Cooperative communications is obviously an evolution in wireless networks due to its noticeable advantages such as increasing the coverage as well as combating fading and shadowing effects. However, the broadcast characteristic of a wireless medium which is exploited in cooperative communications leads to a variety of security vulnerabilities. As cooperative communication networks are globally ...

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We define information theoretic problems in the cooperative detection of targets by a distributed wireless sensor network, and in the cooperative transmission of the results to a remote user. The dominant constraint in both cases is the energy cost of communications, rather than bandwidth or signal processing costs. We show that the detection problem can be cast as a rate distortion problem, an...

This letter investigates a wireless communication system deploying distributed reconfigurable intelligent surfaces (RISs). Existing works have assumed that perfect timing synchronization is available among all the cooperative RISs. For practical considerations, we first study reflection design for multi-RIS-aided systems taking into account errors. We aim to minimize mean-squared error of recov...