Title :
Wideband CDMA modem for Korea Telecom IMT-2000 testbed system
Author :
June Chul Roh ; Yong Ho Kim ; Chan Eui Yun ; Hyun Myung Pyo ; Gilsoon Kang
Author_Institution :
Wireless Commun. Res., Korea Telecom, Seoul, South Korea
Abstract :
This paper describes the design and implementation of wideband code division multiple access (CDMA) modem for the Korea Telecom (KT) International Mobile Telecommunications 2000 (IMT-2000) testbed system. We have been working on two air interfaces, one of which is based on inter-cell synchronous CDMA and the other on inter-cell asynchronous CDMA. Both air interfaces are designed to accommodate chip rates of 4.196, 8.192, and 16.384 Mcps (chip per second) corresponding to radio frequency (RF) bandwidths of 5, 10, and 20 MHz, respectively. These two air interfaces are being implemented in the first and second testbed systems, respectively. In this paper, we focus on the first phase system, especially on the design and implementation of the wideband CDMA modem.
Keywords :
broadband networks; cellular radio; code division multiple access; modems; radio access networks; radio equipment; 10 MHz; 20 MHz; 5 MHz; International Mobile Telecommunications 2000; Korea Telecom; Korea Telecom IMT-2000 testbed system; air interfaces; chip rates; design; implementation; inter-cell asynchronous CDMA; inter-cell synchronous CDMA; radio frequency bandwidth; wideband CDMA modem; wideband code division multiple access; Modems; Multiaccess communication; Personal communication networks; Proposals; Radio frequency; Spread spectrum communication; System testing; Telecommunications; Wideband; Wireless communication;
Conference_Titel :
Communication Technology Proceedings, 1998. ICCT '98. 1998 International Conference on
Conference_Location :
Beijing, China
Print_ISBN :
7-80090-827-5
DOI :
10.1109/ICCT.1998.743335
