Title :
Successive cancellation of adjacent channel signals in FDMA/TDMA digital mobile radio systems
Author :
Arslan, Hüseyin ; Gupta, S.C. ; Bottomley, G.E. ; Chennakeshu, Sandeep
Author_Institution :
Dept. of Electr. Eng., Southern Methodist Univ., Dallas, TX, USA
Abstract :
Capacity and signal quality can be improved in mobile radio systems by designing digital receivers with interference mitigation capability. In this paper, coherent MLSE receivers based on successive cancellation of adjacent channel interference in FDMA/TDMA mobile radio systems are developed. The proposed technique requires estimation of impulse response of the desired and adjacent channels, these are obtained via a novel approach employing pulse shaping information and band extrapolation. The receiver is simulated for the GSM digital cellular system under Rayleigh and Rician fading. The results show substantial improvements in bit error rate in interference limited environments
Keywords :
Rayleigh channels; Rician channels; adjacent channel interference; cellular radio; digital radio; extrapolation; frequency division multiple access; interference suppression; maximum likelihood sequence estimation; mobile radio; radio receivers; time division multiple access; FDMA/TDMA mobile radio; GSM digital cellular system; Rayleigh fading; Rician fading; adjacent channel interference; band extrapolation; bit error rate; channel estimation; coherent MLSE receivers; digital mobile radio; digital receivers; impulse response; interference limited environments; interference mitigation capability; pulse shaping information; signal quality; successive cancellation; Extrapolation; Frequency division multiaccess; Interchannel interference; Interference cancellation; Land mobile radio; Maximum likelihood estimation; Pulse shaping methods; Receivers; Signal design; Time division multiple access;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686050
