Location:
Search - Alamouti QPSK
Search list
Description: 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame)
调用函数QpskMapping(psudo_bit_sequence)－－二进制数据到QPSK信号的变换
调用函数RayleighCH(Nr,Nt)－－瑞利衰落信道模拟
仿真示例：
Alamouti(1,12,20,24)
说明：
1.2根发射天线、1根接收天线
2.最高信噪比为12dB，即仿真范围为0dB到12dB
3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真
4.每一帧数据为24个QPSK符号
综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame)
具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较
SimAlamouti(12,20,24)
Platform: |
Size: 205151 |
Author: 老何 |
Hits:
Description: 瑞利衰落信道中空时编码仿真程序：
1.2根发射天线、1根接收天线2.最高信噪比为12dB，即仿真范围为0dB到12dB3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真4.每一帧数据为24个QPSK符号
Platform: |
Size: 4947 |
Author: 陈功 |
Hits:
Description: QPSK通过瑞利信道的MATLAB仿真，Alamouti空时码在不同调制方式下的性能仿真
Platform: |
Size: 7685 |
Author: fx860310 |
Hits:
Description: QPSK的VERLOG源码，在MODELSIM下的一个工程，有测试向量。-QPSK VERLOG source of the MODELSIM of a project, test vector.
Platform: |
Size: 23552 |
Author: 刘仪 |
Hits:
Description: 程序的主要功能是做了一定范围的信噪比下，对每个信噪比：随机信号QPSK调制；
根据Alamouti方案的矩阵进行编码；发送信号经过瑞利信道和加入高斯白噪声；
接收信号采用最大比合并的方法；最后对合并信号进行最大似然判决并求误符号率。
结果表明10^-3对应大约12->13dB-Procedure main function is to do a certain range of SNR for each signal to noise ratio: random signal QPSK modulation program in accordance with Alamouti coding matrix send signals through Rayleigh channel and adding Gaussian white noise received signal using maximal-ratio combining method Finally the combined signal and the maximum likelihood decision for symbol error rate. The results showed that about 10 ^-3 corresponds to 12-> 13dB
Platform: |
Size: 1024 |
Author: |
Hits:
Description: 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame)
调用函数QpskMapping(psudo_bit_sequence)－－二进制数据到QPSK信号的变换
调用函数RayleighCH(Nr,Nt)－－瑞利衰落信道模拟
仿真示例：
Alamouti(1,12,20,24)
说明：
1.2根发射天线、1根接收天线
2.最高信噪比为12dB，即仿真范围为0dB到12dB
3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真
4.每一帧数据为24个QPSK符号
综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame)
具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较
SimAlamouti(12,20,24)-The main function Alamouti (Nr, max_snr, max_err_symbol, symbol_per_frame) function call QpskMapping (psudo_bit_sequence)- binary data to the QPSK signal transformation function call RayleighCH (Nr, Nt)- Rayleigh fading channel Simulation Example: Alamouti (1,12 , 20,24) Description: 1.2 transmission antennas, a receiving antenna 2. the highest SNR 12dB, that is, simulation range of 0dB to 12dB 3. in each signal to noise ratio conditions, the misuse of symbols that stop a few more than 20 The signal to noise ratio under the conditions of simulation 4. each frame of data for the 24 QPSK symbols integrated simulation function SimAlamouti (max_snr, max_err_symbol, symbol_per_frame) with a receiving antenna system SER performance and two receive antenna system SER performance comparison SimAlamouti (12,20,24)
Platform: |
Size: 204800 |
Author: 老何 |
Hits:
Description: 瑞利衰落信道中空时编码仿真程序：
1.2根发射天线、1根接收天线2.最高信噪比为12dB，即仿真范围为0dB到12dB3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真4.每一帧数据为24个QPSK符号-Rayleigh Fading Channels Space-Time Coding Simulation Program: 1.2 transmission antennas, a receiving antenna 2. The highest SNR 12dB, that is, simulation range of 0dB to 12dB3. In each signal to noise ratio conditions, the number of symbol error over 20 that is, to stop the signal to noise ratio under the conditions of simulation 4. each frame 24 QPSK data symbols
Platform: |
Size: 5120 |
Author: 陈功 |
Hits:
Description: Alamouti 在BPSK和QPSK下的性能仿真比较-Alamouti in BPSK and QPSK compare performance simulation under
Platform: |
Size: 2048 |
Author: caowenli |
Hits:
Description: QPSK通过瑞利信道的MATLAB仿真，Alamouti空时码在不同调制方式下的性能仿真-QPSK Rayleigh channel through MATLAB simulation
Platform: |
Size: 7168 |
Author: liuyu |
Hits:
Description: 2发射天线n接收天线MPSK调制下的AlamoutiMATLAB编码及仿真结果-2 transmitting antenna n to receive antenna AlamoutiMATLAB under MPSK coded modulation and simulation results
Platform: |
Size: 22528 |
Author: cheng |
Hits:
Description: Alamouti 2x1 system with QPSK modulation
Platform: |
Size: 1024 |
Author: yakup |
Hits:
Description: Alamouti code for qpsk made easy
Platform: |
Size: 37888 |
Author: walid |
Hits:
Description: There are 5sample files of qpsk, ofdm, scfde, alamouti and space time codings.
those of 5samples can be useful for using matlab user.
