| 摘要 |
<p>A method for handover from a wireless local area network to a wireless wide area network and an apparatus supporting the method are provided. When channel interference becomes severe during communication with a wireless local area network, the method enables the apparatus to automatically perform handover to a wireless wide area network. The method includes checking integrity of data received from a wireless local area network, determining, if the received data lacks integrity, whether the received data was received within a threshold time, retrieving, if the received data was received within the preset threshold time, an integrity failure count and a retransmission count for the data from a storage unit, and performing, if the integrity failure count exceeds a maximum allowed number of failures and if the retransmission count exceeds a maximum allowed number of retransmissions, handover from the wireless local area network to a wireless wide area network.
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