Title :
A novel architecture design for multicode CDMA rake receiver
Author :
Hwang, Sangyun ; Seongjoo Lee ; Kim, Jaeseok ; Chaehag Lee ; Jun, Sunghwan
Author_Institution :
Dept. of Electr. Eng., Yonsei Univ., Seoul, South Korea
fDate :
6/21/1905 12:00:00 AM
Abstract :
We propose a new architecture design for the Multicode CDMA (MC-CDMA) rake receiver. It contains one searcher module, three independent fat finger modules, and one combiner for the demodulation of high-rate data. We compare the hardware complexity of the proposed architecture with a conventional CDMA rake receiver in terms of the number of Walsh code channels. The result shows that our proposed architecture has a 12% and 18.6% reduction in gate count when the number of Walsh code channels is 4 and 7, respectively
Keywords :
application specific integrated circuits; cellular radio; circuit complexity; circuit simulation; code division multiple access; demodulators; hardware description languages; radio receivers; CDMA cellular system; VHDL simulation; Walsh code channels; Walsh demodulators; architecture design; combiner; fat finger modules; gate count; gate-level circuit; hardware complexity; high-rate data demodulation; multicode CDMA rake receiver; searcher module; Base stations; Correlators; Demodulation; Fading; Fingers; Hardware; Multiaccess communication; Multicarrier code division multiple access; Multipath channels; RAKE receivers;
Conference_Titel :
ASICs, 1999. AP-ASIC '99. The First IEEE Asia Pacific Conference on
Conference_Location :
Seoul
Print_ISBN :
0-7803-5705-1
DOI :
10.1109/APASIC.1999.824126
