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Broadcast Scheduling in Interference Environment

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4 Author(s)
Scott C. -H. Huang ; City Univ of Hong Kong, Kowloon Tong ; Peng-Jun Wan ; Jing Deng ; Yunghsiang S. Han

Broadcast is a fundamental operation in wireless networks and naive flooding is not practical because it cannot deal with interference. Scheduling is a good way to avoid interference, but previous studies on broadcast scheduling algorithms all assume highly theoretical models such as the unit disk graph model. In this work, we re-investigate this problem using the 2-disk and the signal-to-interference-plus-noise-ratio (SINR) model to realize it. We first design a constant approximation algorithm for the 2-disk model and then extend it to the SINR model. This result is the first result on broadcast scheduling algorithms in SINR model, to the best of our knowledge.

Published in:

IEEE Transactions on Mobile Computing  (Volume:7 ,  Issue: 11 )