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학술지 Multiband Directional Neighbor Discovery in Self-Organized mmWave Ad Hoc Networks
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저자
박현희, 김용선, 송태원, 백상헌
발행일
201503
출처
IEEE Transactions on Vehicular Technology, v.64 no.3, pp.1143-1155
ISSN
0018-9545
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TVT.2014.2329303
협약과제
14PC2300, 안전한 주거환경을 위한 실시간 위험요소 예측/방지용 스마트 홈 서비스 플랫폼 기술 개발, 신현순
초록
A 60-GHz radio is an attractive technology in wireless home networks because it can provide high data rate up to a few gigabits per second. A 60-GHz network generally uses directional antennas and has a problem of neighbor discovery (ND), although it has an advantage of high data transmissions. In particular, if a directional antenna is used in self-organized wireless ad hoc networks, the ND time and energy consumption can be significantly increased. To solve this problem, we propose a multiband directional ND (MDND) scheme, in which management procedures are carried out by using the 2.4-GHz band with the omnidirectional antennas, whereas data transmissions are performed by using the 60-GHz band with directional antennas. Analytical models on the ND time and energy consumption are also derived by considering assisted and beamforming periods in the ND procedure through the omnidirectional and directional antennas. Performance evaluation results demonstrate that the proposed scheme outperforms comparative schemes that use only directional beamforming in terms of the average ND time and energy consumption.
키워드
Directional antennas, millimeter-wave (mmWave) ad hoc networks, multiband application, neighbor discovery (ND), self-organization
KSP 제안 키워드
60 GHz band, 60 GHz radio, Analytical model, High data rate, Management Procedures, Neighbor Discovery, Omnidirectional Antenna, Performance evaluation, Self-orGanization, Self-organized, Time and Energy