Title :
Receiver design in multicarrier DS CDMA communications
Author :
Yin, Hujun ; Liu, Hui
Author_Institution :
Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA
Abstract :
We consider the design of multiuser receivers for improving the performance of MC DS CDMA communications over fading channels. We present a class of spreading codes that reduces the dimension of MMSE receiver and ML receiver without any performance loss. These codes are shown to be optimum for independent fading channels under a code design criterion derived. Simulation results are provided to demonstrate the significant gains in performance and simplicity due to the proposed techniques
Keywords :
code division multiple access; codes; fading channels; least mean squares methods; maximum likelihood estimation; multiuser channels; radio receivers; spread spectrum communication; ML receiver; MMSE receiver; code design criterion; fading channels; independent fading channels; multicarrier DS CDMA communications; multiuser receiver design; performance; receiver dimension dimension reduction; simulation results; spreading codes; Baseband; Demodulation; Fading; Frequency; Modulation coding; Multiaccess communication; Multicarrier code division multiple access; Narrowband; Performance loss; Spread spectrum communication;
Conference_Titel :
Communications, 1999. ICC '99. 1999 IEEE International Conference on
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-5284-X
DOI :
10.1109/ICC.1999.765408
