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[Post-TeleCom sofeware systemsSimulation-Performance-Analysis-of-OFDM-System-in-

Description: 构建了正交频分复用(OFDM)系统的仿真模型,给出了具体信道的参数。在不同信道传输环境下,对不同调制方式和 不同移动速度下的OFDM系统性能进行了分析比较,在仿真结果的基础上给出了OFDM系统抗多普勒频移的参考方案,采 用的信道模型基于ITU - RM. 1225 ChannelB瑞利(Rayleigh)衰落信道。最后,在基于COST 207的信道模型下,对四种典型 环境的OFDM系统进行了仿真研究,并对其结果作了讨论分析。结果表明:在多径衰落信道下,OFDM系统可以有效克服多 径衰落和多普勒频移,能够应用于未来的通信系统。 关键词:正交频分复用 多径衰落信道 多普勒效应 循环前缀-err
Platform: | Size: 522240 | Author: 子羽 | Hits:

[OtherAlamouti

Description: 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.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真 4.每一帧数据为24个QPSK符号 综合仿真函数SimAlamouti(max_snr,max_err_symbol,symbol_per_frame) 具有一根接收天线系统的SER性能与二根接收天线的系统SER性能比较 SimAlamouti(12,20,24)-The main function Alamouti (Nr, max_snr, max_err_symbol, symbol_per_frame) function call QpskMapping (psudo_bit_sequence)- binary data to the QPSK signal transformation function call RayleighCH (Nr, Nt)- Rayleigh fading channel Simulation Example: Alamouti (1,12 , 20,24) Description: 1.2 transmission antennas, a receiving antenna 2. the highest SNR 12dB, that is, simulation range of 0dB to 12dB 3. in each signal to noise ratio conditions, the misuse of symbols that stop a few more than 20 The signal to noise ratio under the conditions of simulation 4. each frame of data for the 24 QPSK symbols integrated simulation function SimAlamouti (max_snr, max_err_symbol, symbol_per_frame) with a receiving antenna system SER performance and two receive antenna system SER performance comparison SimAlamouti (12,20,24)
Platform: | Size: 204800 | Author: 老何 | Hits:

[GPS developpro3

Description: qpsk在raylaigh信道下的误码率曲线,及其瑞利分布函数-QPSK in under raylaigh channel bit error rate curve, and the Rayleigh distribution function
Platform: | Size: 3072 | Author: guoda | Hits:

[matlabRayleigh

Description: rayleigh信道的仿真,matlab的-Rayleigh channel simulation, matlab
Platform: | Size: 10240 | Author: wu hao | Hits:

[Otherrake_path_dsss

Description: rake接收机的链路生成程序,包括短码生成,长码生成,哈达码变换,瑞利信道,以及多径衰落等。-rake receiver of the link generated procedures, including short-code generation, long-code generation, Hadamard transform, Rayleigh channel, as well as multipath fading and so on.
Platform: | Size: 2048 | Author: 王波 | Hits:

[matlabQPSKsimulatorANDber

Description: QPSK调制下在AWGN和Rayleigh衰落信道下的仿真以及误码率计算,包含完整的报告说明-QPSK modulation in AWGN and Rayleigh fading channel simulation, as well as bit error rate calculation, the report contains a complete description
Platform: | Size: 611328 | Author: chongge | Hits:

[matlabestimator

Description: Introduction to channel estimation by using LS and MMSE.
Platform: | Size: 10240 | Author: 楊忠倫 | Hits:

[matlabRayleigh

Description: 仿真瑞利衰落信道,可以满足不同用户的对与瑞利衰落信道的要求-Rayleigh fading channel simulation to meet the different users with Rayleigh fading channel requirements
Platform: | Size: 5120 | Author: 杨朝建 | Hits:

[Program docRayleighFadingChannelsSklar

Description: 全面讲解Rayleigh Fading Channels 我收集的一点瑞利信道的资料,很不错的啊对初学者很有用的-Rayleigh Fading Channels fully explain that I have collected information on the Rayleigh channel, it is good ah very useful for beginners
Platform: | Size: 200704 | Author: | Hits:

