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Collaborative Radio

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Aggelos Bletsas

Collaborative Radio

The problem of user cooperation in wireless communication poses exciting challenges given that: (a) the computing (processing) capabilities of cooperating users are limited since we will assume that they are mobile with fixed computing capacity and energy consumption (b) cooperation basically means that one user will use her own battery to relay information destined for a different user (while the receiver will exploit the direct and the relayed transmission) and therefore strong incentives should be inherent in the cooperative scheme and (c) coordination at the network level among the cooperative nodes should be manifested, which is a radical change given the fact that all existing communication stacks have been organized according to point-to-point, non-cooperative communication.

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