Method and apparatus for multi-rat access mode operation
First Claim
1. A method for multiple radio access technology (multi-RAT) access mode operation implemented in a wireless transmit/receive unit (WTRU) the method comprising:
- registering using a first radio access technology (RAT), wherein an indication for multi-RAT access is received from a network during the registration using the first RAT;
establishing a bearer in a second RAT based on the indication of multi-RAT access; and
initiating a transfer of a data flow from the first RAT to the second RAT.
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Abstract
A method and apparatus for multiple radio access technology (multi-RAT) access mode operation for a wireless transmit/receive unit (WTRU) are disclosed. A WTRU and a network may enable a multi-RAT access mode of operation based on at least one of WTRU subscription, a service agreement of the WTRU, a roaming status of the WTRU, a selected access point name (APN), an Internet protocol (IP) flow class, a subscriber profile identity for the WTRU, requested quality of service, or a proximity indication indicating proximity to a cell supporting multi-RAT access mode. The WTRU may send a capability indication of support of multi-RAT access to a network, wherein the multi-RAT access mode is enabled based on the capability indication. A partial handover of bearers may be performed. In performing the handover, the target cell is determined based on a priority rule.
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Citations
12 Claims
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1. A method for multiple radio access technology (multi-RAT) access mode operation implemented in a wireless transmit/receive unit (WTRU) the method comprising:
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registering using a first radio access technology (RAT), wherein an indication for multi-RAT access is received from a network during the registration using the first RAT; establishing a bearer in a second RAT based on the indication of multi-RAT access; and initiating a transfer of a data flow from the first RAT to the second RAT. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless transmit/receive unit (WTRU) for multiple radio access technology (multi-RAT) access mode operation, comprising:
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a processor operatively coupled to a transceiver, the processor and transceiver configured to register using a first radio access technology (RAT), wherein an indication for multi-RAT access is received from a network during the registration using the first RAT; the processor and transceiver further configured to establish a bearer in a second RAT based on the indication of multi-RAT access; and the processor and transceiver further configured to initiate at least a partial handover from the first RAT to the second RAT. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification