Abstract
Successive Interference Cancellation (SIC) is a new physical layer technique which enables the receiver to either partially cancel the interfering signals or receive more than one desired signal at a time. By fully exploring the potential advantages of SIC, we develop an SIC Aware Routing protocol, referred to as SAR, aiming at enhancing the overall end-to-end throughput. An SICable condition is defined, by which our routing protocol can discover the links with potential SIC opportunities to improve the overall throughput. By using the concepts of spatial resource consumption and bandwidth efficiency, we characterize the benefits of SIC effectively. Based on the concepts, we design an SIC aware routing metric to discover the paths with high throughput and less spatial resource consumption. Simulation results show that our routing protocol achieves significant gains in network throughput and SIC ratio compared with minimum hop count routing and conventional interference aware routing.
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