Abstract
A system for priority handling of data flows in a communications system comprising one or more data bearers and a priority handling module configured to prioritize between data flows. The priority handling module is configured to receive a request for priority configuration or re-configuration of a first data flow and to obtain a priority sharing identifier of the first data flow and also configured to identify other data flows in the communication system having the priority sharing identifier of the first transport data flow. The priority handling module is configured to update priority rules associated with the first data flow and also with any other identified data flows in the communication system having the priority sharing identifier of the first transport data flow to agree with a shared priority rule.
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Specification Information
Specification Information
Technologies
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Technologies
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Use Cases
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Claim
1. A system for priority handling of data flows in a communications system (100, 200), comprising', '- one or more data bearers, each of which bearers being configured to transport one or more of the data flows; and', '- a priority handling module (140, 141, 160) configured to prioritize between data flows; wherein', '- the priority handling module is configured to receive a request for priority configuration or re-configuration of a first data flow;', '- the priority handling module is configured to obtain a priority sharing identifier of the first data flow;', '- the priority handling module is configured to identify other data flows in the communication system having the priority sharing identifier of the first transport data flow; and wherein', '- the priority handling module is configured to update priority rules associated with the first data flow and also with any other identified data flows in the communication system having the priority sharing identifier of the first transport data flow to agree with a shared priority rule.
2. The system according to claim 1, wherein said same priority rule corresponds to a highest priority value of the first and of the other identified data flows in the communication system having the priority sharing identifier of the first transport data flow.
3. The system according to any of claims 1-2, wherein the priority handling module is configured to update a priority rule of a data bearer associated with the first data flow to be associated with a priority rule in agreement with the shared priority rule.
4. The system according to claim 1, wherein said same priority rule is set according to a pre- configured priority policy.', 'A method (700) performed by a priority handling module (110, 210) in a communication network (100, 200), the method comprising;', '- receiving (SI) a request for configuration or re-configuration of a priority rule associated with a data flow in the communications system, the request comprising a priority sharing identifier,', '- calculating (S2) priority parameters of the communication system based on the received request,', '- identifying (S3) other data flows in the communication system which are associated with the priority sharing identifier, and', '- determining (S4) a shared priority parameter based on the request for configuration or re-configuration and on an existing priority configuration of any identified other data flows in the communication system associated with said priority sharing identifier.', 'The method according to claim 5, comprising storing (S5) a current priority configuration relating to data flows in the communication system.', 'The method according to any of claim 5 or 6, comprising updating (S6) a priority configuration related to data flows in the communication system, based on the determined shared priority parameter.', 'The method (800) according to any of claims 5-7, wherein the priority handling module comprises a Policy and Charging Rule Function, PCRF, of a 3GPP-defined communication system.', 'The method (800) according to claim 8, wherein the receiving (SI) comprises receiving (Sll) an Authentication and Authorization Request, AAR related to a service data flow, SDF, having a priority sharing identifier given by a Group Communication Service, GCS, identifier.', 'The method (800) according to claim 9, wherein the calculating (S2) comprises calculating (S21) Allocation and Retention Priority, ARP, and generating a Policy and Charging Control, PCC, rule for the received AAR
11. The method (800) according to any of claims 9 or 10, wherein the calculating (S2) comprises calculating (S22) Preemption capability, PCI, and/or Preemption Vulnerability, PVI
12. The method (800) according to any of claims 8-11, wherein the identifying (S3) comprises identifying (S31) other SDFs in the communication system having the same priority sharing identifier
13. The method (800) according to any of claims 8-12, wherein the determining comprises calculating (S41) a common Allocation and Retention Priority, ARP, among identified SDFs having the same GCS-identifier
14. The method (800) according to claim 13, comprising updating (S61) PCC rules for identified SDFs by the calculated lowest priority value
15. The method (800) according to claim 14, comprising updating (S62) priority for the default bearer
16. The method (800) according to any of claims 8-15, further comprising storing (S51) a current PCC rule configuration of the communication system
17. The method (900) according to any of claims 5-7, wherein the priority handling module comprises a Policy and Charging Enforcement Function, PCEF, of a 3GPP-defined communication system
18. The method (900) according to claim 17, wherein the receiving (SAla) comprises receiving a priority configuration or re-configuration message from a PCRF
19. The method according to claim 18, comprising receiving (SAlb) priority sharing attribute associated with the configuration or re-configuration message.
20. The method according to claim 19, wherein the identifying comprises identifying (SA3) other SDFs in the communication system having the priority sharing attribute.
21. The method according to any of claims 17-20, wherein the determining comprises determining (SA4) a shared priority among the identified SDFs having the priority sharing attribute.
22. The method according to claim 21, comprising updating (SA6) priority configuration for SDFs based on shared priority.
23. A computer program comprising computer program code which, when executed in a network node of a communication system (100, 200), causes the communication system to execute a method according to any of claims 5-22.
24. A network node (1000) configured to perform priority handling in a communication network (100, 200), the network node comprising;', '- a receiving module (Sxl) configured to receive a request for configuration or reconfiguration of a priority rule associated with a data flows in the communications system, the request comprising a priority sharing identifier,', '- a calculating module (Sx2) configured to calculate priority parameters of the communication system based on the received request,', '- a data flow identifying module (Sx3) configured to identify other data flows in the communication system which are associated with the priority sharing identifier, and', '- a determining module (Sx4) configured to determine a shared priority parameter based on the request for configuration or re-configuration and on an existing priority configuration of any identified other data flows in the communication system associated with said priority sharing identifier.
25. The network node according to claim 24, wherein the network node is arranged to execute a Policy and Charging Rules Function, PCRF.
26. The network node according to claim 25, wherein the network node is arranged to execute a Policy and Charging Enforcement Function, PCEF.
27. A modified Authentication/Authorization Request, AAR, message configured for shared priority handling of a number of Service Data Flows, SDF, in a communication system, the modified AAR message comprising a Group Communication Service Identifier (GCS- Identifier) wherein at least part of the GCS-identifier value range defines a priority sharing identifier or a priority sharing key.']
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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.