US-20260128778-A1 - METHOD, DEVICE AND COMPUTER READABLE MEDIUM FOR COMMUNICATION

US20260128778A1US 20260128778 A1US20260128778 A1US 20260128778A1US-20260128778-A1

Abstract

Example embodiments of the present disclosure relate to methods, devices and computer readable mediums for communication. An example method comprises receiving, from a network device, configuration information on a beam report. The configuration information comprises a first set of reference signal (RS) resources corresponding to a first number of beams. The method further comprises generating, based on the configuration information, the beam report comprising a first group and a second group. The first group comprises beam information on a second number of beams and the second group comprises beam information on a third number of beams. The method further comprises transmitting the beam report to the network device. In this way, data collection is facilitated and overhead of beam reporting can be saved.

Inventors

Gang Wang
Peng Guan
Yukai GAO

Assignees

NEC CORPORATION

Dates

Publication Date: 20260507
Application Date: 20220726

Claims (20)

1 . A method for communication, comprising: receiving, at a terminal device from a network device, configuration information on a beam report, wherein the configuration information comprises a first set of reference signal (RS) resources corresponding to a first number of beams; generating, based on the configuration information, the beam report comprising a first group and a second group, wherein the first group comprises beam information on a second number of beams and the second group comprises beam information on a third number of beams; and transmitting the beam report to the network device.
2 . The method of claim 1 , wherein: the configuration information further comprises a second set of RS resource identities (IDs) and a third value, the second set of RS resource IDs indicate the second number of beams from the first number of beams, and the third valve indicates the third number of beams, among the first number of beams, having better beam qualities than other beams in the first number of beams.
3 . The method of claim 2 , wherein: the first group comprises one of: a second number of beam qualities, the second number of beam qualities and a second number of beam IDs, or the second number of beam qualities and one beam ID; and the second group comprises one of: a third number of beam IDs, or the third number of beam IDs and a third number of beam qualities.
4 . The method of claim 3 , further comprising: determining bitwidth for the beam ID in the first group based on the second number of beams.
5 . The method of claim 3 , further comprising one of: determining bitwidth for the beam ID in the second group based on the first number of beams; or determining bitwidth for the beam ID in the second group based on the first number of beams and the second number of beams.
6 . The method of claim 3 , further comprising reporting the second number of beam qualities in the first group based on one of: absolutely reporting, based on absolute values of the second number of beam qualities; partially differential reporting, based on an absolute value of the best beam quality in the first group and differential values between the best beam quality in the first group and at least one of beam qualities other than the best beam quality in the first group; or fully differential reporting, based on differential values between the best beam quality in the second group and each of the second number of beam qualities.
7 . The method of claim 3 , further comprising: in accordance with a determination that the first group comprises no beam ID, sorting the second number of beam qualities in the first group based on an order of the second number of beam IDs corresponding to the second number of beam qualities.
8 . The method of claim 3 , further comprising: in accordance with a determination that the first group comprises one beam ID, sorting a part of the second number of beam qualities in the first group based on an order of beam IDs corresponding to the part of the second number of beam qualities.
9 . The method of claim 3 , wherein: the beam report further comprises a third number of first indications, and each of the third number of first indications indicates whether a corresponding beam in the second group overlaps with a beam in the first group.
10 . The method of claim 9 , further comprising: in accordance with a determination that the first indication indicates that the corresponding beam in the second group overlaps with the beam in the first group, padding a number of zeros in a beam ID in the second group that indicates the overlapped beam.
11 . The method of claim 3 , further comprising: in accordance with a determination that a beam quality in the second group indicates a predefined state, determining that a corresponding beam in the second group overlaps with a beam in the first group.
12 . The method of claim 11 , further comprising: in accordance with a determination that the bitwidth for the beam ID in the second group is larger than or equal to the bitwidth for the beam qualities in the second group, indicating the best beam quality in the second group using a number of Most Significant Bits (MSBs) or Least Significant Bits (LSBs) of the beam ID.
13 . The method of claim 3 , wherein: the beam report comprises a first part and a second part, and the first part comprises a second indicator indicating whether a corresponding beam indicated in the second group overlaps with a beam indicated in the first group.
14 . The method of claim 13 , wherein: the first part comprises the first group and the second part comprises the second group; or the first part comprises the second group and the second part comprises the first group.
15 . The method of claim 13 , wherein: if the second indicator indicates a corresponding beam indicated in the second group overlaps with a beam indicated in the first group, the second part comprises the first group, or if the second indicator indicates no beam indicated in the second group overlaps with a beam indicated in the first group, the second part comprises the first group and the second group.
16 . The method of claim 13 , wherein the first part further comprises a third indicator indicating a number of beams indicated in the second group that are overlapped with beams indicated in the first group.
17 . The method of claim 16 , wherein: the first part comprises the first group and the second part comprises the second group; the first part comprises the second group and the second part comprises the first group; or the second part comprises the first group and the second group.
18 . The method of claim 16 , further comprising: determining bitwidth for the third indicator based on the minimum between the third number and the second number; and in accordance with a determination that the second indicator indicates that no beam indicated in the second group overlaps with a beam indicated in the first group, padding the fourth indicator with one or more zeros.
19 . The method of claim 1 , wherein: the configuration information further comprises a second set of RS resources corresponding to a fourth number of beams and a third value, and the third value indicates the third number of beams, among the first number of beams, having better beam qualities than other beams in the first number of beams.
20 . (canceled)

