Turbo decoding on Rayleigh fading channels with noisy channel estimates
Paper i proceeding, 1999

A new metric for Turbo decoding on Rayleigh fading channels with noisy channel estimates is derived. By including the error variance of the channel estimate in the decoder metric derivation, we calculate the correct channel reliability factor for this case. Simulations show that the SNR gain of using this new metric, compared to if we ignore the uncertainty of the channel estimate, may be as large as 1 dB at a bit error probability of 10(-3). This gain is obtained without any complexity increase.

Rayleigh fading channels

channel estimation

Turbo decoding

BPSK modulation

Författare

Pål Frenger

Chalmers, Signaler och system, Kommunikationssystem, informationsteori och antenner, Kommunikationssystem

Proceedings IEEE Vehicular Technology Conference, Houston, Texas

pages 884-888

Ämneskategorier

Data- och informationsvetenskap

DOI

10.1109/VETEC.1999.780475