| Patent application number | Description | Published |
|---|
| 20090279485 | Method and Apparatus for Network Imposed Packet Data Flow Control - A method and apparatus provide network-based flow control for mobile station having data connections to the network. In an exemplary embodiment, a Packet Control Function (PCF) in a Radio Access Network (RAN) requests that a Packet Data Serving Node (PDSN) in a Packet Core Network (PCN) turn flow control on and off as needed for mobile station data connections. That is, if the PCF receives data from the PDSN for delivery to a mobile station that the PCF determines to be unavailable, the PCF requests that data transfers from the PDSN be suspended for that mobile station. Such suspension avoids needless continued transfer of undeliverable data to the PCF. The PCF monitors or otherwise determines whether a flow-controlled mobile station has become available again and, if so, notifies the PDSN so that it can lift the suspension and resume data transfers as needed. | 11-12-2009 |
| 20090323623 | Event Notification in a Hybrid Network - When a mobile station requests circuit services notifications through a packet switched network, a mobile switching center sets a forwarding indicator. When the MSC detects an event indicative of a change in the status of the mobile station, the MSC sends an event notification to the packet switched network if the forwarding indicator is set to true. In the packet switched network, the base station can use the event notifications to manage communication resources used for packet data communications with the mobile station. | 12-31-2009 |
| 20100234025 | System and Method for Initial Gateway Selection - A system and method for selecting a gateway upon mobile station initial network entry is provided. A method for controller operations includes determining that a criterion for gateway selection for a mobile station is met, selecting a gateway based on an allocation vector, and transmitting an allocation request to the selected gateway. The selecting being based on an allocation vector of selection probabilities for a plurality of gateways. The method also includes receiving a response message from the selected gateway, completing an initial network entry procedure if the response message indicates that the selected gateway will support the mobile station, and performing an alternate selection procedure if the response message indicates that the selected gateway will not support the mobile station. | 09-16-2010 |
| 20100267342 | System and Method for Supporting a Keep Alive Mechanism in a Wireless Communications System - A system and method for supporting a keep alive mechanism in a wireless communications system are provided. A method for communications device operation includes if the communications device is operating within an idle time window and if the communications device is in the idle state, initiating a keep alive procedure, and if the communications device is not operating within the idle time window and if an elapsed time since a last transmission by the communications device is greater than an upper boundary of the idle time window, initiating the keep alive procedure. The method further includes if the communications device is not operating within the idle time window and if the elapsed time since the last transmission by the communications device is less than a lower boundary of the idle time window, not initiating the keep alive procedure. | 10-21-2010 |
