Description: 信道模型包括宽带传播模型（链路级仿真需要）和窄带传播模型（系统级仿真需要，包括路径损耗模型和阴影衰落模型）。-Channel model including the broadband propagation model (link-level simulation required) and narrow-band propagation model (system-level simulation needs, including the path loss model and the shadow fading model). Platform: |
Size: 54272 |
Author: |
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Description: 关于无线衰落信道的一本书，内容很多，讲的很充分，英文原版-Wireless fading channel on the one book, the contents of a lot of very good speakers, the original English edition Platform: |
Size: 3588096 |
Author:acen |
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Description: Wiley -
The Mobile Radio Propagation Channel
- Second Edition-Wiley-
The Mobile Radio Propagation Channel
- Second Edition Platform: |
Size: 3598336 |
Author:宁馨儿 |
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Description: 教学实验源代码，提供对滑动窗口协议的实验演示，协议分层和协议软件的设计与实现有基本的认识利用所学数据链路层原理，自己设计一个滑动窗口协议并在仿真环境下编程实现有噪音信道环境下的
可靠的双工通信。信道模型为 8000bps 全双工卫星信道，信道传播时延 270 毫秒，信道误码率为 10-5，信道提供字节流传输服务，网络层分组长度在240~256字节范围-Teaching experiment source code, on the Sliding Window Protocol provides experimental demonstration of the agreement stratification and protocol software design and implementation of a basic understanding of the use of the data link layer principle, its own design of a sliding window protocol and simulation programming environment the realization of the noise channel environment duplex reliable communication. Channel model for 8000bps full-duplex satellite channel, channel propagation delay of 270 ms, channel bit error rate of 10-5, byte-stream channel to provide transmission services, network layer packet length in the range of 240 ~ 256 bytes Platform: |
Size: 414720 |
Author:Tony Yau |
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Description: the mobile radio propagation channel ——关于信道的英文书籍，很经典。-the mobile radio propagation channel- on the channel in English books, very classic. Platform: |
Size: 3588096 |
Author:李冰 |
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Description: 本书较为详细的介绍了移动通信的基本知识，内容包括移动通信中的调制解调，信道传播特性，抗衰落技术，噪声干扰，组网技术，cdma,tdma,fdma等多址技术。-The book describes in some detail the basic knowledge of mobile communications, including mobile communications in the modulation and demodulation, channel propagation characteristics, anti-fading technology, noise interference, network technology, cdma, tdma, fdma such as multiple access technology. Platform: |
Size: 15280128 |
Author:朱丽平 |
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Description: 把地理区域分成一个个小区，蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道，每个小区分配一组信道。使用频分双工（FDD）。在小区间进行频率利用，N个小区构成一个簇，簇间进行频率复用。定义了传播特性（信道参数）以及同频小区的位置。信道的参数包括：小区半径，路径损耗指数，以分贝为单位的对数正态阴影的标准差，基站发射功率级，移动台发射功率级，每个小区的扇区数，扇区化天线的正反向比，要仿真的瞬时位置的组数，同频干扰阈值。-To a geographical area is divided into small areas, cellular systems in the region to provide wireless coverage. The available spectrum is divided into multi-channel, each plot the distribution of a group of channels. The use of frequency division duplex (FDD). In the district between the frequency of use, N plots constitute a cluster, cluster between frequency reuse. The definition of the propagation characteristics (channel parameters), as well as with the frequency of residential location. Channel parameters include: cell radius, path loss index to decibels for units Lognormal shadow of the standard deviation, the base station transmitter power level, mobile station transmitting power level, the number of sectors in each district, sector of the antenna the pros and cons to the ratio, to the transient simulation of the group a few positions, the same frequency interference threshold. Platform: |
Size: 2048 |
Author:mame |
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Description: 瑞利衰落信道（Rayleigh fading channel）是一种无线电信号传播环境的统计模型。这种模型假设信号通过无线信道之后，其信号幅度是随机的，即“衰落”，并且其包络服从瑞利分布。-Rayleigh fading channel (Rayleigh fading channel) is a radio signal propagation environment, the statistical model. The model assumed that after the signal through the wireless channel, the signal amplitude is random, that is, " fading" and subject to its Rayleigh distribution envelope. Platform: |
Size: 43008 |
Author:宋立泉 |
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Description: Source code of matlab for the ebook-Modeling the Wireless Propagation Channel:A Simulation Approach with MATLAB1 Platform: |
Size: 20686848 |
Author:chang |
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Description: This project simulates the operation of wireless digital communications using Q-PSK and 8PSK modulator.
