Service scheduling for general packet radio service classes

TitleService scheduling for general packet radio service classes
Publication TypeConference Paper
Year of Publication1999
AuthorsPang, Q., A. Bigloo, V. C. M. Leung, and C. Scholefield
Conference NameWireless Communications and Networking Conference, 1999. WCNC. 1999 IEEE
Pagination1229 -1233 vol.3
Keywordscellular radio, channel utilization, connection admission control, delay profiles, e-mail, earliest deadline first, FIFO, fleet management, forward link, General Packet Radio Service, GPRS classes, GPRS data connection, GSM network, packet radio networks, QoS management, QoS profiles, quality of service, queueing theory, scheduling, service scheduling, static priority scheduling, telecommunication traffic, traffic scheduling, traffic shaping, World Wide Web applications

While the quality of service (QoS) profiles for a number of general packet radio service (GPRS) classes has been specified by ETSI, how QoS management is provided by means of traffic scheduling, traffic shaping, and connection admission control, in a GPRS network is an implementation issue that is attracting significant current research interest. This paper presents an evaluation of several traffic scheduling methods, including of FIFO, static priority scheduling (SPS) and earliest deadline first (EDF) by simulations, with the objective of meeting the delay profiles defined for a number of GPRS classes. Traffic sources representative of GPRS applications, including e-mail, fleet management and World Wide Web applications are employed. We focus on the forward link which represents the bottleneck of a typical GPRS data connection. Results show that EDF is able to meet the delay requirements at a much higher channel utilization compared to the other alternatives


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