Benefits of Cache Assignment on Degraded Broadcast Channels

Degraded K-user broadcast channels (BCs) are studied when the receivers are facilitated with cache memories. Lower and upper bounds are derived on the capacity-memory tradeoff, i.e., on the largest rate of reliable communication over the BC as a function of the receivers' cache sizes, and the b...

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Veröffentlicht in:	IEEE transactions on information theory Jg. 65; H. 11; S. 6999 - 7019
Hauptverfasser:	Saeedi Bidokhti, Shirin, Wigger, Michele, Yener, Aylin
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	New York IEEE 01.11.2019 The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Institute of Electrical and Electronics Engineers
Schlagworte:	Broadcast channel (BC) Budgets Cache memory Caching capacity-memory tradeoff Channel coding Channels Computer Science Decoding Gaussian channels Information Theory joint source-channel coding Lower bounds Noise measurement Optimization Receivers Servers Tradeoffs Upper bound Upper bounds Index Terms-Broadcast channel (BC) joint source-channel coding caching Gaussian channels capacity- memory tradeoff
ISSN:	0018-9448, 1557-9654
Online-Zugang:	Volltext
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