Title :
A novel selective combining demodulator for unresolvable multipath in DS-SpSp
Author :
Hasson, Jaime ; Bobrovsky, Ben Zion
Author_Institution :
Dept. of Electr. Eng.-Syst., Tel Aviv Univ., Israel
Abstract :
The behaviour of the noncoherent delay lock loop (DLL) under unresolvable Rayleigh fading paths is presented and its effect on the BER of a conventional single path demodulator BER is shown. A novel selective combiner demodulator which take advantage of the S-curve distortion is introduced. Computer simulations of optimal and sub-optimal selective combiners were carried out and their improvement over the conventional demodulator are shown
Keywords :
Rayleigh channels; delay lock loops; demodulators; diversity reception; error statistics; multipath channels; optimisation; spread spectrum communication; BER; DS-SS; S-curve distortion; computer simulations; delay lock loop; direct sequence spread spectrum; multipath fading; noncoherent DLL; selective combiner demodulator; selective combining demodulator; single path demodulator; unresolvable Rayleigh fading paths; unresolvable multipath; wireless communication; Bit error rate; Correlators; Delay; Demodulation; Diversity reception; Fading; Fingers; Multipath channels; Rayleigh channels; Signal resolution;
Conference_Titel :
Vehicular Technology Conference, 2001. VTC 2001 Spring. IEEE VTS 53rd
Conference_Location :
Rhodes
Print_ISBN :
0-7803-6728-6
DOI :
10.1109/VETECS.2001.944571
