The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 2000
Filed:
Sep. 04, 1997
Osamu Noda, Tokyo, JP;
Shigeki Iwano, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
When an interference signals is detected by a base station, the base station issues a report to a switching apparatus. The switching apparatus checks self to see whether it is in a standby mode waiting for a frequency change completion report from another base station which is in the process of changing the control channel frequency. If the switching apparatus is satisfied that the station should be given a new control channel frequency, it issues a frequency change command to the requesting base station, and the base station receiving the command revises the current control channel frequency. In the meantime, all other requests from other stations are denied by the switching apparatus until the requesting base station has successfully completed the process of changing the control channel frequency. The base station acknowledges the completion of frequency change process by sending a frequency change completion report to the switching apparatus.