An Efficient Resource Allocation with Adaptive Rate Scheduling For WCDMA Networks
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2016, Vol 18, Issue 2
Abstract
Abstract: WCDMA is a spread spectrum technique that uses a unique spreading code to spread the data before transmission based on its orthogonal property. WCDMA is mainly used for 3rd generation cellular and mobilenetworks. In Centralized Call Admission Control (CCAC) technique, when a new call arrives into the system, it checks whether the call should be admitted or not on the basis of signal to interference ratio (SIR) and transmission power in the network. If the call is accepted, it will create some interference to the new arrivals during data transmission and reception. This new interference would degrade the performance of new arrival users. Hence, proper Resource Allocation in the network is very essential to regulate the Real Time traffic with guaranteed quality of service (QoS). At the same time, Scheduling also plays an important role to monitor the Real Time traffic. This paper proposes a novel approach to Resource Allocation with Connection Admission Control (RA-CAC) and Adaptive Rate Scheduling (ARS) scheme to minimize delay by maximum resource utilization for Real time traffic with better QoS. The simulation results show that the proposed scheme can significantly increase packet delivery ratio, throughput & reduce delay.
Authors and Affiliations
Vandana Khare , Dr. Y. Madhavee Latha , Dr. D. Sreenivasa Rao
Keywords
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