Satellite networking principles and protocols phần 7 docx
Program C Ansi Programming Embedded Systems in C and C++ phần 7 docx
... constructor. This routine is responsible for initializing the three private datamembers and configuring the requested data channel within the SCC hardware:#include "scc.h"static SCC scc;/********************************************************************** ... execute during that interval. So we want and need a mechanism to protect critical sectionswithin tasks without disabling interrupts. And mutexes provide that mechanism.Deadlock and Priority InversionMutexes ... one simple embedded operating system. Its basic elements arethe scheduler and scheduling points, context switch routine, definition of a task, and a mechanism for intertaskcommunication. Every...
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MONEY, MACROECONOMICS AND KEYNES phần 7 docx
... as the choice between ‘hoarding’ and ‘investing’,or, alternatively, as the choice between ‘bank deposits’ and ‘securities’. (Keynes 1930a: 141 [1 971 b: 1 27] ) And he adds in a footnote:It is ... However, by the 1 970 sthe P, Y version of aggregate demand and supply had become firmly entrenchedin the intermediate level textbooks, for example in Dornbusch and Fischer (1 978 :338– 67) . One reason ... stabilizing and destabilizing effects offalling wages and prices and, as argued in GT (chapter 19) and MAK (chapter 7) , thenet effects are uncertain.8 I shall use monetary policy as a shorthand for...
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Internet Security Cryptographic Principles, Algorithms and Protocols - Chapter 7 docx
... communica-tion on the Internet. These include, for instance, the SSL and TLS for HTTP Web traffic,S/MIME and PGP for e-mail and IPsec for network layer security. This chapter mainlyaddresses security ... Algorithms for authentication and encryption Internet Security. Edited by M.Y. Rhee 2003 John Wiley & Sons, Ltd ISBN 0-4 7 0-8 528 5-2 262 INTERNET SECURITY Initiator cookie(64 bits)Responder ... authentication and keyestablishment provides the security and flexibility that will be needed for future growth and security diversity. As the Internet grows and evolves, new payloads to support newsecurity...
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on the principles of political economy and taxation phần 7 docx
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Satellite networking principles and protocols phần 1 ppsx
... frequency bands 31 1 .11 Characteristics of satellite networks 32 1. 11. 1 Propagation delay 33 1. 11. 2 Propagation loss and power limited 33 1. 11. 3 Orbit space and bandwidth limited for coverage 34 1. 11. 4 ... Services 18 44 .10 .2 Addressing 18 44 .10 .3 Routing 18 44 .10 .4 Evolution 18 5Further reading 18 5Exercises 18 65 ATM over Satellite Networks 18 75 .1 Background 18 75 .1. 1 Networking issues 18 85 .1. 2 Satellite ... ATM over DS1 11 23.4.7 ATM over E1 11 33.5 ATM interfaces and ATM networking 11 33.5 .1 User–network access 11 33.5.2 Network node interconnections 11 43.5.3 ATM DXI 11 53.5.4 B-ICI 11 63.5.5 Permanent...
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Satellite networking principles and protocols phần 2 ppsx
... 27 .5–30.0 (25 00 MHz) 17.7 20 .2 (25 00 MHz) International and domesticsatellites Europe, USA,Japan40 /20 Ka band 42. 5–45.5 (3000 MHz) 18 .2, 21 .2 (3000 MHz) Governmental and militarysatellites1.11.1 ... -> out1:5in1 :2 -> out2:1in1:3 -> out2 :2 in1:4 -> out2:3in2:1 -> out1:4in2 :2 -> out1:1in2:3 -> out1 :2 in2:4 -> out2:6Buffers &Processor13 24 PayloadVitualchannelidentifier1 ... 2. 6–3.95C band 3.95–8 .2 X band 8 .2 12. 4Ku band 12. 4–18K band 18.0 26 .5Ka band 26 .5–401.11 Characteristics of satellite networksMost of the presently employed communication satellites are radio...
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Satellite networking principles and protocols phần 3 pot
... availability and the techniques toimprove satellite availability. Satellite Networking: Principles and Protocols Zhili Sunâ 2005 John Wiley & Sons, Ltd Satellite Orbits and Networking Concepts 73 OããE+EMessagepoint ... power limit and the Shannon bandwidth capacity for largeEb/N0.7. Explain the basic principles of protocols and the ISO reference model. 74 Satellite Networking: Principles and Protocols O ... digital satellite transmission channel comprises several basicbuilding blocks, which include baseband processing and channel adaptation in the transmitter 48 Satellite Networking: Principles and Protocols A...
