A Distributed Multi-Antenna Space Hopping Transceiver Technique(Ⅰ)

doi:10.7652/xjtuxb201301001

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A Distributed Multi-Antenna Space Hopping Transceiver Technique(Ⅰ)

更新时间：2025-07-09

- A Distributed Multi-Antenna Space Hopping Transceiver Technique(Ⅰ)
- Vol. 47, Issue 1, Pages: 1-6+42(2013)
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb201301001
  CLC： TN918.91
- Online First：10 January 2013，
  
  Published：2013
- 稿件说明：
移动端阅览
A Distributed Multi-Antenna Space Hopping Transceiver Technique(Ⅰ)[J]. 2013, 47(1): 1-6+42.
DOI：

A Distributed Multi-Antenna Space Hopping Transceiver Technique(Ⅰ)[J]. 2013, 47(1): 1-6+42. DOI： 10.7652/xjtuxb201301001.

摘要

为了解决无线通信中的安全保密性问题

针对传统的跳频扩频方案存在的技术实现上的困难和无线频谱资源匮乏的矛盾

对信号能量在空间的分布进行了研究

结果表明:在多天线收发数字无线通信中

各处的信号空谱是不同的

这说明无线通信不仅有频谱资源还有更为丰富的空谱资源。据此

提出一种分布式多天线跳空收发方案——0/1式跳空技术。该技术利用发端跳空图案

通过训练得到收端多天线接收加权跳空图案

从而无需确知收发两端的阵列流型

也无需求解复杂的多径信道

就能得到规整的星座图。仿真实验验证了0/1跳空收发技术方案的优越性和安全保密性。

Abstract

Since traditional solutions like frequency hopping spread spectrum technique not only are technically difficult to implement but also make the frequency resources shortage even more critical

researches on signal's energy distribution over space are conducted to achieve secure wireless communications. The results indicate that space spectrum varies from location to location in multi-antenna transceiver wireless communications systems

which implies that plentiful space spectrum resources rather than frequency spectrum resources can be taken into account in secure wireless communications. Based on this point of view

a distributed multi-antenna space hopping transceiver technique—0/1 space hopping technique is proposed. In correspondence to the space hopping pattern at the transmitter

weights are obtained at the receiver via training

so that a regular constellation can be obtained at the receiver without either to know a prior the array manifold or to solve the sophisticated multichannel. Some simulation results are presented and analyzed to evaluate the performance of the proposed technique.

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references

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穆鹏程, 殷勤业. 空谱的描述与定义 [M]∥10 000个科学难题: 信息科学卷. 北京: 科学出版社, 2011: 449-451.

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