Granted Patent B2

US 12,627,459 · App. 18/358,746 · Granted May 12, 2026

Inventors: Abdelrahman Mohamed Ahmed Mohamed Ibrahim (San Diego, CA); Muhammad Sayed Khairy Abdelghaffar (San Jose, CA); Ahmed Attia Abotabl (San Diego, CA)

Assignee: QUALCOMM Incorporated

H04L5/14

Abstract

Claims (82)

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

one or more memories; and

one or more processors, coupled to the one or more memories, which are configured, individually or in any combination, to:

receive a configuration message, the configuration message comprising a sub-band full-duplex (SBFD) pattern indication that indicates an SBFD pattern for an SBFD resource;

identify a time domain granularity and a frequency domain granularity for the SBFD resource based at least in part on the SBFD pattern indication; and

communicate one or more communications with a network node via the SBFD resource in accordance with the time domain granularity and the frequency domain granularity.

2 . The UE of claim 1 ,

wherein the one or more processors, to receive the SBFD pattern indication, are configured, individually or in any combination, to receive a serving cell configuration common indication that includes the SBFD pattern indication and a time division duplexing configuration common indication, wherein the SBFD pattern is a semi-static SBFD pattern.

3 . The UE of claim 2 ,

wherein the one or more processors, to identify the time domain granularity and the frequency domain granularity for the SBFD resource, are configured, individually or in any combination, to:

identify the time domain granularity in accordance with a reference sub-carrier spacing (SCS) that is defined in the time division duplexing configuration common indication; and

identify the frequency domain granularity in accordance with an SCS associated with a downlink band, an uplink band, and a guard band of the SBFD resource, wherein the SCS associated with the downlink band, the uplink band, and the guard band of the SBFD resource is different than an SCS of an active bandwidth part associated with a serving cell of the UE.

4 . The UE of claim 2 ,

wherein the one or more processors, to identify the time domain granularity and the frequency domain granularity for the SBFD resource, are configured, individually or in any combination, to:

identify the time domain granularity in accordance with a time domain granularity indicated in the time division duplexing configuration common indication; and

identify the frequency domain granularity in accordance with a sub-carrier spacing of an uplink sub-band or a downlink sub-band.

5 . The UE of claim 1 ,

wherein the one or more processors, to receive the SBFD pattern indication, are configured, individually or in any combination, to receive a UE configuration that includes the SBFD pattern indication, wherein the SBFD pattern is a semi-static SBFD pattern.

6 . The UE of claim 5 ,

wherein the one or more processors, to identify the time domain granularity and the frequency domain granularity for the SBFD resource, are configured, individually or in any combination, to:

identify the time domain granularity in accordance with a reference sub-carrier spacing (SCS) that is defined in a time division duplexing configuration dedicated indication; and

identify the frequency domain granularity in accordance with an SCS associated with a downlink band, an uplink band, and a guard band of the SBFD resource, wherein the SCS associated with the downlink band, the uplink band, and the guard band of the SBFD resource is different than an SCS of an active bandwidth part associated with a serving cell of the UE.

7 . The UE of claim 5 ,

wherein the one or more processors, to identify the time domain granularity and the frequency domain granularity for the SBFD resource, are configured, individually or in any combination, to:

identify the time domain granularity in accordance with a time domain granularity indicated in a time division duplexing configuration dedicated indication; and

identify the frequency domain granularity in accordance with a sub-carrier spacing of an uplink sub-band or a downlink sub-band.

8 . The UE of claim 5 ,

wherein the one or more processors, to identify the time domain granularity and the frequency domain granularity for the SBFD resource, are configured, individually or in any combination, to identify the time domain granularity in accordance with a serving cell configuration, wherein a sub-carrier spacing (SCS) associated with the SBFD resource is less than a bandwidth part SCS.

9 . The UE of claim 8 ,

wherein the SCS of the SBFD resource is not limited by an SCS indicated in a time division duplexing configuration common indication.

10 . The UE of claim 8 ,

wherein an SCS of the SBFD resource is greater than or equal to a reference SCS indicated in a time division duplexing configuration common indication.

11 . The UE of claim 1 ,

wherein the one or more processors, to identify the time domain granularity, are configured, individually or in any combination, to identify the time domain granularity in accordance with a slot-based SBFD indication.

12 . The UE of claim 1 ,

wherein the one or more processors, to identify the time domain granularity, are configured, individually or in any combination, to identify the time domain granularity in accordance with a symbol-based SBFD indication.

13 . The UE of claim 1 ,

wherein the one or more processors, to identify the time domain granularity, are configured, individually or in any combination, to identify the time domain granularity in accordance with a window that includes a slot-based SBFD indication and a symbol-based SBFD indication, wherein the window is based at least in part on a maximum number of switching points between time division duplexing resources and SBFD resources.

14 . The UE of claim 13 ,

wherein a slot-based SBFD window is defined based at least in part on a start indicator and at least one of a length indicator or an end indicator, and a symbol-based SBFD window is defined based at least in part on another length indicator, wherein the symbol-based SBFD window begins at an end of the slot-based SBFD window.

