Securing OFDM over Wireless Time-Varying Channels Using Subcarrier Overloading with Joint Signal Constellations

Securing OFDM over Wireless Time-Varying Channels Using Subcarrier Overloading with Joint Signal Constellations

A method of overloading subcarriers by multiple transmitters to secure OFDM in wireless time-varying channels is proposed and analyzed. The method is based on reverse piloting, superposition modulation, and joint decoding. It makes use of channel randomness, reciprocity, and fast decorrelation in sp...

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Bibliographic Details
Main Authors:	Gill R. Tsouri, Dov Wulich
Format:	Article
Language:	English
Published:	SpringerOpen 2009-01-01
Series:	EURASIP Journal on Wireless Communications and Networking
Online Access:	http://dx.doi.org/10.1155/2009/437824

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