Abstract
A WTRU may send a registration message to a core network (CN) that is associated with a first cell of a first radio access technology (RAT) and a second cell of a second RAT. The WTRU may receive, on the first cell of the first RAT with a first radio resource control (RRC) protocol, a RRC reconfiguration message that includes information for communications with the second cell of the second RAT. The first cell of the first RAT may be utilized for mobility management and a second RRC protocol may be utilized with the second cell of the second RAT.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| 5G | 08/11/2019 | ISLD-201910-015 | INTERDIGITAL INC |
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Specification Information
Specification Information
Technologies
Family Information
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Technologies
Mobility and handover
Product
User Equipment (UE/Terminal)
Use Cases
Wireless communication
Services
Multi RAT communication Network access
Claim
1. A wireless transmit/receive unit (WTRU) comprising:
a processor; and
a transceiver; and
wherein the processor is configured to send a registration message to a core network (CN), wherein the CN is associated with a first cell of a first radio access technology (RAT) and a second cell of a second RAT;
the transceiver is configured to receive, on the first cell of the first RAT with a first radio resource control (RRC) protocol, a RRC reconfiguration message that includes information for communications with the second cell of the second RAT, wherein the first cell of the first RAT is utilized for mobility management and wherein a second RRC protocol is utilized with the second cell of the second RAT; and
the transceiver is further configured to receive traffic simultaneously from the first cell of the first RAT and the second cell of the second RAT.
2. The WTRU of claim 1, wherein the transceiver is further configured to receive a message to detach from the second cell of the second RAT, wherein the WTRU detaches from the second cell of the second RAT in response to the message to detach.
3. The WTRU of claim 1, wherein the transceiver is further configured to receive a message to detach from the second cell of the second RAT, wherein the WTRU detaches from the second cell of the second RAT and continues to communicate with the first cell of the first RAT in response to the message to detach.
4. The WTRU of claim 1, wherein the transceiver is configured to transmit a single message to attach to both a network of the first cell of the first RAT and another network of the second cell of the second RAT.
5. The WTRU of claim 1, wherein the first cell of the first RAT is associated with at least two CN parts of the CN.
6. A method performed by a wireless transmit/receive unit (WTRU), the method comprising:
sending, by the WTRU, a registration message to a core network (CN), wherein the CN is associated with a first cell of a first radio access technology (RAT) and a second cell of a second RAT;
receiving, by the WTRU on the first cell of the first RAT with a first radio resource control (RRC) protocol, a RRC reconfiguration message that includes information for communications with the second cell of the second RAT, wherein the first cell of the first RAT is utilized for mobility management and wherein a second RRC protocol is utilized with the second cell of the second RAT; and
receiving, by the WTRU, traffic simultaneously from the first cell of the first RAT and the second cell of the second RAT.
7. The method of claim 6 further comprising:
receiving, by the WTRU, a message to detach from the second cell of the second RAT, wherein the WTRU detaches from the second cell of the second RAT in response to the message to detach.
8. The method of claim 6 further comprising:
receiving, by the WTRU, a message to detach from the second cell of the second RAT, wherein the WTRU detaches from the second cell of the second RAT and continues to communicate with the first cell of the first RAT in response to the message to detach.
9. The method of claim 6 further comprising:
transmitting, by the WTRU, a single message to attach to both a network of the first cell of the first RAT and another network of the second cell of the second RAT.
10. The method of claim 6, wherein the first cell of the first RAT is associated with at least two CN parts of the CN.
Associated Portfolios
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
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.