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Scale-lag diversity reception in mobile wideband channels (2005)
| Venue: | Proc. IEEE Internat. Conf. on Acoustics, Speech, and Signal Processing |
| Citations: | 3 - 3 self |
BibTeX
@INPROCEEDINGS{Margetts05scale-lagdiversity,
author = {Adam R. Margetts and Philip Schniter},
title = {Scale-lag diversity reception in mobile wideband channels},
booktitle = {Proc. IEEE Internat. Conf. on Acoustics, Speech, and Signal Processing},
year = {2005}
}
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Abstract
We consider the effect of mobility on a wideband direct sequence spread spectrum (DSSS) communication system, and study a scalelag Rake receiver capable of leveraging the diversity that results from mobility. A wideband signal has a large bandwidth-to-center frequency ratio, such that the typical narrowband Doppler spread assumptions do not apply to mobile channels. Instead, we assume a more general temporal scaling phenomenon, i.e., a dilation of the transmitted signal's time support. Such analysis applies, for example, to ultra-wideband (UWB) radio frequency channels and underwater wideband acoustic channels. 1.
Keyphrases
scale-lag diversity reception mobile wideband channel time support radio frequency channel analysis applies underwater wideband acoustic channel transmitted signal wideband direct sequence spread spectrum wideband signal large bandwidth-to-center frequency ratio typical narrowband doppler spread assumption scalelag rake receiver capable general temporal scaling phenomenon communication system mobile channel
