Granted Patent B2

US 12,255,843 · App. 17/786,431 · Granted Mar 18, 2025

Inventors: Huahua Xiao (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN); Chuangxin Jiang (Shenzhen, CN); Shujuan Zhang (Shenzhen, CN); Shijia Shao (Shenzhen, CN)

Assignee: ZTE Corporation

H04L5/0053H04L1/08

Abstract

Claims (64)

1. A physical channel transmission method, comprising:

acquiring, by a transmitter, K sets of reference signal parameters, the K sets of reference signal parameters being used for N repetitive transmissions of a physical channel;

where the K and N are integers greater than 1 and the N is greater than or equal to K; and

performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters;

wherein at least one of the reference signal parameters corresponding to a j th repetitive transmission by the transmitter is different from at least one of the reference signal parameters corresponding to an i th repetitive transmission by the transmitter, the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N.

2. The method of claim 1 , wherein the reference signal parameters comprise at least one of: a number of resource elements of a reference signal, a density of the reference signal, a number of symbols of the reference signal, and a transmission power of the reference signal.

3. The method of claim 1 , wherein the K sets of reference signal parameters are parameters preconfigured by the transmitter, or the K sets of reference signal parameters are parameters acquired by the transmitter through a high-layer signaling.

4. The method of claim 3 , wherein the K sets of reference signal parameters correspond to M pieces of spatial parameter information, or the N repetitive transmissions of the physical channel correspond to M pieces of spatial parameter information, or the K sets of reference signal parameters correspond to M pieces of spatial parameter information and the N repetitive transmissions of the physical channel correspond to M pieces of spatial parameter information, the M being an integer greater than or equal to K but less than or equal to N.

5. The method of claim 4 , wherein the M pieces of spatial parameter information are divided into K groups, and an i th group of spatial parameter information corresponds to an i th set of reference signal parameters, and the value of i is any integer from 1 to K.

6. The method of claim 1 , wherein the N repetitive transmissions comprise K groups of repetitive transmissions, and for each group of repetitive transmissions of the K groups of repetitive transmissions the same reference signal parameters are used.

7. The method of claim 1 , wherein the performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters comprises at least one of:

the number of symbols of the reference signal corresponding to a j th repetitive transmission by the transmitter is greater than the number of symbols of the reference signal corresponding to an i th repetitive transmission by the transmitter;

a transmission power of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than a transmission power of the reference signal corresponding to the i th repetitive transmission by the transmitter;

the number of resource elements of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than the number of resource elements of the reference signal corresponding to the i th repetitive transmission by the transmitter; and

a density of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than a density of the reference signal corresponding to the i th repetitive transmission by the transmitter;

wherein the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N.

8. The method of claim 7 , wherein the performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters further comprises at least one of:

in response to the number of resource symbols corresponding to repetitive transmissions being greater than L, the number of symbols of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than the number of symbols of the reference signal corresponding to the i th repetitive transmission by the transmitter;

after an n th repetitive transmission, the transmission power of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than the transmission power of the reference signal corresponding to the i th repetitive transmission by the transmitter; and

after an m th repetitive transmission by the transmitter is successful, the repetitive transmission is terminated, the m being greater than k and less than the N;

wherein the j is greater than the i; the i is greater than or equal to 1; the j is less than or equal to N; the Nis an integer greater than 1; the n and the L are integers greater than 1; the j is greater than or equal to the n; and the k is greater than 1 and less than the N.

9. The method of claim 7 , wherein, in response to the physical channel being a physical shared channel, the performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters further comprises at least one of:

a modulation coding order corresponding to shared data corresponding to the j th repetitive transmission by the transmitter is greater than a modulation coding order corresponding to shared data corresponding to the i th repetitive transmission by the transmitter; and

in response to the transmitter receiving a negative acknowledgement message, the transmission power of the reference signal corresponding to the j th repetitive transmission by the transmitter is greater than the transmission power of the reference signal corresponding to the i th repetitive transmission by the transmitter;

wherein the j is greater than the i, the i is greater than or equal to 1, the j is less than or equal to N, and the N is an integer greater than 1.

10. The method of claim 1 , wherein the performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters comprises at least one of:

the number of symbols of the reference signal corresponding to the j th repetitive transmission by the transmitter is less than the number of symbols of the reference signal corresponding to the i th repetitive transmission by the transmitter;

in response to the number of resource symbols corresponding to repetitive transmissions being greater than L, the number of symbols of the reference signal corresponding to the j th repetitive transmission by the transmitter is less than the number of symbols of the reference signal corresponding to the i th repetitive transmission by the transmitter;

the number of resource elements of the reference signal corresponding to the j th repetitive transmission by the transmitter is less than the number of resource elements of the reference signal corresponding to the i th repetitive transmission by the transmitter; and

the density of the reference signal corresponding to the j th repetitive transmission by the transmitter is less than the density of the reference signal corresponding to the i th repetitive transmission by the transmitter;

wherein the j is greater than the i, the i greater than or equal to 1, the j is less than or equal to N, the N is an integer greater than 1, and the Lis an integer greater than 1.

