CN-122002569-A - Network unit, terminal equipment and communication method

CN122002569ACN 122002569 ACN122002569 ACN 122002569ACN-122002569-A

Abstract

A network element, terminal device and communication method are disclosed, the network element comprising a transceiver and a processor coupled to the transceiver, wherein the processor is configured to receive an uplink reference signal of at least one terminal device group on a plurality of subcarriers, different terminal device groups associated with different inference tasks, determine subcarrier allocation information based on the uplink reference signal and a quality of service requirement of the at least one inference task, the subcarrier allocation information indicating subcarrier groups associated with each of the at least one inference task, the subcarrier groups comprising a portion of the subcarriers of the plurality of subcarriers, transmit subcarrier allocation information to the at least one terminal device group via the transceiver, receive a superposition signal on each of the subcarriers of the subcarrier groups via the transceiver, the superposition signal comprising an uplink signal of the terminal device group on the subcarriers, the superposition signal being used for updating a first global model used by the inference task associated with the subcarrier group.

Inventors

ZHANG CHENG
HUANG YONGMING
Zhang Manxun
DAI MINGZENG

Assignees

联想(北京)有限公司

Dates

Publication Date: 20260508
Application Date: 20260127

Claims (10)

1. A network element, the network element comprising: Transceiver and method for manufacturing the same A processor coupled to the transceiver, wherein the processor is configured to: Receiving uplink reference signals of at least one terminal equipment group on a plurality of subcarriers through the transceiver, wherein different terminal equipment groups are associated with different reasoning tasks; Determining subcarrier allocation information based on the uplink reference signal and the service quality requirement of the at least one inference task, wherein the subcarrier allocation information indicates subcarrier groups associated with each inference task in the at least one inference task, and the subcarrier groups comprise partial subcarriers in the plurality of subcarriers; Transmitting the subcarrier allocation information to the at least one terminal equipment group via the transceiver; And receiving, by the transceiver, a superposition signal on each subcarrier in the subcarrier groups, where the superposition signal includes an uplink signal of the terminal equipment group on the subcarrier, and the superposition signal is used for updating a first global model used by an inference task associated with the subcarrier groups.
2. The network element of claim 1, the processor configured to: Determining first transmission power information based on the uplink reference signal and a quality of service requirement of the at least one inference task, the first transmission power information including transmission power coefficients on the plurality of subcarriers in the at least one terminal device group; the first transmit power information is transmitted via the transceiver.
3. The network element of claim 2, the processor configured to: And under the single transmission power constraint and the total transmission power constraint of the at least one terminal equipment group, updating second transmission power information based on the uplink reference signal and the service quality requirement of at least one reasoning task, and determining the first transmission power information.
4. The network element of claim 1, the processor configured to: Determining a first beamforming vector based on the uplink reference signal and a quality of service requirement of the at least one inference task, wherein the first beamforming vector comprises the beamforming weights of the at least one terminal equipment group on the plurality of subcarriers; based on the first beamforming vector, spatially filtering the superimposed signals on each subcarrier in the subcarrier group to obtain an analog data stream corresponding to the subcarrier group; And updating the first global model based on the analog data stream corresponding to the subcarrier group.
5. The network element of claim 4, the processor configured to: and updating the second beamforming vector based on the uplink reference signal, the service quality requirement of the at least one reasoning task and interference information among subcarriers, and determining the first beamforming vector.
6. The network element of claim 1, the processor configured to: transmitting, via the transceiver, a capability query request, the capability query request including service description information of the at least one inference task; receiving capability information of a plurality of terminal devices via the transceiver, the capability information being related to the service description information, the at least one terminal device group including some or all of the plurality of terminal devices; determining configuration information related to the at least one inference task based on the service description information and the received capability information; And transmitting the configuration information to the plurality of terminal devices via the transceiver.
7. The network element of claim 6, wherein the configuration information comprises at least one of radio resource configuration information, computing resource reservation information, task configuration information, the task configuration information indicating a group of terminal devices associated with each of the at least one inference task; the service description information comprises at least one of an identification of an inference task, a service quality requirement, inference model information and network structure information; the capability information includes at least one of antenna configuration capability information, maximum transmit power budget information, local computing capability information, and available memory space information.
8. The network element of claim 1, the processor configured to: Transmitting, via the transceiver, a plurality of pilot configurations, different pilot configurations associated with different subcarriers; and receiving, by the transceiver, the uplink reference signal on a pilot configuration indicated by a pilot configuration associated with each subcarrier for each subcarrier in each subcarrier group.
9. A terminal device comprised in a first terminal device group, the first terminal device group being one of at least one terminal device group, the terminal device comprising: Transceiver and method for manufacturing the same A processor coupled to the transceiver, wherein the processor is configured to: transmitting, via the transceiver, uplink reference signals on a plurality of subcarriers; different terminal equipment groups are associated with different reasoning tasks; receiving subcarrier allocation information via the transceiver; the subcarrier allocation information indicates subcarrier groups associated with each reasoning task in the at least one reasoning task, and the subcarrier groups comprise partial subcarriers in the plurality of subcarriers; the subcarrier allocation information is determined based on the uplink reference signal and the service quality requirement of the at least one reasoning task; And the transceiver is used for transmitting uplink signals on each subcarrier in a first subcarrier group, the first subcarrier group is associated with a first reasoning task, the first reasoning task is associated with the first terminal equipment group, the uplink signals of the first terminal equipment group on the same subcarrier are used for determining superposition signals, and the superposition signals are used for updating a first global model used by the first reasoning task.
10. A method of communication, the method comprising: receiving uplink reference signals of at least one terminal equipment group on a plurality of subcarriers, wherein different terminal equipment groups are associated with different reasoning tasks; Determining subcarrier allocation information based on the uplink reference signal and the service quality requirement of the at least one inference task, wherein the subcarrier allocation information indicates subcarrier groups associated with each inference task in the at least one inference task, and the subcarrier groups comprise partial subcarriers in the plurality of subcarriers; Transmitting the subcarrier allocation information to the at least one terminal equipment group; And for each subcarrier group, receiving a superposition signal on each subcarrier in the subcarrier group, wherein the superposition signal comprises an uplink signal of the terminal equipment group on the subcarrier, and the superposition signal is used for updating a first global model used by an reasoning task associated with the subcarrier group.

