A distributed differentially encoded OFDM scheme for asynchronous cooperative systems with low probability of interception

Recently, Li, Hwu and Ratazzi have proposed a physical-layer security design to guarantee low probability of interception (LPI) for MIMO systems without relying on upper layer data encryption. The proposed scheme utilizes antenna array redundancy to deliberately randomize the transmitted signals to...

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Vydáno v:	IEEE transactions on wireless communications Ročník 8; číslo 7; s. 3372 - 3379
Hlavní autoři:	Li, Zheng, Xia, Xiang-Gen
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.07.2009 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Antenna arrays Antennas Applied sciences asynchronous asynchronous security Coding, codes Cooperative systems Cryptography Data encryption Data security Differential space-time-frequency coding Eavesdropping Encoding Exact sciences and technology Frequency domain analysis Frequency domains Information, signal and communications theory Interception low probability of interception MIMO Multiplexing OFDM Orthogonal Frequency Division Multiplexing Radiocommunications Randomization Redundancy Signal and communications theory Telecommunications Telecommunications and information theory Time measurements Timing Transmitting antennas Space-time codes Relay OFDM Encryption Subcarrier low probability of interception Eavesdropping asynchronous cooperative diversity Randomization Coding Security of data Antenna array Telecommunication security MIMO system Redundancy Space diversity Cooperative systems Frequency domain method Decoding Information transmission Spatial frequency wireless security Orthogonal frequency division multiplexing unitary codes Frequency diversity Discrete signal Differential space-time-frequency coding Timing Differential method
ISSN:	1536-1276, 1558-2248
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