搜索资源列表
BFSK_AWGN
- 用Matlab/simulink所实现的bpsk性能仿真系统,信道为AWGN信道。运行后,可以看到经过bpsk以后信噪比的增益。-using Matlab / Simulink BPSK achieved by the performance simulation system for the channel AWGN. After the operation, we can see the future through BPSK SNR gain.
pathloss&gnoise
- cp0801_pathloss为UWB信道损耗计算函数,利用a=(c/(d^gamma))计算出信道增益,然后对函数的输入信号幅度进行变换得到输出结果。 cp0801_Gnoise1和cp0801_Gnoise2为产生AWGN的函数,分别为Eb/No和Ex/No条件下AWGN的产生-cp0801_pathloss for UWB channel depletion calculation function, use a = (c / (d ^ gamma)) calculated Chann
matlab_ydtx
- 一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN信道。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modulation, AWGN
YYY_DSSS
- 设计一个四用户的扩频通信系统,扩频增益为N=16,采用Walsh码进行直接序列扩频,BPSK调制,无线信道为AWGN信道。在接收端进行解扩,解调,判决,通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。-Designed a four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct Sequence Spread Spectrum, BPSK modul
Rayleigh_Equilizer
- 建立Jakes模型,生成Rayleigh信道。以此为基础,研究不调制,及DSPK等方式的调制下,均衡技术(尤其是迭代均衡)的给误码性能带来的增益。-To build the Jakes model,we can get the Rayleigh channel,on the basis of which we study on the benefit of equilization(Iterative equilization specially) in DSPK modulation.
ruilixindao
- 产生不同增益因子下的锐利信道十条误码率曲线,信噪比范围0~30DB-Under different gain factor of sharp curve, the article channel ber SNR range 0 ~ 30DB
BPSK
- 对比瑞利信道分集增益后与高斯信道的性能,误码率曲线-Rayleigh Road, diversity gain compared with the Gaussian channel, after the performance, bit error rate curve
RESEARCH_ON_TURBO_EQULIZATION
- 传统均衡器无法有效地同时对抗这两种信道衰落,而Turbo均衡技术作为一种联合信道均衡和信道译码的方法,能有效地对抗符号间干扰(ISI),提供迭代增益,提高接收机的整体性能。因此,本文根据下一代无线通信系统的设计要求,分别对单载波和OFDM系统的Turbo均衡算法进行了研究。 -Conventional equalizer can not effectively fight both at the same time fading, while the Turbo equalization a
SV_C_channel
- SV_C信道建模的matlab实现,多径信道的信道增益系数服从对数正态分布!-SV_C channel modeling of the matlab implementation, multi-path channel the channel gain coefficient lognormal distribution!
Matlab-simulation-DF-and-AF-source
- 该程序是使用Matlab仿真协同通信的DF(解码转发)基本性能,基本模型S-R-D三个节点,接收端使用MRC(最大比合并)。固定DF由于SR信道的错误,其性能受到限制,在大SNR情况下不能获得有效分集。而当SR距离足够近的时候,可能获得一定的分集增益。-The program is a cooperative communication using Matlab simulation DF (decode forwarding) basic performance, the basic mode
DFAF
- 该程序是使用Matlab仿真协同通信的DF(解码转发)基本性能,基本模型S-R-D三个节点,接收端使用MRC(最大比合并)。固定DF由于SR信道的错误,其性能受到限制,在大SNR情况下不能获得有效分集。而当SR距离足够近的时候,可能获得一定的分集增益-The program is a cooperative communication using Matlab simulation DF (decode forwarding) basic performance, the basic mode
rakereceive_kron
- 本程序仿真了AWGN信道下,采用DS扩频对bpsk信号的影响,扩频码采用walsh码,扩频因子16; 接收端进行rake接收,然后分集合并,比较了三种分集方式对误码率的影响 从图像可以看出在扩频因子较高的情况下,最大比值合并与等增益合并性能相近-This program simulates the AWGN channel, using DS spread spectrum signal for bpsk influence spreading code using walsh code
V-BLAST
- 分层空时编码技术是提高无线信道传输速率和容量的一种非常有效的方法。在无需提高信号发射功率和额外增加带宽的情况下就可以大幅度的提高系统容量。但是,分层空时编码无法获得最大分集增益,所以接收端在恢复信号时选用的译码算法对系统性能至关重要。-Layered space-time coding technology is to improve the wireless channel transmission rate and capacity of a very effective method. W
lilunzhi
- 基于3GPP 25.996 的简化SCM信道模型,可用来生成基于SCM信道的仿真实时的信道增益的产生,到达角 给出了拉普拉斯分布 均匀分布与标准的20个子径的分布三种不同的形式。-Based on 3 GPP 25.996 simplified SCM channel model, based on SCM channel can be used to generate a simulation of real-time channel gain, arrival Angle gives the
receive-diversity
- 仿真2×1瑞利信道,分别考虑三种接收分集技术:最大比合并、等增益合并、选择性合并,并给出误码率比较。-In a one transmitting antenna and two receiving antenna collocate,calculate the bits error rates of the maximum ratio combining,equal gain combining ,selective combining and SISO system
passage-3
- 本程序是mazen.O的经典论文:Performance Analysis of two-hop ralayed transmissions over rayleigh fading channels 的文章中所附的仿真图的程序,跑出的结果和文章中的附图是一样的!可以跑出里面的三张图,包括瑞利衰落下中继信道的中断概率的蒙特卡洛及公式的仿真,及选择不同的增益的性能差别曲线! -This program is mazen.O classic paper: Performance Analysis
Jakes--Rayleigh
- 建立Jakes模型,生成Rayleigh信道。以此为基础,研究不调制,及DSPK等方式的调制下,均衡技术(尤其是迭代均衡)的给误码性能带来的增益。-Establish Jakes model, generate Rayleigh channel. On this basis, Research Modulation modulation, and DSPK etc., balanced technology (especially iterative equalization) to bring
Untitled2
- 均衡增益组合器在瑞利信道上的误差概率的一种简单计算方法-A Simple Approach to Probability of Error for Equal Gain Combiners over Rayleigh Channels
Desktop3
- 主要研究了直接序列扩频系统,建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析。(The direct sequence spread spectrum system is studied, and the MATLAB simulation model of direct sequence spread spectrum system is established. Under the condition o