Title :
On the performance of fast forward link power control in IS-2000 CDMA networks
Author :
Paranchych, David W.
Author_Institution :
Nortel Networks, Richardson, TX, USA
Abstract :
The quality of fast forward link power control in IS-2000 CDMA systems is examined by comparing it to ideal power control, for a one-path Rayleigh channel model. Closed form expressions are derived that relate average transmitted power and average received signal-to-noise ratio for ideal power control. Simulations are used to compare the power control achievable in a Radio Configuration 3 (RC3) IS-2000 system with that of ideal power control, for the case of a slowly moving (3 kmm) mobile. In this case, IS-2000 power control requires 4 dB more power than ideal power control for 1% frame error rate (FER), and 1.3 dB for an FER of 10%. The narrow margin for improvement at large FER targets makes it unlikely that substantial capacity gain can be achieved from improved power control in networks carrying mostly data traffic, since FER targets are likely to be higher for data than for voice
Keywords :
Rayleigh channels; cellular radio; channel capacity; code division multiple access; data communication; error statistics; multiuser channels; power control; radio links; radio networks; telecommunication control; telecommunication traffic; voice communication; FER; IS-2000 CDMA networks; RC3 IS-2000 system; Radio Configuration 3; SNR; average received signal-to-noise ratio; average transmitted power; cellular radio; closed form expressions; data traffic; fast forward link power control; frame error rate; ideal power control; one-path Rayleigh channel model; performance; voice traffic; Bandwidth; Bit rate; Fading; Intelligent networks; Multiaccess communication; Power control; Power generation; Radio frequency; Rayleigh channels; Signal to noise ratio;
Conference_Titel :
Wireless Communications and Networking Confernce, 2000. WCNC. 2000 IEEE
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-6596-8
DOI :
10.1109/WCNC.2000.903920
