Title :
The perspectives of large area synchronous CDMA technology for the fourth-generation mobile radio
Author_Institution :
Beijing Univ. of Posts & Telecommun., China
fDate :
3/1/2003 12:00:00 AM
Abstract :
Some basic relations among system bandwidth, threshold SIR, maximum number of access users, as well as system spectral efficiency are studied for both traditional CDMA and large area synchronous CDMA (LAS-CDMA). The perspectives of LAS-CDMA for the 4G are also studied.
Keywords :
4G mobile communication; code division multiple access; digital radio; multiuser channels; radiofrequency interference; spectral analysis; 4G; CDMA; LAS-CDMA; code-division multiple access; digital radio communications system; fourth-generation mobile radio; large area synchronous CDMA technology; system bandwidth; system spectral efficiency; threshold SIR; Autocorrelation; Bandwidth; Code division multiplexing; Interference elimination; Land mobile radio; Multiaccess communication; Noise level; Signal analysis; Signal processing; Spectral analysis;
Journal_Title :
Communications Magazine, IEEE
DOI :
10.1109/MCOM.2003.1186554