Method for setting reception beam in electronic device receiving signals transmitted from plurality of TRPs and electronic device

Patent metadata

Field	Value
Publication number	US-12081307-B2
Application number	US-202217969380-A
Country	US
Kind code	B2
Filing date	Oct 19, 2022
Priority date	Dec 8, 2021
Publication date	Sep 3, 2024
Grant date	Sep 3, 2024

Abstract

An electronic device is provided. The electronic device includes a plurality of antenna modules, and a communication processor. The communication processor may be configured to identify information set for reception of different signals transmitted from a plurality of transmission and reception points (TRPs), identify information related to a strength of a reference signal corresponding to a first TRP among the plurality of TRPs and information related to a strength of a reference signal corresponding to a second TRP among the plurality of TRPs, for a plurality of reception beams set in the plurality of antenna modules, respectively, identify that a first reception beam of a first antenna module among the plurality of antenna modules is selected to receive a signal transmitted from the first TRP and a second reception beam of the first antenna module is selected to receive a signal transmitted from the second TRP, and receive a signal corresponding to the first TRP and a signal corresponding to the second TRP based on a third reception beam of the first antenna module.

First claim

What is claimed is:

1. An electronic device comprising:
a plurality of antenna modules; and
a communication processor,
wherein the communication processor is configured to:
identify information set for reception of different signals transmitted from a plurality of transmission and reception points (TRPs),
identify information related to a strength of a reference signal corresponding to a first TRP among the plurality of TRPs and information related to a strength of a reference signal corresponding to a second TRP among the plurality of TRPs, for a plurality of reception beams set in the plurality of antenna modules, respectively, based on the set information,
identify that a first reception beam of a first antenna module among the plurality of antenna modules is selected to receive a signal transmitted from the first TRP and a second reception beam of the first antenna module is selected to receive a signal transmitted from the second TRP, based on the information related to the strength of the reference signal corresponding to the first TRP and the information related to the strength of the reference signal corresponding to the second TRP, and
receive a signal corresponding to the first TRP and a signal corresponding to the second TRP based on a third reception beam of the first antenna module, based on identifying that the first reception beam and the second reception beam are selected.

2. The electronic device of claim 1 ,
wherein the information related to the strength of the reference signal corresponding to the first TRP includes information related to a strength of a reference signal received corresponding to the first TRP, and
wherein the information related to the strength of the reference signal corresponding to the second TRP includes information related to a strength of a reference signal received corresponding to the second TRP.

3. The electronic device of claim 2 , wherein the reference signal includes a channel state information-reference signal (CSI-RS) or a synchronization signal block (SSB).

4. The electronic device of claim 1 , wherein the information related to the strength of the reception signal includes any one selected from among a reference signal received power (RSRP), a received strength signal indicator (RSSI), a reference signal received quality (RSRQ), or a signal to interference plus noise ratio (SINR).

5. The electronic device of claim 1 , wherein the communication processor is further configured to: set the third reception beam, based on a probability of receiving a first physical downlink control channel (PDCCH) signal transmitted from the first TRP and a second PDCCH signal transmitted from the second TRP among a plurality of reception beams set for the first antenna module.

6. The electronic device of claim 5 , wherein the communication processor is further configured to: set the third reception beam, based on identifying that the first PDCCH and the second PDCCH temporally overlap.

7. The electronic device of claim 1 , wherein the communication processor is further configured to: set the third reception beam, based on a capacity of receiving a physical downlink shared channel (PDSCH) signal transmitted from the first TRP and a PDSCH signal transmitted from the second TRP among a plurality of reception beams set for the first antenna module.

8. The electronic device of claim 1 , wherein the communication processor is further configured to:
identify whether a default quasi co location (QCL) is selected, and
set the third reception beam, based on identifying that the default QCL is not selected.

9. The electronic device of claim 1 , wherein the communication processor is further configured to:
identify whether a default quasi co location (QCL) is selected,
identify whether a plurality of reference signals for the plurality of TRPs are set, based on identifying that the default QCL is selected, and
set the third reception beam, based on identifying that the plurality of reference signals for the plurality of TRPs are set.

10. The electronic device of claim 1 , wherein the communication processor is further configured to:
identify whether a default quasi co location (QCL) is selected,
identify whether a plurality of reference signals for the plurality of TRPs are set, based on identifying that the default QCL is selected, and
set a reception beam based on the same reference signal, based on identifying that the same reference signal for the plurality of TRPs is set.

11. A method for setting a reception beam by an electronic device, the method comprising:
identifying information set for reception of different signals transmitted from a plurality of transmission and reception points (TRPs);
identifying information related to a strength of a reference signal corresponding to a first TRP among the plurality of TRPs and information related to a strength of a reference signal corresponding to a second TRP among the plurality of TRPs, for a plurality of reception beams set in a plurality of antenna modules, respectively, included in the electronic device, based on the set information;
identifying that a first reception beam of a first antenna module among the plurality of antenna modules is selected to receive a signal transmitted from the first TRP and a second reception beam of the first antenna module is selected to receive a signal transmitted from the second TRP, based on the information related to the strength of the reference signal corresponding to the first TRP and the information related to the strength of the reference signal corresponding to the second TRP; and
receiving a signal corresponding to the first TRP and a signal corresponding to the second TRP based on a third reception beam of the first antenna module, based on identifying that the first reception beam and the second reception beam are selected.

12. The method of claim 11 ,
wherein the information related to the strength of the reference signal corresponding to the first TRP includes information related to a strength of a reference signal received corresponding to the first TRP, and
wherein the information related to the strength of the reference signal corresponding to the second TRP includes information related to a strength of a reference signal received corresponding to the second TRP.

13. The method of claim 12 , wherein the reference signal includes a channel state information-reference signal (CSI-RS) or a synchronization signal block (SSB).

14. The method of claim 11 , wherein the information related to the strength of the reception signal includes any one selected from among a reference signal received power (RSRP), a received strength signal indicator (RSSI), a reference signal received quality (RSRQ), or a signal to interference plus noise ratio (SINR).

15. The method of claim 11 , further comprising:
setting the third reception beam, based on a probability of receiving a first physical downlink control channel (PDCCH) signal transmitted from the first TRP and a second PDCCH signal transmitted from the second TRP among a plurality of reception beams set for the first antenna module.

16. The method of claim 15 , further comprising:
setting the third reception beam, based on identifying that the first PDCCH and the second PDCCH temporally overlap.

17. The method of claim 11 , further comprising:
setting the third reception beam, based on a capacity of receiving a physical downlink shared channel (PDSCH) signal transmitted from the first TRP and a PDSCH signal transmitted from the second TRP among a plurality of reception beams set for the

Assignees

• Samsung Electronics Co Ltd

Inventors

• Yang Minho
• Kim Taeyoon
• Lee Hyoungjoo
• Han Yonggue
• Lim Chaiman
• Jung Euichang

Classifications

• H04L5/0048

  Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091) · CPC title

• H04W72/23

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04B7/0857

  using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS] · CPC title

• H04B7/06952

  Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping · CPC title

• H04L5/0023

  Time-frequency-space · CPC title