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Data transmission method, base station and user device

A data transmission method and user equipment technology, which is applied in the field of data transmission methods, base stations and user equipment, and can solve problems affecting system throughput and effective coding rate reduction, etc.

Active Publication Date: 2014-01-22
HUAWEI DEVICE CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a data transmission method, base station and user equipment, so as to solve the problem that the base station transmits data to the UE through the transmission block determined according to the existing TBS table, resulting in a decrease in the effective coding rate and affecting the system throughput.

Method used

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  • Data transmission method, base station and user device
  • Data transmission method, base station and user device
  • Data transmission method, base station and user device

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Embodiment Construction

[0073] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0074] figure 1 It is a method flowchart of Embodiment 1 of the data transmission method of the present invention, such as figure 1 As shown, the data transmission method of this embodiment includes:

[0075] 101. The base station determines a coding and modulation level.

[0076] When the base station sends service data to the user equipment (English full name: User Equipment, referr...

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Abstract

Embodiments of the invention provide a data transmission method, a base station and a use device. The data transmission method comprises: the base station determines a code modulation level and the number of physical resource block pairs, selects a transmission big / small table from a first transmission block big / small table and a second transmission big / small table, and determines relative transmission block big / small TBS, to make the base station transmit data to UE based on the selected TBS in the second transmission block big / small table, thereby enhace coding rate.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a data transmission method, a base station, and user equipment. Background technique [0002] In the long-term evolution system version 8 (English full name: Long Term Evolution Release.8REL.8, referred to as LTE REL.8) to LTE REL.11 system, the channel from the base station to the user equipment (English full name: User Equipment, referred to as UE) The state determines the throughput from the base station to the UE. In a good channel state, the base station can transmit data to the UE using a higher level of coding and modulation (English full name: Modulation and Coding Scheme, MCS for short), and the throughput of the system is relatively low. In poor channel conditions, in order to control the bit error rate during data transmission, the base station can use a relatively low MCS level to transmit data to the UE. The encoding rate and MCS level used to ...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04W28/06
CPCH04L1/0003H04L1/0006H04L1/0009H04L1/0025H04L1/0007H04L1/0015H04L5/0005H04L5/0046H04L5/0053H04W72/20H04W16/26
Inventor 王键
Owner HUAWEI DEVICE CO LTD
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