UWB channel estimation with various sampling rate options

Güvenç I., ARSLAN H.

2005 IEEE/Sarnoff Symposium on Advances in Wired and Wireless Communication, Princeton, NJ, Amerika Birleşik Devletleri, 18 - 19 Nisan 2005, cilt.2005, ss.229-232 identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Cilt numarası: 2005
  • Doi Numarası: 10.1109/sarnof.2005.1426551
  • Basıldığı Şehir: Princeton, NJ
  • Basıldığı Ülke: Amerika Birleşik Devletleri
  • Sayfa Sayıları: ss.229-232
  • İstanbul Medipol Üniversitesi Adresli: Evet

Özet

In this paper, channel estimation algorithms for multiuser ultrawideband (UWB) communication systems using symbol-spaced, frame-spaced, and chip-spaced sampling are proposed and analyzed. Assuming perfect synchronization to the desired multipath delays, symbol-spaced sampling allows both training-based, and semi-blind channel estimation. Increasing the sampling rate introduces more complexity, however, this allows additional signal processing capability, enabling improved receiver performance. By processing the frame-spaced samples, simple and low complexity pulse-discarding channel-estimators can be implemented to suppress multiuser interference effects. Chip-spaced sampling allows implementation of all-Rake (ARake) receivers using the least-squares channel estimation, and without the need for multiple analog matched filters.