A proportional time scheduling scheme with frame size adaptation for MB-OFDM UWB WPANs=
Maşazade, Engin and Gürbüz, Özgür and Keskinöz, Mehmet (2006) A proportional time scheduling scheme with frame size adaptation for MB-OFDM UWB WPANs=. In: Signal Processing and Communications Applications, 2006 IEEE 14th, Antalya
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Official URL: http://ieeexplore.ieee.org/search/srchabstract.jsp?arnumber=1659857&isnumber=34756&punumber=11023&k2dockey=1659857@ieeecnfs&query=%28gurbuz+%3Cin%3E+au%29+%3Cand%3E+%2834756+%3Cin%3E+isnumber%29&pos=5
In this paper, we investigate Multi Band OFDM based UWB wireless personal area networks (WPANs) over time varying channels. We first improve the efficiency of the data link layer. In order to maximize the link efficiency, we consider an immediate acknowlegement policy with dynamically and optimally selected frame sizes based on channel conditions. We then propose an opportunistic multiple-link-time scheduling algorithm, where the network controller determines the time allocation of individual connections within the IEEE802.15.3 WPAN superframe structure. This algorithm determines time allocations proportional to the instantaneous efficiencies of operating links. Simulation results show that the proposed access method enhances the overall network performance compared to equal channel access schemes.
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