One-Bit Quantization for Multi-Sensor GLRT Detection of Unknown Deterministic Signals

被引：0

作者：

Li, Xiaoying ^{[1
]}

Fang, Jun ^{[1
]}

Liu, Yumeng ^{[1
]}

Li, Hongbin ^{[2
]}

机构：

[1] Univ Elect Sci & Technol China, Natl Key Lab Commun, Chengdu 611731, Peoples R China

[2] Stevens Inst Technol, Dept Elect & Comp Engn, Hoboken, NJ 07030 USA

来源：

2013 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2013年

基金：

美国国家科学基金会;

关键词：

Decentralized detection; one-bit; quantization; wireless sensor networks (WSNs); DISTRIBUTED DETECTION; DECENTRALIZED DETECTION; MULTIPLE SENSORS; PERFORMANCE; NETWORKS; SCHEME;

D O I：

暂无

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, we consider a decentralized detection problem in which a number of sensor nodes collaborate to detect the presence of an unknown deterministic signal. Due to stringent power/bandwidth constraints, each sensor quantizes its local observation into one bit of information. The binary data are then sent to the fusion center (FC), where a generalized likelihood ratio test (GLRT) detector is employed to make a global decision. In this context, we study one-bit quantizer design and analyze the asymptotic performance of the one-bit GLRT detector for cases where the quantized data are sent to the FC via perfect or imperfect channels. Simulation results are carried out to corroborate our theoretical analysis and to illustrate the performance of the proposed scheme.

引用

页码：4251 / 4255

页数：5

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