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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Technologies
Product
Use Cases
Services
Claim
1. A method implemented by a wireless transmit receive unit (WTRU), the method comprising:
receiving an indication of support for multiple radio access technologies (multi-RAT) access, wherein multi-RAT access enables the WTRU to send and receive data using each of a plurality of radio access technologies;
sending a message to establish a single packet data (PD) connection associated with multi-RAT access based on the received indication; and
transmitting data using the single PD connection over each of the plurality of radio access technologies based on the received indication and the single PD connection associated with multi-RAT access.
2. The method of claim 1, further comprising determining how to distribute the data over each of the plurality of radio access technologies based on one or more parameters.
3. The method of claim 2, wherein the one or more parameters include signal condition parameters, user preference parameters, and operator policy parameters.
4. The method of claim 1, further comprising sending a multi-RAT PDU indication during a PDU session establishment request.
5. A wireless transmit/receive unit (WTRU), the WTRU comprising:
a transceiver;
a processor coupled to the transceiver,
wherein the processor and transceiver are further configured to:
receive an indication of support for multiple radio access technologies (multi-RAT) access, wherein multi-RAT access enables the WTRU to send and receive data using each of a plurality of radio access technologies;
sending a message to establish a single packet data (PD) connection associated with multi-RAT access based on the received indication; and
transmit data using the single PD connection over each of the plurality of radio access technologies based on the received indication and the single PD connection with multi-RAT access.
6. The WTRU of claim 5, wherein the processor and transceiver are further configured to determine how to distribute data over each of the plurality of radio access technologies based on one or more parameters.
7. The WTRU of claim 6, wherein the one or more parameters include signal condition parameters, user preference parameters, and operator policy parameters.
8. The WTRU of claim 5, wherein the processor and transceiver are further configured to send a multi-RAT PDU indication during a PDU session establishment request.
9. A method implemented by a wireless transmit receive unit (WTRU), the method comprising:
receiving an indication of support for multiple radio access technologies (multi-RAT) access, wherein multi-RAT access enables the WTRU to send and receive data using each of a plurality of radio access technologies; and
transmitting data using a single Packet Data (PD) connection associated with multi-RAT access over each of the plurality of radio access technologies based on the received indication and of the single PD connection with multi-RAT access, wherein multi-RAT access is used for data transmission based on one or more parameters that include a signal condition parameter, a user preference parameter, and an operator policy parameter.
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.