Title :
On capacity and spreading in CDMA systems
Author :
Motani, Mehul ; Veeravalli, Venugopal V. ; Heegard, Chris
Author_Institution :
Cornell Univ., Ithaca, NY, USA
Abstract :
The problem of maximizing a weighted linear combination of the rates of users in a multiuser synchronous CDMA system is considered. We find that although spreading decreases capacity, nontrivial low rate coding can help to mitigate this loss
Keywords :
AWGN channels; channel capacity; code division multiple access; encoding; multiuser channels; spread spectrum communication; AWGN channel; additive white Gaussian noise channel; information theory; multiuser capacity regions; multiuser synchronous CDMA system; nontrivial low rate coding; spread spectrum system; system capacity; system spreading; weighted linear rate combination; AWGN; Additive white noise; Bandwidth; Code division multiplexing; Communication systems; Fourier transforms; Gaussian noise; Measurement; Multiaccess communication; Spread spectrum communication;
Conference_Titel :
Information Theory, 2000. Proceedings. IEEE International Symposium on
Conference_Location :
Sorrento
Print_ISBN :
0-7803-5857-0
DOI :
10.1109/ISIT.2000.866423
