Patent ID: 9584433
Date: 2017-02-28
CPC Classifications: H04L,H04W

Claim:
1. A data transmission apparatus comprising: a queue management unit to manage, using a processor, at least one queue in which information associated with at least one buffer descriptor (BD) is stored; a scheduler to estimate information to be transmitted among information associated with at least one media access control (MAC) protocol data unit (MPDU) using at least one transmission bitmap (Tx bitmap), to obtain a maximum length of a physical service data unit (PSDU) to be stored in a presentation protocol data unit (PPDU), and to set an aggregation flag until a size of aggregation becomes less than the maximum length of the PSDU, using a processor; a data transmitter to read the estimated information from information associated with a BD indicated in the at least one Tx bitmap, and transmit the read information to a physical layer, using a processor; and a physical layer management unit to generate information associated with PPDU based on the transmitted information, and transmit the generated information over the air, using a processor, wherein the at least one BD includes information associated with the at least one MPDU and the aggregation flag for a transmission performed in a physical layer.