State-Adaptive Coded Caching for Symmetric Broadcast Channels
2017 51st Asilomar Conference on Signals, Systems, and Computers(2018)
摘要
Coded-caching delivery is considered over a symmetric noisy broadcast channel whose state is unknown at the transmitter during the cache placement phase. In particular, the delivery phase is modeled by a state-dependent broadcast channel where the state remains constant over each transmission block and is learned by the transmitter (and the receivers) only at the beginning of each block. A state-adaptive coded caching scheme is proposed that improves either on rate or decoding latency over two baseline schemes that are based on standard coded caching.
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关键词
symmetric noisy broadcast channel,transmitter,cache placement phase,state-dependent broadcast channel,transmission block,state-adaptive coded caching delivery,receivers,decoding
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