Receiver scheme of rake equalization for 60GHz pulse communication system

Xian CHEN; Xuehua LI

doi:10.11959/j.issn.1000-0801.2016011

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Receiver scheme of rake equalization for 60GHz pulse communication system

Ressearch and development | 更新时间：2024-06-05

- Receiver scheme of rake equalization for 60GHz pulse communication system
- Telecommunications Science Vol. 32, Issue 1, Pages: 76-81(2016)
- 作者机构：
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- DOI：10.11959/j.issn.1000-0801.2016011
  CLC： TN914
- Published Online：2016-01，
  
  Published：20 January 2016
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Xian CHEN, Xuehua LI. Receiver scheme of rake equalization for 60GHz pulse communication system[J]. Telecommunications science, 2016, 32(1): 76-81.
DOI：

Xian CHEN, Xuehua LI. Receiver scheme of rake equalization for 60GHz pulse communication system[J]. Telecommunications science, 2016, 32(1): 76-81. DOI： 10.11959/j.issn.1000-0801.2016011.

摘要

60GHz脉冲通信环境中的多径衰落问题使信号能量发生弥散并产生符号间干扰（ISI）。针对这一问题，分析了系统中ISI的严重程度，并研究了消除干扰的解决方法。在IEEE 802.15.3c工作组建立的60GHz无线信道模型基础上，搭建了60GHz 脉冲通信系统仿真平台，对系统中的ISI 进行了理论分析与数值仿真，设计了一种Rake接收机联合均衡器的接收方案。研究结果表明，采用两径MRC-Rake接收模块并联合MMSE线性均衡模块，既可获得多径分集增益又能有效处理ISI，在不增加过多复杂度的同时提高了系统性能。为今后60GHz脉冲通信系统接收方案的设计提供了技术参考。

Abstract

Dispersion of the signal energy and the inter symbol interference（ISI）is caused by the multipath fading in 60GHz pulse communication environment.To solve this problem

the severity of the ISI in the system was analyzed

and the method to eliminate interference was studied.Based on the 60GHz wireless channel model established by IEEE 802.15.3c

the simulation platform of 60GHz pulse communication system was built.Theoretical analysis and numerical simulation of ISI in the system were carried out

and a receiver scheme of combining Rake receiver and equalizer was designed.Results show that

the two taps MRC-Rake receiver module combined with MMSE linear equalization module can not only improve the signal energy by multipath diversity

but also eliminate ISI.The performance of the system was improved without increasing the complexity.The scheme provides a reference for the design of 60GHz pulse communication system in the future.

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references

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