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A data transmission method and communication device

A data transmission method and technology of communication equipment, applied in the field of data transmission method and communication equipment, can solve the problems of affecting communication efficiency, increasing delay, and large delay, etc.

Active Publication Date: 2021-08-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the biggest feature of satellite communication is the large transmission distance and large delay, if you continue to use the HARQ transmission mechanism in LTE, the delay will increase exponentially, seriously affecting the efficiency of communication

Method used

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  • A data transmission method and communication device
  • A data transmission method and communication device
  • A data transmission method and communication device

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Experimental program
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Embodiment Construction

[0052] Embodiments of the present application are described below with reference to the drawings in the embodiments of the present application.

[0053] figure 1 It is a schematic diagram of a communication system provided by the embodiment of this application. The communication system 100 may include at least one network device 101 (only one is shown) and one or more terminal devices 102 connected to the network device 101 .

[0054] The network device 101 can communicate wirelessly with the terminal device 102 through one or more antennas. Each network device 101 can provide communication coverage for its corresponding coverage area 103 . The coverage area 103 corresponding to the network device 101 may be divided into multiple sectors (sectors), wherein one sector corresponds to a part of the coverage area (not shown).

[0055] In the embodiment of the present application, the network device 101 may be a terrestrial base station or a non-terrestrial base station. Among ...

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Abstract

The present application discloses a data transmission method and a communication device, wherein the method includes: the first communication device determines a target data transmission mode, and the target data transmission mode is used to instruct the first communication device to transmit a combination of codes to the second communication device The number of times and the coding combination of each transmission, wherein, the coding combination of each transmission can include one or more coded bit sequences, and the coded bit sequence mentioned here is to encode all or part of the information bits in the K information bits obtained, K is a positive integer; the first communication device sends the coded combination to the second communication device according to the target data transmission mode, and the second communication device receives the coded combination sent by the first communication device, and performs the coded bit sequence included in the coded combination decoding. The embodiment of the present invention can adaptively select a data transmission mode, and has wider applicability, not only applicable to ground base stations, but also applicable to satellite communication, and can take into account both communication reliability and transmission efficiency.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a data transmission method and a communication device. Background technique [0002] Satellite base stations can provide wider coverage and are not easily damaged by natural disasters or external forces. In the future, if 5G communication is introduced into satellite communication, it can provide communication services for areas such as oceans and forests that cannot be covered by ground communication networks, and enhance the reliability of 5G communication. For example, to ensure that airplanes, trains, and users on these transportations obtain better communication services. Provide more data transmission resources for 5G communication and increase the speed of the network. Therefore, supporting both ground and satellite communications is an inevitable trend of future 5G communications. It has great benefits in terms of wide coverage, reliability,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0057H04B7/1851H04B7/18504H04L1/0009H04L1/0041H04L1/08H03M13/13H03M13/6306H04L1/1607H04L1/0016H04B7/18513H04L1/0029H04L1/003H04L1/0043
Inventor 陈莹余荣道乔云飞罗禾佳李榕
Owner HUAWEI TECH CO LTD