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dco

于 2021-03-24 发布文件大小:74KB

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下载积分: 1 下载次数: 32

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代码说明：

使用MATLAB建模实现DCO-OFDM(Implementing DCO-OFDM using MATLAB modeling)

文件列表：

Ibias_BER.fig, 14093 , 2017-11-06
dco.m, 1415 , 2018-08-29
dco_papr.fig, 14096 , 2017-11-08
domain_1.fig, 10685 , 2017-10-29
domain_2.fig, 17205 , 2017-11-11
domain_3.fig, 19093 , 2017-11-11

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WaterFilling_alg
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2021-03-28 09:19:11下载

积分：1
16QAM_Bit_Error_Rate_(BER)_with_Gray_mapping
QAM调制的误码率仿真代码，通俗易懂，简单实用。(The error rate simulation code of QAM modulation is easy to understand, simple and practical.)

2018-12-17 21:40:16下载

积分：1
on-the-modulation-technology-in-OFDM
在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声的影响，从而提高了低信噪比下信道估计的精度。仿真结果表明，改进算法在低信噪比下具有良好的性能。 (OFDM mathematical principles and transceiver model based on frame synchronization, timing synchronization, frequency synchronization and sampling synchronization to the OFDM system, the impact of the theoretical analysis are also discussed based on the cyclic prefix or training symbols typical OFDM synchronization algorithm . Reference 802.11a burst data frame structure and system parameters, analyze several OFDM synchronization algorithm for burst packet transmission performance several classic channel estimation algorithm based on a compromise between complexity and performance, select a suitable estimation algorithm in this article. Finally, the author proposed a modified LS channel estimation algorithm that takes into account the effects of noise in the LS algorithm, thus improving the low SNR channel estimation accuracy. Simulation results show that the improved algorithm has good performance in low signal-to-noise ratio.)

2013-05-10 15:18:30下载

积分：1
lte中mac层的调度方案其中包括 pf调度和rr调度
lte中mac层的调度方案其中包括 pf调度和rr调度(the scheduling meanings in mac of lte which include pf and ff)

2013-05-09 11:07:42下载

积分：1
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一个波束形成的例子，比较了在瑞利信道中使用波束成形和不使用波束成形的误码率。(An example of beamforming is made to compare beamforming and without beamforming bit error rate in Rayleigh channel.)

2018-04-17 13:25:10下载

积分：1
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一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。(OFDM： coding modulation IFFT AWGN Mode FFT ……)

2012-06-26 21:25:37下载

积分：1
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2020-12-25 00:29:04下载

积分：1
CrcEncode
信道检错编码，CRC编码，包括详细的注释，很不错的程序(Channel error detection codes, CRC codes, including detailed notes, a very good program)

2009-10-16 18:54:54下载

积分：1
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encoding binary data using non return to zero

2017-02-27 14:09:19下载

积分：1
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删除卷积码的译码算法，分析其删除原理，给出常用删除模式(Punctured Convolutional code decoding algorithms, to analyze the deletion of principle, given the deletion of common mode)

2009-06-09 23:34:30下载

积分：1

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