Patent ID: 9515784
Filing Date: 2016-12-06
CPC Classification: H04L

Claim Text:
1. A method to retransmit data in a wireless communication system using channel bonding, the method comprising: transmitting, by a wireless device, data by mapping a first set of data to a first channel of at least two channels according to the channel bonding and by mapping a second set of data to a second channel of the at least two channels according to the channel bonding; after transmitting the first set of data and the second set of data, determining by the wireless device, whether to change the at least two channels for the data retransmission based on a channel status of the at least two channels; and in response to determining to change the channel for the data retransmission, retransmitting, by the wireless device, the first set of data and the second set of data by changing a mapping scheme so that the first set of data is mapped to the second channel and the second set of data is mapped to the first channel, wherein retransmitting the data comprises transmitting channel change information by changing the channel change information corresponding to the changed channel in a header of the retransmitted data.