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Saleh-Valenuela model was modified by both IEEE802.15.3a and IEEE802.15.4a task group, and became the standard channel model for UWB indoor environment. Cluster must be identified before any Saleh-Valenuela model parameters can be extracted. Past efforts have developed a lot of algorithms on cluster identification, but most of them ignored either the exponentially decay of power delay profile (PDP)...
In 802.16e OFDMA systems, noise and co-channel interference on pilots degrade the accuracy of channel state information (CSI) obtained from channel estimation (CE) and system performance is deteriorated. To evaluate the system performance loss due to imperfect CSI, CE model should be used to incorporate noise and interference's impact on CSI into system level simulator (SLS). In this paper, a CE model,...
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