DATA TRANSMISSION METHOD AND APPARATUS IN NETWORK LINKED WITH HETEROGENEOUS SYSTEM
First Claim
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1. A data transmission method in a network linked with a heterogeneous system, the method comprising:
- transmitting downlink data to a terminal device using a first communication network; and
delivering, in response to a network transition request from the terminal device, control information used to connect the terminal device to a second communication network, to the terminal device using a channel associated with the first communication network while maintaining the transmitting of the downlink data using the second communication network differing from the first communication network.
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Abstract
Provided is a data transmission method and apparatus for maximizing data transmission efficiency by transmitting data through a flexible network transition in a network linked with a heterogeneous system.
24 Citations
18 Claims
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1. A data transmission method in a network linked with a heterogeneous system, the method comprising:
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transmitting downlink data to a terminal device using a first communication network; and delivering, in response to a network transition request from the terminal device, control information used to connect the terminal device to a second communication network, to the terminal device using a channel associated with the first communication network while maintaining the transmitting of the downlink data using the second communication network differing from the first communication network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A data transmission apparatus comprising:
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a mobile communication network server to transmit downlink data to a terminal device using a first communication network; a wireless fidelity (Wi-Fi) network server to maintain transmission of the downlink data to the terminal device based on a second communication network differing from the first communication network in response to a network transition request of the terminal device; and a control unit to transmit, to the terminal device, control information used to connect the terminal device to the second communication network using a channel associated with the first communication network. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification