On Model Coding for Distributed Inference and Transmission in Mobile Edge Computing Systems

Consider a mobile edge computing system in which users wish to obtain the result of a linear inference operation on locally measured input data. Unlike the offloaded input data, the model weight matrix is distributed across the wireless Edge Nodes (ENs). ENs have non-deterministic computing times, a...

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Vydáno v:IEEE communications letters Ročník 23; číslo 6; s. 1065 - 1068
Hlavní autoři: Zhang, Jingjing, Simeone, Osvaldo
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.06.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Coding
Computational modeling
Computing/Communication Latency
Data models
Downlink
Edge computing
Encoding
Europe
Inference
Information theory
Mobile computing
Stragglers
Wireless communication
ISSN:1089-7798, 1558-2558
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Shrnutí:Consider a mobile edge computing system in which users wish to obtain the result of a linear inference operation on locally measured input data. Unlike the offloaded input data, the model weight matrix is distributed across the wireless Edge Nodes (ENs). ENs have non-deterministic computing times, and they can transmit any shared computed output back to the users cooperatively. This letter investigates the potential advantages obtained by coding model information prior to ENs' storage. Through an information-theoretic analysis, it is concluded that, while generally limiting cooperation opportunities, coding is instrumental in reducing the overall computation-plus-communication latency.
Bibliografie:ObjectType-Article-1
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ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2019.2911496