Description

Network unit, terminal equipment and communication method Technical Field The present application relates to the field of mobile communications technologies, and in particular, to a network element, a terminal device, and a communication method. Background Federal learning (FEDERATED LEARNING, FL) is an architecture that supports a distributed terminal device co-training artificial intelligence (ARTIFICIAL INTELLIGENCE, AI) model. For the federal learning of multitasking, how to coordinate the resource allocation among a plurality of tasks and among a plurality of terminal devices, and improve the resource utilization efficiency and the training efficiency of an AI model in a multitasking scene is a technical problem to be solved urgently. Disclosure of Invention The application mainly provides a network unit, terminal equipment and a communication method, and the technical scheme of the application is realized as follows: In a first aspect, an embodiment of the application provides a network element comprising a transceiver and a processor coupled to the transceiver, wherein the processor is configured to receive, via the transceiver, uplink reference signals of at least one terminal device group on a plurality of sub-carriers, different terminal device groups being associated with different inference tasks, determine subcarrier allocation information based on the uplink reference signals and quality of service requirements of the at least one inference task, the subcarrier allocation information indicating sub-carrier groups associated with each of the at least one inference task, the subcarrier groups comprising part of the sub-carriers of the plurality of sub-carriers, transmit, via the transceiver, subcarrier allocation information to the at least one terminal device group, receive, via the transceiver, a superposition signal on each of the sub-carriers of the subcarrier groups, the superposition signal comprising an uplink signal of the terminal device group on the sub-carriers, the superposition signal being used for updating of a first global model used by the inference task associated with the subcarrier group. In some embodiments, the processor is configured to determine first transmit power information based on the uplink reference signal and a quality of service requirement of the at least one inference task, the first transmit power information comprising transmit power coefficients over a plurality of subcarriers in the at least one group of terminal devices, and transmit the first transmit power information via the transceiver. In some embodiments, the processor is configured to update the second transmit power information based on the uplink reference signal and the quality of service requirements of the at least one inference task under a single transmit power constraint and a total transmit power constraint of the at least one group of terminal devices, determining the first transmit power information. In some embodiments, the processor is configured to determine a first beamforming vector based on the uplink reference signal and a quality of service requirement of at least one inference task, the first beamforming vector including beamforming weights of at least one terminal device group on a plurality of subcarriers, spatially filter superimposed signals on subcarriers in the subcarrier group based on the first beamforming vector to obtain an analog data stream corresponding to the subcarrier group, and update the first global model based on the analog data stream corresponding to the subcarrier group. In some embodiments, the processor is configured to update the second beamforming vector based on the uplink reference signal, the quality of service requirement of the at least one inference task, and interference information between subcarriers, determine the first beamforming vector. In some embodiments, the processor is configured to send, via the transceiver, a capability query request, the capability query request including service description information of at least one inference task, receive, via the transceiver, capability information of a plurality of terminal devices, the capability information being related to the service description information, the at least one group of terminal devices including some or all of the plurality of terminal devices, determine, based on the service description information and the received capability information, configuration information related to the at least one inference task, and send, via the transceiver, the configuration information to the plurality of terminal devices. In some embodiments, the configuration information comprises at least one of radio resource configuration information, computing resource reservation information, task configuration information indicating a group of terminal devices associated with each of the at least one reasoning about tasks, the service description information comprises at least one of an identificatio