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  • 1
    Language: English
    In: Wireless Personal Communications, 1999, Vol.11(1), pp.45-62
    Description: One of the most widely used buzzwords in mobile communications of the recent years is Space Division Multiple Access (SDMA). The introduction of an additional space domain multiple access component is likely to boost system capacity, due to the spatial reuse of physical channels within one cell. While early approaches of SDMA system modelling show capacity to be gained in the order of 300 to 400%, there remains some more in depth system analysis to be done, as inhomogeneities in the user distribution are expected to likely cause dramatic drops in the additional capacity gained by SDMA. The spatial distribution of terminals directly influences the number of channels to be gained by spatial multiplexing. Therefore, it is not until detailed models for user distribution, user mobility and the traffic load generated by users are combined with a model of the SDMA radio subsystem, that realistic approximations for these capacity gains are possible. In this paper, we discuss the issues in modelling and simulation of SDMA systems. We present an approach for integrated SDMA system modelling, discuss analytic teletraffic dimensioning methods for macro- and microcellular environments and their relevance to SDMA systems, and present some early simulation results.
    Keywords: SDMA ; smart antenna systems ; capacity ; traffic models ; mobility models ; simulation
    ISSN: 0929-6212
    E-ISSN: 1572-834X
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  • 2
    Book chapter
    Book chapter
    Chichester, UK: John Wiley & Sons, Ltd
    Language: English
    In: GSM – Architecture, Protocols and Services, Chapter refs, p.313-315
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 3
    Book chapter
    Book chapter
    Chichester, UK: John Wiley & Sons, Ltd
    Language: English
    In: GSM – Architecture, Protocols and Services, Chapter fmatter, p.i-xi
    Description: the prelims comprise: half‐title page title page copyright page table of contents preface
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 4
    Language: English
    In: GSM – Architecture, Protocols and Services, Appendices, Chapter app1, p.271-293
    Description: this appendix contains sections titled: reference configuration overview of data communication service selection at transitions between networks bit rate adaptation asynchronous data services synchronous data services teleservices: fax
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 5
    Language: English
    In: GSM – Architecture, Protocols and Services, Appendices, Chapter app2, p.295-304
    Description: this appendix contains sections titled: objectives of gsm nm telecommunication management network tmn realization in gsm networks
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 6
    Book chapter
    Book chapter
    Chichester, UK: John Wiley & Sons, Ltd
    Language: English
    In: GSM – Architecture, Protocols and Services, Chapter 1, p.1-7
    Description: this chapter contains sections titled: the idea of unbounded communication the success of gsm classification of mobile communication systems some history and statistics of gsm overview of the book
    Keywords: Communication System Digitalization ; Gsm (Global System For Mobile Communication) ; Gsm – Architecture, Protocols And Services ; Personal Communication Networks (Pcns) And Personal Communication Systems (Pcss) ; Digital Enhanced Cordless Telecommunications (Dect) ; Wireless Lans (Wlans) ; Satellite Communication And Low Earth Orbiting (Leo) Or Meo Satellites ; Gsm Networks And Spacial Filtering For Interference Reduction (Sfir)
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 7
    Book chapter
    Book chapter
    Chichester, UK: John Wiley & Sons, Ltd
    Language: English
    In: GSM – Architecture, Protocols and Services, Appendices, Chapter app3, p.305-305
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 8
    Language: English
    In: GSM – Architecture, Protocols and Services, Chapter 2, p.9-41
    Description: this chapter contains sections titled: characteristics of the mobile radio channel separation of directions and duplex transmission multiple access cellular principle
    Keywords: Mobile Radio Channel And Cellular Principle ; Bidirectional Communication And Duplex Transmission ; Frequency Division Multiple Access (Fdma) ; Tdma And Frequency Hopping Technique ; Space Division Multiple Access ; Line Of Sight (Los) Connection ; Spatial Multiple Access (Uplink) ; Frequency Reuse And Cluster Formation ; Sfir Interference Scenario Downlink
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 9
    Book chapter
    Book chapter
    Chichester, UK: John Wiley & Sons, Ltd
    Language: English
    In: GSM – Architecture, Protocols and Services, Appendices, Chapter app4, p.307-312
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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  • 10
    Language: English
    In: GSM – Architecture, Protocols and Services, Chapter 3, p.43-56
    Description: this chapter contains sections titled: system architecture the sim concept addressing registers and subscriber data network interfaces and configurations
    Keywords: Gsm System Architecture ; Gsm Network ‐ Home Location Register (Hlr) And Visited Location Register (Vlr) ; Network Management And Operation And Maintenance Center (Omc) ; System Architecture And Addressing ; International Mobile Subscriber Identity (Imsi) ; Mobile Station Roaming Number (Msrn) ; Temporary Mobile Subscriber Identity (Tmsi) ; Auc And Security‐Relevant Subscriber Data ; Network Interfaces And Configurations
    ISBN: 9780470030707
    Source: John Wiley & Sons, Inc.
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