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Description: NS的一些例子，包括random, routing等，适合初学者学习～-Some examples of NS, including random, routing, etc., suitable for beginners to learn ~
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Size: 5120 |
Author: lucia |
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Description: 在ns仿真平台上进行的一个aodv协议的tcl脚本，场景为50个随机节点，以随机速度移动-In the ns simulation platform aodv agreement a tcl script, the scene for the 50 random nodes to random speed mobile
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Size: 1024 |
Author: 李娇 |
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Description: 用NS- 2 仿真各种路由协议性能时用到的传统运动场景发生器存在两个缺陷: 运动状态不能迅速过渡到稳态, 节点速度的
均匀分布区间起始值只能为0。为了弥补上述缺陷, Tracy Camp 研制了稳态运动场景发生器。通过仿真验证了采用该发生器可大
大缩短仿真时间, 在此基础上仿真AODV 和DSDV 两种路由协议, 首次从吞吐量、协议包开销、平均延迟三个方面对稳态运动场景
下的两种路由协议性能进行分析, 得出结论表明采用稳态运动场景进行路由协议仿真是非常必要的。
关键词: 稳态运动场景 setdest 更新过程 Random Waypoint-Abstr act: As a module of NS2, the traditional movement scenario generator, when simulating routing protocol, has two limitations.
One is that the transition time of stable status is long, and the other is that the uniform- distributing low bound of node speed is
only zero.To remedy these faults, Tracy Camp has developed a stable movement scenario generator.The simulation proves that
simulation time can be reduced largely by using this generator.Based on this result, a simulation for AODV and DSDV routing
protocol is implemented.Then the performance of two protocols is analyzed on three aspects: throughput, routing overhead packets,
average delay.At last the conclusion is drawn, which shows it is essential to adopt stable movement for simulation of routing
protocols.
Key words: stable movement scenario setdest renewal process Random Waypoint
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Size: 172032 |
Author: 王立 |
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Description: NS-2 随机指数标记算法(REM)是一种有效的主动队列管理算法 这事REM算法源码-NS-2 Random Early Marking Algorithm (REM) is an effective algorithm for active queue management algorithm for this matter REM Source
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Size: 13312 |
Author: yjq |
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Description: poison generator is a tools to generate a random data for network simulation ns-2.-poison generator is a tools to generate a random data for network simulation ns-2.
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Size: 54272 |
Author: abdusy syarif |
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Description: 衰落信道仿真
function r = rayleigh( fd, fs, Ns )
r = rayleigh(fd,fs,N)
A Rayleigh fading simulator based on Clarke s Model
Creates a Rayleigh random process with PSD determined
by the vehicle s speed.
INPUTS:
fd = doppler frequency
set fd = v*cos(theta)/lambda
v = velocity (meters per second)
lambda = carrier wavelength (meters)
theta = angle w/ respect to tangent (radians).
fs = sample frequency (Samples per second)
Ns = number of samples of the Rayleigh fading
process to produce
OUTPUTS:
r = row vector containing Ns samples of the Rayleigh
fading process
Author: Matthew C. Valenti
Mobile and Portable Radio Research Group
Virginia Tech
For Academic Use Only-Fading channel simulation
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Size: 3072 |
Author: zhouyi |
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Description: 用matlab所写的复杂网络所用的经典算法，如BA无标度网络，ER随机网络，WS小世界网络和NS小世界网络，以及最近邻耦合网络等matlab算法，可以修改参数，可以绘制复杂网络图形。在matlab中直接可运行。-Classical algorithm matlab written with complex network used, such as BA scale-free networks, ER random network, WS small-world networks and NS small world networks, and nearest neighbor coupling network matlab algorithm, you can modify the parameters, you can draw complex networks graphics. Can be run directly in matlab.
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Size: 4096 |
Author: lhk |
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Description: Abstract—In this paper we propose the channel assignment
scheme for multi-channel wireless mesh network (WMN), where
each mesh router is equipped with multiple radio interfaces. In
real WMN the number of radio interfaces is much higher than
the number of non-overlapping channels, which causes a lot of
connections between mesh nodes operate on the same radio
channel. Increasing number of simultaneous transmissions on the
same channel causes interference, which limits network capacity.
This paper presents a new centralized channel assignment
scheme called first random channel assignment algorithm
(FRCA). This algorithm efficiently utilizes radio interfaces to
achieve improvement of the network capacity. NS-2 simulator
was used to evaluate the performance of proposed solution and
simulation results were compared with others channel
assignment algorithms
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Size: 396288 |
Author: fahim68 |
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