Abstract: A data communication system delivers voice-conferencing and video-conferencing to User Equipment (UE). A wireless communication network establishes a signaling bearer between the UE and an Internet Protocol Multimedia Subsystem (IMS). The IMS initiates a video-conference bearer for the UE over the wireless communication network. The wireless communication network exchanges video data over the video-conference bearer using Carrier Aggregation (CA). In response to a UE handover to a target wireless access node, the wireless communication network signals the IMS to convert the video-conference bearer into a voice-conference bearer based on Carrier Aggregation (CA) technology at the target wireless access node. The IMS initiates a voice-conference bearer for the UE over the wireless communication network. The wireless communication network exchanges voice data over the voice-conference bearer.

Abstract: A data communication system delivers voice-conferencing and video-conferencing to User Equipment (UE). A wireless communication network establishes a signaling bearer between the UE and an Internet Protocol Multimedia Subsystem (IMS). The IMS initiates a video-conference bearer for the UE over the wireless communication network. The wireless communication network exchanges video data over the video-conference bearer using Carrier Aggregation (CA). In response to a UE handover to a target wireless access node, the wireless communication network signals the IMS to convert the video-conference bearer into a voice-conference bearer based on Carrier Aggregation (CA) technology at the target wireless access node. The IMS initiates a voice-conference bearer for the UE over the wireless communication network. The wireless communication network exchanges voice data over the voice-conference bearer.

Abstract: A Long Term Evolution (LTE) Mobility Management Entity (MME) manages a service level for an Internet Protocol Multimedia Subsystem (IMS) media session for a User Equipment (UE). The MME exchanges first control data with the UE to establish an IMS signaling bearer and a media session bearer. The MME identifies a UE hand-over between LTE access nodes during the IMS media session and determines an access technology difference between the LTE access nodes. The MME determines when the service level for the IMS media session should be modified based on the access technology difference and exchanges service modification data with the IMS. The MME exchanges second control data with the UE to indicate a modification to the service level for the IMS media session.

Abstract: An LTE base station facilitates handoffs in an LTE communication system. The LTE base station is configured to exchange session communications with a UE and receive session information transmitted from an LTE communication control system, the session information including a media type of the communication session and a vector associated with the UE. The LTE base station is further configured to identify a plurality of candidate base stations within a proximity threshold to a path of the vector associated with the UE, poll the plurality of candidate base stations for capability information, process the capability information to determine a set of the candidate base stations that support the media type of the communication session, select a target base station for a handoff from the set of the candidate base stations that support the media type, and instruct the UE to initiate the handoff to the target base station.

Abstract: A data communication network to provide network access data sets for User Equipment (UE) selection of a wireless relay. The wireless relays transfer relay status data to a network control system. The network control system processes the relay status data to generate network access data sets for the wireless relays and transfers the individual network access data sets for delivery to the wireless relays. The wireless relays receive their individual network access data sets and wirelessly broadcast relay Long Term Evolution (LTE) System Information Blocks (SIBs) indicating their individual network access data sets. The wireless relays receive wireless UE attachments responsive to the relay LTE SIB broadcasts of the individual network access data sets.