Abstract: A wireless communication device (WCD) is configured to receive and maintain concurrently in data storage at least two different IMS transfer-addresses, such as one for use when the WCD's transition between radio access networks (RANs) is a single-radio transition and the other for use when the WCD's transition between RANs is a dual-radio transition, and/or one for use when the WCD's transition between RANs is packet-to-packet and the other for use when the WCD's transition between RANs is packet-to-circuit. Upon transitioning between RANs, the WCD may then select the appropriate one of these IMS transfer-addresses and transmit the selected IMS transfer-address to a network node to facilitate handover of an ongoing call to be via the WCD's new serving RAN.

Abstract: Systems and methods are described for scheduling transmission from an access node. Network conditions in a communication network comprising an access node may be monitored. A scheduling algorithm may be selected for the access node based on the monitored network conditions. Data transmissions may be scheduled from the access node based on the selected scheduling algorithm. And data may be transmitted from the access node to wireless devices based on the transmission schedule.

Abstract: A base station or other entity in a wireless communication system detects high use of air interface resources and responsively identifies one or more served devices that have reported threshold similar coverage quality for the base station and for an adjacent base station. And the base station applies a limit to allocation of resources for each such identified device.

Abstract: A method and apparatus to help manage sequential processing of messages. When a layer of a protocol stack in a computing device encounters a need to transmit two or more messages in a particular sequence, the layer generates and pass to a next layer of the stack a composite message defining the two or more messages together, rather than sending the messages one by one to the next layer. With this process, the combination of the two or more messages may thus pass between and/or through layers of the stack, and a layer of the stack receiving the combination may then extract the messages individually from the combination and output the extracted messages in sequence as desired.

Abstract: A system and method of scheduling communication in a wireless communication network are provided. A first access node can determine a scheduling scheme based on data addressed to wireless devices in communication with the first, second, and third access nodes. The data addressed to the wireless devices in communication with the first access node can be transmitted during a first subframe of the scheduling scheme where the first access node does not transmit data addressed to the wireless devices in communication with the first access node during a second subframe of the scheduling scheme. The second and third access nodes can be instructed to assign data addressed to wireless devices that do not meet a signal condition threshold to be transmitted during the first subframe and to assign data addressed to wireless devices that meet the signal condition threshold to be transmitted during the second subframe.

Abstract: Disclosed herein is a method carried out by a router. The method includes the router receiving a data packet originated by a wireless communication device (WCD) being served by a base station. The method also includes the router determining an air-interface resource on which the base station is serving the WCD. After receiving the data packet, the router determines a routing prioritization for the data packet based at least in part on the determined air-interface resource. The router may then route the data packet in accordance with the determined routing prioritization.

Abstract: In systems and methods of determining the availability of a radio access technology, a first message is received from a wireless device in communication with an access node using a first radio access technology, wherein the first message comprises a request of the availability of a second radio access technology at the access node. Based on the first message, an identifier of the wireless device and an identifier of the first access node are determined. Based on the access node identifier, it is identified whether the second radio access technology is available at the access node, and a second message is sent to the wireless device instructing the wireless device to scan for the second radio access technology when it is available.

Abstract: A method, apparatus, and system for provisioning a mobile station with a destination communication address, such as a public safety answering point address for instance, during de-registration of the mobile station from a cellular radio access network (RAN). During de-registration of the mobile station from the cellular RAN, a location of the mobile station may be determined. The location may then be used as a basis to look up a communication address of a PSAP or other such destination, and the communication address may be provided to the mobile station in a de-registration response message, or the de-registration response message may be otherwise used as a basis to convey the communication address to the mobile station. Thereafter, when the mobile station seeks to place an emergency service call while not registered with the RAN, the mobile station may conveniently retrieve the communication address and place the call to that address.

Abstract: A method and system is disclosed for selection of an air interface protocol based on spectral efficiency (SE). When a request for service is received from a wireless communication device on a first air interface, a requested SE of the request will be determined, and a first ratio of the requested SE to an average SE on the first air interface computed. If the first ratio is greater than a threshold, the requested service will be provided on the first air interface. Otherwise, a projected SE of providing the requested service on a second air interface will be determined, and a second ratio of the projected SE to an average SE on the second air interface computed. If the first ratio is greater than the second ratio, the requested service will be provided on the first air interface. Otherwise, the requested service will be provided on the second air interface.

Abstract: In systems and methods of maintaining a network connection of a wireless device, network connection information is associated with the wireless device and is maintained at a gateway node in communication with a first communication network and a second communication network. A first network connection between the wireless device and the first communication network is terminated, and a second network connection is established between the wireless device and the second communication network using the network connection information, wherein the association of the network connection information and the wireless device is maintained until the second network connection is established.

