Abstract
This paper investigates and compares the performance of hybrid direct-sequence time-hopping (DS-TH) ultrawide bandwidth (UWB) systems using full-rank and various reduced-rank detections when minimum mean-square error (MMSE) principles are applied, while communicating over Nakagami-m fading channels. In addition to the fullrank MMSE detection, three classes of reduced-rank MMSE techniques are investigated, which are derived based on the principles of principal components (PC), cross-spectral metric (CSM) and Taylor polynomial approximation (TPA), respectively. Our study and simulation results show that the reduced-rank techniques constitute a family of promising detection techniques for UWB systems, which are capable of achieving similar bit error rate (BER) performance as the full-rank detection, while with a detection complexity that is significantly lower than that of the full-rank detection.
Original language | English |
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Title of host publication | The 68th IEEE Vehicular Technology Conference, VTC 2008-Fall |
Number of pages | 5 |
DOIs | |
Publication status | Published - 1 Dec 2008 |
Externally published | Yes |
Event | 68th Semi-Annual IEEE Vehicular Technology Conference - Calgary, Canada Duration: 21 Sep 2008 → 24 Sep 2008 Conference number: 68 |
Conference
Conference | 68th Semi-Annual IEEE Vehicular Technology Conference |
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Abbreviated title | VTC 2008-Fall |
Country/Territory | Canada |
City | Calgary |
Period | 21/09/08 → 24/09/08 |