Patent ID: 8942253
Filing Date: 2015-01-27
Classification: H04W

Abstract:
1. A system for data transmission on wireless alternating switching channels, comprising: at least a service forwarder for forwarding at least an additional service to a user sending a request to obtain said at least an additional service and to notify said at least a service forwarder to switch to a specified forwarding channel for exchanging information related to said at least an additional service and to receive information of said specified forwarding channel, and responding with information of said specified forwarding channel to said user; wherein said user sends a request to said at least a service forwarder to obtain said at least an additional service, and receives information of a specified forwarding channel responded by said at least a service forwarder; wherein before a connection between said user and said at least a service forwarder ends or fails, during a service interval, said user receives at least an original service and said at least a service forwarder uses a specified service channel used by said at least an additional service to receive or transmit data of said at least an additional service to said user; while during a control interval, said at least a service forwarder uses said specified forwarding channel to transmit at least a selective control message and selective additional service data selected by said at least a service forwarder for said at least an additional service to said user, said user switches to said specified forwarding channel to receive said at least a selective control message and said selective additional service data.