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Chapter_13
- 时变通信系统的仿真,使两个例子的代码其所选信道为全同获平信道
Investigation-on-Simulation2Number-in-AWGN-Channel
- 摘要: 研究了蒙特卡罗仿真原理和仿真结果置信度 结合AWGN(加性白高斯噪声) 信道特点,甄选出3 个合适的 参量,即误码个数、置信概率和仿真结果最大相对误差 提出了AWGN 信道下仿真数据量选取的一般性结论,即误 码个数正比于置信区间上分位点的平方、反比于最大相对误差的平方. 仿真结果验证了所提结论在AWGN 信道各 种信噪比下均有效 同时对于无线通信或移动通信的时变多径衰落信道,如采用OFDM(正交频分复用) 、分集、均 衡、交织等技术,能将信道改造为AWGN 信道,该结论依
communication
- 本文件包含通信所有过程,从调制,扩频,发送到接收,经过解扩,解调等。其中信道可以随机产生时变的多径信道。
OFDM
- 给出了OFDM在卫星通信中的系统框图并 在Simulink中仿真实现,利用改进的CMA恒模算法进行盲均衡处理,来去除时变卫星信道对信号的影响,基于4阶累积量的方法 将OFDM信号与其他调制类型信号区分开来-OFDM is given in the satellite communication system block diagram and Simulation in Simulink using the modified constant modulus algorithm CMA
frequencyspread
- 时变系统的频谱扩展,(信道是平坦的)仿真结果为:滤波后高斯过程的功率谱密度和由滤波器产生的相关高斯序列的时域值-Time-varying system, spread spectrum, (the channel is flat) simulation results as follows: the filtered Gaussian process power spectral density and produced by the filter related to the value of
xiugai4
- 2*2 mimo-ofdm系统的误码率测量。经过时不变信道-ber of 2*2 mimo-ofdm
shibianxindao
- 时变深衰落信道中的自适应均衡技术-Deep fading channel time-varying adaptive equalization......
mutipath
- 通信系统的仿真代码,多径信道的仿真,多径时变的信道仿真。-Communication system simulation code, simulation of multipath channel, time-varying multipath channel simulation.
Freq-and-timing-recovery
- 文章介绍了平坦衰落下的频偏和同步联合恢复技术,能够有效应对时变的信道,并且不需要训练序列,给出了详细的仿真和分析,供大家学习-Two open-loop algorithms are developed for esti- mating jointly frequency offset and symbol timing of a linearly modulated waveform transmitted through a frequency-fl at fading
OFDM-FPGA
- 频率同步是宽带OFDM系统中的关键技术,IEEE 802.11a 采用OFDM技术,利用其前导序列的重复结构,提出了一种分步的粗细频偏捕获与校正算法,同时为了补偿时域同步后的残余相差和适应信道的时变特性,还提出了一种基于频域导频的相位跟踪方案-Frequency synchronization is a key technology in the broadband OFDM systems, IEEE 802.11a uses OFDM technology, the use of the r
CMMB-channel-estimation
- CMMB信道估计:对时变的具有码间串扰ISI的信道进行信道估计,改善了系统的性能-CMMB Channel Estimation:Improve the performance of the channel estimation with time-varying intersymbol interference ISI channel
AAdaptiveequad
- 自适应均衡器的LMS算法实现及其仿真 :自适应均衡器已广泛应用于通信、雷达、声纳、控制和生物医学工程等许多领域,为克服多径衰落和信道失真引起的的码间干扰,实时跟踪移动通信信道的时变特性,笔者设计了一个基于LMS 算法的自适应线性均衡器,并通过改变步长因子Δ来分析其收敛速度和均方误差特性. -Adaptive equalizer LMS algorithm and its simulation: adaptive equalizer has been widely used in commun
multipath-and-time-varient-system
- 多径时变(多普勒效应)信道的文献讲解和相关仿真程序。-Multipath literature to explain the change (Doppler effect) channel and related simulation program.
xindao-
- 衰落是由于发射机与接收机之间空间位置的微小变化引起的,描述小范围内接收信号场强中瞬时值的快速变化特性,是由多径传播和多普勒频移两者共同作用的结果,包括由多径效应引起的衰落和信道时变性引起的衰落,具有信号的多径时延扩展特性和信道的时变特性-Fading is caused due to a slight change of the position of the space between the transmitter and the receiver, the characteristics
Bello_63
- IEEE经典论文,Bello于1963年发表的随机时变无线信道。-IEEE classic paper, Bello in 1963 published randomized time-varying wireless channel.
CDMA-discoloration-
- CDMA时变色散信道的两级盲辨识算法-CDMA discoloration scattered when the two blind channel identification algorithm
ruilixindaoguji
- matlab环境下对时变,多径信道进行估计,服从瑞利分布-Prediction program of wireless channel in Matlab environment
spreadingfunctionfudu
- 研究快时变OFDM信道估计的WSSUS模型的传播函数MATLAB仿真,适合零基础的同学理解与学习。-Study the spread of fast time-varying WSSUS model of OFDM channel estimation function of MATLAB, the suitable for zero basis of students understanding and learning.
shibianmaichongxiangying
- 研究快时变OFDM信道估计的WSSUS模型的时变脉冲响应MATLAB仿真图,也是实现《Wireless Communications OverRapidly Time-Varying Channels (2011)>>中的脉冲响应仿真图源程序-Research of fast time-varying OFDM channel estimation WSSUS model the time-varying impulse response of the MATLAB simulati
mqxd
- 本文件包含通信所有过程,从调制,扩频,发送到接收,经过解扩,解调等,其中信道可以随机产生时变的多径信道,()