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2009 WRI World Congress on Computer Science and Information Engineering
Link Scheduling with Physical Interference Model for Throughput Improvement in Wireless Multi-hop Networks
Los Angeles, California USA
March 31-April 02
ISBN: 978-0-7695-3507-4
Spacial-Time Division Multiple Access (STDMA) in wireless multi-hop networks is studied. Different from most of work that adopt the protocol interference model which merely take consideration of packet collisions, our proposed algorithm uses the physical interference model to reflect the aggregated signal to interference and noise ratio, which is a more accurate abstraction of the real scenario. However, the model is notoriously hard to solve. We propose a novel scheduling method based on the Integer Linear Programming (ILP) and resolve it by an approximate solution based on a randomized rounding method. The performance analysis and simulation results show that significant improvements on the throughput of the network could be achieved.
Index Terms:
STDMA, scheduling, physical interference model, multi-hop
Citation:
Shuai Fan, Lin Zhang, Yong Ren, "Link Scheduling with Physical Interference Model for Throughput Improvement in Wireless Multi-hop Networks," csie, vol. 1, pp.430-434, 2009 WRI World Congress on Computer Science and Information Engineering, 2009
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