通信学报 ›› 2014, Vol. 35 ›› Issue (12): 36-44.doi: 10.3969/j.issn.1000-436x.2014.12.005

• 学术论文 • 上一篇    下一篇

MIMO无线通信系统总体资源效率测度方法研究

刘金铸1,2,沈连丰1   

  1. 1 东南大学 移动通信国家重点实验室,江苏 南京 210096
    2 南京信息工程大学 电子信息工程学院,江苏 南京 210044
  • 出版日期:2014-12-25 发布日期:2017-06-17
  • 基金资助:
    国家科技重大专项基金资助项目;国家自然科学基金资助项目;国家自然科学基金资助项目;江苏省科技型企业技术创新基金资助项目

Method of overall resource efficiency measure of MIMO wireless communications

Jin-zhu LIU1,2,Lian-feng SHEN1   

  1. 1 National Mobile Communications Research Laboratory,Southeast University,Nanjing 210096,China
    2 School of Electronic and Information Engineering,Nanjing University of Information Science and Technology,Nanjing 210044,China
  • Online:2014-12-25 Published:2017-06-17
  • Supported by:
    The Important National Science & Technology Specific Projects;The National Natural Science Foundation of China;The National Natural Science Foundation of China;The Innovation Technology Found of Jiangsu Province

摘要:

提出一种通信系统总体资源效率测度的一般模型,以此为基础给出多输入多输出(MIMO)无线通信系统总体资源效率测度的具体方法。理论分析及实际测度结果表明,虽然MIMO系统由于充分利用空间资源,其归一化带宽与归一化信噪比需求相对较小,但是,就目前实现的 MIMO 系统而言,若与基本的加性白高斯噪声(AWGN)信道下实际通信系统相比,其总体资源效率更低,与系统潜在能力的差距更大。

关键词: MIMO无线通信系统, 归一化带宽, 归一化信噪比, 资源需求平面, 总体资源效率

Abstract:

A general mode of overall resource efficiency measure of communication systems is proposed.Based on it,the specific method of overall resource efficiency measure of multiple input multiple output (MIMO) wireless communica-tion systems is presented.The theory analysis and practice measure results show that although the requirements of the normalized bandwidth and the normalized signal noise ratio (SNR) of MIMO systems are relatively small due to the utilization of the space resource,but the overall resource efficiencies of the existing MIMO systems are low,and the gaps between their performances and their potential capacities are large,when compared to that of the existing communication systems under the basic additive white Gaussian noise (AWGN) channel.

Key words: MIMO wireless communication system, normalized bandwidth, normalized signal noise ratio, resource re-quirement plane, overall resource efficiency