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A joint multi user detection scheme for UWB sensor networks using waveform division multiple access
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Yin, Zhendong, Wu, Mingyang, Yang, Zhutian, Zhao, Nan and Chen, Yunfei (2017) A joint multi user detection scheme for UWB sensor networks using waveform division multiple access. IEEE Access, 5 . 11717 -11726. doi:10.1109/ACCESS.2017.2713802 ISSN 2169-3536.
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WRAP-joint-multiuser-detection-scheme-UWB-sensor-networks-Chen-2017.pdf - Accepted Version - Requires a PDF viewer. Download (947Kb) | Preview |
Official URL: http://doi.org/10.1109/ACCESS.2017.2713802
Abstract
A joint multiuser detection (MUD) scheme for wireless sensor networks (WSNs) is proposed to suppress multiple access interference (MAI) caused by a large number of sensor nodes. In WSNs, waveform division multiple access ultra-wideband (WDMA-UWB) technology is well-suited for robust communications. Multiple sensor nodes are allowed to transmit modulated signals by sharing the same time periods and frequency bands using orthogonal pulse waveforms. This paper employs a mapping function based on the optimal multiuser detection (OMD) to map the received bits into the mapping space where error bits can be distinguished. In order to revise error bits caused by MAI, the proposed joint MUD scheme combines the mapping function with suboptimal algorithms. Numerical results demonstrate that the proposed MUD scheme provides good performances in terms of suppressing MAI and resisting near-far effect with low computational complexity.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
| Library of Congress Subject Headings (LCSH): | Wireless sensor networks, Ultra-wideband devices, Mobile communication systems., Wireless communication systems, Signal detection | ||||||
| Journal or Publication Title: | IEEE Access | ||||||
| Publisher: | IEEE | ||||||
| ISSN: | 2169-3536 | ||||||
| Official Date: | 20 June 2017 | ||||||
| Dates: |
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| Volume: | 5 | ||||||
| Page Range: | 11717 -11726 | ||||||
| DOI: | 10.1109/ACCESS.2017.2713802 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 1 June 2017 | ||||||
| Date of first compliant Open Access: | 1 June 2017 | ||||||
| Funder: | Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC) | ||||||
| Grant number: | 61471142, 61102084, 61601145 and 61571167 | ||||||
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