Allerton 2015 Paper Abstract

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Paper ThC6.4

Baig, Mirza Uzair (University of Hawaii), HÝst-Madsen, Anders (University of Hawaii)

Fundamental Relationships between Energy and Delay in Streaming

Scheduled for presentation during the Regular Session "Information Theoretic Approaches in Wireless Communications II" (ThC6), Thursday, October 1, 2015, 14:30−14:50, Visitor Center

53rd Annual Allerton Conference on Communication, Control, and Computing, Sept 29-Oct 2, 2015, Allerton Park and Retreat Center, Monticello, IL, USA

This information is tentative and subject to change. Compiled on November 19, 2019

Keywords Information Theory

Abstract

This paper considers the problem of continuously streaming bits over a AWGN channel, a simple model of video or audio streaming. The bits are required to be decoded with a maximum delay, a deadline, of d. The question the paper seeks to answer is: what is the fundamental cost of the deadline in terms of energy per bit Eb? The paper answers this question for a number of cases, depending on the bandwidth available for transmission. A common conclusion is that for an excess energy of △Eb, i.e., the energy above that required in the limit d → ∞, the required delay is d ~ △Eb-2 which is much worse than the linear relationship between bandwidth and △Eb-1.

 

 

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