A wireless communication device uses multiple wireless communication services for communication between an in-vehicle device of a vehicle and an external device. The wireless communication device acquires a delay characteristic value for each wireless communication service from a network device. The delay characteristic value is an upper limit of an estimated range of delay time in communication. The wireless communication device acquires an allowable delay amount indicating a length of an allowable communication delay time from the in-vehicle device. The wireless communication device allocates a wireless communication service, which is relatively small in the delay characteristic value among the wireless communication services, to the in-vehicle device that is small in the allowable delay amount.

In an embodiment, there is provided a method for handover enhancement for User Equipment UE application layer traffic carried over a mobile network, said method comprising at least one step based on informing said UE of a traffic path change in said mobile network due to said handover, requiring action at application layer level.

In some embodiments, a non-transitory processor-readable medium includes code to cause a processor to receive at a tunnel server, a data unit addressed to a communication device, and define, a first instance of the data unit and a second instance of the data unit. The first instance of the data unit is sent to the communication device via a first tunnel defined between at least the tunnel server and a first base station associated with a first network. The second instance of the data unit is sent to the communication device via a second tunnel defined between at least the tunnel server and a second base station associated with a second network. The second instance of the data unit is dropped by the communication device when the first instance of the data unit is received before the second instance of the data unit.

A handover node may receive a first hardware device identifier transmitted by a hardware device and a second hardware device identifier transmitted by a manager node. The handover node may determine whether the first and second hardware device identifiers match and, as a result of determining that the first and second hardware device identifiers match, transmit contact information for the manager node to a hardware device. A manager node may receive a hardware device identifier that identifies a hardware device, transmit the hardware device identifier to a handover node, and transmit contact information for the manager node to the handover node. The contact information may include a port number of the manager node different than a port number used to communicate with the handover node. The manager node may receive a request to establish a communication session between the hardware device and the manager node.

A handover node may receive a first hardware device identifier transmitted by a hardware device and a second hardware device identifier transmitted by a manager node. The handover node may determine whether the first and second hardware device identifiers match and, as a result of determining that the first and second hardware device identifiers match, transmit contact information for the manager node to a hardware device. A manager node may receive a hardware device identifier that identifies a hardware device, transmit the hardware device identifier to a handover node, and transmit contact information for the manager node to the handover node. The contact information may include a port number of the manager node different than a port number used to communicate with the handover node. The manager node may receive a request to establish a communication session between the hardware device and the manager node.

A communication method, applied to a scenario wherein a terminal device is moving from a source access network device to a target access network device and performing a multicast service, includes obtaining, by the target access network device, reference information of the multicast service, The reference information includes area information. The area information corresponds to a sub-service area of the multicast service. The method also includes sending, by the target access network device, information about a forwarding path based on the reference information. The forwarding path is used for the target access network device receiving data of the multicast service.

A method for base station switching is performed by a terminal. The method includes: in response to the terminal switching a first subscriber identity module (SIM) from a first base station to a second base station, sending information of a second SIM of the terminal to the second base station, wherein the information of the second SIM is configured to reside the second SIM in an inactive state on the second base station, and the first SIM is in a connected state.

A method for base station switching is performed by a terminal. The method includes: in response to the terminal switching a first subscriber identity module (SIM) from a first base station to a second base station, sending information of a second SIM of the terminal to the second base station, wherein the information of the second SIM is configured to reside the second SIM in an inactive state on the second base station, and the first SIM is in a connected state.

In general, techniques are described for atomically installing and withdrawing host routes along paths connecting network routers to attenuate packet loss for mobile nodes migrating among wireless LAN access networks and a mobile network. In some examples, whenever the mobile node moves from one attachment point to the next, it triggers the distribution of its host route from the new attachment point toward the service provider network hub provider edge (PE) router that anchors the mobile node on a service provider network. Routers participating in the Mobile VPN install the host route “atomically” from the attachment point to the mobile gateway so as to ensure convergence of the network forwarding plane with the host route toward the new attachment point prior to transitioning mobile node connectivity from a previous attachment point.

In general, techniques are described for atomically installing and withdrawing host routes along paths connecting network routers to attenuate packet loss for mobile nodes migrating among wireless LAN access networks and a mobile network. In some examples, whenever the mobile node moves from one attachment point to the next, it triggers the distribution of its host route from the new attachment point toward the service provider network hub provider edge (PE) router that anchors the mobile node on a service provider network. Routers participating in the Mobile VPN install the host route “atomically” from the attachment point to the mobile gateway so as to ensure convergence of the network forwarding plane with the host route toward the new attachment point prior to transitioning mobile node connectivity from a previous attachment point.