CN-115997356-B - Measurement reporting for full duplex multi-beam communication

Abstract

Methods, systems, and devices for wireless communications are described. A User Equipment (UE) may identify a first set of signal strength metrics for signal strength of a transmit beam of a base station using a receive beam of the UE. The UE may identify a second set of signal strength metrics for signal strength of a transmit beam of the UE using a receive beam of the UE. The UE may send an indication of the first set of signal strength metrics and the second set of signal strength metrics to the base station. The UE may communicate with the base station based at least in part on the indication.

Inventors

• HORNE IRENE MARY
• R. Belina
• A. Tubul
• S. Landis

Assignees

• 高通股份有限公司

Dates

Publication Date

20260505

Application Date

20210630

Priority Date

20210511

Claims (20)

1. 1. A method for wireless communication at a User Equipment (UE), comprising: a first set of signal strength metrics that identify a signal strength of a transmit beam of a base station using a receive beam of the UE; Identifying a second set of signal strength metrics for signal strength of a transmit beam of the UE using a receive beam of the UE; Transmitting an indication of the first set of signal strength metrics and the second set of signal strength metrics to the base station, and Communication is made with the base station based at least in part on the indication.
2. 2. The method of claim 1, further comprising: A signal strength of a reference signal transmitted by the base station via a transmit beam set of the base station is measured, wherein the measurement is on a per receive beam basis of the UE, and the first signal strength metric set includes a result of the measurement.
3. 3. The method of claim 2, further comprising: a configuration signal is received from the base station identifying reference signal resources for reference signal transmission by the base station.
4. 4. The method of claim 1, further comprising: A signal strength of a reference signal transmitted by the UE via a transmit beam set of the UE is measured, wherein the measurement is on a per receive beam basis of the UE, and the second signal strength metric set includes a result of the measurement.
5. 5. The method of claim 4, further comprising: a configuration signal is received from the base station identifying resources for reference signal transmission by the UE.
6. 6. The method of claim 1, further comprising: generating a base station-to-UE interference table comprising respective signal strengths of a set of transmit beams of the base station for a set of receive beams of the UE, and A UE self-interference table is generated that includes respective signal strengths of a transmit beam set of the UE for the receive beam set of the UE, wherein the indication of the first set of signal strength metrics includes information associated with the base station-to-UE interference table and the UE self-interference table.
7. 7. The method of claim 6, wherein the information associated with the base station-to-UE interference table and the UE self-interference table comprises the respective signal strengths.
8. 8. The method of claim 6, wherein the information associated with the base station-to-UE interference table and the UE-to-UE interference table comprises a respective indication of whether the respective signal strength meets a threshold for each base station transmit beam-to-UE receive beam combination of the base station-to-UE interference table, for each UE transmit beam-to-UE receive beam combination of the UE-to-UE interference table, or for both.
9. 9. The method of claim 6, wherein the information associated with the base station-to-UE interference table and the UE-to-UE interference table includes respective indications associated with signal strengths failing to meet a threshold for any base station transmit beam-to-UE receive beam combination of the base station-to-UE interference table, for any UE transmit beam-to-UE receive beam combination of the UE-to-UE self-interference table, or for both.
10. 10. A method for wireless communication at a base station, comprising: receiving, from a User Equipment (UE), an indication of a first set of signal strength metrics for a signal strength of a transmit beam of the base station using a receive beam of the UE and a second set of signal strength metrics for a signal strength of a transmit beam of the UE using a receive beam of the UE; selecting one or more transmit beams of the base station for communication with the UE based at least in part on the indication, and Communicate with the UE based at least in part on the selection.
11. 11. The method of claim 10, further comprising: A signal strength of a reference signal transmitted by the base station using a transmit beam set of the base station is determined based at least in part on the first signal strength metric set, wherein the signal strength is on a per receive beam basis of the UE.
12. 12. The method of claim 11, further comprising: A configuration signal is transmitted that identifies reference signal resources for reference signal transmission by the base station.
13. 13. The method of claim 10, further comprising: A signal strength of a reference signal transmitted by the UE using a transmit beam set of the UE is determined based at least in part on the second signal strength metric set, wherein the signal strength is on a per receive beam basis of the UE.
14. 14. The method of claim 13, further comprising: A configuration signal is sent to the UE identifying resources for reference signal transmission by the UE.
15. 15. The method of claim 10, further comprising: Generating a base station-to-UE interference table based at least in part on the first set of signal strength metrics, the base station-to-UE interference table including respective signal strengths of a set of transmit beams of the base station for a set of receive beams of the UE, and A UE self-interference table is generated based at least in part on the second set of signal strength metrics, the UE self-interference table including respective signal strengths of a set of transmit beams of the UE for the set of receive beams of the UE.
16. 16. The method of claim 15, wherein the indication comprises the respective signal strengths associated with the base station-to-UE interference table and the UE self-interference table.
17. 17. The method of claim 15, wherein the indication comprises a respective indication of whether a signal strength associated with each base station transmit beam to UE receive beam combination of the base station to UE interference table, each UE transmit beam to UE receive beam combination of the UE from interference table, or both meets a threshold.
18. 18. The method of claim 15, wherein the indication comprises a respective indication associated with a signal strength that fails to meet a threshold for any base station transmit beam to UE receive beam combination of the base station to UE interference table, for any UE transmit beam to UE receive beam combination of the UE self-interference table, or for both.
19. 19. The method of claim 10, further comprising: receiving, from a second UE, an indication of a third set of signal strength metrics for signal strengths of transmit beams of the base station using a receive beam of the second UE and a fourth set of signal strength metrics for signal strengths of transmit beams of the second UE using a receive beam of the second UE, wherein selecting the one or more transmit beams of the base station for communication with the UE is based at least in part on the third set of signal strength metrics, the fourth set of signal strength metrics, or both.
20. 20. An apparatus for wireless communication at a User Equipment (UE), comprising: the processor may be configured to perform the steps of, A memory coupled to the processor, and Instructions stored in the memory and executable by the processor to cause the apparatus to: a first set of signal strength metrics that identify a signal strength of a transmit beam of a base station using a receive beam of the UE; Identifying a second set of signal strength metrics for signal strength of a transmit beam of the UE using a receive beam of the UE; Transmitting an indication of the first set of signal strength metrics and the second set of signal strength metrics to the base station, and Communication is made with the base station based at least in part on the indication.

