Title :
Performance comparison of direct spread and multicarrier CDMA systems
Author :
Jalali, Ahmad ; Gutierrez, Alberto
Author_Institution :
Nortel Wireless Networks, Richardson, TX, USA
Abstract :
The objective of this paper is to compare the forward link performance of a direct spread CDMA system with a spreading bandwidth of 3.6864 MHz and a multicarrier system consisting of 3 carriers each with a spreading bandwidth of 1.2288 MHz. In addition to providing a description of a multicarrier method, which is under consideration for the forward link of the next generation CDMA cellular/PCS systems, this paper summarizes performance comparison results of the two systems for a data rate of 9.6 kbps with the IMT-2000 vehicular and pedestrian channel models. The results indicate that the two systems have comparable performance for the above data rate and the IMT-2000 channel models
Keywords :
cellular radio; code division multiple access; digital radio; multipath channels; personal communication networks; spread spectrum communication; 1.2288 MHz; 3.6864 MHz; 9.6 kbit/s; DS-CDMA; IMT-2000; cellular/PCS systems; data rate; direct spread CDMA system; forward link; forward link performance; multicarrier CDMA system; multicarrier method; pedestrian channel model; performance comparison; spreading bandwidth; third generation personal communications; unresolvable multipath; vehicular model; Bandwidth; Frequency diversity; Lakes; Multiaccess communication; Multicarrier code division multiple access; Power control; Power system modeling; Quality of service; Wideband; Wireless networks;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686115