11. A physical channel transmission method, comprising:

acquiring K sets of reference signal parameters by a receiver, the K sets of reference signal parameters being used for receiving N repetitive transmissions of a physical channel;

wherein the K and N are integers greater than 1 and the N is greater than or equal to K; and

receiving, by the receiver, repetitive transmissions of the physical channel according to the K sets of reference signal parameters;

wherein at least one of the reference signal parameters corresponding to a j th repetitive transmission received by the receiver is different from at least one of the reference signal parameters corresponding to an i th repetitive transmission received by the receiver, the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N.

12. The method of claim 11 , wherein the reference signal parameters comprise at least one of: a number of resource elements of a reference signal, a density of the reference signal, a number of symbols of the reference signal, and a transmission power of the reference signal.

13. The method of claim 11 , wherein the K sets of reference signal parameters are parameters preconfigured by the receiver, or the K sets of reference signal parameters are parameters acquired by the receiver through a high-layer signaling.

14. The method of claim 13 , wherein the K sets of reference signal parameters correspond to M pieces of spatial parameter information, or the N repetitive transmissions of the physical channel correspond to M pieces of spatial parameter information, or the K sets of reference signal parameters correspond to M pieces of spatial parameter information and the N repetitive transmissions of the physical channel correspond to M pieces of spatial parameter information, the M being an integer greater than or equal to K but less than or equal to N.

15. The method of claim 11 , wherein the N repetitive transmissions comprise K groups of repetitive transmissions, and for each of the K groups of repetitive transmissions the same reference signal parameters are used.

16. The method of claim 11 , wherein the receiving, by the receiver, repetitive transmissions of the physical channel according to the K sets of reference signal parameters comprises at least one of:

the number of symbols of the reference signal corresponding to a j th repetitive transmission received by the receiver is greater than the number of symbols of the reference signal corresponding to an i th repetitive transmission received by the receiver;

a transmission power of the reference signal corresponding to the j th repetitive transmission received by the receiver is greater than a transmission power of the reference signal corresponding to the i th repetitive transmission received by the receiver;

the number of resource elements of the reference signal corresponding to the j th repetitive transmission received by the receiver is greater than the number of resource elements of the reference signal corresponding to the i th repetitive transmission received by the receiver; and

a density of the reference signal corresponding to the j th repetitive transmission received by the receiver is greater than a density of the reference signal corresponding to the i th repetitive transmission received by the receiver;

wherein the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N.

17. The method of claim 11 , wherein the receiving, by the receiver, repetitive transmissions of the physical channel according to the K sets of reference signal parameters comprises:

the number of symbols of the reference signal corresponding to the j th repetitive transmission received by the receiver is less than the number of symbols of the reference signal corresponding to the i th repetitive transmission received by the receiver;

or, in response to the number of resource symbols corresponding to the received repetitive transmissions being greater than L, the number of symbols of the reference signal corresponding to the j th repetitive transmission received by the receiver is less than the number of symbols of the reference signal corresponding to the i th repetitive transmission received by the receiver;

or, the number of resource elements of the reference signal corresponding to the j th repetitive transmission received by the receiver is less than the number of resource elements of the reference signal corresponding to the i th repetitive transmission received by the receiver;

or, the density of the reference signal corresponding to the j th repetitive transmission received by the receiver is less than the density of the reference signal corresponding to the i th repetitive transmission received by the receiver;

wherein the j is greater than the i, and the L is an integer greater than 1.

18. A node, comprising: a memory, a processor and computer programs that are stored on the memory and executable by the processor, wherein the computer programs, when executed by the processor, cause the processor to carry out a physical channel transmission method, comprising:

acquiring, by a transmitter, K sets of reference signal parameters, the K sets of reference signal parameters being used for N repetitive transmissions of a physical channel;

where the K and N are integers greater than 1 and the N is greater than or equal to K; and

performing, by the transmitter, repetitive transmissions of the physical channel according to the K sets of reference signal parameters;

wherein at least one of the reference signal parameters corresponding to a j th repetitive transmission by the transmitter is different from at least one of the reference signal parameters corresponding to an i th repetitive transmission by the transmitter, the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N; or

to carry out a physical channel transmission method, comprising:

acquiring K sets of reference signal parameters by a receiver, the K sets of reference signal parameters being used for receiving N repetitive transmissions of a physical channel;

wherein the K and N are integers greater than 1 and the N is greater than or equal to K; and

receiving, by the receiver, repetitive transmissions of the physical channel according to the K sets of reference signal parameters;

wherein at least one of the reference signal parameters corresponding to a j th repetitive transmission received by the receiver is different from at least one of the reference signal parameters corresponding to an i th repetitive transmission received by the receiver, the j is greater than the i, the i is greater than or equal to 1, and the j is less than or equal to N.

19. A non-transitory computer-readable storage medium having computer programs stored thereon which, when executed by a processor, cause the processor to carry out the physical channel transmission method of claim 1 .

20. A non-transitory computer-readable storage medium having computer programs stored thereon which, when executed by a processor, cause the processor to carry out the physical channel transmission method of claim 11 .

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (18)