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Hard-input-hard-output capacity analysis of UWB BPSK systems with timing errors
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Zhao, Bo, Chen, Yunfei and Green, Roger (2012) Hard-input-hard-output capacity analysis of UWB BPSK systems with timing errors. IEEE Transactions on Vehicular Technology, Vol.61 (No.4). pp. 1741-1751. doi:10.1109/TVT.2012.2188418
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Official URL: http://dx.doi.org/10.1109/TVT.2012.2188418
Abstract
The hard-input-hard-output capacity of a binary phase-shift keying (BPSK) ultrawideband system is analyzed for both additive white Gaussian noise and multipath fading channels with timing errors. Unlike previous works that calculate the capacity with perfect synchronization and/or multiple-access interference only, our analysis considers timing errors with different distributions, as well as the interpath (IPI), interchip (ICI), and intersymbol (ISI) interferences, as in practical systems. The sensitivity of the channel capacity to the timing error is examined. The effects of pulse shape, the multiple-access technique, the number of users, and the number of chips are studied. It is found that time hopping is less sensitive to the pulse shape and that the timing error has higher capacity than direct sequence due to its low duty of cycle. Using these results, one can choose appropriate system parameters for different applications.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Ultra-wideband devices, Wireless communication systems | ||||
| Journal or Publication Title: | IEEE Transactions on Vehicular Technology | ||||
| Publisher: | IEEE | ||||
| ISSN: | 0018-9545 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Date of first compliant deposit: | 22 December 2015 | ||||
| Volume: | Vol.61 | ||||
| Number: | No.4 | ||||
| Page Range: | pp. 1741-1751 | ||||
| DOI: | 10.1109/TVT.2012.2188418 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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