Bandwidth Issues White Papers
Scale-Lag Diversity Reception in Mobile Wideband Channels
Overview This paper considers the effect of mobility on a wideband Direct Sequence Spread Spectrum (DSSS) communication system, and study a scale-lag 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, the paper assumes 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.
| Publisher | Ohio State University | File Format | |
|---|---|---|---|
| Date Published | August 2007 | ||
| Format | White Papers | ||
| Topics | |||
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