New MCS rule of adaptive modulation and its application

Chen Fatang; Tao Genlin

doi:10.13756/j.gtxyj.2010.06.008

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New MCS rule of adaptive modulation and its application

- New MCS rule of adaptive modulation and its application
- Study on Optical communication Issue 6, Pages: 54-57(2010)
- 作者机构：
  
  重庆邮电大学通信与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2010.06.008
  CLC： TN929.5
- Published：2010，
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[1]陈发堂,陶根林.自适应调制的MCS新准则及其应用[J].光通信研究,2010(06):54-57.

Chen Fatang, Tao Genlin. New MCS rule of adaptive modulation and its application. [J]. (6):54-57(2010)
[1]陈发堂,陶根林.自适应调制的MCS新准则及其应用[J].光通信研究,2010(06):54-57. DOI： 10.13756/j.gtxyj.2010.06.008.

Chen Fatang, Tao Genlin. New MCS rule of adaptive modulation and its application. [J]. (6):54-57(2010) DOI： 10.13756/j.gtxyj.2010.06.008.

摘要

为了解决传统调制编码方案（MCS）选择准则对于性能提高的有限性

文章提出了一种新的MCS选择准则

并将其应用到自适应调制编码（AMC）的长期演进（LTE）系统。新准则用加权后的信噪比（SNR）为AMC系统确定合适的MCS。仿真结果表明

当吞吐量为2.8 bit/symbol时

新准则能够比两步预测准则带来2 dB的好处。将新准则应用到AMC-LTE系统

不仅在保证误码率（BER）性能的情况下补偿了由于信道时变引起的性能下降

而且也最大化了系统吞吐量。

Abstract

In order to solve the problem that the traditional Modulation and Coding Scheme（MCS） selecting rule improves the performance limitedly

this paper introduces a novel MCS selection criterion for the LTE system supporting an Adaptive-Modulation and Coding（AMC） scheme.The proposed criterion uses the sum of the weighted SNRs to determine the appropriate MCS for the AMC system.The simulation shows that when the throughput is 2.8 bit / symbol

the new rule brings the benefits of 2dB than the two-step rule

the proposed criterion applied to the AMC-LTE systems not only compensates for the channel variation over the slot duration to guarantee the required BER performance

but also maximizes the system throughput.

关键词

自适应调制编码长期演进调制编码方案选择准则

Keywords

Adaptive Modulation and Coding（AMC）LTEModulation and Coding Scheme（MCS）selection criterion

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