The Multiuser Diversity with Constellation Selection Based on a MIMO Correlated Channels

TANG Lan; WANG Shu-xun; LIANG Ying-chang

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The Multiuser Diversity with Constellation Selection Based on a MIMO Correlated Channels

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- The Multiuser Diversity with Constellation Selection Based on a MIMO Correlated Channels
- Acta Electronica Sinica Vol. 33, Issue 4, Pages: 629-633(2005)
- 作者机构：
  
  1. 吉林大学通信工程学院,吉林,长春,130025
  2. Institute for Information Research Singapore,Singapore,119613
  3. 吉林大学通信工程学院吉林长春,130025
  4. Institute for Information Research Singapore119613Singapore
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911
- Published Online：25 April 2005，
  
  Published：2005
- 稿件说明：
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TANG Lan, WANG Shu-xun, LIANG Ying-chang. The Multiuser Diversity with Constellation Selection Based on a MIMO Correlated Channels[J]. Acta Electronica Sinica, 2005, 33(4): 629-633.
DOI：

TANG Lan, WANG Shu-xun, LIANG Ying-chang. The Multiuser Diversity with Constellation Selection Based on a MIMO Correlated Channels[J]. Acta Electronica Sinica, 2005, 33(4): 629-633. DOI：

摘要

在本篇文章中

我们研究基于MIMO虚拟信道表述的可变速率多用户分集技术.为实现慢衰落相关信道中的多用户分集

本文在发射端采用随机波束成形技术

并提出一种新的利用MIMO虚拟信道来产生随机波束成形矩阵的方法.同时

我们对期望用户的子信道采用自适应编码调制技术

以进一步提高系统性能.

Abstract

We study the multiuser diversity with constellation selection based on a virtual representation of realistic MIMO correlated channels.To realize multiuser diversity in slow fading correlated channels

We adopt random beamforming technique and propose to construct random beamforming matrix exploiting virtual channel representation.Simultaneously

adaptive coded modulation is applied to each sub-channel of the selected user to improve the system performance further.Two cases are considered:minimizing the BERs in each sub-channel and maximum the sum of data rate.

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