Method of transmitting and receiving messages in a communication network and corresponding device

By introducing an intermediate time mechanism in the communication network, the transmitting and receiving devices switch to the secondary frequency channel for transmission and reception when the primary frequency channel is busy. This solves the problems of communication delay and insufficient throughput caused by interference in the existing technology, and achieves more efficient resource utilization and low-latency communication.

CN122122808APending Publication Date: 2026-05-29TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Filing Date
2024-11-01
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing frequency hopping spread spectrum technology is difficult to effectively mitigate interference caused by other networks in communication networks, resulting in communication delays and insufficient throughput.

Method used

An intermediate time mechanism is introduced, in which the transmitting device switches to the secondary frequency channel for transmission when the primary frequency channel is busy, and the receiving device switches to the secondary frequency channel for reception when the primary frequency channel is busy. The secondary frequency channel follows the secondary frequency hopping pattern, and device synchronization is ensured through calculation or information exchange.

Benefits of technology

It reduces communication latency, improves the throughput and energy efficiency of the communication network, maintains the low duty cycle and synchronization of equipment, and reduces sensitivity to interference.

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Abstract

A method of transmitting a message by a transmitting device in a communication network, wherein the transmitting device is arranged to transmit on different frequency channels, and wherein primary time instants are assigned to the transmitting device according to a primary frequency hopping pattern for transmitting on different primary frequency channels, the method comprising the steps of: determining, by the transmitting device, that a first primary frequency channel is busy when the transmitting device is supposed to transmit on the first primary frequency channel; determining, by the transmitting device, that a first secondary frequency channel is idle at a first intermediate time instant occurring between a first primary time instant and a second primary time instant of the primary time instants, wherein the second primary time instant triggers the device to transmit on a second primary frequency channel; and transmitting, by the transmitting device, a message on the first secondary frequency channel at the first intermediate time instant.
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