双向中继多用户网络中的联合信号空间对准与预编码

2012 Fourth International Conference on Intelligent Networking and Collaborative Systems Pub Date : 2012-09-19 DOI:10.1109/iNCoS.2012.55

Yong Wang, Liu Yang, Y. Ai, Hui Li, Weidong Zhang

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引用次数: 3

摘要

考虑了一种新的多用户双向传输网络，充分利用无线系统资源，保证传输可靠性，并辅以放大转发中继。在多址信道(MAC)阶段，采用信号空间对准技术，消除了多用户干扰。在广播信道(BC)阶段，设计了一种新的多输入多输出(MIMO)预编码矩阵来降低解码复杂度。仿真结果表明了系统的平均和速率性能，并对系统可实现的自由度进行了评价。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Joint Signal Space Alignment and Precoding in Two-Way Relay Multi-user Networks

A new multi-user two-way transmission network is considered to fully utilize wireless system resource, and ensure transmission reliability, with assistant of an amplify-and-forward relay. In multiple access channel (MAC) phase, signal space alignment technique is employed, which cancel the multi-user interference. In broadcast channel (BC) phase, a new multiple-input multiple-output (MIMO) precoding matrix is designed to reduce the decoding complexity. Simulation result shows the average sum rate performance of the proposed system, and the achievable the degrees of freedom is evaluated.

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2012 Fourth International Conference on Intelligent Networking and Collaborative Systems

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