Title :
Analysis of power control and its imperfections in CDMA cellular systems
Author :
Tam, Wai-Man ; Lau, Francis C M
Author_Institution :
Dept. of Electron. Eng., Hong Kong Polytech., Kowloon, Hong Kong
fDate :
9/1/1999 12:00:00 AM
Abstract :
We develop a general model to study the forward-link capacity of a code-division multiple access (CDMA) cellular system with power control. Using this model, two forward-link power control schemes (nth-power-of-distance power control scheme and optimum power control scheme) are examined. The increase in capacity by using power control has been studied. The capacities of the forward link are also compared with those of the reverse link with perfect power control. In the case of imperfect power control, an analytical model is presented to study the effect of power control error in a CDMA cellular system. The effect of the dynamic range of transmission, moreover, has also been analyzed
Keywords :
cellular radio; channel capacity; code division multiple access; multiuser channels; power control; radio links; radiofrequency interference; telecommunication control; CDMA cellular systems; analytical model; code-division multiple access; dynamic transmission range; forward-link capacity; forward-link power control; imperfect power control; interference model; nth-power-of-distance power control; optimum power control; perfect power control; power control error; reverse link; Analytical models; Base stations; Control system analysis; Dynamic range; Error correction; Interference; Multiaccess communication; Power control; Power measurement; Power system modeling;
Journal_Title :
Vehicular Technology, IEEE Transactions on
