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Link Quality-Based Path Selection Scheme in Millimeter-Wave Broadband Entrance Network for Wireless Heterogeneous Systems
Jaturong SANGIAMWONG Katsutoshi TSUKAMOTO Shozo KOMAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Wireless LAN
wireless heterogeneous systems, route availability, path selection algorithm, adaptive modulation,
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This paper proposes the constraint availability and bandwidth shortest path (CABSP) selection algorithm and the extension of the adaptive modulation scheme to the CABSP (CABSP-AM) selection algorithm in the millimeter-wave (MMW) broadband entrance network for wireless heterogeneous systems. The CABSP algorithm considers the availability denoted as the quality of the MMW which is severely affected by the rainfall. The CABSP-AM algorithm, moreover, is proposed to further make more efficient use of bandwidth resources by considering the QoS requirements of each class of service in multimedia communication. As the results, the CABSP algorithm yields higher throughput performance than the conventional constraint shortest path (CSP) selection algorithm, but lower than the CABSP-AM algorithm. The spectrum efficiency improvements of the CABSP-AM over the CABSP are about 1.36 and 1.48 fold in case of error sensitive and non-sensitive classes respectively.