Granted Patent B2

US 12,206,498 · App. 17/775,061 · Granted Jan 21, 2025

Inventor: Yuanyuan Li (Beijing, CN)

Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.

H04L1/1607H04L1/1812H04L5/0053H04W4/40

Abstract

Claims (62)

1. A method for transmitting a feedback sequence, comprising:

receiving, by a feedback terminal, data on a data channel, wherein the data corresponds to a reception power and a transmission power;

determining, by the feedback terminal, the number of sending times to send a feedback sequence based on the reception power and the transmission power;

determining, by the feedback terminal, a physical resource position for sending the feedback sequence; and

sending, by the feedback terminal, the feedback sequence to a receiving terminal based on the number of sending times at the physical resource position,

wherein the receiving terminal is configured to: receive the feedback sequence at the physical resource position for the feedback sequence, performs a positive correlation operation on n first feedback sequences received at a first physical resource position to obtain a correlation result set, wherein each first feedback sequence corresponds to a first correlation value in the correlation result set, and n is positive integer; compares the first correlation value in the correlation result set with a first threshold, and filters the first feedback sequences to obtain first feedback sequences sent at the first physical resource position; and performs an iterative filtering on the first feedback sequences on the first physical resource position and feedback sequences on subsequent physical resource positions to obtain control information fed back by the feedback terminal.

2. The method of claim 1 , wherein determining the number of sending times to send the feedback sequence based on the reception power and the transmission power comprises:

determining a path loss value based on the reception power and the transmission power; and

determining the number of sending times based on the path loss value.

3. The method of claim 2 , wherein determining the number of sending times based on the path loss value comprises:

in response to determining that the path loss value is greater than a feedback threshold, determining a first number of sending times as the number of sending times to send the feedback sequence;

or,

in response to determining that the path loss value is not greater than the feedback threshold, determining a second number of sending times as the number of sending times to send the feedback sequence, wherein the first number of sending times is greater than the second number of sending times.

4. The method of claim 1 , wherein determining the physical resource position for sending the feedback sequence comprises:

receiving a first configuration signaling sent by an access network device or a receiving terminal, wherein the first configuration signaling comprises an information field configured to indicate the physical resource position.

5. The method of claim 1 , wherein determining the physical resource position for sending the feedback sequence comprises:

receiving a second configuration signaling sent by an access network device, wherein the second configuration signaling comprise an information field configured to indicate a correspondence between feedback features and the physical resource positions; and

determining the physical resource position for sending the feedback sequence based on a feedback feature, wherein the feedback feature comprise a distance feature, the number of bytes, or both the distance feature and the number of bytes, the distance feature is configured to represent a distance relationship between the receiving terminal and the feedback terminal, and the number of bytes is configured to represent the number of bytes of the feedback sequence sent by the feedback terminal.

6. A method for transmitting a feedback sequence, comprising:

receiving, by a receiving terminal, feedback sequences at a physical resource position for the feedback sequences; and

obtaining, by the receiving terminal, control information fed back by a feedback terminal based on filtered by the feedback sequences according to an activation threshold, wherein the activation threshold comprises a first threshold;

wherein obtaining the control information fed back by the feedback terminal based on filtered by the feedback sequences according to an activation threshold comprises:

performing a positive correlation operation on n first feedback sequences received at a first physical resource position to obtain a correlation result set, wherein each first feedback sequence corresponds to a first correlation value in the correlation result set, and n is positive integer;

comparing the first correlation value in the correlation result set with a first threshold, and filtering the first feedback sequences to obtain first feedback sequences sent at the first physical resource position; and

performing an iterative filtering on the first feedback sequences on the first physical resource position and feedback sequences on subsequent physical resource positions to obtain the control information fed back by the feedback terminal.

7. The method of claim 6 , wherein the activation threshold further includes a second threshold, and iteratively filtering the first feedback sequences on the first physical resource position and the feedback sequence on subsequent physical resource positions to obtain the control information fed back by the feedback terminal comprises:

superimposing n feedback sequences at the m-th physical resource position with superimposition sequences obtained through the (m−1)-th iteration to obtain n updated superimposition sequences, where m is greater than 1 and less than or equal to the number of physical resource positions;

in response to determining that a power value of an i-th superimposition sequence is greater than the second threshold, subtracting the i-th superimposition sequence obtained through the (m−1)-th iteration from the i-th superimposition sequence;

in response to determining that the power value of the i-th superimposition sequence is not greater than the second threshold, compare a sum of a third correlation value corresponding to the i-th superimposition sequence obtained from the (m−1)-th iteration and a fourth correlation value corresponding to the i-th feedback sequence at the m-th physical resource position with the first threshold to determine feedback sequences sent at the m-th physical resource position; and

when the iteration is completed, determining the control information fed back by the feedback terminal based on the superimposition sequences.

