Method and apparatus for planning frequencies

Details Method and apparatus for planning frequencies Method and apparatus for planning frequencies

2006-10-24

2006-10-24

Kincaid, Lester G. (Department: 2687)

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

C455S067110, C455S450000, C455S451000, C455S452100, C455S452200

Reexamination Certificate

active

07127212

ABSTRACT:
Frequencies are allocated to plural base stations for managing cells of a cellular wireless telephone network by a computer which for a given cell, allocates a frequency associated with an estimated minimal interference, and selects another cell of remaining cells to be processed. The computer (1) develops a chain of downstream cells within mutual radio range by repeating the above steps for each cell, (2) compares estimated interference levels with a threshold, (3) defines a remainder of cells by eliminating from the remaining set of plural cells to be processed, cells associated with an interference level less than the threshold, (4) develops a first segment of a chain of cells of allocated frequencies when the remaining cells have been defined, and (5) develops a second chain segment by allocating frequencies to the unprocessed remaining cells by searching for other frequencies to be allocated to the remaining cells by iterating these steps until no cells remain.

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