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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
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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,
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无线信道阴影效应和多径效应的MATLAB仿真程序,来自 Modeling the Wireless Propagation Channel-Shadowing and Multipath
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无线通信中微蜂窝和微微蜂窝信道的MATLAB建模-Propagation in Microcells and Picocells
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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 int
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窄带多径信号的matlab仿真,Modeling the wireless Propagation channel code-Narrow-band multi-path signals in matlab simulation, Modeling the wireless Propagation channel code
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LDPC码在基于BP (Belief Propagation) 的迭代译码相结合的条件下具有逼近Shannon 限的性能,是继turbo 码后在纠错编码领域又一重大进展。压缩文件中给出了LDPC在高斯信道下的c程序。-LDPC codes based on BP (Belief Propagation) Iterative Decoding of combining conditions with performance approaching Shannon limit on the heel
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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
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利用数据链路层原理,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。-Data link layer using the principle of a sliding window protocol design and simulation environment in the programming channe
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Source code of matlab for the ebook-Modeling the Wireless Propagation Channel:A Simulation Approach with MATLAB1
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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.
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水下ns2 UnderWaterMiracle: Underwater Channel, PHY and MAC for NS-MIRACLE .-UnderWaterMiracle: Underwater Channel, PHY and MAC for NS-MIRACLE .
escr iption: we have developed a module for ns-miracle that allows a fully detailed simulation of the unde
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In this paper, a two-dimensional (2-D) transverse
magnetic (TM) mode finite difference time domain (FDTD)
method is used to simulate the indoor radio wave propagation
and model the indoor ultra wideband (UWB) channel. The
modulated Gaussian p
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本书是关于无线衰落信道方面的一本好书,书中内含MATLAB代码!
-All relevant components of a mobile radio system, from digital modulation techniques over channel coding through to network aspects, are determined by the propagation characteristics of the channel. Therefore, a pr
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propagation channel modelling and time series systhesizers for the simulation of satellite communication systems.PDF
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用jake模型分析通信中多径传播的影响,内容包括所有源程序和文档报告-Communication with jake model the impact of multipath propagation, including all source code and documentation reports
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Revised and enlarged version that discusses how to design a mobile communications system. Comprehensively examines the mobile radio environment. Covers prediction of propagation loss, calculation and methods of reducing fades, interference, frequency
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数据链路层滑动窗口协议的设计与实现:利用所学数据链路层原理,自己设计一个滑动窗口协议,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-Data link layer sliding window protocol design and implementation: use their data link layer theor
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利用所学数据链路层原理,自己设计一个滑动窗口协议,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。
通过该实验,进一步巩固和深刻理解数据链路层误码检测的CRC校验技术,以及滑动窗口的工作机理。滑动窗口机制的两个主要目标:(1) 实现有噪音信道环境下的无差错传输 (2)充分利用传输信道的带宽。在程序能够稳定运行并成功实现第一个目标之后,运
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一个关于蜂窝小区和微小区的信道模型的MATLAB例子,很好用。-MATLAB example of a cell and microcell channel model, well used.
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