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- W2022608246 abstract "단 논문에서 먼저 LEACH (Low-Energy Adaptive Hierarchy)를 사용한 무선센서네트워크에서 하나의 센서 노드가 다른 두 센서노드의 클러스터 헤드를 향한 데이터 전송을 도와주는 전력 및 대역폭에 효율성있는 협력 통신 프로토콜을 제안하고, 제안한 프로토콜의 closed-form BER(Bit Error Ratio)을 유도한다. 또한 이것이 복호 후 전송 프로토콜의 일반적인 BER 임을 보이고, 제안한 시스템이 기존의 복호 후 전송 프로토콜보다 더 높은 주파수 효율을 가지면서 동일한 성능을 나타내는 것을 보인다. 많은 수학적인 결과를 통해 직접 전송일 경우 BER이 <TEX>$10^{-3}$</TEX>에서 11dB까지 네트워크의 전력이 절약되는 것을 확인할 수 있다. In this paper, we first propose a power-and-bandwidth efficient cooperative transmission protocol where a sensor node assists two others for their data transmission to a clusterhead in WSNs (Wireless Sensor Networks) using LEACH (Low-Energy Adaptive Clustering Hierarchy). Then we derive its closed-form BER expression which Is also a general BER one for the decode-and-forward protocol (DF) and Prove that the proposed protocol performs as same as the conventional DF but obtains higher spectral efficiency. A variety of numerical results reveal the cooperation can save the network power up to 11dB over direct transmission at BER of <TEX>$10^{-3}$</TEX>." @default.
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- W2022608246 date "2006-04-01" @default.
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- W2022608246 title "Power-and-Bandwidth Efficient Cooperative Transmission Protocol in Wireless Sensor Networks" @default.
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- W2022608246 doi "https://doi.org/10.3745/kipstc.2006.13c.2.185" @default.
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