Platform: |
Size: 8192 |
Author: doung-chul |
Hits:
Description: alamouti的mimo方案，包括1发2收，2发1收，2发2收。里面包含文件：qpsk.m；decode1.m；decode.m；mimo_12.m；mimo_21.m；mimo_22.m以及结果和说明文档mimo.doc。
帧数：1000
帧长：1024
调制方式：qpsk
收发天线数：1*2,2*1,2*2
-alamouti of mimo programs, including a fat, 2 received, 2 fat, 1 received, 2 sent 2 income. Which contains the file: qpsk.m decode1.m decode.m mimo_12.m mimo_21.m mimo_22.m and results and documentation mimo.doc. Frames: 1000 Frame Size: 1024 Modulation: qpsk transceiver antennas: 1* 2,2* 1,2* 2
Platform: |
Size: 51200 |
Author: loseword |
Hits:
Description: MATLAB 环境下的 Alamouti qpsk 仿真，可以运行通过-Alamouti qpsk MATLAB simulation environment, you can run through it
Platform: |
Size: 2048 |
Author: ddw |
Hits:
Description: I simulated the SPACE TIME BLOCK CODED system based on
Alamouti scheme, where the modulation is BPSK. Now I am trying to
extend that to QPSK and higher modulations.
Since for SISO channels, BER curve for BPSK and QPSK is equal in AWGN
and flat fading channels.
Platform: |
Size: 1024 |
Author: den |
Hits:
Description: 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame)
调用函数QpskMapping(psudo_bit_sequence)－－二进制数据到QPSK信号的变换
调用函数RayleighCH(Nr,Nt)－－瑞利衰落信道模拟
仿真示例：
Alamouti(1,12,20,24)
说明：
1.2根发射天线、1根接收天线
2.最高信噪比为12dB，即仿真范围为0dB到12dB
3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真
4.每一帧数据为24个QPSK符号
综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame)
具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较
SimAlamouti(12,20,24)
参数说明：
1.max_err_symbol的取值直接影响了仿真的精度：取值越大，精度越高，误符号率曲线也更平滑；但需更长的仿真
时间
2.一般max_snr小于15dB，程序中snr为信号噪声功率比
3.本程序仿真时未考虑帧与帧之间，信道衰落系数的相关性，因此symbol_per_frame一定程度上表征了信道相关时
间的大小，即在symbol_per_frame个QPSK信号发送时间内，信道衰落系数是不变或缓变的，而在下一帧数据中，
信道衰落系数可以认为已变成另一值
4.本程序假定在接收端已通过信道估计获得信道衰落系数-ALAMOUTI performs Monte-Carlo simulation and estimates Bit Error Rate
(BER) of Alamouti Scheme [1] over Rayleigh channel. The scheme presumes
2 transmit (Tx) and arbitrary number of receive (Rx) elements.
If Rx=1 (one receive element) ALAMOUTI is transformed to the order 2
transmit diversity scheme with Maximum Ratio Combining (MRC). The
modulation format is MPSK with arbitrary order M which can be
controlled by user.
Platform: |
Size: 203776 |
Author: chenyiren |
Hits:
Description: 在瑞利衰落信道下，QPSK的alamouti空时分组码的性能仿真，通过几个函数以及一个主函数来实现！-Rayleigh fading channels , the block codes performance simulation the QPSK alamouti empty , to implement several functions , as well as a main function !
Platform: |
Size: 6144 |
Author: 吴明英 |
Hits:
Description: THis is the QPSK code for MIMO channel. This will give you BER performace
Platform: |
Size: 1024 |
Author: Shamim Kaiser |
Hits:
Description: 简单的MIMO模拟
假定QPSK，ML解码（SM ZF检测器除外）。
mrc.m - 最大比例组合
stc.m - 具有1和2个接收天线的Alamouti空时分组码
bf.m - 特征波束形成
sm.m - 空间复用2x2（ML解码和次优逼迫）
简单的OFDM仿真
模拟保护带，用于信道估计的循环前缀前导码符号(Simple MIMO simulations
Assumes QPSK, ML decoding (except SM ZF detector).
mrc.m - maximal ratio combining
stc.m - Alamouti space-time block code with 1 and 2 receive antennas
bf.m - Eigen-beamforming
sm.m - Spatial multiplexing 2x2 (both ML decoding and suboptimal zero forcing)
Simple OFDM simulation
Simulates guard band, cylic prefix Preamble symbol used for channel estimation)
Platform: |
Size: 10240 |
Author: mls9583 |
Hits: