Title :
CDMA dynamic cell configuration scheme for voice/data integrated traffic
Author :
Takeo, Kohji ; Sato, Shinich
Author_Institution :
YRP Center, YRP Mobile Telecommun. Key Technol. Res. Labs., Yokosuka, Japan
Abstract :
One way of accommodating integrated traffic having various transmission rates is to use a multi-code transmission in CDMA mobile communications systems. The simultaneous transmission of multiple signals, however, increases call blocking and degrades communications quality. We previously proposed a dynamic cell configuration (DCC) scheme for reducing the adverse effects of non-uniform traffic in CDMA systems. In the present study, we evaluated the DCC performance for environments in which voice/data integrated traffic is flowing using multi-code transmission. It is shown that the use of DCC reduces call blocking probability and improves communications quality for data-users as well as voice-users
Keywords :
cellular radio; code division multiple access; integrated voice/data communication; probability; quality of service; telecommunication traffic; CDMA dynamic cell configuration; call blocking probability reduction; communications quality; mobile communications systems; multi-code transmission; multiple signals transmission; nonuniform traffic; performance evaluation; transmission rates; voice/data integrated traffic; Communication industry; Communication system control; Communication system traffic control; Degradation; Interference; Laboratories; Mobile communication; Multiaccess communication; Multimedia systems; Telecommunication traffic;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686443