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:
Nov. 18, 2014
Filed:
Dec. 06, 2012
Nokia Siemens Networks Oy, Espoo, FI;
Rapeepat Ratasuk, Hoffman Estates, IL (US);
Ravindra Moorut, Tower Lakes, IL (US);
Joseph Schumacher, Glen Ellyn, IL (US);
James Kepler, Buffalo Grove, IL (US);
Anatoly Andrianov, Schaumburg, IL (US);
Nokia Siemens Networks Oy, Espoo, FI;
Abstract
A method for coordinating spectrum evacuation is described which is useful for spectrum sharing, authorized/licensed shared access, secondary access, dynamic spectrum access, cognitive radio, general authorized access, etc. whereby access to a spectrum can be increased via buying usage right from a higher priority, primary or incumbent user, and/or via opportunistic access to unoccupied/unused spectrum. Enabling efficient spectrum evacuation guarantees limited impact to system performance while ensuring that the other user gets the spectrum back when needed. The method includes selecting a first subset of UEs for transitioning from a first bandwidth to a second bandwidth. During a first time period, the method includes, for each UE in the first subset, instructing the UE to transition using dedicated signaling. Later, during a second time period, the method includes instructing a second subset of UEs to transition using broadcast signaling. Apparatus and computer readable media are also disclosed.