Title :
On the bit error probabilities of GMSK in the Rayleigh fading channels
Author :
Lee, Sang U. ; Chung, Young M. ; Kim, Jae M.
Author_Institution :
Dept. of Control & Instrum. Eng., Seoul Nat. Univ., South Korea
Abstract :
Coherent detection of Gaussian minimum shift keying (GMSK) in a land mobile radio environment is analyzed. The effects of cochannel and adjacent channel interference are considered. Use is made of the MSK-type receiver for a demodulation, and correct carrier recovery and timings are assumed. A closed-form expression for the BER (bit error rate) is derived. Numerical results are presented and compared with those for MSK. The simulation results indicate that the effect of cochannel interference is more significant than that of the adjacent channel. It is also observed that in the case of adjacent channel interference GMSK is slightly superior to MSK when the interference signal is strong. This confirms that GMSK possesses attractive power spectrum properties for digital mobile radio application
Keywords :
fading; minimum shift keying; mobile radio systems; signal detection; BER; GMSK; Gaussian minimum shift keying; Rayleigh fading channels; adjacent channel; bit error probabilities; carrier recovery; channel interference; cochannel interference; demodulation; land mobile radio; power spectrum; signal detection; Bit error rate; Demodulation; Fading; Interchannel interference; Land mobile radio; Maximum likelihood detection; Modulation; Rayleigh channels; Receivers; Timing;
Conference_Titel :
Vehicular Technology Conference, 1988, IEEE 38th
Conference_Location :
Philadelphia, PA
DOI :
10.1109/VETEC.1988.195368