Description

FIELD Embodiments of the present disclosure generally relate to the field of communication techniques, and in particular, to methods, devices and computer readable mediums for communication. BACKGROUND In the communication technology, there is a constant evolution ongoing in order to provide efficient and reliable solutions for utilizing wireless communication networks. Each new generation has its own technical challenges for handling different situations and processes that are needed to connect and serve devices connected to wireless networks. New technique based beam management, for example, Artificial intelligence/Machine learning (AI/MI) based beam management is proposed in new communication systems. However, various aspects of schemes related to the new technique-based beam management need to be further studied and improved. SUMMARY In general, example embodiments of the present disclosure provide methods, devices and computer readable mediums for communication. In a first aspect, there is provided a method for communication. The method comprises receiving, at a terminal device from a network device, configuration information on a beam report. The configuration information comprises a first set of reference signal (RS) resources corresponding to a first number of beams. The method further comprises generating, based on the configuration information, the beam report comprising a first group and a second group. The first group comprises beam information on a second number of beams and the second group comprises beam information on a third number of beams. The method further comprises transmitting the beam report to the network device. In a second aspect, there is provided a method for communication. The method comprises transmitting, at a network device to a terminal device, configuration information on a beam report. The configuration information comprises a first set of reference signal (RS) resources corresponding to a first number of beams. The method further comprise receiving, from the terminal device, the beam report generated based on the configuration information and comprising a first group and a second group. The first group comprises beam information on a second number of beams and the second group comprises beam information on a third number of beams. In a third aspect, there is provided a terminal device. The terminal device comprises a processor and a memory storing computer program code. The memory and the computer program code are configured to, with the processor, cause the terminal device to perform the method according to the first aspect above. In a fourth aspect, there is provided a network device. The network device comprises a processor and a memory storing computer program code. The memory and the computer program code are configured to, with the processor, cause the network device to perform the method according to the second aspect above. In a fifth aspect, there is provided a computer readable medium having instructions stored thereon. The instructions, when executed on at least one processor, cause the at least one processor to carry out the method according to the first aspect or the second aspect above. It is to be understood that the summary section is not intended to identify key or essential features of embodiments of the present disclosure, nor is it intended to be used to limit the scope of the present disclosure. Other features of the present disclosure will become easily comprehensible through the following description. BRIEF DESCRIPTION OF THE DRAWINGS Through the more detailed description of some example embodiments of the present disclosure in the accompanying drawings, the above and other objects, features and advantages of the present disclosure will become more apparent, wherein: FIG. 1 illustrates an example communication system in which some embodiments of the present disclosure can be implemented: FIG. 2A illustrates an example of an AI/ML model based on regression for predicting beams: FIG. 2B illustrates an example of an AI/ML model based on classification for predicting beams: FIG. 3A illustrates an example of an AI/ML model that the best beam in output does not overlap with any one beam in input: FIG. 3B illustrates an example of an AI/ML model that the best beam in output overlaps with a beam in input: FIG. 4 illustrates an example of input data group and output data group in accordance with some embodiments of the present disclosure: FIG. 5 illustrates a schematic diagram illustrating a process of beam reporting between a terminal device and a network device, in accordance with some embodiments of the present disclosure: FIG. 6 illustrates a flowchart of an example method implemented at a terminal device in accordance with some embodiments of the present disclosure; FIG. 7 illustrates a flowchart of an example method implemented at a network device in accordance with some embodiments of the present disclosure; and FIG. 8 illustrates a simplified block