Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-06-26
2007-06-26
Appiah, Charles (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S063100, C455S452200, C455S522000, C455S432100, C455S450000, C455S067130, C455S509000
Reexamination Certificate
active
09773255
ABSTRACT:
A technique for coordinating the operation of subscriber units such as in a wireless communications system so that high-probability-of-interference communications do not take place at the same time in adjacent cell sites. A base station becomes aware of expected periods or time slots of high relatively expected interference from remote units operating in a neighboring cell site, and then schedules only low interference level transmissions for its own remote units during such periods. Expected interference information can be exchanged by base stations directly, through a centralized base station controller-initiated schedule, or by relaying resource load status messages via remote units located near all boundaries.
REFERENCES:
patent: 5758090 (1998-05-01), Doner
patent: 5894473 (1999-04-01), Dent
patent: 6023622 (2000-02-01), Plaschke et al.
patent: 6128498 (2000-10-01), Benveniste
Amalfitano Carlo
Farley Kevin L.
Appiah Charles
Daniel, Jr. Willie J.
IPR Licensing Inc.
Volpe & Koenig P.C.
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