| Paper: | SPCOM-P1.10 | ||
| Session: | Ultra Wideband Systems | ||
| Time: | Tuesday, May 18, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communications: Ultra Wideband Systems | ||
| Title: | MULTIDIMENSIONAL ORTHOGONAL DESIGN FOR ULTRA-WIDEBAND DOWNLINK | ||
| Authors: | Jin Tang; University of California, Riverside | ||
| Zhengyuan Xu; University of California, Riverside | |||
| Abstract: | In a traditional time-hopping multiple access ultra-wideband communication system, orthogonal time-hopping sequence can be designed to improve system performance. However, system capacity is restrictive. We propose a new multiple access system model for UWB downlink and deploy orthogonal design in three dimensions: time-hopping code, multiuser code, and pulse waveform, or equivalently the position, polarity, and shape of a basic pulse. Such a system provides more freedom than traditional time-hopping system and thus can support more number of users. Performance of the system is analyzed and verified by simulations. | ||
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