| Publisher | University of South Florida | ||
|---|---|---|---|
| Format | 98.2KB PDF | Date added | 22 Jan 2006 |
| Topics | Wireless LAN, Software Engineering, Mobile - Wireless Communications | ||
| Downloads | 200 | ||
Time dispersion is one of the most important characteristics of the wireless channel. The knowledge about the time dispersion of a channel can be used for designing better systems which can adapt themselves to the changing nature of the transmission medium. In this paper, algorithms for estimating the time dispersion (frequency selectivity) of the channel, which use the frequency domain channel estimates or the frequency domain received signal, are proposed. The proposed algorithms first estimate the Power Delay Profile (PDP) from which the two important dispersion parameters, namely Root-Mean-Squared (RMS) delay spread and maximum excess delay of the channel, are estimated.
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