Welcome to the new version of CaltechAUTHORS. Login is currently restricted to library staff. If you notice any issues, please email coda@library.caltech.edu
Published October 2007 | Published
Book Section - Chapter Open

Opportunistic source coding for data gathering in wireless sensor networks

Abstract

We propose a jointly opportunistic source coding and oppor tunistic routing (OSCOR) protocol for correlated data gathering in wireless sensor networks. OSCOR improves data gathering efficiency by exploiting opportunistic data compression and multi-user diversity on wireless broadcast. OSCOR attacks challenges across network protocol layers by incorporating a slightly modified 802.11 MAC, a distributed source coding scheme based on Lempel-Ziv code and network coding, and a node compression ratio dependent metric combined with a modified Dijkstra's algorithm for path selection. We simulate OSCOR's performance and show it reduces the number of transmissions by nearly 25% compared with other schemes in small networks.

Additional Information

Copyright is held by author/owner(s).

Attached Files

Published - p26-cui.pdf

Files

p26-cui.pdf
Files (13.6 kB)
Name Size Download all
md5:01c73c36ebdda4f200ddfeec140d65f3
13.6 kB Preview Download

Additional details

Created:
August 19, 2023
Modified:
October 20, 2023