Mobile terminated call establishment during inter radio access technology (IRAT) re-direction

US8965373B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8965373-B2
Application numberUS-201213730330-A
CountryUS
Kind codeB2
Filing dateDec 28, 2012
Priority dateDec 7, 2012
Publication dateFeb 24, 2015
Grant dateFeb 24, 2015

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Abstract

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Mobile terminated call establishment during inter radio access technology (IRAT) re-direction. Handovers between different respective radio access technologies (RATs) may be performed (e.g., IRAT redirection procedure) such that a given wireless communication device may be in communication with a given RAT cell, and then switch from that RAT cell to another RAT cell (e.g., a target RAT cell). This transition may be from a 3G cell to a target 4G cell. During such a redirection procedure, there may be some instances in which the target RAT cell may not be available immediately, and a device can check back with the first/original RAT cell during the search for the target RAT cell. That is to say, there may be some duration of time during the search for the target RAT cell in which that particular cell may not be available, and the device checks for pages in the first/original RAT cell.

First claim

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What is claimed is: 1. An apparatus comprising: a processor; and a radio, the radio and the processor configured to: support communication with at least one wireless communication device based on each of a plurality of radio access technologies (RATs); monitor for paging information associated with a first of the plurality of RATs during search for a second of the plurality of RATs when performing an inter radio access technology (IRAT) redirection procedure to transition fro…

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What does patent US8965373B2 cover?
Mobile terminated call establishment during inter radio access technology (IRAT) re-direction. Handovers between different respective radio access technologies (RATs) may be performed (e.g., IRAT redirection procedure) such that a given wireless communication device may be in communication with a given RAT cell, and then switch from that RAT cell to another RAT cell (e.g., a target RAT cell). T…
Who is the assignee on this patent?
Ekici Ozgur, Jazzar Khaled, Broadcom Corp
What technology area does this patent fall under?
Primary CPC classification H04W36/14. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 24 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).