Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-07-31
2007-07-31
Urban, Edward F. (Department: 2618)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S522000, C455S446000
Reexamination Certificate
active
10424690
ABSTRACT:
The frequency reuse scheme for downlink power channels in a sectorized network assigns transmit power for control channels transmitted by cell blocks in a cell layout such that cell blocks aligned in a particular direction have an incrementally higher transmit power.
REFERENCES:
patent: 4128740 (1978-12-01), Graziano
patent: 4144496 (1979-03-01), Cunningham et al.
patent: 6438376 (2002-08-01), Elliott et al.
patent: 2002/0002063 (2002-01-01), Miyamoto et al.
patent: 09275584 (1997-10-01), None
Lucent Technologies - Inc.
Nguyen Tu X.
Urban Edward F.
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