Full duplex relay timing method and device

A full-duplex and timing technology, applied in the field of mobile communication, can solve the problem of not applying the full-duplex IAB working mode, and achieve the effect of reducing transmission conflicts

Active Publication Date: 2022-02-25
CHINA ACADEMY OF INFORMATION & COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This application proposes a full-duplex relay timing method and equipment to solve the problem that the existing methods and equipment are not suitable for full-duplex IAB working mode, especially for cellular communication

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  • Full duplex relay timing method and device
  • Full duplex relay timing method and device

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Embodiment Construction

[0035] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0036] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0037] Fig. 1 (a) is the half-duplex mode of the embodiment of the IAB node operation mode, and Fig. 1 (b) is the full-duplex mode of the embodiment of the IAB node operation mode,...

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Abstract

The invention discloses a full-duplex relay timing method, which comprises the following steps that: a full-duplex relay node working mode: a base station working mode and / or a terminal working mode, wherein the terminal working mode comprises an IAB-MT-TX mode, an IAB-MT-RX1 mode and an IAB-MT-RX2 mode, and the base station working mode comprises an IAB-DU-TX mode, an IAB-DU-RX1 mode and an IAB-DU-RX2 mode; the IAB-MT-RX2 mode is used for receiving echo data of uplink data sent by the terminal mode; and the IAB-DU-RX2 mode is used for receiving echo data of downlink data sent by the base station mode. The invention further comprises a device applying the method. The problem that an existing method and device are not suitable for a full-duplex IAB working mode is solved, and the method and device are particularly suitable for a mobile communication network.

Description

technical field [0001] The present application relates to the technical field of mobile communication, in particular to a full-duplex relay timing method and device. Background technique [0002] In the 5G system, the integrated design of access and backhaul is introduced, and the nodes supporting backhaul are called IAB (Integrated Access and Backhaul, wireless repeater) nodes, which are also relay nodes. In the prior art, an IAB node cannot receive and send data at the same time. Therefore, the IAB node will include four working modes: IAB-MT-TX, IAB-MT-RX, IAB-DU-RX, and IAB-DU-RX. Since different modes correspond to different sending and receiving links, each The modes have an independent timing mechanism, and the symbols between different modes are not aligned, which will cause overlap. Therefore, switching between modes requires a guard interval to avoid transmission failure caused by transmission resources occupying conflicting symbols. Compared with half-duplex IAB...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/155H04L5/14H04W24/02H04W88/10
CPCH04B7/155H04W88/10H04L5/14H04W24/02Y02D30/70
Inventor 沈霞王志勤杜滢闫志宇焦慧颖刘晓峰魏贵明徐菲
Owner CHINA ACADEMY OF INFORMATION & COMM
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