On the Outage Probability and BER of MRC and EGC Space-Diversity Reception over Ricean Fading with LMMSE Channel Estimation

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Ali J., Ertuğ Ö.

Telecommunications Forum 2009, Belgrade, Sırbistan, 24 - 26 Kasım 2009, ss.496-499

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Basıldığı Şehir: Belgrade
  • Basıldığı Ülke: Sırbistan
  • Sayfa Sayıları: ss.496-499
  • Gazi Üniversitesi Adresli: Evet

Özet

In this paper, the effect of imperfect channel

estimation (ICE) on maximal-ratio combining (MRC) and

equal-gain combining (EGC) in receive antenna diversity

systems with M-level quadrature amplitude modulation (MQAM)

are examined. The channel is assumed to be spatiallyindependent

frequency-flat with Ricean fading and AWGN.

Average BERs and outage probability of MRC and EGC

antenna diversity combining schemes are analyzed via

Monte-Carlo simulations versus average received bit SNR

per antenna and specified outage threshold 􀢽􀢚􀢎 respectively

for various values of Ricean K-factor, number of antennas L

and normalized channel estimation correlation coefficient 􀣋

to show the actual diversity gain with these combining

schemes under realistic LMMSE-based channel estimation

scenarios for pilot-symbol aided modulation (PSAM).

Keywords — Diversity reception, minimum mean square

error channel estimation, quadrature amplitude modulation

(QAM), Ricean fading channel.