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The channel is modeled by adding the Gaussian noise and Rayleigh Fading. Different combining methods and relaying protocols are studied and compared in this project. We analyzed performance characterizations in terms of The Bit Error Rate and the Thr
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Performance Analysis of Combined Transmit Selection Diversity and Receive
Generalized Selection Combining in Rayleigh Fading Channels
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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
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该程序是使用Matlab仿真协同通信的DF（解码转发）基本性能，基本模型S-R-D三个节点，接收端使用MRC（最大比合并）。固定DF由于SR信道的错误，其性能受到限制，在大SNR情况下不能获得有效分集。而当SR距离足够近的时候，可能获得一定的分集增益。-The program is a cooperative communication using Matlab simulation DF (decode forwarding) basic performance, the basic mode
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该程序是使用Matlab仿真协同通信的DF（解码转发）基本性能，基本模型S-R-D三个节点，接收端使用MRC（最大比合并）。固定DF由于SR信道的错误，其性能受到限制，在大SNR情况下不能获得有效分集。而当SR距离足够近的时候，可能获得一定的分集增益-The program is a cooperative communication using Matlab simulation DF (decode forwarding) basic performance, the basic mode
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该程序计算了接收分集中等增益合并的误码率，并有理论值和仿真值的比较-The program calculates the bit error rate of receive diversity and equal gain combining, and the theoretical values and simulation values
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分集技术，采用最大比合并的误码率性能曲线-Diversity techniques, the BER performance curve of maximum ratio combining
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Programs related to differrent types of diversity with combining schemes,error probability,soft hand over region and beam forming. codings are based on Matlab.They in word document and Mfile.
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matlab 仿真最大比合并分集与选择式合并分集接收性能比较-matlab simulation maximal ratio combining diversity with selective combining diversity receiver performance comparison
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并行遗传算法将并行计算机的高速并行性和遗传算法固有的并行性相结合，极大地提升了遗传算法的求解速度和质量。在主从式0细粒度和粗粒度这三类遗传算法并行化模型中，粗粒度模型以其较小的通讯开销和对种群多样化，获得了最广泛的应用。本文概括了基于模式定理和有限状态马尔可夫链的遗传算法理论，总结了前人在粗粒度模型下开展的理论分析和实践应用，并指出并行遗传算法的研究将向异步化，理论化和模型化的方向发展-而有限状态马尔可夫链是构建并行遗传算法可执行模型的有力工具。-Parallel genetic algorit
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程序是使用Matlab仿真协同通信的DF（解码转发）基本性能，基本模型S-R-D三个节点，接收端使用MRC（最大比合并）。固定DF由于SR信道的错误，其性能受到限制，在大SNR情况下不能获得有效分集。而当SR距离足够近的时候，可能获得一定的分集增益。-Matlab simulation program using cooperative communication DF (decode forwarding) basic performance, basic model SRD three no
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天线分集中最大比例合并分集系统的仿真与实现，仿真后可得图像-Maximum ratio combining diversity system implementation
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基于matlab的OFDM仿真程序，源代码，分析等-This paper presents a simple two-branch transmit
diversity scheme. Using two transmit antennas and one
receive antenna the scheme provides the same diversity order
as maximal-ratio receiver combining (MRRC) with one tr
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基于Matlab的MIMO通信系统仿真。MIMO：发送端和接收端同时使用多天线来抑制信道衰落，从而大幅度地提高信道容量、抗衰落性能和频谱利用率。基本要求。2*2 STBC的实现关于分集增益的分析
弹性要求与一发多收系统的比较（最大比合并）：分集增益、信噪比损失多个天线（>2）STBC实现（例如4*4）-Matlab simulation of the MIMO communication system. MIMO: sending and receiving ends simultan
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Diversity Techniques over Fading Channels
Maximal Ratio Combining
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Diversity Techniques over Fading Channels
Equal Gain Combining
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Diversity Techniques over Fading Channels
Selection Combining
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Diversity Techniques over Fading Channels
Post-Detection Combining
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An ad-hoc network with a sender, a destination and a third station act-
ing as a relay is analysed. The channels are modelled containing thermal
noise, Rayleigh fading and path loss. Di® erent combining methods and di-
versity protocols are
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Abstract—Selection combining cascaded with maximum-ratio
combining (SC/MRC), which is particularly useful when site
diversity is available, combined with low-density parity-check
(LDPC) codes is able to combat the effects of fading. The biterro
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