Signal sending method for realizing high-order QAM modulation, signal receiving method for realizing high-order QAM modulation and system for realizing high-order QAM modulation
A technology for signal transmission and signal reception, which is applied in the field of high-order QAM modulation signal transmission and reception methods and systems, and can solve problems such as the decrease in the number of data transmission resources, the actual throughput does not increase but decrease, and the multi-time-frequency resources, etc., so as to improve the performance gain. , the effect of improving signal throughput and reducing bit error rate
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Embodiment 1
[0044] Such as figure 2 As shown, the present invention provides a signal transmission method for realizing high-order QAM modulation. The method is suitable for sending high-order QAM signals from the transmitting end to the receiving end in a low-bit quantization system, and the transmitting end stores a relational mapping Table, the relationship mapping table contains the corresponding relationship between the antenna state sequence and the high-order QAM signal, and the transmitting end is provided with at least two antennas, and the method includes:
[0045] Step 1, the transmitting end uses the traditional QAM modulation method to modulate the bit data in the information to be transmitted to generate high-order QAM symbols according to the information to be transmitted;
[0046] Wherein, the relationship mapping table includes a plurality of binary numbers, and the value of each binary number corresponds to the amplitude of a constellation point in the constellation dia...
Embodiment 2
[0088] Such as image 3 As shown, the present invention provides a signal transmission device for realizing high-order QAM modulation. The system is suitable for sending high-order QAM signals from the transmitting end to the receiving end in a low-bit quantization system, and the transmitting end stores a relational mapping The table, the relationship mapping table contains the corresponding relationship between the antenna state sequence and the high-order QAM signal, and the transmitting end is provided with at least two antennas. The system includes: a modulation module 10 and a selection module 20;
[0089] The modulation module 10 is arranged at the transmitting end, and the modulation module 10 is used to modulate and generate a high-order QAM signal according to the information to be transmitted;
[0090] The selection module 20 is arranged at the transmitting end, and the selection module 20 is used to select the antenna for transmitting the high-order QAM signal acco...
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