Granted Patent B2

US 12,609,732 · App. 18/559,979 · Granted Apr 21, 2026

Inventors: Saeid Sahraei (San Diego, CA); Ahmed Elshafie (San Diego, CA); Hung Dinh Ly (San Diego, CA); Yu Zhang (San Diego, CA); Hwan Joon Kwon (San Diego, CA); Krishna Kiran Mukkavilli (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04B7/04013H04B7/0626

Abstract

Claims (103)

1 . A user equipment (UE) for wireless communication, comprising:

a memory; and

one or more processors, coupled to the memory, configured to:

receive configuration information identifying a set of sub-bands for receiving, via a set of reconfigurable reflective surfaces, a signal;

receive, via a first reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a first sub-band of the set of sub-bands;

receive, via a second reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a second sub-band of the set of sub-bands; and

transmit, based at least in part on receiving the signal, reconfigurable reflective surface information indicating at least one of:

first reconfigurable reflective surface information regarding the first reconfigurable reflective surface, or

second reconfigurable reflective surface information regarding the second reconfigurable reflective surface.

2 . The UE of claim 1 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

transmit the reconfigurable reflective surface information via uplink control information, or

multiplex the reconfigurable reflective surface information with uplink control information.

3 . The UE of claim 1 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

multiplex the reconfigurable reflective surface information with at least one of a hybrid automatic repeat request (HARQ) acknowledgement or channel state information (CSI) report.

4 . The UE of claim 1 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

transmit at least a portion of the reconfigurable reflective surface information via physical uplink control channel (PUCCH) communication,

multiplex at least a portion of the reconfigurable reflective surface information via PUCCH communication,

transmit at least a portion of the reconfigurable reflective surface information via physical uplink shared channel (PUSCH) communication, or

multiplex at least a portion of the reconfigurable reflective surface information via PUSCH communication.

5 . The UE of claim 1 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

transmit data identifying at least one of the first reconfigurable reflective surface or the second reconfigurable reflective surface.

6 . The UE of claim 1 , wherein the configuration information indicates a maximum number of reconfigurable reflective surfaces for which the UE is to transmit respective reconfigurable reflective surface information.

7 . The UE of claim 1 , wherein the configuration information indicates a mapping between sub-band indices and the set of reconfigurable reflective surfaces.

8 . The UE of claim 7 , wherein the one or more processors are further configured to:

identify the first reconfigurable reflective surface based at least in part on the mapping indicating the first sub-band is mapped to the first reconfigurable reflective surface; and

identify the second reconfigurable reflective surface based at least in part on the mapping indicating the second sub-band is mapped to the second reconfigurable reflective surface.

9 . The UE of claim 1 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

transmit the reconfigurable reflective surface information in a sequence of multiple k-bit segments,

wherein each k-bit segment, of the multiple k-bit segments, corresponds to a reconfigurable reflective surface of the set of reconfigurable reflective surfaces.

10 . The UE of claim 1 , wherein the reconfigurable reflective surface information is associated with a measure of priority; and

the measure of priority indicates reconfigurable reflective surface information priority relative to at least one of hybrid automatic repeat request (HARQ) priority or channel state information (CSI) priority.

11 . The UE of claim 10 , wherein the one or more processors, to transmit the reconfigurable reflective surface information, are configured to:

transmit the reconfigurable reflective surface information based at least in part on the measure of priority.

12 . The UE of claim 1 , wherein the configuration information indicates that the UE is to report the reconfigurable reflective surface information in at least one of an aperiodic or periodic manner.

13 . The UE of claim 1 , wherein the first reconfigurable reflective surface and the second reconfigurable reflective surface are associated with different component carriers.

14 . The UE of claim 1 , wherein the configuration information indicates at least one of:

a time associated with a starting symbol of the signal,

a number of reference signals conveyed by the signal, or

a gap between one or more reference signals of the number of reference signals.

15 . The UE of claim 14 , wherein the one or more processors are further configured to:

determine the reconfigurable reflective surface information based at least in part on at least one of:

the time associated with the starting symbol of the signal,

the number of reference signals, or

the gap between the one or more reference signals.

16 . The UE of claim 1 , wherein the first reconfigurable reflective surface information includes feedback indicating one of:

an acknowledgement indicating the UE received the signal via the first reconfigurable reflective surface, or

a negative acknowledgment indicating that the UE did not receive the signal via the first reconfigurable reflective surface; and

the second reconfigurable reflective surface information includes feedback indicating one of:

an acknowledgement indicating the UE received the signal via the second reconfigurable reflective surface, or

a negative acknowledgment indicating that the UE did not receive the signal via the second reconfigurable reflective surface.

