Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1995-05-02
1998-02-24
Eisenzopf, Reinhard J.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455422, H04Q 720
Patent
active
057220751
ABSTRACT:
Co-channel interference due to the use of smaller and lighter mobile communication terminals at elevated locations in the recent widespread mobile communications services can be prevented from increasing by applying an overlapping cell configuration composed of a plurality of groups of cells, for example, a group of cells covering a ground surface and another group of larger cells covering an elevated space above the ground surface, and assigning different groups of radio frequency channels to the groups of cells.
REFERENCES:
patent: 5251249 (1993-10-01), Allen et al.
patent: 5329576 (1994-07-01), Handforth
patent: 5353332 (1994-10-01), Raith et al.
patent: 5402523 (1995-03-01), Berg
Bhattacharya Sam
Eisenzopf Reinhard J.
NEC Corporation
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