Patent application number | Description | Published |
20090046655 | Mobility Mechanism for Service Continuity - A system comprising an inter-RAT/inter-network redundancy controller (IRC) is provided. The IRC is configured to communicate with a source gateway in communication with a source radio access network (RAN) using a first radio access technology (RAT). The IRC is further configured to communicate with a target gateway in communication with a target RAN using a second RAT. The IRC is further configured to promote a handover of a user equipment from the source RAN connected to the source gateway to the target RAN connected to the target gateway when the source gateway fails. | 02-19-2009 |
20090069016 | Network and Cell Selection and Reselection for Long-Term Evolution Inter-Radio Access Network Based on Long-Term Evolution Mobility Driver Grouping - A system is provided for selecting a cell to which to hand off a user equipment (UE). The system includes a processor programmed to promote evaluation of a plurality of mobility drivers for one or more neighbor cells of a cell serving the UE (user equipment). The processor programmed to promote evaluation of a plurality of groups of mobility drivers based on the evaluations of the mobility drivers, wherein the UE is handed off to one of the cells based on the groups of mobility drivers that are evaluated positively. | 03-12-2009 |
20090088159 | Measurement Control for Handover From One Radio Access Technology to Another - A method is provided for measuring at least one radio condition of each of a plurality of radio access technologies (RATs). The method includes specifying a sequence of the RATs, and measuring at least one radio condition of a first RAT in the sequence before measuring at least one radio condition of a second RAT in the sequence. | 04-02-2009 |
20090116440 | Long Term Evolution User Equipment Multi-Packet Data Network Parameter Based Connectivity Control - A system is provided for concurrently connecting a user equipment to a plurality of packet data network gateways via a radio access network and a serving gateway. The system includes a processor configured to evaluate an operational parameter related to a set of network components to which the user equipment, the radio network, the serving gateway and the packet data network gateways belong. The operational parameter is used to control a user equipment to multiple packet data networks, subject to resource limitation, and QoS and PCC rules. | 05-07-2009 |
20090161575 | Long Term Evolution User Equipment Multi-Packet Data Network Connectivity Control - A system is provided for controlling user equipment connectivity to packet data networks. The system includes a profile maintaining information related to connectivity of the user equipment to one or more packet data networks. The system also includes one or more processors programmed to accept a user selection of one or more of the packet data networks maintained by the profile and to promote connection to the selected packet data networks. | 06-25-2009 |
20090238207 | Dynamic Aggregated Maximum Bit Rate for Evolved Packet System Non-Guaranteed Bit Rate Quality of Service Enforcement and Network Bandwidth Utilization - A system is provided for specifying a dynamic aggregated maximum bit rate (AMBR). The system includes a processor configured to determine whether a change in the AMBR currently applicable to a first network component should be requested. If a change in the AMBR is requested, the processor is configured to promote the first network component recommending to a second network component an adjusted AMBR. | 09-24-2009 |
20090239526 | Evolved Packet System Quality of Service Enforcement Deactivation Handling to Prevent Unexpected User Equipment Detach - A system of a telecommunications network is provided. The system includes a processor configured to promote preventing a detachment of a user equipment (UE) from the network by preventing deactivation of at least one default bearer between the UE and the network when at least one bearer between the UE and the network is to be deactivated based on a quality of service parameter. | 09-24-2009 |
20090245108 | Proactive Uplink Aggregate Maximum Bit Rate Enforcement - A system and method for enforcing uplink aggregate maximum bit rate (AMBR) at a network gateway is provided. In one embodiment, a network gateway may inform one or more network access nodes that are sending data to the network gateway that a total data flow rate on a plurality of bearers from the one or more network access nodes to the network gateway exceeds a first threshold. Responsive to being informed that the total data flow rate exceeds the first threshold, the one or more network access nodes take an action to decrease the data flow rate from a plurality of user equipment that are sending data to the one or more network access nodes. | 10-01-2009 |
20090262736 | User Equipment Detach With Multiple Packet Data Network Connectivity - A system is provided that includes a component configured to promote detachment of a user equipment (UE) from a plurality of packet data network (PDN) gateways by sending a message to each of the plurality of PDN gateways to which the UE has at least one active bearer. The message requests that at least one of the plurality of PDN gateways delete the at least one active bearer. | 10-22-2009 |
