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Utility Optimal Coding for Packet Transmission over Wireless Networks – Part II: Networks of Packet Erasure Channels

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Premkumar, K., Chen, Xiaomin and Leith, Douglas J. (2011) Utility Optimal Coding for Packet Transmission over Wireless Networks – Part II: Networks of Packet Erasure Channels. Working Paper. Hamilton Institute. (Unpublished)

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Abstract

We define a class of multi–hop erasure networks that approximates a wireless multi–hop network. The network carries unicast flows for multiple users, and each information packet within a flow is required to be decoded at the flow destination within a specified delay deadline. The allocation of coding rates amongst flows/users is constrained by network capacity. We propose a proportional fair transmission scheme that maximises the sum utility of flow throughputs. This is achieved by jointly optimising the packet coding rates and the allocation of bits of coded packets across transmission slots.

Item Type:	Monograph (Working Paper)
Additional Information:	Paper submitted to the Forty-Ninth Annual Allerton Conference on Communication, Control, and Computing, Monticello, Illinois, USA. This work is supported by Science Foundation Ireland under Grant No. 07/IN.1/I901.
Keywords:	Code rate selection; cross layer optimisation; network utility maximisation; packet erasure channels; scheduling;
Academic Unit:	Faculty of Science and Engineering > Research Institutes > Hamilton Institute
Item ID:	3630
Depositing User:	Karumbu Premkumar
Date Deposited:	02 May 2012 15:32
Publisher:	Hamilton Institute
Funders:	Science Foundation Ireland
Related URLs:	http://www.hamilton.ie/
URI:	https://mu.eprints-hosting.org/id/eprint/3630
Use Licence:	This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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