计算机科学 ›› 2006, Vol. 33 ›› Issue (11): 10-13.

• 计算机网络与信息安全 • 上一篇    下一篇

一种自适应跨层空间子信道分配算法——基于多用户MIMO/OFDM系统

卢小峰 朱光喜 宁国勤 韩锋   

  1. 华中科技大学电信系,武汉430074
  • 出版日期:2018-11-17 发布日期:2018-11-17
  • 基金资助:
    国家自然科学基金资助项目(60496315)、国家“863”计划资助项目(2003AA12331005).

LU Xiao-Feng, ZHU Guang-Xi ,NING Guo-Qin ,HAN Feng (Dept. of Electronic and Information Engineering, HUST, Wuhan 430074)   

  • Online:2018-11-17 Published:2018-11-17

摘要: MIMO/OFDM是未来宽带无线通信接口的有效架构。本文提出了一种自适应跨层空间子信道分配算法,在多用户MIMO/OFDM系统中,联合链路层截短ARQ(T-ARQ)技术,以获取物理层最大的系统吞吐量为目标,推导了子载波分配准则,并给出了相应的算法流程。仿真结果表明,该算法具有良好的性能,有效地提高了系统的传输速率。

关键词: MIMO/OFDM(多入多出/正交频分复用) 自适应空间子道分配 跨层 吞吐量

Abstract: MIMO/OFDM is an effective architecture for future wireless communication systems. An adaptive cross-layer spatial subchannel allocation algorithm based on multiuser MIMO/OFDM systems is proposed in this paper. With the goal of maximizing overall data thro

Key words: MIMO/OFDM(multiple-input multiple-output/orthogonal frequency-division multiplexing), Adaptive spatial subchannel allocation,Cross-layer,Data throughput

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