US-12628000-B2 - Beam configuration reporting for hierarchical beam pair identification

US12628000B2US 12628000 B2US12628000 B2US 12628000B2US-12628000-B2

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first network entity may transmit, to a second network entity, beam configuration information associated with the first network entity, wherein the beam configuration information indicates hierarchical beam relations between one or more wide beams and a plurality of narrow beams. The first network entity may receive, from the second network entity, an indication of a scheduled interference measurement associated with a narrow beam of the plurality of narrow beams based at least in part on the beam configuration information associated with the first network entity. Numerous other aspects are described.

Inventors

Yan Zhou
Qian Zhang
Tao Luo

Assignees

QUALCOMM INCORPORATED

Dates

Publication Date: 20260512
Application Date: 20220429

Claims (20)

1 . A first network entity for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: transmit, to a second network entity, beam configuration information associated with the first network entity, wherein the beam configuration information indicates hierarchical beam relations between one or more wide beams and a plurality of narrow beams; receive, from the second network entity, an indication of a scheduled cross-link interference measurement associated with a narrow beam of the plurality of narrow beams based at least in part on the beam configuration information associated with the first network entity; and perform a cross-link interference measurement on the narrow beam of the plurality of narrow beams based at least in part on the indication of the scheduled cross-link interference measurement.
2 . The first network entity of claim 1 , wherein the one or more wide beams are one or more first beams having a first beam width, and the plurality of narrow beams is a plurality of second beams having a second beam width that is narrower than the first beam width.
3 . The first network entity of claim 1 , wherein the beam configuration information indicates an applicable frequency interval for the hierarchical beam relations.
4 . The first network entity of claim 3 , wherein the applicable frequency interval for the hierarchical beam relations is a component carrier (CC), a CC group, a frequency band, or a bandwidth part (BWP).
5 . The first network entity of claim 1 , wherein the hierarchical beam relations indicate a respective set of narrow beams, of the plurality of narrow beams, associated with each wide beam of the one or more wide beams.
6 . The first network entity of claim 1 , wherein each narrow beam of the plurality of narrow beams corresponds to a respective downlink reference signal, and wherein the beam configuration information indicates the hierarchical beam relations by indicating, for each narrow beam of the plurality of narrow beams, a transmission configuration indicator (TCI) state for the respective downlink reference signal.
7 . The first network entity of claim 1 , wherein the one or more wide beams include one or more synchronization signal block (SSB) beams, wherein the plurality of narrow beams includes a plurality of channel state information reference signal (CSI-RS) beams, and wherein each CSI-RS beam, of the plurality of CSI-RS beams, is associated with an SSB beam of the one or more SSB beams.
8 . The first network entity of claim 7 , wherein the beam configuration information includes, for each CSI-RS beam of the plurality of CSI-RS beams, an indication of a respective TCI state, and wherein, for each CSI-RS beam of the plurality of CSI-RS beams, a quasi co-location (QCL) source of the respective TCI state indicates the SSB beam, of the one or more SSB beams, associated with that CSI-RS beam.
9 . The first network entity of claim 1 , wherein the one or more processors are further configured to: transmit, to the second network entity, an indication of the cross-link interference measurement.
10 . The first network entity of claim 9 , wherein the one or more processors are further configured to: receive, from the second network entity, an indication of a selected narrow beam to use for receiving uplink communications based at least in part on the indication of the cross-link interference measurement.
11 . The first network entity of claim 1 , wherein the narrow beam on which the cross-link interference measurement is performed is a receive beam associated with the first network entity, wherein the indication of the scheduled cross-link interference measurement indicates a downlink reference signal associated with the first network entity, and wherein the receive beam associated with the first network entity corresponds to a beam used by the first network entity to transmit the downlink reference signal indicated by the indication of the scheduled cross-link interference measurement.
12 . The first network entity of claim 1 , wherein the narrow beam on which the cross-link interference measurement is performed is a first narrow beam associated with the first network entity, and wherein the cross-link interference measurement measures cross-link interference on the first narrow beam from a second narrow beam associated with a third network entity.
13 . The first network entity of claim 1 , wherein the one or more processors are further configured to: transmit, on the narrow beam of the plurality of narrow beams, a reference signal associated with a cross-link interference measurement based at least in part on the indication of the scheduled cross-link interference measurement.
14 . The first network entity of claim 1 , wherein the first network entity includes a distributed unit (DU).
15 . The first network entity of claim 1 , wherein the second network entity includes an operations, administration, and management (OAM) device.
16 . The first network entity of claim 1 , wherein the second network entity includes a central unit (CU).
17 . A first network entity for wireless communication, comprising: one or more memories; and one or more processors, coupled to the one or more memories, configured to: receive, from a second network entity, first beam configuration information associated with the second network entity, wherein the first beam configuration information indicates first hierarchical beam relations between one or more first wide beams and a plurality of first narrow beams associated with the second network entity; receive, from a third network entity, second beam configuration information associated with the third network entity, wherein the second beam configuration information indicates second hierarchical beam relations between one or more second wide beams and a plurality of second narrow beams associated with the third network entity; and transmit, to the second network entity and the third network entity, an indication of a scheduled cross-link interference measurement between a first narrow beam, of the plurality of first narrow beams, and a second narrow beam, of the plurality of second narrow beams, based at least in part on the first beam configuration information and the second beam configuration information.
18 . The first network entity of claim 17 , wherein the first beam configuration information indicates that the first narrow beam is associated with a first wide beam of the one or more first wide beams, wherein the second beam configuration information indicates that the second narrow beam is associated with a second wide beam of the one or more second wide beams, and wherein the one or more processors, to transmit the indication of the scheduled cross-link interference measurement, are configured to: transmit, to the second network entity and the third network entity, the indication of the scheduled cross-link interference measurement between the first narrow beam and the second narrow beam based at least in part on an interference measurement between the first wide beam and the second wide beam.
19 . The first network entity of claim 18 , wherein the one or more processors, to transmit the indication of the scheduled cross-link interference measurement between the first narrow beam and the second narrow beam based at least in part on the interference measurement between the first wide beam and the second wide beam, are configured to: transmit, to the second network entity and the third network entity, the indication of the scheduled cross-link interference measurement between the first narrow beam and the second narrow beam based at least in part on the interference measurement between the first wide beam and the second wide beam satisfying a threshold.
20 . The first network entity of claim 17 , wherein the first network entity includes an operations, administration, and management (OAM) device.

