Collaborative beamforming for distributed wireless ad hoc sensor networks

Hideki Ochiai; Patrick Mitran; H. Vincent Poor; Vahid Tarokh

doi:10.1109/TSP.2005.857028

Collaborative beamforming for distributed wireless ad hoc sensor networks

Hideki Ochiai, Patrick Mitran, H. Vincent Poor, Vahid Tarokh

Research output: Contribution to journal › Article › peer-review

546 Scopus citations

Abstract

The performance of collaborative beamforming is analyzed using the theory of random arrays. The statistical average and distribution of the beampattern of randomly generated phased arrays is derived in the framework of wireless ad hoc sensor networks. Each sensor node is assumed to have a single isotropic antenna and nodes in the cluster collaboratively transmit the signal such that the signal in the target direction is coherently added in the far-field region. It is shown that with N sensor nodes uniformly distributed over a disk, the directivity can approach N, provided that the nodes are located sparsely enough. The distribution of the maximum sidelobe peak is also studied. With the application to ad hoc networks in mind, two scenarios (closed-loop and open-loop) are considered. Associated with these scenarios, the effects of phase jitter and location estimation errors on the average beampattern are also analyzed.

Original language	English (US)
Pages (from-to)	4110-4124
Number of pages	15
Journal	IEEE Transactions on Signal Processing
Volume	53
Issue number	11
DOIs	https://doi.org/10.1109/TSP.2005.857028
State	Published - Nov 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Signal Processing
Electrical and Electronic Engineering

Keywords

Beampattern
Collaborative beamforming
Distributed beamforming
Random arrays
Sensor networks
Wireless ad hoc networks

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10.1109/TSP.2005.857028

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title = "Collaborative beamforming for distributed wireless ad hoc sensor networks",

abstract = "The performance of collaborative beamforming is analyzed using the theory of random arrays. The statistical average and distribution of the beampattern of randomly generated phased arrays is derived in the framework of wireless ad hoc sensor networks. Each sensor node is assumed to have a single isotropic antenna and nodes in the cluster collaboratively transmit the signal such that the signal in the target direction is coherently added in the far-field region. It is shown that with N sensor nodes uniformly distributed over a disk, the directivity can approach N, provided that the nodes are located sparsely enough. The distribution of the maximum sidelobe peak is also studied. With the application to ad hoc networks in mind, two scenarios (closed-loop and open-loop) are considered. Associated with these scenarios, the effects of phase jitter and location estimation errors on the average beampattern are also analyzed.",

keywords = "Beampattern, Collaborative beamforming, Distributed beamforming, Random arrays, Sensor networks, Wireless ad hoc networks",

author = "Hideki Ochiai and Patrick Mitran and Poor, {H. Vincent} and Vahid Tarokh",

note = "Funding Information: Manuscript received July 13, 2004; revised January 4, 2005. This work was supported in part by the National Science Foundation with the Alan T. Waterman Award under Grant CCR-0139398, in part by the Office of Naval Research under Grant N00014-03-1-0102, and in part by a Fellowship from the John Simon Guggenheim Memorial Foundation. Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the National Science Foundation. This paper was presented in part at the IEEE Information Theory Workshop (ITW{\textquoteright}04), San Antonio, TX, October 2004, and in part at the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP{\textquoteright}05), Philadelphia, PA, March 2005. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Mats Viberg.",

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doi = "10.1109/TSP.2005.857028",

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AU - Poor, H. Vincent

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Collaborative beamforming for distributed wireless ad hoc sensor networks

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