17 . A base station for wireless communication, comprising:

a memory; and

one or more processors, coupled to the memory, configured to:

transmit, to a user equipment (UE), configuration information identifying a set of sub-bands for transmitting, via a set of reconfigurable reflective surfaces, a signal;

transmit, to a first reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a first sub-band of the set of sub-bands;

transmit, to a second reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a second sub-band of the set of sub-bands; and

receive, from the UE, reconfigurable reflective surface information indicating at least one of:

first reconfigurable reflective surface information regarding the first reconfigurable reflective surface, or

second reconfigurable reflective surface information regarding the second reconfigurable reflective surface.

18 . The base station of claim 17 , wherein the transmitting the signal in the first sub-band comprises:

beam-forming the signal in a first direction; and

wherein the one or more processors, to transmit the signal in the second sub-band, are configured to:

beam-forming the signal in a second direction that is different from the first direction.

19 . The base station of claim 17 , wherein the one or more processors, to receive the reconfigurable reflective surface information, are configured to:

receive the reconfigurable reflective surface information via uplink control information, or

receive the reconfigurable reflective surface information via multiplexed uplink control information.

20 . The base station of claim 17 , wherein the one or more processors, to receive the reconfigurable reflective surface information, are configured to:

receive, the reconfigurable reflective surface information multiplexed with at least one of a hybrid automatic repeat request (HARQ) acknowledgement or channel state information (CSI) report.

21 . The base station of claim 17 , wherein the one or more processors, to receive the reconfigurable reflective surface information, are configured to:

receive at least a portion of the reconfigurable reflective surface information via physical uplink control channel (PUCCH) communication,

receive at least a portion of the reconfigurable reflective surface information multiplexed with PUCCH communication,

receive at least a portion of the reconfigurable reflective surface information via physical uplink shared channel (PUSCH) communication, or

receive at least a portion of the reconfigurable reflective surface information multiplexed with PUSCH communication.

22 . The base station of claim 17 , wherein the one or more processors, to receive the reconfigurable reflective surface information, are configured to:

Receive data identifying at least one of the first reconfigurable reflective surface or the second reconfigurable reflective surface.

23 . The base station of claim 17 , wherein the configuration information indicates a maximum number of reconfigurable reflective surfaces for which the UE is to transmit respective reconfigurable reflective surface information.

24 . The base station of claim 17 , wherein the configuration information indicates a mapping between sub-band indices and the set of reconfigurable reflective surfaces.

25 . The base station of claim 17 , wherein the one or more processors, to receive the reconfigurable reflective surface information, are configured to:

receive the reconfigurable reflective surface information in a sequence of multiple k-bit segments,

wherein each k-bit segment, of the multiple k-bit segments, corresponds to a reconfigurable reflective surface of the set of reconfigurable reflective surfaces.

26 . The base station of claim 17 , wherein the configuration information includes information identifying a measure of priority associated with the reconfigurable reflective surface information; and

the measure of priority indicates reconfigurable reflective surface information priority relative to at least one of hybrid automatic repeat request (HARQ) priority or channel state information (CSI) priority.

27 . A method of wireless communication performed by a user equipment (UE), comprising:

receiving configuration information identifying a set of sub-bands for receiving, via a set of reconfigurable reflective surfaces, a signal;

receiving, via a first reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a first sub-band of the set of sub-bands;

receiving, via a second reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a second sub-band of the set of sub-bands; and

transmitting, based at least in part on receiving the signal, reconfigurable reflective surface information indicating at least one of:

first reconfigurable reflective surface information regarding the first reconfigurable reflective surface, or

second reconfigurable reflective surface information regarding the second reconfigurable reflective surface.

28 . The method of claim 27 , wherein transmitting the reconfigurable reflective surface information comprises:

transmitting the reconfigurable reflective surface information via uplink control information, or

multiplexing the reconfigurable reflective surface information with uplink control information.

29 . A method of wireless communication performed by a base station, comprising:

transmitting, to a user equipment (UE), configuration information identifying a set of sub-bands for transmitting, via a set of reconfigurable reflective surfaces, a signal;

transmitting, to a first reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a first sub-band of the set of sub-bands;

transmitting, to a second reconfigurable reflective surface of the set of reconfigurable reflective surfaces, the signal in a second sub-band of the set of sub-bands; and

receiving, from the UE, reconfigurable reflective surface information indicating at least one of:

first reconfigurable reflective surface information regarding the first reconfigurable reflective surface, or

second reconfigurable reflective surface information regarding the second reconfigurable reflective surface.

30 . The method of claim 29 , wherein the transmitting the signal in the first sub-band comprises:

beam-forming the signal in a first direction; and

wherein transmitting the signal in the second sub-band comprises:

beam-forming the signal in a second direction that is different from the first direction.

Assignments (1)

Continuity (1)

References Cited (25)

Cited By (2)

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