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"Transmitter Apparatus, Receiver Apparatus, Communication System, And Processing Method For Use In Receiver Apparatus"
Abstract: The present invention relates to a transmission apparatus, a reception apparatus, a communication system, and a processing method used in the reception apparatus that are capable of reducing collisions of an Ack frame. A transmission apparatus 100 transmits an Ack frame 200 made up of only a PLCP preamble. In a reception apparatus 300, an RF unit 320 supplies the Ack frame 200 received by an antenna 310 to a PMD unit 340. The PMD unit 340 determines a termination end of the Ack frame 200 on the basis of a signal strength of the Ack frame 200 supplied from the RF unit 320. Furthermore, the PMD unit 340 generates a timing of the termination end of the PLCP preamble of the Ack frame 200 on the basis of the PLCP preamble. A PLCP unit 350 detects the Ack frame 200 on the basis of a result in which the termination end of the Ack frame 2 00 has been determined using the signal strength and the timing of the termination end of the PLCP preamble generated by the PLCP preamble of the Ack frame 200.
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