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Transmission method, mobile communication terminal and network side device

A technology of mobile communication terminal and network side equipment, applied in the field of communication, to achieve the effects of reducing signaling indication overhead, reducing storage capacity requirements, and reducing complexity

Active Publication Date: 2019-04-09
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there is no conclusion on how to design and use the MCS table in 5G NR. Therefore, it is necessary to propose a plan for the design and use of the MCS table

Method used

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  • Transmission method, mobile communication terminal and network side device
  • Transmission method, mobile communication terminal and network side device
  • Transmission method, mobile communication terminal and network side device

Examples

Experimental program
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Embodiment Construction

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0042] See figure 1 , figure 1 Is a flowchart of a transmission method provided by an embodiment of the present invention, such as figure 1 As shown, including the following steps:

[0043] Step 101: Receive a modulation and coding strategy index sent by a network side device;

[0044] The transmission method provided by the embodiment of the present invention is applied to a mobile communication terminal, and is used to control a modulation and coding method for ...

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Abstract

The invention provides a transmission method, a mobile communication terminal and a network side device. The transmission method applied to a mobile communication terminal includes the following steps: receiving a modulation coding scheme index sent by a network side device; determining a first modulation coding mode corresponding to the modulation coding scheme index sent by the network side device according to the mapping relationship between modulation coding scheme indexes and modulation coding modes, wherein the mapping relationship corresponds to the highest-level modulation coding modesupported by the network side device; when the mobile communication terminal does not support the first modulation coding mode, selecting a second modulation coding mode supported by the mobile communication terminal from the modulation coding modes recorded in the mapping relationship; and using the second modulation coding mode to transmit uplink data. The embodiments of the invention provide adesign and a use of an MCS (Modulation Coding Scheme) table which only needs to save one mapping relationship on the network side and the mobile communication terminal side.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to a transmission method, a mobile communication terminal and a network side device. Background technique [0002] The quality of the wireless channel will affect the performance of the communication system, and the signal-to-noise ratio plays an important role as an index to measure the quality of the wireless channel. Generally, it is not enough for the mobile communication terminal to notify the network side of the signal-to-noise ratio, and it needs to feed back possible modulation methods. In the LTE communication system, in order to save signaling overhead, the terminal only reports the CQI (Channel Quality Indicator, channel quality indicator) index as a preliminary basis for the network side to judge the wireless channel quality, and the network side obtains a 5-bit MCS (Modulation Coding Scheme (modulation and coding strategy) index, and then determine the modula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
CPCH04L1/0003H04L1/0004
Inventor 刘昊孙鹏
Owner VIVO MOBILE COMM CO LTD