[OtherRayleighFading_MIMO

Description: wireless Communication, RAYLEIGH FADING CHANNEL CAPACITY AND ANNALYSE
Platform: | Size: 146432 | Author: 袁鑫 | Hits:

[source in ebookRayleigh_Fading_Simulation

Description: 本程序是对多径无线衰落信道的仿真源程序,主要是针对Rayleigh信道的仿真-This procedure is the wireless multipath fading channel simulation source code is targeted at the Rayleigh channel simulation
Platform: | Size: 9216 | Author: 李林 | Hits:

[CommunicationJakes

Description: 瑞丽信道的仿真程序,在matlab中运行即可以看见结果,功能完善。-Ruili channel simulation program, run in matlab that can see the result of perfect functions.
Platform: | Size: 2048 | Author: 徐为 | Hits:

[matlabRayleigh_simulation

Description: 无线通信中,瑞利信道的仿真,考虑到了多普勒频移,还有信号的调制,编码等-Wireless communication, Rayleigh channel simulation, taking into account the Doppler shift, as well as signal modulation, coding, etc.
Platform: | Size: 9216 | Author: chenxiaohua | Hits:

[matlabofdm-emluator

Description: 信道编码采用卷积码,解码使用Viterbi解码。调制给出QPSK、16QAM 两种调制方式,并在AWGN和瑞利信道两种信道模型下传输。-Channel coding using convolutional codes, decoding using the Viterbi decoder. Given modulation QPSK, 16QAM modulation in two ways, and in the AWGN and Rayleigh channel model of two-channel transmission.
Platform: | Size: 21504 | Author: zollone | Hits:

[matlabCDMAchannelsimulation(AWGN)

Description: 仿真CDMA系统的信道,在输入所需用户序列和其他干扰用户序列后在信号上叠加高斯白噪声,干扰用户多径干扰和所需用户的多径干扰和衰落。并根据输入延时曲线产生信道延时,输出mul_fad_sequence为信道信号输出,max_delay为信道最大延迟,fade_sign为瑞利信道中最大幅度分量的衰落量,mpath_amp为信道多径的幅度因子-Simulation of CDMA systems channel, the import requirements of the user sequence and other interference in the signal sequence users superimposed Gaussian white noise, multipath interference interference users and required the user s multipath interference and fading. And in accordance with input delay curve generated channel delay, the output for mul_fad_sequence signal output channel, max_delay to channel the maximum delay, fade_sign Rayleigh channel for the decline of the most significant amount of weight, mpath_amp for multipath channel magnitude factor
Platform: | Size: 2048 | Author: fisher | Hits:

[matlabRayleigh11.m

Description: 一种改进型的瑞利信道仿真模型小案例(JAKES参考模型)-An improved version of the Rayleigh channel simulation model for small cases (JAKES Reference Model)
Platform: | Size: 1024 | Author: dniugi | Hits:

[Fax programrice

Description: rice信道在matlab下的仿真,当k趋于无群大是,为高斯信道,反之为瑞利信道-rice under the channel in matlab simulation, when k tends to no group that is for the Gaussian channel and vice versa for the Rayleigh channel
Platform: | Size: 12288 | Author: 骆城 | Hits:

[Post-TeleCom sofeware systemsRayleighChannel

Description: Rayleigh信道的实现方法,按照经典Jakes模型。-Rayleigh channel realization method, in accordance with the classical Jakes model.
Platform: | Size: 2048 | Author: 杨阳 | Hits:

[Program docChannelEstimation

Description: 时域的瑞利衰落信道的估计研究,喜欢的可以-Time-domain Rayleigh fading channel estimation studies can be like
Platform: | Size: 154624 | Author: 刘小云 | Hits:

[Communication-Mobileberforbpsk

Description: Simulates the BER for BPSK modulation in Rayleigh channel
Platform: | Size: 1024 | Author: 冯小晶 | Hits:
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