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Capacity estimation for a multicode CDMA system with SIR-based power control

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2 Author(s)
Duk Kyung Kim ; SK Telecom Central Res. & Dev. Lab., Kyunggi, South Korea ; Dan Keun Sung

Capacity estimation in code division multiple access (CDMA) systems is an important issue which is closely related to power control. Strength-based power control has been assumed in most analyses in which other cell interference was considered as a known and fixed variable. However, in signal-to-interference ratio (SIR)-based power-control systems, power control and other cell interference are closely related to each other and capacity can be obtained by considering this relationship. This study derives the reverse-link capacity of an SIR-based power-controlled multicode CDMA system supporting heterogeneous CBR and on-off traffic in a multiple cell environment. Mean and variance statistics of total other cell interference, and the effects of traffic and propagation parameters on system capacity are investigated

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Vehicular Technology, IEEE Transactions on  (Volume:50 ,  Issue: 3 )