type radio resource(s) comprises the first radio resource, wherein Q1 characteristic sequence(s) is(are) respectively for generating the Q1 fourth-type characteristic radio signal(s), and a characteristic sequence of the Q1 characteristic sequence(s) comprises the first sequence, wherein the characteristic sequence is related to a position of a time-domain resource of the fourth-type radio resource among the Q1 fourth-type radio resource(s) and wherein Q1 is a positive integer.