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This project aim was to build wireless software modem for data communication
between two computers using an acoustic interface in the voice frequency range (20Hz–
20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz –
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基于OFDM信道冲击响应和信道估计的matlaB仿真代码。值得借鉴！-Based on OFDM channel impulse response and channel estimation matlaB simulation code. Worth learning!
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此程序是关于OFDM（正交频分复用）同步中信道响应的程序-This procedure is on the OFDM (Orthogonal Frequency Division Multiplexing) channel synchronization in response to the procedure
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信道描述，计算冲激响应函数，为频选衰落信道，用于MIMO或ＭＩＭＯ－ＯＦＤＭ系统-Channel descr iption, calculation of impulse response function, for Frequency-Selective Fading Channels for MIMO or MIMO-OFDM system
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Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
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Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(O
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OFDM-MIMO信道仿真，可以估计包括冲激响应等参数，瑞利信道-OFDM-MIMO channel simulation, including parameters such as impulse response, Rayleigh channel
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mimo-ofdm 自适应的比特:分配按照信道响应降序排列,子载波间争夺比特和功率步长为2-mimo-ofdm adaptive bit: assigned in descending order according to the channel response, the rivalry between subcarriers bit and power step 2
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MIMO的信道估计及误差，信道频域响应，两种估计方法，误差-MIMO channel estimation and error, channel frequency response of two estimation methods, the error
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这是OFDM系统中基于导频的信道估计及其MATLAB仿真，详细描述了OFDM的信道估计和matlab仿真。有益于研究OFDM系统的资料-This is the pilots to estimate the channel response and its MATLAB simulation based on OFDM system, a detailed descr iption of the channel estimation and MATLAB OFDM simulation. Bene
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mimo-ofdm系统仿真，输出仿真图，信道脉冲响应实部虚部随信噪比变化时的改变图-mimo-ofdm system simulation, simulation output figure, the channel impulse response changes in real and imaginary parts of the map changes with SNR
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研究快时变OFDM信道估计的WSSUS模型的时变脉冲响应MATLAB仿真图，也是实现《Wireless Communications OverRapidly Time-Varying Channels (2011)>>中的脉冲响应仿真图源程序-Research of fast time-varying OFDM channel estimation WSSUS model the time-varying impulse response of the MATLAB simulati
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一种噪声辅助数据分析方法,单径或多径瑞利衰落信道仿真，采用波束成形技术的BER计算，一个很有用的程序，最大似然（ML）准则和最大后验概率（MAP）准则，脉冲响应的相关分析算法并检验，搭建OFDM通信系统的框架，连续相位调制信号(CPM)产生。- A noise auxiliary data analysis method, Single path or multipath Rayleigh fading channel simulation, By applying the beam formi
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OFDM系统通过在时域符号前插入大于信道冲击响应长度的循环前缀（CP）可以避免符号间干扰(ISI)和载波间干扰(ICI)。但是，过长CP会使得数据传输效率降低。可以采用最小均方误差（MMSE）信道缩短均衡技术来压缩信道冲击响应长度。-OFDM systems avoid inter-symbol interference (ISI) and inter-carrier interference (ICI) by inserting a cyclic prefix (CP) larger than
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文章介绍了自适应均衡技术在MIMO OFDM系统中的应用研究。-In this paper, an adaptive channel
estimation for MIMO OFDM is proposed. A set of pilot
tones first are placed in each OFDM block, then the
channel frequency response of these pilot tones are
adaptively estimat
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