Method and apparatus for estimating cell radius and area coverag

Details Method and apparatus for estimating cell radius and area coverag Method and apparatus for estimating cell radius and area coverag

1996-12-18

1999-12-21

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455422, 455 671, H04Q 720

Patent

active

060060956

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.

REFERENCES:
patent: 4309771 (1982-01-01), Wilkens
patent: 5440614 (1995-08-01), Sonberg et al.
patent: 5465390 (1995-11-01), Cohen
patent: 5465397 (1995-11-01), Pickert
patent: 5499395 (1996-03-01), Doi et al.
patent: 5594943 (1997-01-01), Balachandran
William C. Y. Lee, "Mobile Cellular Telecommunication Systems", p. 105, 1989.
Peyton Z. Peebles, "Probability Random Variables and Random Signal Principles", 1980.

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