QAM MODULATOR AND DEMODULATOR The QAM modulator and demodulator combine two amplitude modulation signals into a single data transfer channel. The technique of modifying any one characteristic (amplitude, frequency, or phase) of a relatively high-frequency carrier signal in proportion to the instantaneous...
Software-based solutions lie in designing SDR systems mapped on general purpose processors and/or digital signal processors (DSPs), and the QAM modulator...Banerjee A, Dhar AS: Novel architecture for QAM modulator-demodulator and its generalization to multicarrier modulation. Microprocessors and ...
A 200-MHz all-digital QAM modulator and demodulator in 1.2- mu m CMOS for digital radio applications A 200-MHz universal all-digital quadrature modulator and demodulator are presented for implementing the front-end signal processing functions for high-bit-rate digital radio applications. The modulato...
信道:使用AWGN Channel模块模拟加性白高斯噪声(AWGN)信道。 解调:使用QAM Demodulator模块对接收到的信号进行解调。 误码率计算:使用Error Rate Calculation模块计算误码率。 2DPSK仿真模型 2DPSK的仿真模型搭建与16-QAM类似,主要区别在于调制和解调模块。对于2DPSK,我们使用DPSK Modulator和DPSK Demodulator模块。 MATLAB...
1. 正交幅度调制器 正交幅度调制器(QAM Modulator)作为一种高频谱利用率的数字调制方式,在数字电视广播、固定宽带无线接入、卫星通信、数… www.shangxueba.com|基于3个网页 2. 正交振幅调变器 ... 的实例正交振幅调变器(QAM modulator) 正交振幅解调变器(QAM demodulator) 讯号星座(signal constellations) 的表示...
Modulate and demodulate data using an arbitrary three-point constellation. Define a three-point constellation for general quadrature amplitude modulation (QAM). const = [1 1i -1]; Create general QAM modulator and demodulator System objects with the defined constellation. ...
signal_modulated1 = Modulator(signal,K); signal_receive1 = awgn(signal_modulated1,SNR(i),'measured'); signal_receive2 = signal_receive1.*exp(sqrt(-1)*2*pi*OFFSET*t ); offset2 = func_phase_est_dnn(signal_receive2);%基于深度学习的相位估计 ...
We also calculate BER (Bit Error Rate) after transmission and creates a 3D plot how BER is changing with diffrent disruptions. The code is low quality and comments (if they exists) are in Polish.About Simple model of BPSK, QPSK & 8QAM Modulator and Demodulator in MATLAB. Topics ...
signal_modulated1 = Modulator(signal,K); signal_receive1 = awgn(signal_modulated1,SNR(i),'measured'); signal_receive2 = signal_receive1.*exp(sqrt(-1)*2*pi*OFFSET*t ); offset2 = func_phase_est_dnn(signal_receive2);%基于深度学习的相位估计 ...
A 200-MHz all-digital QAM modulator and demodulator in 1.2-μm CMOS for digital radio applications -ary QAM. Both chips were fabricated in a 1.2-μm CMOS process Wong, B.C.,H Samueli - Solid-State Circuits, IEEE Journal of 被引量: 156发表: 1991年 Multicarrier QAM modulator For several...