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Method and apparatus for selecting a cost effective call blocking probability distribution in the design of a new cellular network

  • US 5,826,218 A
  • Filed: 05/29/1997
  • Issued: 10/20/1998
  • Est. Priority Date: 05/29/1997
  • Status: Expired due to Fees
First Claim
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1. The method of designing a new cellular system having a given total blocking probability BP for the system comprising, the steps of:

  • a. assigning a minimum possible vocoder blocking probability value to B-- VC;

    b. assigning an initial minimum possible channel element blocking probability value to B-- BTS;

    c. assigning a RF blocking probability value to B-- RF of (BP-z)/(1-z) where "z" equals the sum of the vocoder and channel element blocking probabilities less the product of the vocoder and channel element blocking probabilities;

    d. designing a network configuration wherein RF blocking approaches B-- RF for at least one cell but does not exceed B-- RF in any of a plurality of N cells;

    e. computing actual RF blocking for a first of said N cells and assigning same to B-- RFi where i=first cell;

    f. computing the minimum number of channel elements for cell "i" based on a maximum allowable channel element blocking probability of B-- BTSi =(BP-z)/(1-z) where "z" equals the sum of the radio frequency and vocoder blocking probabilities less the product of the radio frequency and vocoder blocking probabilities; and

    g. computing actual RF blocking B-- RFi and number of channel elements B-- BTSi in the manner set forth in paragraphs e and f for each of the remaining N-1 cells.

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