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How Much Improvement Can We Get From Partially Overlapped Channels?

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2 Author(s)
Zhenhua Feng ; Virginia Polytech. & State Univ., Blacksburg ; Yang, Y.

Partially overlapped channel (POC) based design, has been identified recently as a promising technique to overcome the capacity bottleneck facing wireless engineers in various networks, such as WLAN, wireless mesh network (WMN) and ad hoc networks. However, considerable confusions still exist as to the actual power of POCs to improve network capacity, especially since traditional communication system designs treat the so called adjacent channel interference (ACI) as harmful. Based on measurements of actual testbed experiments, we model the impact of POCs on system design and use numerical method to analyze network capacity improvement comparing POC-based design and traditional design. Our investigation shows that for a wide class of network settings, POC-based design allows more flexibility in wireless resource allocation, and can improve overall network capacity by as much as 100%.

Published in:

Wireless Communications and Networking Conference, 2008. WCNC 2008. IEEE

Date of Conference:

March 31 2008-April 3 2008