Transmitting apparatus and transmitting method
A transmitting device and technology for transmitting data, which are applied in the directions of phase modulation carrier system, digital transmission system, error prevention, etc., to achieve the effect of preventing the problem of throughput reduction and preventing the deterioration of error rate characteristics
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[0038] Figure 5What is shown is a structural block diagram of the communication system 100 involved in the embodiment of the present invention. The transmission device 101 is constituted by an arrangement determination unit 103 , an interleaver 104 , a data replacement unit 105 , a mapping unit 106 , and a modulation unit 107 . Meanwhile, the receiving device 102 is constituted by the configuration determination unit 109 , the demodulation unit 110 , the demapping unit 111 , the data replacement unit 112 , and the deinterleaver 113 .
[0039] Configuration determination unit 103, when performing initial transmission according to the number of transmission times information, decides to perform general constellation mapping predetermined according to different modulation methods, and determines to change the constellation mapping position or change each symbol according to the number of times of retransmission during retransmission bit configuration. Moreover, the configurati...
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