The project consists of four steps: transmitter design, channel propagation effect, receiver design and finally measuring system performance. Platform: |
Size: 3053568 |
Author:mhmd |
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Description: Comparative Study of Radio Channel Propagation
Characteristics for 3G/4G Communication Systems Platform: |
Size: 799744 |
Author:sim |
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Description: 数据链路层的选择性重传协议的编写。在仿真环境下编程实现有噪音信道环境下
两站点之间无差错双工通信。信道模型为8000bps 全双工卫星信道，信道传播时延270毫秒，信道误码率
为10-5，信道提供字节流传输服务，网络层分组长度固定为256字节-The data link layer selective retransmission protocol preparation. In the simulation environment, programming environment, the noise channels between the two sites error-free duplex communication. Channel model for 8000bps full duplex satellite channel, the channel propagation delay 270 milliseconds, the channel bit error rate of 10-5, the channel to provide byte-stream transport service, the network-layer packet length is fixed to 256 bytes Platform: |
Size: 207872 |
Author:chenchen |
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Description: 移动传播环境:理论基础分析方法和建模技术
杨大成编著 内容包括：理论分析移动传播环境所常用的概率论、随机过程及矩阵等基础知识；地球表面均匀大气中的电波传播、室外传播模型，室内无线传播及覆盖，小尺度衰落信道，标量信道建模及其仿真，矢量信道建模及其仿真等。
-Mobile communication environment: theory analysis and modeling Yang Dacheng edited include: theoretical analysis are commonly used in mobile communication environment, probability theory, stochastic processes, and basic knowledge of matrix Earth' s surface wave propagation even in the atmosphere, outdoor propagation model, indoor wireless transmission and coverage, small-scale fading channel, the scalar channel modeling and simulation, vector channel modeling and simulation. Platform: |
Size: 3700736 |
Author:鼻涕虫 |
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Description: MATLAB的瑞利衰落信道仿真，针对服从瑞利分布的多径信道进行模拟仿真，加深对多径信道特性了解。-Channel Emulation of Rayleigh fading by using MatLab,which is aimed at the Multipath Propagation channel that obey Rayleigh distribution, so it could be furthered comprehension of characteristic on the Multipath Propagation channel. Platform: |
Size: 226304 |
Author:林俊 |
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Description: 在3.49-3.51GHZ频段内的典型中国城市环境下，地面信号衰落仍服从经典的指数对数分布。在中度误差（σx =10.291）下，路损指数在3.1-3.7之间。半径2公里的小区内，RMS时延在3-4微秒之间；典型的办公室环境中，存在直达径时RMS时延小于0.1微秒。在城市环境中，多径现象很明显，主要由高层建筑物引起，并以簇的方式存在。在城市中低速移动条件下（接收机移动速度小于100 Km/h）某一强径的生存时间通常超过10分钟，但相对到达时间会发生滑动。单一小区内的传播环境具有一定相关性，如果存在直达径，相关性会上升到0.4-0.5。此外，室外室内的测量结果都可以证明Jake模型关于入射角分布假设的合理性。当天线间距在1个载波波长增大到10个载波波长时，天线相关性在0.05-0.4之间。
SIMO信道探测系统能够揭示B3G信道的很多特征，但不能够全面、充分的分析和评估B3G信道。在后续工作中，我们将进一步改进这个测试系统，对B3G系统作更深入的研究。
参考-Aided by a 1-Tx and 2-Rx system working in 3.5GHz frequency and 20MHz bandwidth, JSI-MTLab studied the classic B3G urban wireless propagation environment of China and the classic indoor channel propagation environment through a recent indoor and outdoor wireless propagation measurement. A new path loss exponent is proposed in such band while the general outdoor model of path loss is verified. Also, the statistic results of RMS excess delay, max excess delay and mean excess delay in both indoor and outdoor scenarios are given. The lag-time domain and time-frequency domain channel responses are analyzed. At the end, the results of correlation of different propagation environment in the singular cell and antenna correlation are given as well as the phenomenon being analyzed and explained. Platform: |
Size: 159744 |
Author:xuchen |
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Description: In wireless communications, fading is deviation of the attenuation that a carrier-modulated telecommunication signal experiences over certain propagation media. The fading may vary with time, geographical position and/or radio frequency, and is often modelled as a random process. A fading channel is a communication channel that experiences fading. In wireless systems, fading may either be due to multipath propagation, referred to as multipath induced fading, or due to shadowing from obstacles affecting the wave propagation, sometimes referred to as shadow fading.
Platform: |
Size: 14336 |
Author:kanniyappan/AIHT |
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