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Chuyên đề: Giải pháp xử lý mạng ODN tại Bình Phước

Chuyên đề Giải pháp xử lý mạng ODN tại Bình Phước trình bày: Hiện trạng mạng ODN và nguyên nhân; mục tiêu và phương án; phân công nhiệm vụ công tác triển khai và kết quả thực hiện,... Mời các bạn cùng tham khảo.


Lecture Computer communications & networks: Chapter 14 - Forouzan

This chapter introduces wired local area networks. A wired LAN, viewed as a link, is mostly involved in the physical and data link layers. We have devoted the chapter to the discussion of Ethernet and its evolution, a dominant technology today.


Lecture Computer communications & networks: Chapter 17 - Forouzan

In this chapter, we introduce a wide area network (WAN), SONET, that is used as a transport network to carry loads from other WANs. We first discuss SONET as a protocol, and we then show how SONET networks can be constructed from the standards defined in the protocol.


Lecture Computer communications & networks: Chapter 7 - Forouzan

Chapter 4 - Digital transmission. A computer network is designed to send information from one point to another. This information needs to be converted to either a digital signal or an analog signal for transmission. In this chapter, we discuss the first choice, conversion to digital signals.


Lecture Computer communications & networks: Chapter 9 - Forouzan

Converting digital data to a bandpass analog signal.is traditionally called digitalto-analog conversion. Converting a low-pass analog signal to a bandpass analog signal is traditionally called analog-to-analog conversion. In this chapter, we discuss these two types of conversions.


Lecture Computer communications & networks: Chapter 19 - Forouzan

Chapter 19 discusses logical or IP addressing. We first discuss the historical classful addressing. We then describe the new classless addressing designed to alleviate some problems inherent in classful addressing. The completely new addressing system, IPv6, which may become prevalent in the near future, is also discussed.


Lecture Computer communications & networks: Chapter 20 - Forouzan

Chapter 20 - Network layer: internet protocol. This chapter is devoted to the main protocol at the network layer that supervises and controls the delivery of packets from the source to destination. This protocol is called the Internet Protocol or IP.


Lecture Computer communications & networks: Chapter 21 - Forouzan

Chapter 21 - Network layer: Address mapping, error reporting, and multicasting. This chapter is devoted to some auxiliary protocols defined at the network layer, that help the IP protocol do its job. These protocols perform address mapping (logical to physical or vice versa), error reporting, and facilitate multicast delivery.


Lecture Computer communications & networks: Chapter 22 - Forouzan

Chapter 22 - Network layer: Delivery, forwarding, and routing. This chapter describes the delivery, forwarding, and routing of IP packets to their final destinations. Delivery refers to the way a packet is handled by the underlying networks under the control of the network layer. Forwarding refers to the way a packet is delivered to the next station. Routing refers to the way routing tables are created to help in forwarding.


Lecture Wireless and mobile computing – Chapter 17: Antennas and propagation review/recap

The following will be discussed in this chapter: Antenna functions, isotropic antenna, radiation pattern, parabolic reflective antenna, antenna gain, signal loss in satellite communication, noise types, refraction, fading, diffraction and scattering, fast and slow fading, flat and selective fading, diversity techniques.


Lecture Wireless and mobile computing – Chapter 8: Transmission fundamentals recap questions/solutions

Chapter 8 - Transmission fundamentals recap questions/solutions. The following will be discussed in this chapter: Frequency and period relationship; representation of a signal by sinusoids; frequency and wavelength relationship; amplitude, frequency and phase; decomposition of a signal; sinusoidal signal period; periodicity in case of linear combination of two signals; signal harmonics elimination (higher order or lower order); channel capacity computation; shannon formula and nyquist criterion; signal to noise ratio.


Lecture Wireless and mobile computing – Chapter 15: Antennas and propagation

The following will be discussed in this chapter: Electric and magnetic field coupling; EM radiations; period, frequency, and wavelength; phase lag and phase lead; antennas why??? antenna analogy; why separate TX and RX antennas transmission are required; transmission line as an antenna; working of an antenna; far and near fields; antennas characteristics.


Lecture Wireless and mobile computing – Chapter 6: Transmission fundamentals review

The following will be discussed in this chapter: Signals for conveying information, time domain concepts, frequency domain concepts, relationship between data rate and bandwidth, analog and digital data transmission, analog and digital data, analog and digital signaling, analog and digital transmission, channel capacity, transmission media.


Lecture Wireless and mobile computing – Chapter 29: Wireless and mobile computing ns-2 architecture

The following will be discussed in this chapter: ns2 goals, ns2 languages, ns2 models, ns2 components, ns2 research, ns2 platform, directory structure, class hierarchy, duality (split model), ns2 applications, ns2 agents, visualization tool, node, link, packet, addressing routing, wireless node.


Lecture Wireless and mobile computing – Chapter 10: Communication networks

The following will be discussed in this chapter: Circuit switching vs. packet switching, pro and cons of ckt. switching and pkt. switching, classifications of packet switching techniques, datagram and virtual circuit, comparison of the three techniques, combination of circuit switching and packet switching, asynchronous transfer mode introduction, ATM Protocol, ATM QoS mechanisms.


Lecture Wireless and mobile computing – Chapter 30: Cellular wireless networks GSM

The following will be discussed in this chapter: Radiation pattern, parabolic reflective antenna, antenna gain, signal loss in satellite communication, noise types, refraction, fading, diffraction and scattering, fast and slow fading, flat and selective fading, diversity techniques.


Lecture Wireless and mobile computing – Chapter 7: Transmission Fundamentals Review Q/A

Lecture Wireless and mobile computing – Chapter 7: Transmission Fundamentals review Q/A. The following will be discussed in this chapter: Transmission media, guided unguided media, transmission media, microwave transmission, direct broadcast satellite, multiplexing, FDM TDM.


Lecture Wireless and mobile computing – Chapter 5: Wireless transmission media

Lecture Wireless and mobile computing – Chapter 5: Wireless transmission media. The following will be discussed in this chapter: Wireless transmission, wireless transmission examples, terrestrial microwave, satellite microwave, broadcast radio, infrared, wireless transmission systems comparison, wireless propagation modes.


Lecture Computer communications & networks: Chapter 8 - Forouzan

We have seen in Chapter 3 that a digital signal is superior to an analog signal. The tendency today is to change an analog signal to digital data. In this section we describe two techniques, pulse code modulation and delta modulation.


Lecture Computer communications & networks: Chapter 16 - Forouzan

We discussed wireless LANs in chapter 14. Wireless technology is also used in cellular telephony and satellite networks. We discuss the former in this chapter as well as examples of channelization access methods (see Chapter 12). We also briefly discuss satellite networks, a technology that eventually will be linked to cellular telephony to access the Internet directly.


Lecture Wireless and mobile computing – Chapter 12: Protocols and the TCP/IP suite

The following will be discussed in this chapter: Requirement of protocol, why layered approach is adopted, key features of a protocol, simple protocol architecture, addressing, TCP/IP and OSI model, general networking terminology.


Lecture Wireless and mobile computing – Chapter 3: Wireless and mobile computing transmission fundamentals

Chapter 3: Wireless and mobile computing transmission fundamentals. The following will be discussed in this chapter: Signals for conveying information, analog and digital data transmission, channel capacity.


Lecture Wireless and mobile computing – Chapter 27: Wireless and mobile computing simulations

Chapter 27 - Wireless and mobile computing simulations. The following will be discussed in this chapter: What is ns-2? Getting ns? How to use ns-2? Adding your own stuff? Documentation, bug-fixing, fundamentals of discrete event simulation, ns-2 simulation.


Lecture Wireless and mobile computing – Capter 28: Cellular wireless networks

The following will be discussed in this chapter: Principles of cellular networks, cellular geometries, frequency reuse, increasing capacity, macrocell and microcell, operation of cellular system, call stages, design factors, impairments, ist generation cellular networks, 2nd generation cellular networks.


Lecture Wireless and mobile computing – Chapter 13: Protocols and protocol suit review

Lecture Wireless and mobile computing – Chapter 13: Protocols and protocol suit review. The following will be discussed in this chapter: Network access layer, transport layer, protocols, protocol data unit, protocol architecture, TCP/IP stack, layered approach and its advantages, router.


Lecture Wireless and mobile computing – Chapter 14: Protocols and protocol suit review

Lecture Wireless and mobile computing – Chapter 14: Protocols and protocol suit review. The following will be discussed in this chapter: Network access layer, transport layer, protocols, protocol data unit, protocol architecture, TCP/IP stack, layered approach and its advantages, router.


Lecture Wireless and mobile computing – Chapter 2: Wireless and mobile computing transmission fundamentals

Lecture 2 - Wireless and mobile computing transmission fundamentals. The following will be discussed in this chapter: Transmission fundamentals, signals for conveying information, time domain concepts, frequency domain concepts, frequency/time domain,...


Lecture Wireless and mobile computing – Chapter 23: Coding and error control

The following will be discussed in this chapter: Digital communication system, channel coding, types of error control, why use error-correction coding, types of channel coding, requirement of CC and EC, channel En-De/Coding for wireless communication,...


Lecture Wireless and mobile computing – Chapter 26: Satellite communications

The following will be discussed in this chapter: Parabolic reflective antenna, antenna gain, signal loss in satellite communication, noise types, refraction, fading, diffraction and scattering, fast and slow fading, flat and selective fading, diversity techniques.


Lecture Wireless and mobile computing – Chapter 18: Signal encoding techniques

The following will be discussed in this chapter: Where we stand on layers, data representation and signaling used, data encoding, reasons for choosing encoding schemes, factors involved, digital data to analog signal (ASK, FSK, PSK), analog data to digital signal.


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