different networks

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Study Notes: Chapter 1-Overview of computer networks

certain amount of overhead. 1.4Connection Type of the Computer Network: (1) Star (most common ); (2) bus type; (3) ring type (common in core devices ); (4) There are also compound types. Which of the above types is integrated. 1.5Several different types of networks: Wan (Wide Area Network), such as multinational networks; MAN (Metropolitan Area Network) is

Introduction and application of wireless Mesh Access Networks

Wireless Mesh access networks are worth learning. Here we will mainly introduce wireless Mesh access networks and their application instructions. As a new generation of Wireless LAN technology, the wireless Mesh access technology has gradually become the focus of the business community and consumers. The term "Mesh" originally meant that all nodes are connected to each other. The Wireless Mesh access networ

Development of Fixed Wireless Access Networks

Diversity) and Time Diversity TD, Time Diversity) technology. Multi-carrier Orthogonal Frequency Division Multi-Channel OFDM, Orthogonal OFDM) system is transmitted by multi-channel narrowband Orthogonal sub-carrier at the same time. In recent years, it has been applied in some practical scenarios and proved to have good results. The ARO mentioned earlier in this article is time diversity and has been officially used in some fixed wireless access networks

Neural networks used in machine learning v. Notes

The fifth lecture of Professor Geoffery Hinton's Neuron Networks for machine learning mainly introduces the difficulty of object recognition and the methods to overcome these difficulties, and focuses on the convolution network used in digital recognition and object recognition.Why object recognition is difficultWe know that it is difficult to identify objects in real-world situations, and this section introduces some of the things that are causing th

Visual tracking with fully convolutional Networks notes

A brief introduction to the background, this article is Dalian Science and technology Professor Lu http://202.118.75.4/lu/publications.html Students Lijun Wang's ICCV2015 article in Hong Kong with Xiaogang Wang, a team that works in Chinese. The author in July in CUHK listen to the report in advance to see the relevant display, feeling the result is amazing. Prof Xiaogang Wang is a deep study of Daniel, Professor Lu is tracking Daniel, this article is a powerful combination of the product. Start

Analysis of large-scale Routing Technology in Next Generation Networks

number translation must be taken into account. Therefore, it is necessary to study the next generation network routing technology.This article focuses on the key routing technologies involved in large-scale next-generation Softswitch networks. These technologies are of positive significance for the development of next-generation networks based on SoftSwitch.The control layer in the Next Generation Network

New technology greatly improves the efficiency of multi-hop wireless networks

, based primarily on the final destination of its transmission. This algorithm determines when it is worthwhile to use powerful data transfers and increases the interruption of signals and when a less powerful transfer of data is required. The result is a holistic leap up in system efficiency. The Journal of Computer Communications published an article on the web entitled "Core-based power control in Multi-hop wireless networks to achieve hotspot mit

Technical features of a new generation of intelligent optical networks

recovery Ciena new generation of Intelligent Optical Network lightwork solution is: (1) The user is divided into different grades, user priority can be used to protect the bandwidth of communication, high priority users can occupy the lower priority of the user's bandwidth at any time. (2) The network element uses the distributed intelligence to realize the point-to-point restoration to the circuit, although the recovery time is longer than the rin

Routing Protocol Analysis for Wireless Mesh Networks

The Wireless Mesh Network is a multi-point-to-Multi-Point Wireless Network developed from the Ad Hoc network. Currently, the routing protocols of the wireless mesh network refer to Ad Hocl to a large extent ~ The typical routing protocol directly applies the Ad Hoc routing protocol to the wireless mesh network environment. This section describes typical wireless mesh network protocols and analyzes representative protocols.I. Routing Protocol for Wireless Mesh NetworksTraditional routing protocol

Introduce basic concepts and highlights of Wireless mesh Networks (1)

Wireless mesh networks are emerging wireless networks. It is quite different from the well-known WLAN. This article will introduce the features and advantages of the Wireless mesh Network in detail. Hope to help you. A wireless mesh network consists of meshrouters routers and meshclients clients. meshrouters forms a backbone network and is connected to a wired in

Deep learning Note (i) convolutional neural network (convolutional neural Networks)

I. Convolutionconvolutional Neural Networks (convolutional neural Networks) are neural networks that share parameters spatially. Multiply by using a number of layers of convolution, rather than a matrix of layers. In the process of image processing, each picture can be regarded as a "pancake", which includes the height of the picture, width and depth (that is, co

[Paper Interpretation] CNN Network visualization--visualizing and understanding convolutional Networks

/hjimce/article/details/50544370) Anti-activation: For the Relu activation function, the activation value is non-negative. Therefore, for the reverse process, it is also necessary to ensure that the eigenvalues of each layer are non-negative, so the reluctant anti-activation process is the same as the activation process. Anti-convolution: Convolutional networks are the feature map of this layer that the network uses to chec

Introduction to neural networks (serialization II)

0. When the "4" mode is delivered to the network, the weight should be adjusted to make the output tend to 1. If you think about this network, you will know that it is easy to increase the output to 10. After training, the network can recognize all numbers ranging from 0 to 9. But why are we stopped here? We can further increase the output so that the network can recognize all the characters in the alphabet. This is essentially the working principle of handwritten recognition. For each characte

Lossless assurance of virtual networks-zOVN, virtual lossless-zovn

center program has low latency requirements, but the fabric requirements for virtualization and lossless high performance are usually different lines. They all independently influence the data center. The purpose of this article is to analyze and compare the impact of the traffic control mechanism on workload performance in a virtualized environment.Network Virtualization Server virtualization makes it possible to create, delete, and migrate dynamic

How can the three major carriers innovate their networks when they face the "4G 4G" challenge?

than 80% of the service data on the entire network, these 30% base stations have high configuration and capability requirements. The third challenge is misplacement of network configurations, cross-generation systems, differentiated services, and cross-generation terminals, as a result, if you want to enjoy a faster network service, you must replace the terminal. "At the same time, with the development of the user scale, the interference between different

Recurrent neural network (recurrent neural networks)

Reference:alex Graves [supervised Sequence labelling with Recurrentneural Networks]Alex is the most famous variant of Rnn, lstm inventor Jürgen Schmidhuber Gaotu, is now joined University of Toronto, apprentice Hinton.Statistical language model and Sequence learning 1.1 language model based on frequency statisticsThe most famous language model in the field of NLP is N-gram.It is based on the Markov hypothesis, of course, which is a 2-gram (Bi-gram) Mo

Deep learning Notes (ii) Very Deepin convolutional Networks for large-scale Image recognition

Very Deep convolutional Networks for large-scale Image recognition1. Major contributions This paper explores the change of the effect of CNN as the number of layers increases as the number of parameters is basically unchanged. (thorough evaluation of networks of increasing depth using an architecture with very small (3x3) convolution filters, Which shows that a significant improvementon the Prior-a

Can Unified Communication and social networks be "compatible?

the time to do something unrelated to the work, or to process some transactions that are directly associated with the work. The ROI of Unified Communication is complex enough. Once a social network is introduced, the overall evaluation is more difficult and enterprises need to take on more risks. Therefore, the combination of Social Network and unified communication may be limited to some industries or only for some people. After all, the nature of enterprises is

All of recurrent neural Networks (RNN)

-notes for the "Deep Learning book, Chapter Sequence modeling:recurrent and recursive Nets. Meta Info:i ' d to thank the authors's original book for their great work. For brevity, the figures and text from the original book are used without. Also, many to Colan and Shi for their excellent blog posts on Lstm, from which we use some figures. Introduction Recurrent neural Networks (RNN) are for handling data. Rnns share parameters across

A summary of convolutional neural networks

left image of Figure 2, suppose we have an image of 1000*1000 pixels, that is, 1 million hidden-layer neurons, if the whole connection (that is, each hidden layer neuron is connected to each pixel of the image), then there are 1000*1000*1000000= connections, that is, the number of parameters. According to the biological principle, each neuron only feels the local area of the image, and then at the higher level, the neurons of these different parts ca

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