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DSSS.rar
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
QPSK
- QPSK调制的误码率与信噪比关系图，理论值与实际值的对比。-QPSK modulation the BER and SNR diagram
QPSK
- 实现QPSK的仿真，画出误码率和信噪比的曲线-QPSK simulation to achieve, draw the curve of error rate and SNR
qpsk
- Passing signal to AWGN channel after QPSK modulation and plotting BER at SNR
SpaceTimeTrellisCode
- The software is capable to simulate space time code [1] for QPSK modulation using different number of state. Examples of generator matrix up to 256 stetes are provided. Variable signal to noise ratio (SNR) might be applied to produce bit error rate (
ber
- Bit error probability curve for QPSK mimo 1*2, Bit error probability curve for QPSK mimo 1*4-Bit error probability curve for QPSK mimo 1*2, Bit error probability curve for QPSK mimo 1*4
QPSK
- 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万 门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率 小于10-5的数据传输。 -Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one
DesignandDSPrealizationofan0FDMreceiver
- 设计了一个OFDM接收机，并采用1fI公司的TMS320C6416芯片进行实现。在假设理想 同步的前提下，该系统进行了FFT变化、使用了Ls(最小二乘法)进行信道估计，并且采用了 QPSK算法进行解调。最后将接收机输出数据与发端数据进行比较，在不同信噪比情况下计算其 误码率，得出了比较理想的结果。-An OFDM receiver is designed in山is paper and realized on the platform of the 1MS32OC6416 chip
QPSKMATLAB
- qpsk通过信道信噪比估计，包括qpsk，8psk，16psk，16qam-qpsk through the channel SNR estimation
qpsk
- 设定噪声为高斯白噪声，对2PSK调制解调的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。 -Set the noise is Gaussian white noise on the BER 2PSK modem statistics, and compared with the theoretical value, a graphical representation of the bit error rate and SNR relationships.
RAKE_BER_CONVENC_QPSK
- *Demonstrate convolutional encoding and decoding *Simulate BER for QPSK and BPSK, plot and then **compare the result with the theoretical value. *compare SER of the Rake and ML. – Symbols are taken randomly from QPSK. – Run the simulation for
OFDM_SNR(QPSK)
- OFDM系统，调制方式QPSK，查看星座图，分析误码率-OFDM systems, modulation QPSK, view the constellations, the bit error rate analysis
mpsk_table
- QPSK gray code BER,SNR -super ailqk-QPSK gray code BER,SNR -super ailqk
QPSK
- 存在多径的OPSK传输性能仿真。可以绘出不同信噪比下的误码率曲线图-The OPSK multipath transmission performance simulation. Can draw different SNR BER curves
LDPC_QPSK
- 母码码率为1/2的LDPC编码，QPSk调整，SNR-BER图-failed to translate
psk
- 信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析几种调制方式（2FSK、2PSK、QPSK、16PSK、16QAM）在不同信噪比下的通信质量。-Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of th
qpsk
- qpsk simulation with constellation and ber vs snr graph using scilab
qpsk
- this file is simulated bit error for qpsk in awgn channel versus snr.
qpsk
- qpsk 信噪比仿真画图 信噪比范围0-11db-qpsk SNR simulation drawing
channel capacity and SNR
- QPSK,8PSK,16QAM等信号调制的信道容量与信噪比的关系matlab代码。(QPSK,8PSK,16QAM relationship between channel capacity and signal-to-nouse ratio.)