Patent ID: 8630266
Filing Date: 2014-01-14
Classification: H04W

Abstract:
1. A method of transmitting a data stream, the method comprising: at a correspondent node, transmitting a media independent handover (MIH) information request message having a predetermined format to at least one server or directly to a mobile node; at the correspondent node, detecting an event corresponding to a link characteristic change in the mobile node and reporting generation of the event; at the correspondent node, obtaining information regarding the link characteristic change of the mobile node by receiving a MIH information response message which uses the predetermined format, the link characteristic change indicating a change in a data rate of the data stream related to a handover of the mobile node between heterogeneous links in a link layer; and at the correspondent node, transmitting by an upper layer, the data stream to the mobile node based on the obtained information regarding the link characteristic change, wherein the correspondent node is a node communicating with the mobile node via a wireless network, wherein the event corresponding to the link characteristic change in the mobile node includes an event identifier field, an event type field, and event name field, and a description field.