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word文档对球形译码的理论原理和仿真结果进行了分析
1.sphereandML是主程序，性能接近最大似然ML检测，调用了spheredecode和spheredecodeinf两个子程序；
2.main_spheretoML是主程序，性能达到最大似然NL检测，调用了spheredecodetoML和spheredecodeinftoML两个子程序。-word document on the theory of spherical decoding theory and simulati
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《通信信道处理》课程设计，内容为MIMO系统的性能仿真分析，内含MIMO系统的构建、Rayleigh信道、AWGN干扰、QPSK调制解调等，按照IEEE格式全英书写，请大家多多指教-Performance Analysis of Maximum Likelihood Detection in a MIMO Antenna System.pdf
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echniques for multi-user detection in OFDM / MC-CDMA can be classified as linear or non-linear techniques. A number of these techniques have evolved from previous research for CDMA–based systems. The overlaying of OFDM with CDMA permits grouping of t
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Sphere decoding program. This is the sphere decoding algorithm to achieve maximum likelihood detection. It applies to OFDM and SC-FDE systems.
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多入多出(MIMO)系统可以获得比单发单收系统更高的容量，对于MIMO系统，最大似然检测是最优接收，但其
指数复杂度难以在实际中应用。针对该问题，结合格缩减理论提出了基于Householder变换的复数域格缩减算法，将该算法和
MIMO次优检测算法相结合，给出了量化判决方法，且该复数域格缩减算法复杂度小于实数域格缩减算法。仿真结果表明，
基于Householder变换复数域格缩减的MIMO次优检测算法，通过优化信道矩阵可以得到更好的判决域，取得了逼近最优最大
似然检测算法的性能。
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适用于LTE标准下的最大似然估计的ML粗同步检测方法，适用于LTE标准FDD模式，普通帧结构类型-ML crude synchronous detection method applicable to the LTE standard maximum likelihood estimation for LTE standard FDD mode, the general frame structure type
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采用自由距离计算的最大似然序列检测，可用于最大似然信道均衡-from Free distance calculation in maximum-likelihood sequence detection
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mimo空时编码STBC，以最大似然值算法做检测
-STBC mimo space-time coding to do the maximum likelihood detection algorithm
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空间调制的最大似然检测，借鉴他人的，性能比较好，仅供参考(Spatial modulation of the maximum likelihood detection, learning from others, the performance is better, for reference ,thinks.)
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Inter modulation (SM), as a novel multi antenna transmission scheme, creates a mapping relationship between input bits and transmit antenna ordinal numbers, which is used to carry certain transmission information. However, the scheme maps the sending
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包含有数字通信课程实验大作业报告与代码。完成的OFDM的收发包含：1.卷积编码、2.自动增益控制、3.极大似然判决、4.QPSK收发、5.帧检测等，代码在MATLAB2016b环境下编译通过(It contains the report and code of the experiment assignment for the course of digital communication. The completed OFDM transceiver includes: 1. convolut
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