Communication method and communication device

By using non-adjacent channels to send PPDUs in wireless communications, the problems of channel resource waste and interference are solved, and more efficient channel utilization and interference reduction are achieved.

CN120614699APending Publication Date: 2025-09-09HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202410278052.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-03-08
Publication Date
2025-09-09

AI Technical Summary

Technical Problem

In wireless communications, in the prior art, the main channel is busy, resulting in a waste of channel resources and an inability to effectively utilize other channels, causing interference in OBSS data packet transmission.

Method used

The first station receives the OBSS data packet on the first channel of the operating channel bandwidth and sends the PPDU on the second channel. The second channel is a non-adjacent channel and meets preset conditions to reduce interference, including that the center frequency difference is greater than or equal to the threshold and the transmission power limit.

Benefits of technology

This effectively reduces the interference of PPDU transmission on OBSS data packets, improves the utilization of channel resources, and reduces interference between channels.

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Abstract

The embodiment of the invention provides a communication method and a communication device, which can enable a first station to receive an OBSS data packet on a first channel of an operation channel bandwidth and send a PPDU on a second channel, and further can reduce the interference of the transmission of the PPDU on the transmission of the OBSS data packet. The communication method comprises: a first station receiving an overlapped basic service set (OBSS) data packet on a first channel of an operation channel bandwidth, the first channel comprising a first main channel; and the first station sends a layer protocol data unit (PPDU) on a second channel of the operation channel bandwidth, the transmission of the PPDU satisfies a preset condition, and the preset condition is used for reducing the interference of the transmission of the PPDU on the transmission of the OBSS data packet.
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