Low-sampling-rate M-ary multiple access UWB communications in multipath channels

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Type
Conference Paper
Authors
Alkhodary, Mohammad T.
Ballal, Tarig
Al-Naffouri, Tareq Y. cc
Muqaibel, Ali H.
KAUST Department
Electrical Engineering Program
Date
2015-08-31

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Abstract
The desirable characteristics of ultra-wideband (UWB) technology are challenged by formidable sampling frequency, performance degradation in the presence of multi-user interference, and complexity of the receiver due to the channel estimation process. In this paper, a low-rate-sampling technique is used to implement M-ary multiple access UWB communications, in both the detection and channel estimation stages. A novel approach is used for multiple-access-interference (MAI) cancelation for the purpose of channel estimation. Results show reasonable performance of the proposed receiver for different number of users operating many times below Nyquist rate.
Citation
Alkhodary, M.T., Ballal, T., Al-Najfouri, T.Y. and Muqaibel, A.H., 2015, August. Low-sampling-rate M-ary multiple access UWB communications in multipath channels. In Signal Processing Conference (EUSIPCO), 2015 23rd European (pp. 374-378). IEEE.
Sponsors
The authors would like to acknowledge the support provided by King Fahd University of Petroleum and Minerals (KFUPM) and King Abdullah University of Science and Technology (KAUST) for funding this work through the research institute project number EE002355.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Journal
2015 23rd European Signal Processing Conference (EUSIPCO)
Conference/Event name
Signal Processing Conference (EUSIPCO), 2015 23rd European
DOI
10.1109/EUSIPCO.2015.7362408
Handle URI
http://hdl.handle.net/10754/609178
Additional Links
http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=7362408
Collections
Conference Papers; Electrical Engineering Program