GSM And Its System Architecture

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Abstract –With the invention of convenient and flexible wireless communication technologies, communicating from one point to another has been much easier. Global system for Mobile communications (GSM) is a second generation wireless communication cellular systems which is widely deployed. In this paper, we will discuss the cellular concept for GSM and its system architecture. Furthermore, KISS 16V2 an ASIC DSP implementation for GSM is being introduced and the test results have been discussed.

Index Terms— GSM, ASIC, DSP, KISS 16V2, Frequency re-use, frame structure,

I. INTRODUCTION
L
ong distance communications had always been an issue due to lack of communication standards. Before GSM networks were established, people used to communicate
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In section 3, GSM system architecture is discussed briefly. Section 4 describes the DSP implementation constraints. The proposed architecture KISS 16V2 is discussed in section 5. Furthermore, its performance in evaluated in section 6 and then the results are concluded in section …show more content…
NSS contains Mobile Switching Centre (MSC), Gateway MSC (GMSC), Home Location Register (HLR), and Visitor Location Register (VLR). Mobile Switching Centre (MSC) coordinates setup of calls to and from GSM users. It controls several BSCs. Gateway MSC (GMSC) is a gateway to external network. The incoming call is routed to GMSC, which then determines MS location. Home Location Register (HLR) contains information about subscribers, e.g. subscriber profiles. Visitor Location Register (VLR) temporarily stores subscription data for subscribers. It contains more precise location data than does the HLR. [6] AUC is a database that provides HLR and VIR with authentication parameters for security purposes. The OSS main unit is responsible for Network operation and maintenance such as subscriber data management, call charging, and mobile equipment management and so

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