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3.2) Base Station System (BSS) The BSS provides the radio interconnection from the MS to the land-based switching equipment.

MUSA ................................................. 79 MOBILE INTERNET CRYPTOGRAPHY ............................................................................. This information will be accessible to the customer via handset/keyboard key entry.

(ii) The BTS is controlled by a BSC and contains one or more transceivers and provides the air interface connection with the MS and the network, by providing radio coverage functions from their antenna.

ATAYERO ....................................................................... 58 AN ARCHITECTURAL FRAMEWORK FOR COLLABORATION OF HETEROGENEOUS COMMUNICATION DEVICES USING WAP AND MOBILE DEVICE AUGMENTED (MDA) GATEWAY INTEGRATION ........................................... The BSC switching matrix also allows the BSC to perform “handovers” between radio channels on BTSs, under its control, without involving the MSC.

It is the earnest hope of the Conference Planning Committee that both the participants of the conference and readers of this book of proceedings will find it a useful scholarly resource for reference purposes. Obayan – Vice Chancellor, Covenant University • Dcn. The EIR database consists of lists of IMEIs (or ranges of IMEIs) organized as follows: White List: contains those IMEIs which are known to have been assigned to valid MS equipment; Black List: contains IMEIs of MS which have been reported stolen or which are to be denied service for some other reason; Grey List: contains IMEIs of MS which have problems (for example, faulty software).

‘Yemi Nathaniel – Registrar, Covenant University • Professor James Katende – Dean, College of Science and Technology • Professor T. Ibiyemi – University of Ilorin, Nigeria • Professor A. Ernest Ndukwe – CEO Nigerian Communications Commission • Dr. The EIR database can be accessed by the MSCs in the network and or, by an MSC in a different PLMN.

The BSS is responsible for channel allocation, link quality and power budget controls, signaling and broadcast traffic controls, Frequency Hopping and handover initiation.

It comprises a combination of digital and RF equipment.

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governments, builders, professional bodies and building team of ..... Atayero 2 3GSM & Mobile Computing: An Emerging Growth Engine for National Development, Covenant University, 2007 THE EDITORS • ADEREMI A. Home Location Register (HLR) - The HLR is the reference database for subscriber parameters.

Ekong Chairman Member Member Member Member Member Member Member Member Secretary 4 3GSM & Mobile Computing: An Emerging Growth Engine for National Development, Covenant University, 2007 TABLE OF CONTENT PREFACE ............................................................................................................................... The components of the NSS are: Mobile Services Switching Centre; Home Location Register; Visitor Location Register; Equipment Identity Register; Authentication Centre; Message Center; Mobile Intelligent Network, Operation and Maintenance Centre, etc.

AL ABABNEH ............................................ 9 GSM ARCHITECTURE .......................................................................................................... IBIKUNLE FRANK, PHD........................................................................................... 21 UNIVERSITY AND THE REVOLUTION IN COMMUNICATIONS AND COMPUTING: EXPERIENCE OF DONETSK NATIONAL TECHNICAL UNIVERSITY PROFESSOR A. 3.3) Network Switching System (NSS) The NSS consists of the Mobile Switching Centre that performs the main switching functions of the GSM network, the databases required for subscriber data and mobility management, and processors together with the required interfaces.

e-mail address and phone numbers and abstract about 250 words (with at ..... Ibikunle / GSM Architecture MSC and the data location registers, and finally, the E interface is towards a neighboring MSC.

important means of providing optimum reproductive health services to youths. broadcast information and entertainment to mass audience ((Dominick, 2002). Gateway Mobile Switching Centre (GMSC) - Any MSC in the mobile network can function as a gateway by integration of the appropriate software and definition of HLR interrogation information.

IBIKUNLE FRANK, PHD........................................................................................... 47 PART II................................................................................................................................ 57 TECHNICAL PAPERS: COMPRESSING HIGH-DIMENSIONAL DATA SPACES USING NONDIFFERENTIAL AUGMENTED VECTOR QUANTIZATION ............................................ It is required to convert the speech or data output from the MSC (64 kbit/s PCM), into the form specified by GSM specifications for transmission over the air interface, that is, between the BSS and MS (64 kbps to 16 kbps and vice versa).