Abstract
Apparatuses, methods, and systems are disclosed for paging a remote unit that has a direct mobile connection to a relay unit. One apparatus includes a processor, a first transceiver that communicates with a mobile network, and a second transceiver that communicates with a remote unit via a direct mobile connection. The processor transmits a multicast address to the remote unit via the direct mobile connection. The processor determines to page the remote unit based on signaling from the mobile network. The processor also transmits a paging message for the remote unit to the multicast address.
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WO2018233809A1 | 4G,3G | 03/08/2020 | ISLD-202008-002 | LENOVO | Yes | Basis Patent | ||||
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Claim
1. An apparatus comprising:
a first transceiver that communicates with a mobility management function in a mobile network;
a second transceiver that communicates with a remote unit via a direct mobile connection; and
a processor that:
transmits a multicast address to the remote unit via the direct mobile connection;
receives a first paging message from the mobility management function that indicates to establish a non-access stratum (�NAS�) connection with the mobile network to receive a paging of the remote unit;
transmits a service request to the mobility management function to establish a NAS connection;
receives a NAS Downlink Transport message from the mobility management function via the NAS connection, the NAS Downlink Transport message comprising a second paging message for the remote unit;
determines to page the remote unit based on the received NAS message from the mobile network using the multicast address without monitoring the paging occasions of the remote unit while the remote unit is in an idle state; and
transmits the second paging message for the remote unit to the multicast address via the direct mobile connection to the remote unit.
2. The apparatus of claim 1, further comprising the processor receiving a separate paging message that indicates to establish a NAS connection with the mobile network in order to receive a paging of the remote unit, wherein the processor receives a NAS Downlink Transport message comprising a paging message for the remote unit in response to the separate paging message.
3. The apparatus of claim 1, wherein the processor receives an indication to page the remote unit via the direct mobile connection and transmits a message containing the indication to the mobile network.
4. The apparatus of claim 1, wherein the signaling from the mobile network comprises a second paging message, wherein the second paging message includes a cause value that identifies the remote unit.
5. The apparatus of claim 1, wherein transmitting the paging message for the remote unit to the multicast address comprises sending the paging message using a PC5 signaling message having the multicast address as a destination layer 2 identification.
6. An apparatus comprising:
a transceiver that communicates with a mobile network; and
a processor that:
receives a trigger to page a remote unit;
identifies a relay unit that serves the remote unit and a network communication node serving the relay unit, wherein the remote unit accesses the mobile network via sidelink communication with the relay unit; and
sends a paging message to the network communication node serving the relay unit, the paging message comprising a page for the remote unit, an identity of the relay unit serving the remote unit, and an identity of the remote unit that is receiving the page.
7. The apparatus of claim 6, wherein identifying the network communication node serving the relay unit comprises querying a subscriber database in the mobile network.
8. The apparatus of claim 6, wherein the processor further receives an indication that the remote unit is to be paged via sidelink communication, wherein identifying the relay unit that serves the remote unit occurs in response to receiving the indication.
9. An apparatus comprising:
a transceiver that communicates with a mobile network; and
a processor that:
receives a paging message for a remote unit;
identifies a relay unit that serves the remote unit, wherein the remote unit accesses the mobile network via sidelink communication with the relay unit;
determines that the relay unit is in an idle state;
transmits a separate paging message to the relay unit in response to the relay unit being in the idle state; and
sends a non-access stratum (�NAS�) message that includes the paging message of the remote unit to the relay unit in response to the relay unit responding to the separate paging message.
10. The apparatus of claim 9, wherein sending the paging message comprises the processor transmitting the paging message for the remote unit during a paging occasion of the relay unit, wherein the paging message transmitted during the paging occasion includes a cause value that contains an identity of the remote unit.
11. A system comprising:
a relay unit that communicates with a mobile network;
a remote unit that accesses the mobile network via a direct mobile connection with the relay unit;
a first network communication node that manages mobility of the remote unit; and
a second network communication node that manages mobility of the relay unit,
wherein the first network communication node sends a paging message for the remote unit to the second network communication node,
wherein the second network communication node sends the paging message to the relay unit, and
wherein the relay unit multicasts the paging message to the remote unit using a preconfigured multicast address without monitoring the paging occasions of the remote unit while the remote unit is in an idle state.
12. The system of claim 11, wherein the second network communication node sends the paging message by sending a non-access stratum (�NAS�) message that includes the paging message of the remote unit to the relay unit.
13. The system of claim 11, wherein the second network communication node sends the paging message by transmitting the paging message for the remote unit during a paging occasion of the relay unit.
14. The system of claim 11, wherein the multicast address is one of a multicast group IP address and a layer 2 group identifier, wherein the relay unit configures the remote unit with the multicast address.
15. The system of claim 14, further comprising a proximity service function that sends the multicast address to the relay unit via a PC5 interface.
16. The system of claim 11, wherein the remote unit transmits a message to the first network communication node in response to establishing the direct mobile connection with the relay unit, wherein the message indicates that the remote unit is to be paged via the direct mobile connection.
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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
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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.