Opportunistic Scheduling with Limited Channel State Information: A Rate Distortion Approach

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Provided by: Massachusetts Institute of Technology
Topic: Networking
Format: PDF
The authors consider an opportunistic communication system in which a transmitter selects one of multiple channels over which to schedule a transmission, based on partial knowledge of the network state. They characterize a fundamental limit on the rate that channel state information must be conveyed to the transmitter in order to meet a constraint on expected throughput. This problem is modeled as a causal rate distortion optimization of a Markov source. They introduce a novel distortion metric capturing the impact of imperfect channel state information on throughput.
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