Quality of service support for multimedia traffic in mobile networks using a CDMA novel scheduling scheme

Authors:
Aldo Mendez;Marco Panduro;David Covarrubias;Rene Dominguez;Gerardo Romero
Affiliations:
Autonomous University of Tamaulipas, Reynosa-Rodhe Multidisciplinary Academic Center, Carretera Reynosa-San Fernando, Reynosa, Tamaulipas, 88779 México;Autonomous University of Tamaulipas, Reynosa-Rodhe Multidisciplinary Academic Center, Carretera Reynosa-San Fernando, Reynosa, Tamaulipas, 88779 México;Wireless Communications Group, CICESE Research Center, Km. 107 Carretera Tijuana-Ensenada, Ensenada, Baja California, 22860 México;Autonomous University of Tamaulipas, Reynosa-Rodhe Multidisciplinary Academic Center, Carretera Reynosa-San Fernando, Reynosa, Tamaulipas, 88779 México;Autonomous University of Tamaulipas, Reynosa-Rodhe Multidisciplinary Academic Center, Carretera Reynosa-San Fernando, Reynosa, Tamaulipas, 88779 México
Venue:
Computers and Electrical Engineering
Year:
2006

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Abstract

There is a growing interest in scheduling schemes with QoS (Quality of Service) guarantees for multimedia traffic in mobile cellular networks based on CDMA (Code Division Multiple Access). In this paper, scheduling scheme that provides flexibility in bandwidth allocation and QoS is proposed. In addition, admission control guarantees the E"b/N"o for multimedia traffic considering a perfect-power control (PPC) and closed-power control (CPC). The scheme employs the GPS (Generalized Processor Sharing) service discipline to allocate resources. When comparing the proposed scheme to the existing CDMA-GPS, the results show an improvement in system performance in terms of dropped packets, delay and increased operational throughputs.