Estimation of Fading Characteristics Based on Received Signals at Multiple Different Locations

概要

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Security in wireless communications has become an important issue as wireless services have grown popular. A new security techinique utilizing wireless channel characteristics has been proposed and the security performance of the techinique has been analyzed in an encryption viewpoint. The technique is based on the principle that the information of wireless channel characteristics is shared only between the transmitting and the receiving points. In this paper, we discuss the characteristics at a location based on observed signals at multiple different location and present the possibility of the estimation. Quantitative analysis by computer simulations is carried out to evaluate the estimation performance of the technique. We also clarify the dependence of the performance on the estimation parameters.
社団法人電子情報通信学会の論文
2007-03-01