General Packet Radio Service Mario Baldi (Technical University of Torino) mario.
baldi[at]polito. it staff. polito. it/mario. baldi © M. Baldi: see page 2 GPRS Politecnico di Torino Copyright Notice This set of transparencies, hereinafter referred to as slides, is protected by copyright laws and provisions of International Treaties.
The title and copyright regarding the slides (including, but not limited to, each and every image, photography, animation, video, audio, music and text) are property of the authors specified on page 1.The slides may be reproduced and used freely by research institutes, schools and Universities for non-profit, institutional purposes. In such cases, no authorization is requested. Any total or partial use or reproduction (including, but not limited to, reproduction on magnetic media, computer networks, and printed reproduction) is forbidden, unless explicitly authorized by the authors by means of written license. Information included in these slides is deemed as accurate at the date of publication.
Such information is supplied for merely educational purposes and may not be used in designing systems, products, networks, etc.In any case, these slides are subject to changes without any previous notice. The authors do not assume any responsibility for the contents of these slides (including, but not limited to, accuracy, completeness, enforceability, updated-ness of information hereinafter provided). In any case, accordance with information hereinafter included must not be declared.
In any case, this copyright notice must never be removed and must be reported even in partial uses. GPRS - 2 © M. Baldi: see page 2 Generalities Based on the existing GSM infrastructure Packet switching functionality Better data transfer rates Statistical multiplexingTraffic based billing Migration Path to 3G Networks GPRS - 3 © M. Baldi: see page 2 Service Types Point-to-Point Internet access by user Point-to-Multipoint Delivery of information (e. g. news) to multiple locations or interactive conference applications GPRS - 4 © M.
Baldi: see page 2 Circuit Switched Data (CSD) Before GPRS A channel is allocated to user for duration of connection Inefficient use of resources Time-based billing Deterministic quality of service Resources allocated to communication Suitable to real-time applications GPRS - 5 © M. Baldi: see page 2