Description

FIELD OF THE DISCLOSURE Aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for beam configuration reporting for hierarchical beam pair identification. BACKGROUND Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts. Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, or the like). Examples of such multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC-FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE). LTE/LTE-Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP). A wireless network may include one or more base stations that support communication for a user equipment (UE) or multiple UEs. A UE may communicate with a base station via downlink communications and uplink communications. “Downlink” (or “DL”) refers to a communication link from the base station to the UE, and “uplink” (or “UL”) refers to a communication link from the UE to the base station. The above multiple access technologies have been adopted in various telecommunication standards to provide a common protocol that enables different UEs to communicate on a municipal, national, regional, and/or global level. New Radio (NR), which may be referred to as 5G, is a set of enhancements to the LTE mobile standard promulgated by the 3GPP. NR is designed to better support mobile broadband internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using orthogonal frequency division multiplexing (OFDM) with a cyclic prefix (CP) (CP-OFDM) on the downlink, using CP-OFDM and/or single-carrier frequency division multiplexing (SC-FDM) (also known as discrete Fourier transform spread OFDM (DFT-s-OFDM)) on the uplink, as well as supporting beamforming, multiple-input multiple-output (MIMO) antenna technology, and carrier aggregation. As the demand for mobile broadband access continues to increase, further improvements in LTE, NR, and other radio access technologies remain useful. SUMMARY Some aspects described herein relate to a first network entity for wireless communication. The first network entity may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to transmit, to a second network entity, beam configuration information associated with the first network entity, wherein the beam configuration information indicates hierarchical beam relations between one or more wide beams and a plurality of narrow beams. The one or more processors may be configured to receive, from the second network entity, an indication of a scheduled interference measurement associated with a narrow beam of the plurality of narrow beams based at least in part on the beam configuration information associated with the first network entity. Some aspects described herein relate to a first network entity for wireless communication. The first network entity may include a memory and one or more processors coupled to the memory. The one or more processors may be configured to receive, from a second network entity, first beam configuration information associated with the second network entity, wherein the first beam configuration information indicates first hierarchical beam relations between one or more first wide beams and a plurality of first narrow beams associated with the second network entity. The one or more processors may be configured to receive, from a third network entity, second beam configuration information associated with the third network entity, wherein the second beam configuration information indicates second hierarchical beam relations between one or more second wide beams and a plurality of second narrow beams associated with the third network entity. The one or more processors may be configured to transmit, to the second network entity and the third network entity, an indication of a scheduled interference measurement between a first narrow beam, of the plurality of first narrow beams, and a second narrow beam, of the plurality of second narrow beams, based at least in part on the first beam configuration information and the second beam configuration information. Some aspects described herein relate to a method of wireless communication performed by a first network entity. The met