The performance of satellite diversity under the influence of the mobile user environment is analyzed. To this end, a digital channel model is presented which takes into account the elevation angle as well as the user mobility in a given environment. For different LEO and MEO systems and for varying mobile user environments, some crucial benefits and drawbacks of satellite diversity are discussed. Specifically, the important GW service area concept is introduced. The conclusions are validated by numerical results from computer simulations. Globalstar (LEO) and Inmarsat (MEO) are compared in terms of visibility, service availability and equivalent handover complexity for different environments and user mobility.


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    Title :

    Mobile user environment and satellite diversity for NGSO S-PCN's


    Contributors:


    Publication date :

    1995-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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