Wireless sensor networks based on self-adaptive truncation opportunistic beamforming

SU Jia; ZHANG Shu

doi:10.13873/j.1000-97872010.08.027

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Wireless sensor networks based on self-adaptive truncation opportunistic beamforming

更新时间：2025-09-11

- Wireless sensor networks based on self-adaptive truncation opportunistic beamforming
- Vol. 29, Issue 8, Pages: 8-11(2010)
- 作者机构：
  
  哈尔滨工程大学信息与通信工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.08.027
  CLC： TN929.5;TP212.9
- Published：2010
- 稿件说明：
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[1]苏佳,张曙.基于自适应截断机会波束的无线传感器网络[J].传感器与微系统,2010,29(08):8-11.

SU Jia, ZHANG Shu. Wireless sensor networks based on self-adaptive truncation opportunistic beamforming[J]. 2010, 29(8): 8-11.
[1]苏佳,张曙.基于自适应截断机会波束的无线传感器网络[J].传感器与微系统,2010,29(08):8-11. DOI： 10.13873/j.1000-97872010.08.027.

SU Jia, ZHANG Shu. Wireless sensor networks based on self-adaptive truncation opportunistic beamforming[J]. 2010, 29(8): 8-11. DOI： 10.13873/j.1000-97872010.08.027.

摘要

衰落环境会造成无线传感器网络性能急剧下降

为了提高衰落通信信噪比

讨论了在单跳网络的中心节点设置多天线阵列

通过采用截断机会波束技术

并选择状态好的传感器节点来提高衰落信道性能的方案。分析了采用自适应机会波束后节点的反馈量以及信干噪比分布函数的变化

并对系统进行仿真

验证了自适应截断机会波束系统能够提高节点信干噪比和系统容量。

Abstract

The performance of wireless sensor networks is degrade dramatically by fading environment.To improve signal to noise ratio（SINR）.Multiple antennas array is set up in the central node of single-hop wireless sensor networks.Through adopting self-adaptive truncation opportunistic beamforming technique and selecting sensor nodes which are in good state

to improve characteristics of fading channel by simulating and analyzing the feedbacks and variation of SINR distribution

self-adaptive truncation opportunistic beamforming technique is proved can improve SINR and the system capacity.

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references

无线传感器网络虚MIMO技术研究 [J]. 唐文胜,匡旺秋,张鼎兴. 传感器与微系统 . 2008(09)

基于MIMO的节能无线传感器网络 [J]. 赵保华,李婧,张炜,屈玉贵. 电子学报 . 2006(08)

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