Description

Measurement reporting for full duplex multi-beam communication Cross Reference to Related Applications This patent application claims priority from U.S. patent application Ser. No. 17/317,028, entitled "MEASUREMENT REPORTING FOR FULL-DUPLEX MULTI-BEAM COMMUNICATIONS", filed 11 at 5 of 2021 by HORN et al, and U.S. provisional patent application Ser. No. 63/075,725, filed 8 at 9 of 2020 by HORN et al, entitled "MEASUREMENT REPORTING FOR FULL-DUPLEX MULTI-BEAM COMMUNICATIONS", each of which is assigned to the assignee of the present application and expressly incorporated herein by reference. Technical Field The following relates to wireless communications, including measurement reporting for full duplex multi-beam communications. Background Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messages, broadcast, and so on. These systems may be able to support communication with multiple users by sharing available system resources (e.g., time, frequency, and power). Examples of such multiple access systems include fourth generation (4G) systems, such as Long Term Evolution (LTE) systems, LTE-advanced (LTE-a) systems, or LTE-a Pro systems, and fifth generation (5G) systems, which may be referred to as New Radio (NR) systems. These systems may employ techniques such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), or discrete fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM). A wireless multiple-access communication system may include one or more base stations or one or more network access nodes, each of which simultaneously support communication for multiple communication devices, which may be otherwise referred to as User Equipment (UE). In some wireless communication systems, communication devices (e.g., base stations, UEs) may support full duplex communication. In some cases, full duplex communications may increase interference and self-interference experienced by the communication device. Disclosure of Invention The described technology relates to improved methods, systems, devices, and apparatus for supporting measurement reporting for full duplex multi-beam communications. In general, the described techniques provide acquisition and utilization of base station interference and UE self-interference metrics for beam and/or link management/optimization. The UE may identify and transmit base station interference as well as UE self-interference information to the base station. In general, the base station interference (e.g., the first set of signal strength metrics) may include UE measurement performance metrics (e.g., reference Signal Received Power (RSRP), reference Signal Strength Indicator (RSSI), signal-to-noise ratio (SNR), channel Quality Information (CQI), throughput rate, etc.) for the transmit beams of the base station (e.g., on a per-receive beam basis of the UE for each available transmit beam of the base station or a subset thereof) when received using different receive beams of the UE. UE self-interference (e.g., the second set of signal strength metrics) may include UE measurement performance metrics (e.g., RSRP, RSSI, SNR, CQI, throughput rate, etc.) for the transmit beams of the UE (e.g., on a per receive beam basis of the UE, for each available transmit beam of the UE or a subset thereof) when received using different receive beams of the UE. The UE may transmit an actual RSRP value (or RSSI, SNR, CQI, etc.), a flag indicating whether the measured transmit/receive beam pair meets a threshold, etc. The base station may use this information (and similar information from other UEs) for link management/optimization, beam management/optimization, etc. for the UE and/or other UEs. For example, the base station may schedule or otherwise configure the UE to receive downlink signaling via one or more pairs of base station transmit beams and UE receive beams that exhibit high signal strength (e.g., high RSRP values), and the base station may generally choose to schedule or otherwise configure the UE to transmit uplink signaling simultaneously via one or more UE transmit beams that exhibit low signal strength (e.g., low RSRP values) in combination with one or more receive beams of the UE configured for downlink reception. Thus, the combination of the two tables (e.g., the first and second sets of signal strength metrics) will provide an indication of not only how strong the strength of the different base station transmit beams are to be received using the different UE transmit beams, but also how much the different UE transmit beams are to self-interfere with the different UE receive beams, and thus the base station's receipt and use of such information in making management/optimization determinations (e.g., scheduling and other configuration determinations) may imp