Techniques for user plane congestion mitigation
First Claim
1. An evolved node B (eNB), comprising:
- a processor circuit;
a detection component for execution by the processor circuit to detect user plane congestion between an evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN) and a serving gateway (S-GW) of an evolved packet core (EPC); and
a configuration component for execution by the processor circuit to, in response to the detection of the user plane congestion, select a set of user equipment (UEs) served by the E-UTRAN and the S-GW and send a request to utilize an alternate S-GW of the EPC to serve the set of UEs while maintaining a current packet data network (PDN) gateway (P-GW) for the set of UEs.
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Accused Products
Abstract
Various embodiments are generally directed to improved techniques for UPCON mitigation. In one embodiment, for example, an evolved node B (eNB) may comprise a processor circuit, a detection component for execution by the processor circuit to detect user plane congestion between an evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN) and a serving gateway (S-GW) of an evolved packet core (EPC), and a configuration component for execution by the processor circuit to select a set of user equipment (UEs) served by the E-UTRAN and the S-GW and send a request to utilize an alternate S-GW of the EPC to serve the set of UEs while maintaining a current packet data network (PDN) gateway (P-GW) for the set of UEs. Other embodiments are described and claimed.
8 Citations
25 Claims
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1. An evolved node B (eNB), comprising:
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a processor circuit; a detection component for execution by the processor circuit to detect user plane congestion between an evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN) and a serving gateway (S-GW) of an evolved packet core (EPC); and a configuration component for execution by the processor circuit to, in response to the detection of the user plane congestion, select a set of user equipment (UEs) served by the E-UTRAN and the S-GW and send a request to utilize an alternate S-GW of the EPC to serve the set of UEs while maintaining a current packet data network (PDN) gateway (P-GW) for the set of UEs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A mobility management entity (MME), comprising:
processing circuitry; a detection component for execution by the processing circuitry to identify S1-U interface congestion with respect to an interface between a source serving gateway (S-GW) and an evolved universal mobile telecommunications system (UMTS) terrestrial radio access network (E-UTRAN); and a configuration component for execution by the processing circuitry to select a target S-GW for which an S1-U interface to the E-UTRAN is uncongested, select, from among user equipment (UEs) served by an evolved node B (eNB) of the E-UTRAN, a set of UEs for which the source S-GW provides data plane connectivity to a packet data network (PDN) gateway (P-GW), and initiate congestion mitigation comprising reassigning the set of UEs to the target S-GW for data plane connectivity to the P-GW with respect to at least one of a downlink direction and an uplink direction, while maintaining the P-GW for the set of UEs. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method, comprising:
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detecting, by processing circuitry at a first serving general packet radio service support node (SGSN), user plane congestion (UPCON) with respect to one or both of an uplink direction and a downlink direction in an interface between a radio access network and the first SGSN; selecting a second SGSN; and sending a trigger message to initiate UPCON mitigation comprising reallocating user plane traffic of a set of mobile devices from the first SGSN to the second SGSN, while maintaining a current serving gateway (S-GW) to handle the user plane traffic of the set of mobile devices. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification