Method and nodes for paging in a radio access network
First Claim
1. A method for paging a user equipment, UE, in a radio access network, RAN, served by a core network node, wherein, upon UE signaling to the RAN, a service area identity, SAI, included in a respective message from each UE, the SAI is received and registered in the core network node, the method performed in the core network node comprising:
- the core network node receiving one or more data packets to be sent to the UE, which is attached to the radio access network;
analyzing the received one or more data packets by extracting information included in the one or more received data packets;
the core network node determining a predetermined permitted latency for delivery of the one or more data packets to the UE in accordance with the information extracted from the received one or more data packets, the predetermined permitted latency specifying an amount of time that is permitted for delivery of the received one or more data packets to the UE upon reception at the core network node;
in response to determining that the predetermined permitted latency exceeds a predetermined latency threshold, (i) the core network node retrieving the SAI registered for the UE, and (ii) the core network node directing a first page of the UE to cells belonging to a first paging area, wherein the first paging area is determined by the retrieved SAI.
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Accused Products
Abstract
A method for paging a user equipment, UE, in a radio access network, RAN, served by a core network node. When a UE attaches to the radio access network, a service area identity included in the respective a respective registration message from each UE, is received and registered in the core network node. The method further includes a step of receiving one or more data packets to be sent to a receiving UE attached to the network and determining a permitted latency for delivery of the one or more data packets to the UE. When permitted latency exceeds a predetermined latency threshold, a step of retrieving the registered SAI for the receiving UE is performed. In a concluding step in the method of paging, a first page is performed of the UE, directing the first page to cells belonging to a first paging area determined by the retrieved SAI.
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Citations
19 Claims
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1. A method for paging a user equipment, UE, in a radio access network, RAN, served by a core network node, wherein, upon UE signaling to the RAN, a service area identity, SAI, included in a respective message from each UE, the SAI is received and registered in the core network node, the method performed in the core network node comprising:
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the core network node receiving one or more data packets to be sent to the UE, which is attached to the radio access network; analyzing the received one or more data packets by extracting information included in the one or more received data packets; the core network node determining a predetermined permitted latency for delivery of the one or more data packets to the UE in accordance with the information extracted from the received one or more data packets, the predetermined permitted latency specifying an amount of time that is permitted for delivery of the received one or more data packets to the UE upon reception at the core network node; in response to determining that the predetermined permitted latency exceeds a predetermined latency threshold, (i) the core network node retrieving the SAI registered for the UE, and (ii) the core network node directing a first page of the UE to cells belonging to a first paging area, wherein the first paging area is determined by the retrieved SAI. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A core network node serving a radio access network, RAN, to which one or more user equipment, UE, is attached, the core network node comprising:
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a network communication unit configured to receive a radio access network application protocol message; a processor configured to process the received radio access network application protocol message to retrieve a service area identity, SAI, received for a UE in the RAN; and a memory configured to store the SAI for a respective UE, wherein the processor is further configured to; receive one or more data packets to be sent to the respective UE, which is attached to the radio access network; analyze the received one or more data packets by extracting information included in the one or more received data packets; determine a permitted latency for delivery of the one or more data packets to the UE, in accordance with the information extracted from the received one or more data packets, the predetermined permitted latency specifying an amount of time that is permitted for delivery of the received one or more data packets to the UE upon reception at the core network node; in response to determining that the permitted latency exceeds a predetermined latency threshold, (i) retrieve the SAI registered for the UE, and (ii) direct a first page of the UE to cells belonging to a first paging area, wherein the first paging area is determined by the retrieved SAI. - View Dependent Claims (17)
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18. A radio access node in a radio access network, RAN, to which one or more user equipment, UE, is attached, the RAN served by a core network node, the RAN comprising:
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a network communication unit configured to receive and transmit radio access network application protocol messages; and a processor configured to; receive a radio access network application protocol, RANAP, paging message from the core network node, process the received RANAP paging message to retrieve a service area identity, SAI, in the RANAP paging message and to initiate a first page of a UE to a first paging area determined from the SAI retrieved from the paging message, wherein the SAI is associated with a service area that is a subdivision of a routing area subdivided into a plurality of service areas, wherein the RANAP paging message is sent to the RAN (i) following receipt at the core network of one or more data packets to be sent to the UE and (ii) in response to a determination by the core network node that a permitted latency for delivery of the one or more data packets to the UE exceeds a predetermined threshold, the permitted latency determined in accordance with information extracted from the one or more data packets, and wherein the permitted latency specifies an amount of time that is permitted for delivery of the received one or more data packets to the UE upon reception at the core network node. - View Dependent Claims (19)
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Specification