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학술지 Time-Slotted Scheduling Schemes for Multi-hop Concurrent Transmission in WPANs with Directional Antenna
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저자
무하마드, 강문수, , 강신각
발행일
201406
출처
ETRI Journal, v.36 no.3, pp.374-384
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.14.0113.0703
협약과제
13ME1500, 상황인지형 콘텐츠 전달기술 표준개발, 강신각
초록
To achieve high-speed (giga-bit) connectivity for shortrange wireless multimedia applications, the millimeterwave (mmWave) wireless personal area networks with directional antennas are gaining increased interest. Due to the use of directional antennas and mmWave communications, the probability of non-interfering transmissions increases in a localized region. Network throughput can be increased immensely by the concurrent time allocation of non-interfering transmissions. The problem of finding optimum time allocation for concurrent transmissions is an NP-hard problem. In this paper, we propose two enhanced versions of previously proposed multi-hop concurrent transmission (MHCT) schemes. To increase network capacity, the proposed schemes efficiently make use of the free holes in the time-Allocation map of the MHCT scheme; thus, making it more compact. © 2014 ETRI.
키워드
Concurrent transmission, High-speed WPANs, MmWave communication, Optimization, Scheduling
KSP 제안 키워드
Concurrent transmission, Directional Antenna, Free holes, High Speed, Multi-Hop, NP-Hard problem, Network throughput, Scheduling Scheme, Wireless personal area network(WPAN), mmWave communication, multimedia applications