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Characterization of error sequences in UHF digital mobile radio channels

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4 Author(s)
Semmar, A. ; Dept. of Electr. Eng., Laval Univ., Que., Canada ; Lecours, M. ; Chouinard, J.-Y. ; Ahern, J.

A statistical characterization of transmission errors for digital mobile radio links at 910 MHz in different types of urban areas is presented. Error sequences for messages of 2-s duration at a nominal rate of 20-kb/s for binary-phase-shift-keying (BPSK) demodulated transmissions have been obtained and characterized by Fritchman's channel model, including one error state and two to four error-free states. In the data analyzed, no trend has been observed in the Fritchman parameter as a function of the type of area or of vehicle speed. Typical Fritchman's parameters are established for low and intermediate error rate channels (on the order of 10-3 and 10 -2 error rates) and for higher error rate channels. Results are also presented for a limited sample of quadrature-phase-shift-keying (QPSK) demodulated 40-kb/s transmissions

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Vehicular Technology, IEEE Transactions on  (Volume:40 ,  Issue: 4 )