Performance Boosting in IDMA System Using Helical Interleaver and Gold Codes

2012 ◽  
Author(s):  
Aasheesh Shukla ◽  
Suneel Kumar ◽  
Vishal Goyal ◽  
V.K. Deolia
Keyword(s):  
Gold Codes

scholarly journals Analysis of the Performance of Optical Code-Division Multiple-Access System (OCDMA), Operating with Gold Codes under Nonlinear Effects

2013 ◽  
Vol 05 (02) ◽  
pp. 49-57 ◽  
Author(s):  
Glendo de Freitas Guimarães ◽  
Agliberto Melo Bastos ◽  
Alisson da Conceição Ferreira ◽  
Alex Sander Barros Queiroz ◽  
José Wally Mendonça Menezes ◽  
...  
Keyword(s):  
Code Division Multiple Access ◽  
Multiple Access ◽  
Nonlinear Effects ◽  
Access System ◽  
Gold Codes ◽  
Code Division Multiple ◽  
Multiple Access System

scholarly journals Improvement of BER performance in MIMO–CDMA systems by using initial–phase optimized gold codes

2013 ◽  
Vol 64 (1) ◽  
pp. 38-43 ◽  
Author(s):  
Ibrahim Develi ◽  
Meryem Filiz
Keyword(s):  
Fading Channels ◽  
Interference Cancellation ◽  
Initial Phase ◽  
Multiple Input Multiple Output ◽  
Cdma System ◽  
Gold Codes ◽  
Output Code ◽  
Input Multiple Output ◽  
Code Division Multiple ◽  
Ber Performance

This paper describes a new approach to improve the bit error rate (BER) performance of a multiple-input multiple-output code-division multiple-access (MIMO-CDMA) system over quasi-static Rayleigh fading channels. The system considered employs robust space-time successive interference cancellation detectors and initial-phase optimized Gold codes for the improvement. The results clearly indicate that the use of initial-phase optimized Gold codes can significantly improve the BER performance of the system compared to the performance of a multiuser MIMO-CDMA system with conventional nonoptimized Gold codes. Furthermore, this performance improvement is achieved without any increase in system complexity.

Gold codes, Hadamard partitions and the security of CDMA systems

2008 ◽  
Vol 51 (3) ◽  
pp. 231-243 ◽  
Author(s):  
Derek H. Smith ◽  
Richard P. Ward ◽  
Stephanie Perkins
Keyword(s):  
Gold Codes ◽  
Cdma Systems
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