Patent ID: 9294235
Filing Date: 2016-03-22
CPC Classification: H04L

Claim Text:
1. A method for wireless communication, comprising: receiving, by a user equipment, a plurality of data streams that together carry a data transmission, the plurality of data streams including a first data stream from a first cell and a second data stream from a second cell, the first data stream and the second data stream comprising Radio Link Control (RLC) Packet Data Units (PDUs) having respective sequence numbers of the data transmission; detecting, at the user equipment, a gap in the sequence numbers of the RLC PDUs; delaying, at the user equipment, transmitting a not acknowledged (NAK) for the gap in the sequence numbers of the RLC PDUs by starting a NAK delay timer in the user equipment upon detecting the gap; determining, at the user equipment during a delay period after the NAK delay timer has started, whether the NAK delay timer has expired; detecting, at the user equipment during the delay period, whether the gap has been filled, and determining, at the user equipment during the delay period, whether each sequence number of the gap is lower than each of a highest sequence number of the first data stream and a highest sequence number of the second data stream before the NAK delay timer has expired, and transmitting, by the user equipment, the NAK upon a determination of a first to occur of: