A Block-Ordered Joint Beamforming Linear Dispersion Code and Its Decoding

JIN Jiang; WANG Jun-fang; ZHU Guang-xi

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A Block-Ordered Joint Beamforming Linear Dispersion Code and Its Decoding

更新时间：2025-07-16

- A Block-Ordered Joint Beamforming Linear Dispersion Code and Its Decoding
- Acta Electronica Sinica Vol. 35, Issue 6A, Pages: 93-97(2007)
- 作者机构：
  
  1. 武汉光电国家实验室, 华中科技大学电子与信息工程系,湖北,武汉,430074
  2. 烽火通信科技股份有限公司,湖北,武汉,430074
  3. 武汉光电国家实验室华中科技大学电子与信息工程系,湖北,武汉,430074
  4. 烽火通信科技股份有限公司,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.5
- Published：2007
- 稿件说明：
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JIN Jiang, WANG Jun-fang, ZHU Guang-xi. A Block-Ordered Joint Beamforming Linear Dispersion Code and Its Decoding[J]. Acta Electronica Sinica, 2007, 35(6A): 93-97.
DOI：

JIN Jiang, WANG Jun-fang, ZHU Guang-xi. A Block-Ordered Joint Beamforming Linear Dispersion Code and Its Decoding[J]. Acta Electronica Sinica, 2007, 35(6A): 93-97. DOI：

摘要

针对多入多出(MIMO)相关信道

提出联合波束成型分组排序线性离散码(BO-JBLDC)及其解码方法.发送天线被分割成多个组

每组进行独立的线性离散码(LDC)编码来获得空分复用增益.采用发送和接收特征波束成型降低信道相关性的影响.提出新的后排序分组干扰抑制与抵消解码方法及其循环迭代机制

消除组间干扰

使得各组均获得满接收分集增益.结果显示BO-JBLDC能获得高频谱效率并适用于任意天线配置

尤其在大天线数、高速率情况下可以明显降低解码复杂度

提高编码增益.

Abstract

A spectrum-efficient block-ordered joint beamforming linear dispersion code(BO-JBLDC) is presented for MIMO(Multi-Input Multi-Output) wireless communication systems with correlated channels.The proped BO-JBI-DC method partitions the available transmit antennas into several blocks and applies linear dispersion code(LDC) on each block

which can decrease decoding complexity and increase code gain.Transmit and receive eigen-beamfomting was employed in the presence of deteriotative fading correlation.A novel post-ordered interference suppression and canceling decoder and its iterative scheme are presented to remove inter-substream interference and enhance the order of spatial diversity gain.The results show that BO-JBLDC can lower decodine comnlexitv and imrnuve spectral efficiency and reliability simificantly.

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