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A communication method, terminal, network device and storage medium

A technology of terminal equipment and communication method, applied in the field of communication, can solve the problems of long RTT and the inability of terminal equipment to complete time advance processing, and achieve the effect of ensuring orthogonality

Active Publication Date: 2022-05-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For the satellite communication system, the RTT is long, which will cause the terminal device to be unable to complete the time advance processing within the existing uplink transmission time.

Method used

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  • A communication method, terminal, network device and storage medium
  • A communication method, terminal, network device and storage medium
  • A communication method, terminal, network device and storage medium

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Embodiment Construction

[0076] Embodiments of the present application are described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Those of ordinary skill in the art know that, with the development of technology and the emergence of new scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0077] Embodiments of the present application provide a communication method, terminal equipment, network equipment, and storage media. The terminal equipment adjusts the uplink transmission time according to the acquired target adjustment information and TA, so as to ensure that the terminal equipment completes operations such as time advance and signal processing, and ensures uplink transmission time. Orthogonality. Each will be described in detail below.

[0078] The terms "first", "second" an...

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Abstract

The present application discloses a communication method, including: a terminal device acquires a first message, and the first message carries target adjustment information. The terminal device acquires the second message, where the second message carries the timing advance TA. The terminal device adjusts the uplink sending time according to the target adjustment information and TA. The embodiment of the present application also provides corresponding terminal equipment, network equipment, and storage media. The embodiment of the present application can flexibly adjust the uplink transmission time according to the target adjustment information, so as to ensure that the terminal equipment completes operations such as time advance and signal processing, and guarantees uplink orthogonality.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method. Background technique [0002] In a wireless communication system, in order to ensure the orthogonality of uplink transmission and avoid intra-cell interference, it is required that the arrival times of uplink signals from different terminal devices to network devices are basically aligned. Therefore, the network device sends a time advance (time advance, TA) to the terminal device, and the terminal device adjusts the time for sending an uplink signal according to the received TA, thereby realizing uplink timing synchronization between the terminal device and the network device. Usually, the timing advance is twice the amount of transmission time, which is also called round trip time (RTT). In order to ensure the orthogonality of uplink transmission, after receiving downlink data, the terminal device generally waits for several time slo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W56/00
CPCH04W56/0045H04B7/1851
Inventor 孔垂丽张公正乔云飞杜颖钢
Owner HUAWEI TECH CO LTD