Wcdma for Umts
Code Placement and Replacement Strategies for Wideband CDMA OVSF Code Tree Management
IEEE Transactions on Mobile Computing
Fundamentals of Applied Probability Theory
Fundamentals of Applied Probability Theory
Wideband DS-CDMA for next-generation mobile communications systems
IEEE Communications Magazine
UMTS/IMT-2000 based on wideband CDMA
IEEE Communications Magazine
Dynamic assignment of orthogonal variable-spreading-factor codes in W-CDMA
IEEE Journal on Selected Areas in Communications
EURASIP Journal on Wireless Communications and Networking
Reducing wastage capacity in OVSF based CDMA networks using dynamic rake combiners
WSEAS TRANSACTIONS on COMMUNICATIONS
Code scattering and reduction in OVSF code blocking for 3G and beyond mobile communication systems
WSEAS TRANSACTIONS on COMMUNICATIONS
Fair Single Code and Multi Code Designs for 3G and Beyond CDMA Systems
Wireless Personal Communications: An International Journal
Top Down Code Search to Locate An Optimum Code and Reduction in Code Blocking for CDMA Networks
Wireless Personal Communications: An International Journal
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Efficient resource allocation for requests is an important issue in the radio resource management. In the third generation mobile communication systems, Orthogonal Variable Spreading Factor (OVSF) codes are used for spreading codes. In this paper, we consider the OVSF code allocation problem for supporting real-time services in which the service time of a request can be obtained a priori. The impact of the remaining time factor on the OVSF code allocation in W-CDMA systems is investigated. Two time-based allocation schemes are proposed for code assignment and reassignment. This paper represents the first attempt on addressing the remaining time impact on the OVSF code allocation. Simulation results show that the time-based allocation schemes have better performance on reducing the blocking probability and the reassignment cost.