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학술지 Resource Allocation Scheme for Millimeter Wave-Based WPANs Using Directional Antennas
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저자
김미정, 김용선, 이우용
발행일
201406
출처
ETRI Journal, v.36 no.3, pp.385-395
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.14.0113.0691
협약과제
13IC1300, 초절전 센서네트워크 핵심기술개발, 표철식
초록
In this paper, we consider a resource allocation scheme for millimeter wave-based wireless personal area networks using directional antennas. This scheme involves scheduling the reservation period of medium access control for IEEE 802.15.3c. Objective functions are considered to minimize the average delay and maximize throughput; and two scheduling algorithms-namely, MInMax concurrent transmission and MAxMin concurrent transmission-Are proposed to provide a suboptimal solution to each objective function. These are based on an exclusive region and two decision rules that determine the length of reservation times and the transmission order of groups. Each group consists of flows that are concurrently transmittable via spatial reuse. The algorithms appropriately apply two decision rules according to their objectives. A real video trace is used for the numerical results, which show that the proposed algorithms satisfy their objectives. They outperform other schemes on a range of measures, showing the effect of using a directional antenna. The proposed scheme efficiently supports variable bit rate traffic during the reservation period, reducing resource waste. © 2014 ETRI.
키워드
Directional antenna, Exclusive region, Millimeter wave, Objective functions, Resource management
KSP 제안 키워드
Allocation scheme, Average delay, Concurrent transmission, Decision rules, Directional Antenna, IEEE 802.15.3c, Medium Access Control, Numerical results, Resource management, Scheduling algorithm, Variable-bit-rate(VBR)