Method and apparatus for a radiotelephone system optimized for c

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

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455422, H04Q 720

Patent

active

059666617

ABSTRACT:
A robust method for determining the boundaries of cells and the associated reliability of the RF coverage within these boundaries is presented. The invention accurately determines the average range from the base station to the cell edge from RF signal strength measurements with a linear regression approach. The accuracy of this estimate is quantified both as a range uncertainty (e.g. .+-.100 meters) and as a cell coverage reliability (i.e. area/edge) through 1) simulation, 2) analysis of real data, and 3) theoretical analysis. It is shown that if the estimate of the cell radius meets the desired accuracy, then the corresponding estimates of coverage reliability (both area and edge) are more than sufficiently accurate. It is recommended that radio survey analyses incorporate this test as part of the coverage validation process.

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patent: 5465390 (1995-11-01), Cohen
patent: 5499395 (1996-03-01), Doi et al.
William C. Y. Lee, "Mobile Cellular Telecommunications Systems", p. 105, 1989.
Peyton Z. Peebles, "Probability Random Variables and Random Signal Principles" 1980.

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