Patent ID: 9565699
Date: 2017-02-07
CPC Classifications: H04L,H04W

Claim:
1. A method for performing a polling procedure in a wireless communication system, the method comprising: setting, by a radio link control (RLC) layer of a sender, a polling field of a data block to be transmitted to a receiver, wherein a value of the polling field is set according to a status of a transmission buffer and a status of a retransmission buffer of the sender; and transmitting the data block to the receiver, wherein the value of the polling field of the data block is set to a value for triggering the receiver to transmit a status report to the sender in case that, after transmitting the data block, the transmission buffer becomes empty and that there is no data block to be retransmitted to the receiver in the retransmission buffer, wherein a data block present in the retransmission buffer, and awaiting acknowledgement from the receiver, is excluded when determining whether there is no data block to be retransmitted to the receiver in the retransmission buffer.