Partially overlapped channels not considered harmful

Many wireless channels in different technologies are known to have partial overlap. However, due to the interference effects among such partially overlapped channels, their simultaneous use has typically been avoided. In this paper, we present a first attempt to model partial overlap between channels in a systematic manner. Through the model, we illustrate that the use of partially overlapped channels is not always harmful. In fact, a careful use of some partially overlapped channels can often lead to significant improvements in spectrum utilization and application performance. We demonstrate this through analysis as well as through detailed application-level and MAC-level measurements. Additionally, we illustrate the benefits of our developed model by using it to directly enhance the performance of two previously proposed channel assignment algorithms — one in the context of wireless LANs and the other in the context of multi-hop wireless mesh networks. Through detailed simulati...

• Type: Conference
• Year: 2006
• Where: SIGMETRICS
• Authors: Arunesh Mishra, Vivek Shrivastava, Suman Banerjee, William A. Arbaugh
• Keywords: Many Wireless Channels, Overlapped Channels, Partial Overlap, SIGMETRICS 2006