Title :
Performance of multi-h DS-CDMA in multipath Rayleigh fading channels with multi-user interference and uplink diversity
Author :
Jacquemin, P. ; Rodrigues, A.J. ; Vandendorpe, Luc
Author_Institution :
UGL Telecommun. & Remote Sensing Lab., Louvain-la-Neuve, Belgium
Abstract :
In this paper, multi-h continuous-phase modulation (CPM) is combined with a direct-sequence spread spectrum system and the performance is assessed in a multipath channel in the presence of multi-user interference. An analytical model for the evaluation of spread spectrum multi-h (SSMH) in a Rayleigh indoor channel with multi-user interference is presented. This study is performed considering a coherent receiver structure which is optimum for AWGN. Also the use of diversity techniques is inspected in order to obtain improved performance in the receiver. Three different types of diversity are considered: selection diversity, equal gain combining and maximal ratio combining
Keywords :
Gaussian channels; Rayleigh channels; code division multiple access; continuous phase modulation; diversity reception; indoor radio; multipath channels; pseudonoise codes; radio receivers; radiofrequency interference; spread spectrum communication; AWGN; Rayleigh indoor channel; coherent receiver structure; direct-sequence spread spectrum system; equal gain combining; maximal ratio combining; multi-h DS-CDMA; multi-h continuous-phase modulation; multi-user interference; multipath Rayleigh fading channels; performance; selection diversity; spread spectrum multi-h; uplink diversity; AWGN; Correlators; Costs; Delay; Fading; Gaussian noise; Interference; Multiaccess communication; Spread spectrum communication; Viterbi algorithm;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 1995. PIMRC'95. Wireless: Merging onto the Information Superhighway., Sixth IEEE International Symposium on
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-3002-1
DOI :
10.1109/PIMRC.1995.476879
