Abstract
A wireless terminal can communicate with two radio access networks (RAN) ( 304 306) of different types. The wireless terminal can register simultaneously with a RAN of the first type and a RAN of the second type and can wirelessly connect to a RAN of either the first type or the second type in a connected state. The wireless terminal when registered with both a first RAN and a second RAN and when wirelessly connected to the first RAN in the connected state receives a mobility signal via the first RAN indicating a RAN of the second type and in response to receiving the mobility signal and in response to being so registered with the first RAN and second RAN transmits an access trigger signal (417). The access trigger signal indicates that the wireless terminal is to be connected to the second RAN in the connected state.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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3G,2G | 21/09/2014 | ISLD-201410-017 | NEC CORP | No | Family Member | ||||
4G | 21/09/2014 | ISLD-201410-017 | NEC CORP |
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4G,3G,2G | 21/09/2014 | ISLD-201410-017 | NEC CORP |
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5G,4G,3G,2G | 21/09/2014 | ISLD-201410-017 | NEC CORP | No | Family Member |
Specification Information
Specification Information
Technologies
Family Information
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Technologies
Product
Use Cases
Services
Claim
1. A user equipment (UE) comprising:
a transceiver circuit configured to receive a mobility command from a first RAN (Radio Access Network) to initiate mobility of the UE in a first RAN connected mode to a second RAN; and
a processor configured to, when the UE moves from the first RAN connected mode to the second RAN based on the mobility command, deactivate an ISR (Idle mode Signaling Reduction) mode by setting a temporary identifier (TIN) to a globally unique temporary identifier (GUTI) before initiating a routing area (RA) update procedure,
wherein the UE is further configured to be registered with both a first apparatus via the first RAN and a second apparatus via the second RAN.
2. The user equipment according to claim 1, wherein the first RAN is E-UTRAN (Evolved Universal Terrestrial Radio Access Network) and the second RAN is GERAN (GSM EDGE Radio Access Network).
3. The user equipment according to claim 1, wherein the routing area (RA) update procedure is initiated by an access trigger signal that is a RAU (Routing Area Update) message.
4. The user equipment according to claim 1, wherein the first apparatus is a MME (Mobility Management Entity), and the second apparatus is a SGSN (Serving GPRS Support Node).
5. A method for controlling a user equipment (UE), the method comprising:
receiving a mobility command from a first RAN (Radio Access Network) to initiate mobility of the UE in a first RAN connected mode to a second RAN; and;
deactivating, when the UE moves from the first RAN connected mode to the second RAN based on the mobility command, an ISR (Idle mode Signaling Reduction) mode by setting a temporary identifier (TIN) to a globally unique temporary identifier (GUTI) before initiating a routing area (RA) update procedure,
wherein the UE is configured to be registered with both a first apparatus via the first RAN and a second apparatus via the second RAN.
6. The method according to claim 5, wherein the first RAN is E-UTRAN (Evolved Universal Terrestrial Radio Access Network) and the second RAN is GERAN (GSM EDGE Radio Access Network).
7. The method according to claim 5, wherein the routing area (RA) update procedure is initiated by an access trigger signal comprising a RAU (Routing Area Update) message.
8. The method according to claim 5, wherein the first apparatus is a MME (Mobility Management Entity) and the second apparatus is a SGSN (Serving GPRS Support Node).
9. The method according to the claim 5, wherein the mobility command is a cell change order.
10. The method according to the claim 5, wherein the UE is configured to be registered with both a first apparatus via the first RAN and a second apparatus via the second RAN when the UE is in the ISR mode.
11. The user equipment according to the claim 1, wherein the mobility command is a cell change order.
12. The user equipment according to the claim 5, wherein the UE is configured to be registered with both a first apparatus via the first RAN and a second apparatus via the second RAN when the UE is in the ISR mode.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.