20100265823 | Mechanisms For Evolved Packet System Quality of Service Class Identifier Extension - A method to promote connectivity between a user agent (UA) and a packet data network (PDN) is provided. The method comprises determining a quality of service class identifier (QCI) to associate with a service data flow, determining a sense of change in at least one of a priority, a packet delay budget, and a packet error loss rate of the QCI to associate with the service data flow, and sending a request to establish a service data flow treatment, the request comprising the QCI and a QCI extension encapsulating the sense of change of the QCI. | 10-21-2010 |
20110170408 | CONGESTION LEVEL INDICATION WITH EXPLICIT CONGESTION NOTIFICATION IN COMMUNICATION SYSTEMS - A method, apparatus, and computer program product for indicating and responding to various congestion levels in a communication system, such as a wireless communication network. A congestion level in the network is determined, and a percentage of data packets to be transmitted to an endpoint, such as user equipment or another network endpoint serving the user, are marked to indicate the congestion level. The endpoint determines the congestion level at the network from the percentage of received data packets that are marked and may initiate an appropriate response behavior in response to the determined congestion level. | 07-14-2011 |
20110170410 | EXPLICIT CONGESTION NOTIFICATION BASED RATE ADAPTATION USING BINARY MARKING IN COMMUNICATION SYSTEMS - A method, apparatus, and computer program product for responding to congestion levels in a communication system by rate adaptation. A congestion condition is indicated by marking data packets. In response to receiving an indication of congestion, a data rate is reduced. A rate reduction inhibit timer is started, and further rate reduction is initiated if congestion is indicated after the rate reduction inhibit timer has expired. A rate increase timer is used to initiate a rate increase if no indication of congestion is received during a rate increase time. | 07-14-2011 |
20120063419 | Mobility Mechanism for Service Continuity with Core Element Failure - A system comprising an inter-RAT/inter-network redundancy controller (IRC) is provided. The IRC is configured to communicate with a source gateway in communication with a source radio access network (RAN) using a first radio access technology (RAT). The IRC is further configured to communicate with a target gateway in communication with a target RAN using a second RAT. The IRC is further configured to promote a handover of a user equipment from the source RAN connected to the source gateway to the target RAN connected to the target gateway when the source gateway fails. | 03-15-2012 |
20120069817 | METHODS AND APPARATUS TO PROVIDE PACKET SWITCHED SERVICE CONTINUITY DURING CIRCUIT SWITCHED FALLBACK OPERATION - Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation are described. One example method includes determining that a target system does not support packet switched handover; determining if non-3GPP access for packet switched service is available; and triggering handover to the non-3GPP access. | 03-22-2012 |
20120263076 | Long Term Evolution User Equipment Multi-Packet Data Network Parameter Based Connectivity Control - A system is provided for concurrently connecting a plurality of packet data network gateways to a serving gateway. The system includes a processor configured to evaluate an operational parameter related to a set of network components to which the serving gateway and the packet data network gateways belong. The operational parameter limits a quantity of packet data network gateways to which the serving gateway concurrently connects. | 10-18-2012 |
20140051457 | Evolved Packet System Quality of Service Enforcement Deactivation Handling to Prevent Unexpected User Equipment Detach - A system of a telecommunications network is provided. The system includes a processor configured to promote preventing a detachment of a user equipment (UE) from the network by preventing deactivation of at least one default bearer between the UE and the network when at least one bearer between the UE and the network is to be deactivated based on a quality of service parameter. | 02-20-2014 |
20140247722 | CONGESTION LEVEL INDICATION WITH EXPLICIT CONGESTION NOTIFICATION IN COMMUNICATION SYSTEMS - A method, apparatus, and computer program product for indicating and responding to various congestion levels in a communication system, such as a wireless communication network. A congestion level in the network is determined, and a percentage of data packets to be transmitted to an endpoint, such as user equipment or another network endpoint serving the user, are marked to indicate the congestion level. The endpoint determines the congestion level at the network from the percentage of received data packets that are marked and may initiate an appropriate response behavior in response to the determined congestion level. | 09-04-2014 |