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학술지 SAMAC: A Cross-Layer Communication Protocol for Sensor Networks with Sectored Antennas
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저자
Emad Felemban, Serdar Vural, Robert Murawski, Eylem Ekici, 이강우, 문영백, 박상준
발행일
201008
출처
IEEE Transactions on Mobile Computing, v.9 no.8, pp.1072-1088
ISSN
1536-1233
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TMC.2010.61
협약과제
09DC1200, 감시정찰 센서네트워크 기본설계 및 검증 기술, 표철식
초록
Wireless sensor networks have been used to gather data and information in many diverse application settings. The capacity of such networks remains a fundamental obstacle toward the adaptation of sensor network systems for advanced applications that require higher data rates and throughput. In this paper, we explore potential benefits of integrating directional antennas into wireless sensor networks. While the usage of directional antennas has been investigated in the past for ad hoc networks, their usage in sensor networks bring both opportunities as well as challenges. In this paper, Sectored-Antenna Medium Access Control (SAMAC), an integrated cross-layer protocol that provides the communication mechanisms for sensor network to fully utilize sectored antennas, is introduced. Simulation studies show that SAMAC delivers high energy efficiency and predictable delay performance with graceful degradation in performance with increased load. © 2010 IEEE.
키워드
Cross-layer protocols, CSMA/CA, Directional antennas, Scheduling, Sectored antennas, Sensor networks, TDMA
KSP 제안 키워드
Ad Hoc Networks, Cross-Layer Communication Protocol, Cross-layer protocol, Directional Antenna, Medium Access Control, Network system, Sectored-Antenna, Simulation study, Wireless sensor networks(WSNs), data information, data rate