The evolution of European mobile communication systems towards the third generation (3G) is based on GSM (Global System for Mobile communications) [1]. A first step in the evolution is the General Packet Radio Service (GPRS) [2], [3], which truly supports packet switched data services. Our goal is to investigate the efficiency of different algorithms used for resource allocation in data transfe...

A fundamental issue in GSM/GPRS networks planning is the choice of an appropriate resource allocation strategy at MAC layer to allow data and voice users to share the common transport media. Our goal is to quantitatively evaluate the convenience, in terms of efficient radio resources utilization, of reserving a few timeslots in each TDMA frame to GPRS traffic rather than adopting a “complete-sh...

Within the next year the first GPRS wireless packet data networks will be operable in Europe. In this paper, we study the capacity of the GPRS air interface under various conditions. For the analysis of the underlying Radio Link Control (RLC) protocol and the Medium Access Control (MAC) layer a simulative approach using OPNET is applied. Performance results for the RLC/MAC protocol are given fo...

An attempt has been made in this paper to access the control layer of the General Packet Radio Service (GPRS) network base station (BS), using throughput optimization. We focus on the effect of packet transmissions on the throughput of forwardlink (downlink) power balancing, with specific interest on the relative throughput of the four GPRS coding schemes for a realistic GPRS network operating ...

GSM/GPRS networks have been designed to carry both voice and data traffic. Our aims are to study the behaviour of the GPRS mechanisms (RLC/MAC layer and radio resource scheduler) when the application layer carries packetized voice, and determine if the quality of service provided by the network is suitable for the VoIP service. The paper includes a discussion about the voice source model, an an...

As wireless services have become increasingly integrated and their demand is mounting, Wi-Fi provides an appealing opportunity for the GSM/GPRS operators to enhance their data capability. By integrating both networks, operators are able to provide 3G-like services. However, both networks have different data rates and capacity, which makes pricing a challenging issue. In this paper we propose a ...

This paper deals with the design of an intelligent access control system based on the fingerprint sensor FPC1011C. The design uses the S3C2410 and TMS320VC5510A as the system processor. A fingerprint acquisition module and a wireless alarm module were designed by using the fingerprint sensor FPC1011C and GPRS module SIM100 respectively. The whole system was implemented wireless alarm through me...

In this paper, we investigate the performance of service disciplines for packet-switched wireless networks in the context of General Packet Radio Service (GPRS). The GPRS is a new additional GSM service, which provide packet switched data services over GSM network and a packet access to data networks. Using either best effort service or guaranteed performance service, the service discipline aff...

In this paper, the design of wireless sensor node is serial communication module with IEEE/ZigBee transmission module to replace the traditional, logistics collected data will be wirelessly sent. The GRPS communication circuit is mainly composed of a power supply circuit, GPRS module, SIM interface circuit and the serial interface circuit part. Its core is the GPRS module. The paper presents ap...

The existing General Packet Radio Service (GPRS) currently uses the well-known convolutional code as a Forward Error Correction (FEC) mechanism, and the Viterbi algorithm for decoding. With the recent introduction of Multimedia Broadcast Multicast Services (MBMS), new applications that require more bandwidth and reliability are foreseen. It is known that the current GPRS system does not perform...