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반충상
조회 15976
Status : | Presented |
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Date : | 2013-11 |
Title : | 저전력 센서네트워크에서의 광대역 간섭 센싱 기법 |
Authors : | 원성우, 이석원, 홍대식 |
Conference : | 대한의용생체공학회 추계종합학술대회 |
Abstract : | Interference avoidance strategy is essential for low power sensor networks (WSN) in order to coexist with other systems in open spectrum. Especially, dominant interference is caused by wideband systems such as Wi-Fi which have long airtime than narrowband systems. However, WSN is not able to classify the wideband interference from narrowband interference with simple conventional sensing strategy. Therefore, we propose a wideband interference sensing strategy which can distinguish the wideband interference from the narrowband interference. The simulation results show that an interference avoiding system which utilize the proposed strategy achieves higher energy efficiency than the conventional system. |
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