Apparatus and method for generating transmit and receive signals in wireless communication system

Patent metadata

Field	Value
Publication number	US-2026046607-A1
Application number	US-202219101753-A
Country	US
Kind code	A1
Filing date	Aug 8, 2022
Priority date	Aug 8, 2022
Publication date	Feb 12, 2026
Grant date	—

Abstract

The present disclosure may provide a method for operating a first device in a wireless communication system. The method may include receiving, by the first device, a capability information request for the first device from a second device, transmitting capability information of the first device to the second device, in case that the first device being a device equipped with a semantic communication capability based on the capability information of the first device, receiving semantic communication-related information from the second device, generating a semantic communication signal based on the semantic communication-related information, and transmitting the semantic communication signal to the second device. Herein, the semantic communication signal is related to share information, and an update of the share information may be performed based on an operation of a downstream task performed in the second device.

First claim

1 - 20 . (canceled)

21 . A method comprising:
receiving a synchronization signal block (SSB); performing synchronization based on the SSB; performing initial access based on the SSB; receiving a capability information request for a first device from a second device; transmitting capability information of the first device to the second device; in case that the first device being a device equipped with a semantic communication capability based on the capability information of the first device, receiving semantic communication-related information from the second device; generating a semantic communication signal based on the semantic communication-related information; and transmitting the semantic communication signal which is related to share information to the second device, wherein the share information is updated based on an operation of a downstream task performed in the second device.

22 . The method of claim 21 , wherein the semantic communication signal is used by the second device to perform the downstream task without being decoded to raw data that the first device uses to generate a representation.

23 . The method of claim 21 , wherein the capability information is information for determining whether the first device is capable of performing semantic communication, and the capability information includes a type of raw data, which the first device is capable of processing, and operation capability information of the first device.

24 . The method of claim 21 , wherein the semantic communication-related information includes at least one of a semantic data acquisition unit, a mini-batch size, an augmentation type and an augmentation ratio, or configuration information of an encoding model,
wherein the sematic data is data extracted from the raw data, and wherein the acquisition unit, the augmentation type and the augmentation ratio are determined based on share information of the first device and the second device.

25 . The method of claim 21 , wherein the update of the share information is performed by using contrastive learning.

26 . The method of claim 21 , further comprising:
acquiring semantic data from raw data; and generating augmentation data from the semantic data.

27 . The method of claim 26 , wherein the augmentation data is generated according to at least one of the augmentation type or the augmentation ratio that are determined based on the share information of the first device and the second device.

28 . The method of claim 27 , wherein the update of the share information is performed by using a transformed signal of the semantic communication signal, and
wherein the transformed signal is generated based on a data format that is used to perform the downstream task.

29 . The method of claim 21 , wherein the update of the share information is performed by using a transform head, and
wherein the transform head includes at least one dense layer and at least one non-linear function.

30 . The method of claim 21 , wherein the update of the share information is performed based on at least one result of learning for the downstream task.

31 . The method of claim 30 , wherein the learning for the downstream task is generated based on a first layer of the transform head and at least one layer that is determined to perform the downstream task.

32 . The method of claim 30 , wherein the learning for the downstream task includes a fine-tuning operation or a transfer-learning operation.

33 . The method of claim 32 , wherein the fine-tuning operation is performed for every network including a neural network, which is determined according to the downstream task, by using a weight of an encoder, a weight for an additional operation, and a weight for the first layer of the transform head, after pre-training is completed.

34 . The method of claim 32 , wherein the transfer-learning operation is performed for a multi-layer perceptron (MLP), which is added according to the downstream task, in a situation where the weight of the encoder, the weight for the additional operation, and the weight for the first layer of the transform head are fixed, after the pre-training is completed.

35 . The method of claim 21 , the semantic communication signal is transmitted in a layer for semantic communication.

36 . A method comprising:
receiving a synchronization signal block (SSB); performing synchronization based on the SSB; performing initial access based on the SSB; transmitting a capability information request to a first device; receiving capability information from the first device; in case that the first device being a device equipped with a semantic communication capability based on the capability information of the first device, transmitting semantic communication-related information to the first device; and receiving a semantic communication signal generated based on the semantic communication-related information from the first device, wherein the semantic communication signal is related to share information, and wherein an update of the share information is performed based on an operation of a downstream task performed in a second device.

37 . A first device comprising:
a transceiver; and a processor coupled with the transceiver, wherein the processor is configured to: receive a synchronization signal block (SSB); perform synchronization based on the SSB; perform initial access based on the SSB; receive a capability information request for the first device from a second device, transmit capability information of the first device to the second device, in case that the first device being a device equipped with a semantic communication capability based on the capability information of the first device, receive semantic communication-related information from the second device, generate a semantic communication signal based on the semantic communication-related information, and transmit the semantic communication signal to the second device, wherein the semantic communication signal is related to share information, and wherein an update of the share information is performed based on an operation of a downstream task performed in the second device.

38 . The first device of claim 37 , wherein the semantic communication signal is used by the second device to perform the downstream task without being decoded to raw data that the first device uses to generate a representation.

39 . The first device of claim 37 , wherein the capability information is information for determining whether the first device is capable of performing semantic communication, and the capability information includes a type of raw data, which the first device is capable of processing, and operation capability information of the first device.

40 . The first device of claim 37 , wherein the semantic communication-related information includes at least one of a semantic data acquisition unit, a mini-batch size, an augmentation type and an augmentation ratio, or configuration information of an encoding model,
wherein the sematic data is data extracted from the raw data, and wherein the acquisition unit, the augmentation type and the augmentation ratio are determined based on share information of the first device and the second device.

Assignees

• Lg Electronics Inc

Inventors

• Jung Ikjoo
• Lee Sangrim
• Jeon Ki Jun
• Lee Tae Hyun

Classifications

• H04W8/24

  Transfer of terminal data · CPC title

• 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

• H04W8/22 Primary

  Processing or transfer of terminal data, e.g. status or physical capabilities · CPC title

• H04W76/10

  Connection setup · CPC title

• H04W88/02

  Terminal devices · CPC title