基于3位反馈系统的分布式发射波束形成

2010 IEEE 11th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) Pub Date : 2010-06-20 DOI:10.1109/SPAWC.2010.5670903

W. Tushar, David B. Smith

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引用次数: 19

摘要

针对无线传感器网络中的静态信道和时变信道，提出了一种分布式发射波束形成技术。该算法基于一个迭代过程，该过程同步发射器以相干地向接收器发送公共消息信号，在每个时隙中使用3位反馈。结果表明，接收功率随着发射机数量的增加呈二次增长，与1位反馈系统和无反馈系统相比，接收功率有显著提高。

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Distributed transmit beamforming based on a 3-bit feedback system

A distributed transmit beamforming technique is developed for both a static and a time-varying channel in a wireless sensor network. This algorithm is based on an iterative procedure that synchronizes the transmitters to send a common message signal coherently to the receiver, using a 3-bit feedback in each timeslot. Results show that the received power increases quadratically with number of transmitters, and there is a substantially improved performance over a 1-bit feedback system and system without feedback.

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来源期刊

2010 IEEE 11th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)

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