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2下载：
该函数仿真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-the CDMA system simulation function of the channel, required users to import
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ds-cdma系统仿真，考虑在多径衰落信道情况下，系统的误码率-ds-cdma system simulation, consider the multi-path fading channel circumstances, the BER
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这篇实验报告阐述了无线通信系统仿真的原理。主要完成两个任务，任务一是BPSK调制在AWGN信道和在rayleigh信道下的性能比较，任务二 CDMA扩频多用户系统。这篇报告介绍了相关原理，并且在附录上有matalb源代码及注释。-This report describes the experimental wireless communications system simulation theory. Completed two major tasks, First, the task BPS
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单用户多载波时频域联合cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。,Single-user multi-carrier cdma joint time-frequency domain spread spectrum simulation, the use of programming. Send contain, channel, receiving three categ
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The Interleaved Frequency Division Multiple Ac-
cess (IFDMA) scheme is based on compression, repetition and
subsequent user dependent frequency shift of a modulated signal.
Multiple access is enabled by the assignment of overlapping but
mutua
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Blind Source Seperation (BSS) now is a important technology. Independent Component Analysis (ICA) is the main technique of BSS. Suppose we mix many non-Gausse signal sources,ICA can seperate the mixed signal to orignal signals without any information
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多用户多载波时频域cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有选择用户数，联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。-Multi-user multi-carrier spread spectrum cdma time-frequency domain of the simulation, the use of programming. Send contain, channel, receiving three c
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直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码，与多用户信息数据相乘得到信息数据的直接扩频信号，再经过BPSK调制后发送出去，经过AWGN无线信道的传输后，在接收端与本地产生的地址码进行相关检测，从中将地址码与本地码一致的用户数据选出，把不一致的用户数据删除。-DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user in
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Multi-Carrier CDMA in a Rayleigh Fading Channel
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this project realted tothe multi user detection of ds cdma signals.comparision is done for different spreading sequences
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This Matlab program simulate one user Convolutional coding MC-CDMA on Multi path fading channel -This Matlab program simulate one user Convolutional coding MC-CDMA on Multi path fading channel
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A matlab code that simulate wavelet based OFDM CDMA over multi path fading channel with covvolutional encoder. -A matlab code that simulate wavelet based OFDM CDMA over multi path fading channel with covvolutional encoder.
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MC-CDMA系统性能仿真，高斯信道，两路多径干扰，其中还有码同步问题。配有详尽的解释-MC-CDMA system performance simulation, Gaussian channel, two-way multi-path interference, which are code synchronization. With a detailed explanation
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RAKE技术与CDMA系统相结合，能够带来系统容量和通信质量的极大提
高。根据军事通信中对设备便携性及低功耗的特殊要求，本文研究了一种便携式
基站的收发系统，重点研究了其中的RAKE接收部分。给出了系统的发送方案和
接收方案，对接收机部分所涉及的关键技术和算法，包括数字下变频技术、匹配相关技术、多径搜索技术、信道估计技术、解调及多径合并技术进行了较为详细的分析和说明。在此基础上，运用VHDL语言进行了硬件平台上FPGA部分的功能实现，并对整个系统进行了调试，给出了一些相关的仿真及测试
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在AWGN信道下CDMA传输的多用户信噪比比较-CDMA in AWGN channel Comparison of transmission of multi-user signal to noise ratio
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Optimum MUD for DS-CDMA in Multi-Path Fading Channel 2 USERS- Optimum MUD for DS-CDMA in Multi-Path Fading Channel 2USERS
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Optimum MUD for DS-CDMA in Multi-Path Fading Channel K USERS
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Multi user environnent in CDMA communication system in multi path channel
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this code matlab calculte the BER vs SNR of multi user CDMA system using different detectors sush as MMSE and ZF in rayleigh channel model
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In this paper, we investigate blind channel estimation for Multiple Input Multiple Output (MIMO) multi-carrier
CDMA (MC-CDMA) systems in the uplink scenario. An Autocorrelation Contribution Matrix (ACM) method is proposed in
comparison with the sub
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