Description: 1、Rayleigh_Doppler_singlePath.m
产生单径Rayleigh衰落,采用了6种方法并进行了比较,推荐使用第6种方法;
2、Rayleigh_Doppler_multiPath.m
根据多条径的延时和强度,产生频率选择性衰落;
在单径和多径两个程序中,均提供了其功率谱的输出代码; -1, Rayleigh_Doppler_singlePath.m Single Path Rayleigh fading generated using the six kinds of methods and compared recommend using the first six kinds of methods 2, Rayleigh_Doppler_multiPath.m Drive under a number of delay and intensity, resulting in frequency selective fading in single-track and multi-path two procedures, which provide the power spectrum of the output code Platform: |
Size: 9216 |
Author:george |
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Description: 建立mimo频率选择性衰落系统并进行信道估计-The establishment of frequency selective fading MIMO system and channel estimation Platform: |
Size: 1024 |
Author:cheng |
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Description: 不同版本的频率选择性信道matlab仿真,同时附有word版原理说明-Different versions of frequency-selective channel matlab simulation, at the same time with a word version of the principle that Platform: |
Size: 112640 |
Author:yuan |
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Description: using Jakes model to simulate rayleigh channel fading-using Jakes model to simulate rayleigh channel fading Platform: |
Size: 6144 |
Author:猴小黑 |
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Description: 这是一个频率选择性瑞利衰落信道的模型,程序建模为两径。-This is a frequency-selective Rayleigh fading channel model, the program is modeled as two tracks. Platform: |
Size: 1024 |
Author:like |
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Description: 要求对有3条固定路径的AWGN多径信道中的QPSK系统进行BER性能仿真,并与在理想的AWGN信道中同样系统的BER性能进行比较。熟悉瑞利平坦衰落、莱斯平坦衰落与频率选择性衰落的特点,比较这些衰落信道的误码率。-Required to have three fixed-path AWGN multipath channels of QPSK system BER performance simulation, and in an ideal AWGN channel with the same system BER performance comparison. Familiar with the Rayleigh flat fading, Rice flat fading and frequency selective fading characteristics, compare the bit error rate fading channel. Platform: |
Size: 1024 |
Author:沈岗 |
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Description: 多种Rayleigh衰落信道的程序,单径和多径频率选择性-A variety of procedures for Rayleigh fading channel, single path and multipath frequency selective Platform: |
Size: 9216 |
Author:cyp |
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Description: Ergodic Capacity, Capacity Distribution and
Outage Capacity of MIMO Time-Varying and
Frequency-Selective Rayleigh Fading Channels Platform: |
Size: 313344 |
Author:sun2012flower |
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Description: 正交频分复用(OFDM)是第四代移动通信的核心技术,它是实现宽带无线通信和多媒 体业务发展的基础。对OFDM 技术的基本原理,关键技术以及实现进行了研究,并且通过 matlab 中的通信仿真系统simulink 对OFDM 系统进行了模拟和分析,直观和形象地得到了 OFDM 系统在时域和频域的传输性能,得出的结果表明OFDM 系统可以明显地表现出抗多 径效应引起的频率选择性衰落和提高了频谱利用率,这一特性使得它能够在高数据传输速率 的无线信道中发挥优势。-Orthogonal Frequency Division Multiplexing (OFDM) is the fourth generation mobile communication core technology, which is broadband wireless communications and multimedia development. The basic principle of OFDM technology, key technology and implementation have been studied, and by matlab simulink simulation system in the OFDM communication system was simulated and analyzed, intuitive, and get the image of the OFDM system in time domain and frequency-domain transmission performance , the results show that OFDM system can be apparent in the anti-multipath effect caused by frequency selective fading and improve the spectrum efficiency, this allows it to transmit at high data rate wireless channel advantage. Platform: |
Size: 258048 |
Author:foxlili |
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Description: 在现代无线通信技术中,扩频通信是一种具有较强抗干扰性能的技术,正交频分复用(OFDM)是一种具有较高数据传输速率和频谱利用率,并能有效对抗频率选择性衰落的多载波调制技术,因而将这二者结合起来构建系统势必会进一步提高系统的抗干扰和抗衰落性能,研究其结合技术也逐渐成为无线通信领域的热点。随着3G的兴起,即将推出的LTE也将采用OFDM技术(正交频分多路复用)。
由于OFDM的多载波特性,使得直接序列扩频技术和跳频技术能够与OFDM技术进行有效的结合。在本文中,我们研究了OFDM)以及相关抗干扰抗衰落技术。同时用matlab进行了仿真,仿真结果表明,本文提出的ICI干扰消除技术在ofdm中起到了很好的效果。
-In modern wireless communication technologies, spread spectrum communication is a kind of strong anti-jamming technology, the performance of orthogonal frequency division multiplexing (OFDM) is a kind of high data rate and spectrum efficiency, and can be effective against frequency selective fading of multi-carrier modulation technology, and combine the two build system is bound to further improve the system s anti-interference and decay resistance, and study the combining technology also gradually become a hot spot in the field of wireless communications. With the development of 3 g, the upcoming LTE will also use OFDM (orthogonal frequency division multiplexing) technology.
Because OFDM multi-carrier characteristic, the direct sequence spread spectrum and frequency hopping technology can be combined with OFDM technology effectively. In this article, we studied the OFDM technology) and related anti-interference resistance to decline. Matlab simulation was carried out at the same tim Platform: |
Size: 237568 |
Author:wfyan |
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Description: 扩频通信在现代无线通信技术中是一种具有较强抗干扰性能的技术,正交频分复用(OFDM)一种具有较高数据传输速率和频谱利用率,并能有效对抗频率选择性衰落的多载波调制技术,因而将这二者结合起来构建系统势必会进一步提高系统的抗干扰和抗衰落性能,研究其结合技术也逐渐成为无线通信领域的热点。随着3G的兴起,即将推出的LTE也将采用OFDM技术(正交频分多路复用)。
由于OFDM的多载波特性,使得直接序列扩频技术和跳频技术能够与OFDM技术进行有效的结合。在本文中,我们研究了OFDM)以及相关抗干扰抗衰落技术。同时用matlab进行了仿真,仿真结果表明,本文提出的ICI干扰消除技术在ofdm中起到了很好的效果。
-In modern wireless communication technologies, spread spectrum communication is a kind of strong anti-jamming technology, the performance of orthogonal frequency division multiplexing (OFDM) is a kind of high data rate and spectrum efficiency, and can be effective against frequency selective fading of multi-carrier modulation technology, and combine the two build system is bound to further improve the system s anti-interference and decay resistance, and study the combining technology also gradually become a hot spot in the field of wireless communications. With the development of 3 g, the upcoming LTE will also use OFDM (orthogonal frequency division multiplexing) technology. Platform: |
Size: 489472 |
Author:wfyan |
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Description: Orthogonal Frequency Division Multiplexing
with Index Modulation,is proposed for operation over frequency-selective and rapidly
time-varying fading channels Platform: |
Size: 1408000 |
Author:akumar5189
|
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