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On channel estimation in OFDM systems

Publiceringsår: 1995
Språk: Engelska
Sidor: 815-819
Publikation/Tidskrift/Serie: Proc. IEEE Vehicular Technology Conference
Volym: 2
Dokumenttyp: Konferensbidrag
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


The use of multi-amplitude signaling schemes in wireless OFDM systems requires the tracking of the fading radio channel. The paper addresses channel estimation based on time-domain channel statistics. Using a general model for a slowly fading channel, the authors present the MMSE and LS estimators and a method for modifications compromising between complexity and performance. The symbol error rate for a 18-QAM system is presented by means of simulation results. Depending upon estimator complexity, up to 4 dB in SNR can be gained over the LS estimator


  • Electrical Engineering, Electronic Engineering, Information Engineering


IEEE Vehicular Technology Conference, 1995
  • ISSN: 1090-3038
  • ISBN: 0-7803-2742-X

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