Source extraction in a bandwidth constrained wireless sensor network

Hongbin Chen; Chi Kong Tse; Jiuchao Feng

Source extraction in a bandwidth constrained wireless sensor network

Hongbin Chen, Chi Kong Tse, Jiuchao Feng

The Hong Kong Polytechnic University

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

1 Citation (Scopus)

Abstract

In this paper, we propose a blind source extraction scheme in a bandwidth constrained wireless sensor network.We consider the extraction of multiple source signals in a sensing field. Each sensor observes a linear mixture of the source signals and their observations are corrupted by additive white Gaussian noise (AWGN). First a sensor in the network acts as a cluster head and performs local extraction of the source signals using a fast fixed-point algorithmbased on its own observation and the received noisy quantized data from other sensors. Then, the extracted signals are quantized using a pulse code modulation (PCM) method and the quantized data are sent to the sink in a multi-hop way through a fading channel. Finally the sink performs global extraction of the source signals using a constant modulus algorithm(CMA) and PCM decoding. In order to improve the accuracy of source extraction, a multi-cluster structure is also proposed. Simulation results confirm effective extraction of the source signals by comparing with the case of source extraction without quantization of the sensed data.

Original language	English
Title of host publication	International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS'07, Part of the 2007 Summer Simulation Multiconference, SummerSim'07
Pages	69-75
Number of pages	7
Publication status	Published - 1 Dec 2007
Event	International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS 2007, Part of the 2007 Summer Simulation Multiconference, SummerSim 2007 - San Diego, CA, United States Duration: 15 Jul 2007 → 18 Jul 2007

Conference

Conference	International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS 2007, Part of the 2007 Summer Simulation Multiconference, SummerSim 2007
Country/Territory	United States
City	San Diego, CA
Period	15/07/07 → 18/07/07

Keywords

Cluster
Correlation coefficient
Quantization
Sensor network
Source extraction

ASJC Scopus subject areas

Computer Networks and Communications
Modelling and Simulation

Cite this

@inproceedings{d7ca3f8e446c4dc7884c0bd6b6852bbe,

title = "Source extraction in a bandwidth constrained wireless sensor network",

abstract = "In this paper, we propose a blind source extraction scheme in a bandwidth constrained wireless sensor network.We consider the extraction of multiple source signals in a sensing field. Each sensor observes a linear mixture of the source signals and their observations are corrupted by additive white Gaussian noise (AWGN). First a sensor in the network acts as a cluster head and performs local extraction of the source signals using a fast fixed-point algorithmbased on its own observation and the received noisy quantized data from other sensors. Then, the extracted signals are quantized using a pulse code modulation (PCM) method and the quantized data are sent to the sink in a multi-hop way through a fading channel. Finally the sink performs global extraction of the source signals using a constant modulus algorithm(CMA) and PCM decoding. In order to improve the accuracy of source extraction, a multi-cluster structure is also proposed. Simulation results confirm effective extraction of the source signals by comparing with the case of source extraction without quantization of the sensed data.",

keywords = "Cluster, Correlation coefficient, Quantization, Sensor network, Source extraction",

author = "Hongbin Chen and Tse, {Chi Kong} and Jiuchao Feng",

year = "2007",

month = dec,

day = "1",

language = "English",

isbn = "9781622763559",

pages = "69--75",

booktitle = "International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS'07, Part of the 2007 Summer Simulation Multiconference, SummerSim'07",

note = "International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS 2007, Part of the 2007 Summer Simulation Multiconference, SummerSim 2007 ; Conference date: 15-07-2007 Through 18-07-2007",

}

Chen, H, Tse, CK & Feng, J 2007, Source extraction in a bandwidth constrained wireless sensor network. in International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS'07, Part of the 2007 Summer Simulation Multiconference, SummerSim'07. pp. 69-75, International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS 2007, Part of the 2007 Summer Simulation Multiconference, SummerSim 2007, San Diego, CA, United States, 15/07/07.

Source extraction in a bandwidth constrained wireless sensor network. / Chen, Hongbin; Tse, Chi Kong; Feng, Jiuchao.
International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS'07, Part of the 2007 Summer Simulation Multiconference, SummerSim'07. 2007. p. 69-75.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

TY - GEN

T1 - Source extraction in a bandwidth constrained wireless sensor network

AU - Chen, Hongbin

AU - Tse, Chi Kong

AU - Feng, Jiuchao

PY - 2007/12/1

Y1 - 2007/12/1

N2 - In this paper, we propose a blind source extraction scheme in a bandwidth constrained wireless sensor network.We consider the extraction of multiple source signals in a sensing field. Each sensor observes a linear mixture of the source signals and their observations are corrupted by additive white Gaussian noise (AWGN). First a sensor in the network acts as a cluster head and performs local extraction of the source signals using a fast fixed-point algorithmbased on its own observation and the received noisy quantized data from other sensors. Then, the extracted signals are quantized using a pulse code modulation (PCM) method and the quantized data are sent to the sink in a multi-hop way through a fading channel. Finally the sink performs global extraction of the source signals using a constant modulus algorithm(CMA) and PCM decoding. In order to improve the accuracy of source extraction, a multi-cluster structure is also proposed. Simulation results confirm effective extraction of the source signals by comparing with the case of source extraction without quantization of the sensed data.

AB - In this paper, we propose a blind source extraction scheme in a bandwidth constrained wireless sensor network.We consider the extraction of multiple source signals in a sensing field. Each sensor observes a linear mixture of the source signals and their observations are corrupted by additive white Gaussian noise (AWGN). First a sensor in the network acts as a cluster head and performs local extraction of the source signals using a fast fixed-point algorithmbased on its own observation and the received noisy quantized data from other sensors. Then, the extracted signals are quantized using a pulse code modulation (PCM) method and the quantized data are sent to the sink in a multi-hop way through a fading channel. Finally the sink performs global extraction of the source signals using a constant modulus algorithm(CMA) and PCM decoding. In order to improve the accuracy of source extraction, a multi-cluster structure is also proposed. Simulation results confirm effective extraction of the source signals by comparing with the case of source extraction without quantization of the sensed data.

KW - Cluster

KW - Correlation coefficient

KW - Quantization

KW - Sensor network

KW - Source extraction

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M3 - Conference article published in proceeding or book

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BT - International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS'07, Part of the 2007 Summer Simulation Multiconference, SummerSim'07

T2 - International Symposium on Performance Evaluation of Computer and Telecommunication Systems 2007, SPECTS 2007, Part of the 2007 Summer Simulation Multiconference, SummerSim 2007

Y2 - 15 July 2007 through 18 July 2007

ER -

Source extraction in a bandwidth constrained wireless sensor network

Abstract

Conference

Keywords

ASJC Scopus subject areas

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