搜索资源列表
cdma_simulation
- cdma信号处理的matlab仿真,包括信号的编码和调制等流程-cdma signal processing matlab simulation, including signal coding and modulation process.
CDMA_path_sim
- 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
ifdma_tfrank
- 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
cdma
- CDMA系统的MATLAB仿真包括信号的产生信号的调制解调-MATLAB simulation of CDMA systems, including signals generated signal modulation and demodulation
OFDM_m
- 完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统,cdma链路,mac层仿真分析.-Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustn
GoldsequenceCDMAsimulation
- 写一个MATLAB程序,实现4个时间同步的CDMA用户的仿真,其中每个用户都使用长度为L=31的不同的Gold序列。每个用户都采用它们代表的Gold序列的二进制(+-1)调制。每个用户的接收端将这个复合的CDMA接收信号相关,而这个复合的信号都在它们各自的序列上受到AWGN的污损(基于按码片相加)。在N=10000信息比特下,仿真估值并画出作为SNR的函数的CDMA通信系统的差错概率。-Write a MATLAB program, the realization of the four t
rake_simulation
- 在matlab平台下实现仿真CDMA码分多址通信信号调制信号产生、瑞丽衰落信道以及RAKE接收机的仿真测试程序,能够测议等-In the matlab platform for simulation CDMA code division multiple access communication signals modulated signal generator, Ruili fading channel and the RAKE receiver simulation test progra
cdmaofdm
- Basics of OFDM and CDMA. The IEEE 802.11a standard. Physical Layer Challenges. Multipath causes signal fading - constructive and destructive addition.
CDMA
- it is a code in MATLAB for calculation of bit error ratio vs signal to noise ratio , for multiuser code division multiple access .. usually in any communication system calculation of BER is very important to know the performance of system .. so in th
hvvCDMA
- 在MATLAB环境下实现了CDMA通信系统仿真,程序流程为:随机序列产生--WALSH码扩频--BPSK调制--加入(和不加入)高斯白噪声--BPSK解调--WALSH码解扩,对过程波形进行了存储,对加噪与不加噪情况下的解码结果进行了对比,并绘制出信噪比与误码率关系图。-In the MATLAB environment to achieve a CDMA communication system simulation, the program flow as follows: random s
C_D_M_A_power_control
- this code on not finished, but almost 80 done, the code based on the study of : --------------------------------------- "Performance Analysis of Downlink Power Control in CDMA Systems"-this code on not finished, but almost 80 done, the code
turbo
- CDMA turbo码 生成随机的输入信号 在Matlab平台上实现WCDMA Turbo编码器的仿真-CDMA turbo code to generate a random input signal in Matlab platform to achieve WCDMA Turbo Encoder Simulation
shiyan
- 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
ovsf
- orthogonal variable spreading factor (OVSF) is an implementation of Code division multiple access (CDMA) where before each signal is transmitted, the spectrum is spread through the use of a user s code. User s codes are carefully chosen to be mutuall
CDMA
- CDMA系统的各个模块M文件实现,从信源产生到输出信号-CDMA system, each module M files to achieve, from the source to the output signal is generated
CDMA-coding-and-decoding
- 这是一个基本的CDMA系统的调制与解调系统。包括随机信号的产生,调制还有相应的解调。-This is a basic CDMA coding and decoding system, it includes random signal generator and coding and decoding modules
BSS_CDMA
- 基于盲源分离的CDMA伪码估计程序,该程序能在不知道信道信息的情况下,对CDMA信号的扩频码进行盲估计。-The pseudo-code of blind source separation of CDMA-based estimation procedures, the program can not know the channel information, the spreading code of the CDMA signal blind estimation.
DS-CDMA
- DS-CDMA signal transmission simulation in MATLAB. Inludes: FEC, RF_sig+Rician channel, Equalizing, BER calculation.
CDMA-ber-simulation
- 高斯白噪声信道CDMA性能仿真,绘制BER与码长、信噪比、用户数的关系曲线。-Gaussian white noise channel CDMA performance simulation, relations of BER and length of chips, signal-noise ratio, and the number of users.
check_the_multipath_of_four_base
- 本程序用于查看包含多径信号和直达波信号的cdma信号的模糊函数,并将其从中剔除出来-This program is used to view a cdma signal multipath signal and direct wave signal ambiguity function, and removed them the received signal