15 . The UE of claim 13 ,

wherein a slot-based SBFD window is defined based at least in part on a start indicator and at least one of a length indicator or an end indicator, and a symbol-based SBFD window is defined based at least in part on a bitmap for one or more transition slots.

16 . The UE of claim 1 ,

wherein the one or more processors are further configured to:

receive an updated SBFD pattern indication that indicates an updated SBFD pattern for the SBFD resource; and

identify an updated time domain granularity and an updated frequency domain granularity for the SBFD resource based at least in part on the updated SBFD pattern indication.

17 . The UE of claim 16 ,

wherein the updated SBFD pattern indication is based at least in part on a reference sub-carrier spacing associated with a slot format indicator.

18 . The UE of claim 16 ,

wherein the one or more processors, to receive the updated SBFD pattern indication, are configured, individually or in any combination, to receive downlink control information or a medium access control message that includes an indication of the updated SBFD pattern, and wherein the one or more processors are further configured to receive a radio resource control message that includes an indication of a reference sub-carrier spacing (SCS) for the updated SBFD pattern.

19 . The UE of claim 18 ,

wherein the one or more processors are further configured to:

receive a first value that is less than or equal to each of a plurality of values that correspond, respectively, to all SCS indications associated with all configured bandwidth parts of a serving cell; and

receive a second value that is less than or equal to a value of an SCS of the serving cell.

20 . A network node for wireless communication, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, which are configured, individually or in any combination, to:

transmit a configuration message, the configuration message comprising a sub-band full-duplex (SBFD) pattern indication that indicates an SBFD pattern for an SBFD resource; and

communicate one or more communications with a user equipment via the SBFD resource in accordance with a time domain granularity and a frequency domain granularity for the SBFD resource that are based at least in part on the SBFD pattern indication.

21 . The network node of claim 20 ,

wherein the one or more processors, to transmit the SBFD pattern indication, are configured, individually or in any combination, to transmit a serving cell configuration common indication that includes the SBFD pattern indication and a time division duplexing configuration common indication, wherein the SBFD pattern is a semi-static SBFD pattern.

22 . The network node of claim 21 ,

wherein the time domain granularity is based at least in part on a reference sub-carrier spacing (SCS) that is defined in the time division duplexing configuration common indication, and the frequency domain granularity is based at least in part on an SCS associated with a downlink band, an uplink band, and a guard band of the SBFD resource, wherein the SCS associated with the downlink band, the uplink band, and the guard band of the SBFD resource is different than an SCS of an active bandwidth part associated with a serving cell.

23 . The network node of claim 21 ,

wherein the time domain granularity is based at least in part on a time domain granularity indicated in the time division duplexing configuration common indication, and the frequency domain granularity is based at least in part on a sub-carrier spacing of an uplink sub-band or a downlink sub-band.

24 . The network node of claim 20 ,

wherein the one or more processors, to transmit the SBFD pattern indication, are configured, individually or in any combination, to transmit a UE configuration that includes the SBFD pattern indication, wherein the SBFD pattern is a semi-static SBFD pattern.

25 . The network node of claim 24 ,

wherein the time domain granularity is based at least in part on a time domain granularity indicated in a time division duplexing configuration dedicated indication, and the frequency domain granularity is based at least in part on a sub-carrier spacing of an uplink sub-band or a downlink sub-band.

26 . The network node of claim 24 ,

wherein the time domain granularity is based at least in part on a serving cell configuration, wherein a sub-carrier spacing (SCS) associated with the SBFD resource is less than a bandwidth part SCS.

27 . The network node of claim 20 ,

wherein the time domain granularity is based at least in part on a slot-based SBFD indication, a symbol-based SBFD indication, or a window that includes a slot-based SBFD indication and a symbol-based SBFD indication.

28 . The network node of claim 20 ,

wherein the one or more processors are further configured to transmit an updated SBFD pattern indication that indicates an updated SBFD pattern for the SBFD resource, and wherein the one or more processors, to communicate via the SBFD resource in accordance with the time domain granularity and the frequency domain granularity, are configured, individually or in any combination, to communicate via the SBFD resource in accordance with an updated time domain granularity and an updated frequency domain granularity for the SBFD resource that are based at least in part on the updated SBFD pattern for the SBFD resource.

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

receiving a configuration message, the configuration message comprising a sub-band full-duplex (SBFD) pattern indication that indicates an SBFD pattern for an SBFD resource;

identifying a time domain granularity and a frequency domain granularity for the SBFD resource based at least in part on the SBFD pattern indication; and

communicating one or more communications with a network node via the SBFD resource in accordance with the time domain granularity and the frequency domain granularity.

30 . A method of wireless communication performed by a network node, comprising:

transmitting a configuration message, the configuration message comprising a sub-band full-duplex (SBFD) pattern indication that indicates an SBFD pattern for an SBFD resource; and

communicating one or more communications with a user equipment via the SBFD resource in accordance with a time domain granularity and a frequency domain granularity for the SBFD resource that are based at least in part on the SBFD pattern indication.

Assignments (1)

Continuity (1)

References Cited (14)