Patent ID: 8494003

Claim:
A method for transmitting data packets, the method comprising the steps of: mapping one of (i) a plurality of full service data units, (ii) a plurality of segments of service data units, or (iii) at least one full service data unit and at least one segment of a service data unit to a data packet payload, the service data units in each of options (i), (ii) or (iii) including a first service data unit and a last service data unit; mapping a single indicator consisting of a first bit and a second bit to a data packet header, when the number of the service data units in the data packet payload is more than two; mapping the data packet header and the data packet payload to a data packet; and transmitting the data packet by a transmitter, wherein: the first bit and the second bit of the indicator indicate only (i) whether or not the data packet payload begins with a segment of the first service data unit, and (ii) whether or not the data packet payload ends with a segment of the last service data unit.