Abstract: First data packets for a wireless device are received from a data source at a network element, and are encoded into at least one second data packet using a data redundancy factor, where the at least one second data packet comprising at least two of the first data packets. The at least one second data packet is provided to an access node and is sent from the access node to the wireless device over a first frequency band. A round trip time of at least one of the first data packets is determined at the data source, and further a frequency band load of the first frequency band is determined. A handover is performed of the wireless device from the first frequency band to a second frequency band based on the round trip time and the frequency band load of the first frequency band.

Abstract: In systems and methods of allocating carriers in a wireless communication network, a plurality of wireless devices in communication with an access node is ranked in a first ranking according to a required data rate of each wireless device. A carrier metric is determined for each of a plurality of carriers of the access node according to an actual data rate of each of the carriers and the required data rate of each wireless device, and each of the carriers is ranked in a second ranking for each of the plurality of wireless devices according to the determined carrier metric of each of the plurality of carriers. A first wireless device is selected from the first ranking, and a carrier from the second ranking is allocated to the selected first wireless device when the carrier provides the required data rate of the selected first wireless device.

Abstract: A mechanism is disclosed for facilitating the performance of communication services in a communication network. An enhanced proxy server receives and proxies to a voice mail server a message indicative of a call attempt from an originating party to a terminating party. Further, the enhanced proxy server extracts an outgoing voice mail message from a data store and makes the outgoing voice mail message available for the voice mail server to play to the originating party in a session established between the voice mail server and the originating party in response to the signaling message.

Abstract: In systems and methods of wireless device communication using carrier priority, it is determined for a wireless device using a lower priority carrier that a signal strength of a higher priority carrier meets a signal strength criteria. It is further determined that a loading of the higher priority carrier meets a loading criteria. When the loading meets the loading criteria and the signal strength meets the signal strength criteria, a handover is performed of the wireless device from the lower priority carrier to the higher priority carrier.

Abstract: Disclosed is a method and system for managing signaling in a communication network. A paging controller determines one or more target coverage areas to attempt a paging request for a wireless communication device (WCD) based on (i) a coverage area last serving the WCD (“last known coverage area”) and (ii) an amount of time passed since the WCD last transitioned from a connected state to an idle state in the last known coverage area (“the idle duration”). The paging controller can utilize a database that specifies, on a per WCD basis, one or more records of associated data items for different last known coverage areas, idle durations, and target coverage areas. With knowledge of a last known coverage area and idle duration for a WCD, database record(s) can be identified and target coverage area(s) can be determined. A paging request can then be transmitted to the determined target coverage area(s).

Abstract: Aspects of selecting a base station for a UE device are described. The UE device or a wireless network component (e.g., a base station) can determine RF uplink use values of a coverage area. The RF uplink use values can be received from one or more base stations and can be based on a subframe or other time segment. A processor can determine a base station having a greatest number of subframes with at least one resource block available. If the base stations have an equal number of subframes having at least one resource block available, the processor can determine which base station has a greatest number of subframes having at least two resource blocks available (or three, etc. if additional ties exist). A selection of the base station can be based on the processor's determination and whether the UE device is located within an edge of a coverage area.

Abstract: In systems and methods of transmitting information to a wireless device, information is received at a first access node from a second access node over a communication link between the first and second access nodes, the information comprising an indication of whether the transmission of a resource block at the first access node may cause interference with a transmission at the second access node. The first access node transmits the resource block when it is determined that the transmission at the first access node will not interfere with a transmission at the second access node.

Abstract: A system and method for displaying a customized banner on a wireless communication device (WCD) indicating call quality. A WCD operating in a wireless communication system that include a first base station can receive from the first base station a first message that includes a first specific indication confirming that a particular mode of high quality voice communication has become active on an end-to-end basis for an existing voice call between the WCD and a different WCD operating in the wireless communication system. In response to determining that the first message includes the first specific indication, the WCD can a particular icon signifying that the particular mode of high quality voice communication has become active.

Abstract: A wireless device is determined to be in communication with a first access node is at a location in a coverage area of a first communication network, and it is determined whether the wireless device is in communication with the first access node using a first radio access technology or a second radio access technology. The availability of the first r and the second radio access technologies from the first communication network are determined, and the wireless device is permitted to register with the PTT communication system when the wireless device is in communication with the access node using the first radio access technology. Further, the wireless device is prevented from registering with the PTT communication system when the wireless device is in communication with the access node using the second radio access technology and the first radio access technology is available for the wireless device.

Abstract: A base station or a UE may use another base station's carrier-aggregation policy for a cell provided by the other base station as a basis to control handover of the UE from being served by the base station to being served by the other base station. As one example, a first base station may use a second base station's carrier-aggregation policy for at least one of multiple co-located cells provided by the second base station as a basis to control handover of the UE from being served by the first base station to being served by the second base station. As another example, a UE may use a second base station's carrier-aggregation policy for one of multiple co-located cells provided by the second base station as a basis to control cell reselection.