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Method and apparatus for designing a communication system by modeling spatial and temporal behavior of user mobility demand

  • US 6,044,273 A
  • Filed: 12/10/1996
  • Issued: 03/28/2000
  • Est. Priority Date: 12/10/1996
  • Status: Expired due to Fees
First Claim
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1. A method for designing a communication system of the type which includes one or more cells, each served by a corresponding base station, and one or more MSC'"'"'s serving the base stations, the cells lying within and across geogaphic regions and sub-regions, the sub-regions being travel and commutation pathways for users through and between the regions, wherein the method comprises the steps of:

  • (1) modeling the spatial and temporal behavior of user call demand within each region;

    (2) identifying the location of the base stations and cell grids required to service the user call demand identified in step (1);

    (3) modeling the spatial and temporal behavior of user mobility demand by the following procedure;

    (a) identifying and confirming self-similar geographic subregions by determining the number of users crossing a hypothetical boundary in each subregion during a predetermined time period and treating as self-similar those subregions in which the numbers of boundary-crossing users during the time period are substantially the same;

    (b) modeling the temporal behavior of user mobility demand for each self-similar subregion identified in substep (3)(a);

    (c) revising the modeling of the spatial and temporal behavior of user call demand effected in step (1) pursuant to substep (3)(b); and

    ,(d) developing an aggregate user demand made up of the revised user call demand of substep (3)(c) and the user mobility demand of substep (3)(b); and

    ,(4) designing a MSC network to service the base stations and cell grids from step (2) and the aggregate user demand identified in step (3).

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