8. A terminal, comprising:

a processor; and

a transceiver connected to the processor;

in which the processor is configured to load and execute executable instructions to:

receive data on a data channel, wherein the data corresponds to a reception power and a transmission power;

determine the number of sending times to send a feedback sequence based on the reception power and the transmission power;

determine a physical resource position for sending the feedback sequence; and

send the feedback sequence to a receiving terminal based on the number of sending times at the physical resource position,

wherein the receiving terminal is configured to: receive the feedback sequence at the physical resource position for the feedback sequence, performs a positive correlation operation on n first feedback sequences received at a first physical resource position to obtain a correlation result set, wherein each first feedback sequence corresponds to a first correlation value in the correlation result set, and n is positive integer; compares the first correlation value in the correlation result set with a first threshold, and filters the first feedback sequences to obtain first feedback sequences sent at the first physical resource position; and performs an iterative filtering on the first feedback sequences on the first physical resource position and feedback sequences on subsequent physical resource positions to obtain control information fed back by the feedback terminal.

9. A non-transitory computer-readable storage medium, having at least one instruction, at least one program, code set or instruction set stored thereon, wherein the at least one instruction, at least one program, code set or instruction set are loaded and executed by the processor to implement a method for transmitting a feedback sequence of claim 1 .

10. The terminal of claim 8 , wherein the processor is further configured to:

determine a path loss value based on the reception power and the transmission power; and

determine the number of sending times based on the path loss value.

11. The terminal of claim 10 , wherein the processor is further configured to:

in response to determining that the path loss value is greater than a feedback threshold, determine a first number of sending times as the number of sending times to send the feedback sequence;

or,

in response to determining that the path loss value is not greater than the feedback threshold, determine a second number of sending times as the number of sending times to send the feedback sequence, wherein the first number of sending times is greater than the second number of sending times.

12. The terminal of claim 8 , wherein the processor is further configured to:

receive a first configuration signaling sent by an access network device or a receiving terminal, wherein the first configuration signaling comprises an information field configured to indicate the physical resource position.

13. The terminal of claim 8 , wherein the processor is further configured to:

receive a second configuration signaling sent by an access network device, wherein the second configuration signaling comprise an information field configured to indicate a correspondence between feedback features and the physical resource positions; and

determine the physical resource position for sending the feedback sequence based on a feedback feature, wherein the feedback feature comprise a distance feature, the number of bytes, or both the distance feature and the number of bytes, the distance feature is configured to represent a distance relationship between a receiving terminal and the feedback terminal, and the number of bytes is configured to represent the number of bytes of the feedback sequence sent by the feedback terminal.

14. A terminal, comprising:

a processor; and

a transceiver connected to the processor;

wherein the processor is configured to load and execute executable instructions to implement a method for transmitting a feedback sequence of claim 7 .

15. The terminal of claim 14 , wherein the activation threshold further includes a second threshold, and iteratively filtering the first feedback sequences on the first physical resource position and the feedback sequence on subsequent physical resource positions to obtain the control information fed back by the feedback terminal comprises:

superimposing n feedback sequences at the m-th physical resource position with superimposition sequences obtained through the (m−1)-th iteration to obtain n updated superimposition sequences, where m is greater than 1 and less than or equal to the number of physical resource positions;

in response to determining that a power value of an i-th superimposition sequence is greater than the second threshold, subtracting the i-th superimposition sequence obtained through the (m−1)-th iteration from the i-th superimposition sequence;

in response to determining that the power value of the i-th superimposition sequence is not greater than the second threshold, compare a sum of a third correlation value corresponding to the i-th superimposition sequence obtained from the (m−1)-th iteration and a fourth correlation value corresponding to the i-th feedback sequence at the m-th physical resource position with the first threshold to determine feedback sequences sent at the m-th physical resource position; and

when the iteration is completed, determining the control information fed back by the feedback terminal based on the superimposition sequences.

16. A non-transitory computer-readable storage medium, having at least one instruction, at least one program, code set or instruction set stored thereon, wherein the at least one instruction, at least one program, code set or instruction set are loaded and executed by the processor to implement a method for transmitting a feedback sequence of claim 6 .

Assignments (1)

Continuity (1)

References Cited (17)