CPC H04L 5/14 (2013.01) [H04L 5/0064 (2013.01)] | 21 Claims |
20. A communications system, comprising:
a first communication apparatus that transmits and receives packets by TDD (Time Division Duplex) via a predetermined communication protocol; and
a second communication apparatus, wherein
the first communication apparatus includes
an application stream encapsulator that receives a plurality of serial signals generated by a plurality of application and outputs a plurality of application packets corresponding to the plurality of serial signals,
a transmitter that periodically transmits, with an interval assigned by TDD (Time Division Duplex) being one TDD time slot and a plurality of TDD time slots being one period, the plurality of application packets corresponding to the plurality of serial signals generated by the plurality of applications to a communication partner device, and
a frame constructor that changes, for every one period, a priority of part of application packets corresponding to part of two or more applications of the plurality of applications, the part of application packets being transmitted in at least one specific TDD time slot for transmitting the part of application packets, the plurality of TDD time slots including the at least one specific TDD time slot, and
the second communication apparatus includes a transmitter/receiver that receives a packet transmitted from the first communication apparatus and periodically transmits a packet to the first communication apparatus with the plurality of TDD time slots being the one period.
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