| Paper: | SPCOM-P1.6 | ||
| Session: | Ultra Wideband Systems | ||
| Time: | Tuesday, May 18, 13:00 - 15:00 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communications: Ultra Wideband Systems | ||
| Title: | CAPACITY-MAXIMIZING RESOURCE ALLOCATION FOR DATA-AIDED TIMING AND CHANNEL ESTIMATION IN ULTRA-WIDEBAND RADIOS | ||
| Authors: | Lin Wu; Michigan Technological University | ||
| Zhi Tian; Michigan Technological University | |||
| Abstract: | The overall system performance of data-aided ultra-wideband (UWB) communications relies critically on the accuracy of synchronization and channel estimation during the training phase. The total transmission resources should be properly allocated between training and information symbols in order to strike a balance between performance and information rate. To this end, this paper derives optimum transmission schemes that judiciously allocate the limited transmit power and pulse numbers to signal reception tasks performing optimal timing acquisition, channel estimation, as well as symbol detection. The resulting selection of transmitter parameters not only enables both the timing-offset and channel estimators to achieve the minimum mean-square estimation errors, but also maximizes the average system capacity. | ||
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