Interference protection for wireless office systems

Details Interference protection for wireless office systems Interference protection for wireless office systems

2006-05-30

2006-05-30

Appiah, Charles N (Department: 2686)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S434000, C455S444000, C455S432100, C455S436000

Reexamination Certificate

active

07054644

ABSTRACT:
A system for preventing interference to a first network by a second network where the first network includes a first cell and one or more cells neighboring the first cell. The system includes a scanner for scanning the first network for identifying information associated with a neighboring cell. The network switching device associated with the first network is in communication with the scanner and receives information including a frequency allocated to the neighboring cell and transmits the information to the scanner. The system further includes a controller in communication with the scanner and a memory device coupled to the controller. The memory device includes a table having frequencies allocated for use by the any one of the neighboring cells and the controller retrieves the allocated frequencies stored in the table and bars the allocated frequencies from being used by the second network.

REFERENCES:
patent: 6466793 (2002-10-01), Wallstedt et al.
patent: 6542741 (2003-04-01), Wallstedt et al.
patent: 6594258 (2003-07-01), Larson et al.
patent: 6729929 (2004-05-01), Sayers et al.
patent: 6829477 (2004-12-01), Lu et al.
patent: 2005/0003805 (2005-01-01), Zaffino

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