Communication method, communication system, and related apparatus

By transmitting information on a sparse frequency grid and combining it with time-domain window indication, the contradiction between the network access experience of terminal devices and the power consumption of network devices in communication systems is resolved, achieving the effect of reducing the power consumption of network devices while ensuring the network access experience.

WO2026145241A1PCT designated stage Publication Date: 2026-07-09HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
HUAWEI TECH CO LTD
Filing Date
2025-12-25
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

In existing communication systems, there is a contradiction between the network access experience of terminal devices and the energy consumption of network devices. How to reduce the energy consumption of network devices while ensuring the network access experience is an urgent problem to be solved.

Method used

By sending and receiving information on a sparse frequency grid, and only interacting when a signal needs to be transmitted, the transmission of always-on signals is avoided. Combined with time-domain windows and frequency location indications, synchronization and signal transmission between network devices and terminal devices are achieved.

Benefits of technology

It effectively reduces the energy consumption of network equipment and the detection overhead of terminal equipment, while ensuring the network access experience of terminal equipment and not affecting the normal operation of synchronization and access processes.

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Abstract

The present application discloses a communication method, a communication system, and a related apparatus. The communication method comprises: a first communication apparatus sends, at a first frequency position, first information to a second communication apparatus, the first information being used for indicating that the first communication apparatus has a first signal to be sent, the first frequency position being determined on the basis of a first frequency raster, the first frequency raster comprising a plurality of frequency positions, and a frequency interval between two adjacent frequency positions among the plurality of frequency positions being greater than a first threshold; and the first communication apparatus sends the first signal to the second communication apparatus. Embodiments of the present application can reduce the energy consumption of a network device and a terminal device while ensuring the network access experience of the terminal device.
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