Cell planning methods and apparatus, and networks configured...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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C455S447000, C455S448000, C455S449000, C455S451000, C455S562100, C343S875000, C342S367000, C342S379000, C342S423000, C342S445000

Reexamination Certificate

active

07440758

ABSTRACT:
Coverage areas for wireless networks are divided into a plurality of cells that are arranged in rows. Channel frequencies are assigned to cell sectors and associated with respective antenna axes. The antenna axes of adjacent rows are alternatingly rotated, thereby reducing co-channel interference. In an example, an available bandwidth is divided into twelve channel frequencies, so that a cell cluster includes four cells. Co-channel cells associated with half the channel frequencies are assigned to cells in the first row of cells, and the remainder are assigned to cells in the second row.

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