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A New Pilot-Signal based Space-Time Adaptive Algorithm

In English

Författare

  • Nedelko Grbic
  • Sven Nordholm
  • Jörgen Nordberg
  • Ingvar Claesson

Summary, in English

In the application of adaptive antenna arrays to wireless communications, a known pilot signal sequence may be used for estimating the array response at the beginning of each data frame. This pilot sequence is usually very short and conventional training methods which estimate the array response, based solely on this training sequence, may incur large estimation errors. In this paper, we propose an online modified weighted recursive least squares type of training algorithm for estimating the optimal array response by exploiting information from the whole frame of the received signal. The benefits of the proposed algorithm is that tracking of coherent noise and interference signals is substantially improved, and the overall performance is increased. Simulation results show that the proposed methodoffers substantialimprovementwhencompared to the conventional least squares method.

Publiceringsår

2001-02

Språk

Engelska

Publikation/Tidskrift/Serie

Proceedings of International Conference on Telecommunications : IEEE ICT 2001

Dokumenttyp

Konferensbidrag

Ämne

  • Signal Processing

Conference name

IEEE International Conference on Telecommunications (ICT 2001)

Conference date

2001-06-04 - 2001-06-07

Conference place

Bucharest, Romania

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 973-99995-1-4