Physical layer abstraction for MIMO MLD

ZHANG Jin-bao1; ZHENG Hong-ming2; TAN Zhen-hui1; XIONG Lei1

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Physical layer abstraction for MIMO MLD

更新时间：2024-10-14

- Physical layer abstraction for MIMO MLD
- Vol. 30, Issue 11, Pages: 1-7(2009)
- 作者机构：
  
  1. 北京交通大学轨道交通控制与安全国家重点实验室
  2. 东南大学移动通信国家重点实验室
  3. 英特尔中国研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.3
- Published：2009
- 稿件说明：
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ZHANG Jin-bao1, ZHENG Hong-ming2, TAN Zhen-hui1, et al. Physical layer abstraction for MIMO MLD[J]. 2009, 30(11): 1-7.
DOI：

ZHANG Jin-bao1, ZHENG Hong-ming2, TAN Zhen-hui1, et al. Physical layer abstraction for MIMO MLD[J]. 2009, 30(11): 1-7. DOI：

摘要

物理层抽象的目的是对实时无线信道质量进行预测。对MIMO系统的物理层抽象算法的研究表明

EESM算法能够准确地估计使用MMSE检测的MIMO系统的无线信道质量;但是对于MLD

EESM完全不能工作。针对EESM的不足

基于信息论原理

提出了RBIR物理层抽象算法。WiMAXIIDL环境下的仿真结果显示

RBIR物理层抽象算法极大改善了MIMOMLD物理层抽象的准确性。

Abstract

Physical layer abstraction aims to evaluate the instantaneous quality of wireless channel.Researches on physical layer abstraction for MIMO system have demonstrated that

EESM algorithm can accurately evaluate channel quality for MIMO system with MMSE detection.However when it comes to MLD

EESM turns invalid.To the question of EESM algorithm

RBIR based physical layer abstraction was proposed from the view of information theory.Simulation results based on WiMAX II DL system show that

the proposed algorithm has improved the accuracy of physical layer abstraction for MIMO system with MLD greatly.

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