Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
2005-11-01
2005-11-01
Gelin, Jean (Department: 2681)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S562100, C455S422100
Reexamination Certificate
active
06961580
ABSTRACT:
The cell expansion system and method maximize the use of communication signal resource such as frequencies and polarized waves in expanding base stations for wireless communication. The cell are divided into four equal sectors, and at least a pair of adjacent sectors of the adjacent cells shares a common signal for wirelessly communicating with each other.
REFERENCES:
patent: 6212388 (2001-04-01), Seo
patent: 6304762 (2001-10-01), Myers et al.
patent: 6418316 (2002-07-01), Hildebrand et al.
patent: 6542746 (2003-04-01), Dean
patent: 6748218 (2004-06-01), Johnson et al.
Muramoto Mitsuru
Sasaki Kanemi
Gelin Jean
Hitachi Kokusai Electric Inc.
Knoble & Yoshida & Dunleavy LLC
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