Saptarshi Mallick

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This paper proposes multiuser channel estimation techniques for space time block coded-orthogonal frequency division multiplexing (STBC-OFDM) systems based on simple blocked pilot grid. The estimation of multiuser channels is based on least square (LS) and minimum mean square estimation (MMSE) schemes. Simulation results, for a slowly faded quasi-static(More)
We describe here a new burst scheduling algorithm to avoid burst overlapping in the egress router of optical burst switching (OBS) network, and hence to improve the quality of service (QoS) in developing several optical networks to fulfill the increasing demand of Internet facilities. We consider TAG (tell-and-go) protocol where many lightpaths pass in a(More)
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