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Satellite networking principles and protocols phần 4 pdf
... multiplexing and multiple access 100 Satellite Networking: Principles and Protocols 02 4 681002 040 6080Payload (bytes)Delay (ms) (48 , 6.833)Figure 3 .4 Delay due to packetisation and queuingFor ... classes: fixed assign-ment access; demand assignment multiple access (DAMA) adaptive access; and random 1 04 Satellite Networking: Principles and Protocols 3.2 .4 The PT fieldThe payload type (PT) ... connections. Satellite coverage moves along with the satellite and links must be handed over from one satellite tothe next satellite (inter -satellite handover). For multi-beam satellites, handover...
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Satellite networking principles and protocols phần 5 ppsx
... overlying internetworking protocols, and vice versa. Satellite Internetworking with Terrestrial Networks 155 Channel 11 2 3 4 5 6 7Channel 21 2 3 4 5 6 7Channel N1 2 3 4 5 6 7….Signalling ... side tone rating 150 Satellite Networking: Principles and Protocols (LSTR), the design of the handset (D-factor), and the frequency response in send and receivedirections and the noise floor, ... network infrastructure. Satellite Networking: Principles and Protocols Zhili Sunâ 20 05 John Wiley & Sons, Ltd Satellite Internetworking with Terrestrial Networks 1474.2 Networking terminologyBefore...
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Satellite networking principles and protocols phần 7 docx
... 6.5 Basic concept of encapsulation of an IP packet 204 Satellite Networking: Principles and Protocols Satellite Networking: principles and protocols 1 3/4 5T1316560-99NP for AAL Type 1NP for ... codes. 216 Satellite Networking: Principles and Protocols Orbit of LEO satellite constellationLEO satellite r= RLr= REEarthstationOEarthREOGRLRGESLEO satellite in GEO satellite centric ... 1Figure 6 .7 Frame structure of the point-to-point protocol (PPP) 210 Satellite Networking: Principles and Protocols For broadband small and portable terminals, rapid deployment and relocation...
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Satellite networking principles and protocols phần 8 pptx
... receiver 2 38 Satellite Networking: Principles and Protocols Each PES packet contains information such as the packet length, PES priority, packettransmission rate and presentation and decoding ... Feedback control flowFigure 7.5 Traffic and control flows 2 58 Satellite Networking: Principles and Protocols Further reading[1] Akyildiz, I.F. et al., Satellite ATM networks: a survey, IEEE ... slow-start algorithm. Satellite Networking: Principles and Protocols Zhili Sunâ 2005 John Wiley & Sons, Ltd Internet Protocol (IP) over Satellite Networks 243between NCC and UES, called a...
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Satellite networking principles and protocols phần 9 pps
... September 199 8.[2] Allman, M., Glover, D. and L. Sanchez, Enhancing TCP over Satellite Channels using Standard Mechanisms,BCP 28, RFC 2488, January 199 9.[3] Allman, M., Paxson, V. and W. Richard ... layer protocols is to offer universal connectivity, and a uniform service interface, to higher layer protocols – in particular, to transport layer 270 Satellite Networking: Principles and Protocols the ... development and convergence of satellite networking. Satellite Networking: Principles and Protocols Zhili Sunâ 2005 John Wiley & Sons, Ltd Next Generation Internet (NGI) over Satellite 307CodecAnalogue...
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Satellite networking principles and protocols phần 10 pot
... packetLabelHostZIP packetLabelIP packetFigure 8 .10 Label swapping and forwarding process 310 Satellite Networking: Principles and Protocols In terms of the amount of bandwidth consumed, video streaming is ... 16, 164 332 Satellite Networking: Principles and Protocols Satellite as Access NetworkIPv4 network6to4RouterIPv6 in IPv4IPv6IPv6 address:2002:c0a8 :101 :1::1src = 2002:c0a8 :101 :1::1des ... satellites and future development of satellite networking. 334 Satellite Networking: Principles and Protocols IPPAN, LAN, MAN,WAN, WLAN, GSM, UMTS;Optical Networks, Satellite Networks;PC, PDA, Smartphone,...
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AD HOC NETWORKS Technologies and Protocols phần 7 docx
... orbroadcast, that originates from or is destined to a node. However, many ad hoc routing protocols take advantage of the fact that all communication in an ad hoc network is inherently broadcast and ... overThree Routing Protocols for Mobile Ad Hoc Networks ,” in Proceedingsof ACM MOBIHOC 2001, Long Beach, CA, Oct 2001.J. Liu and S. Singh, “ATCP: TCP for Mobile Ad Hoc Networks, ” in IEEEJournal ... communication and introduce energy-saving mechanisms used by many protocols. 6.1Energy Consumption in Ad Hoc Networks 6.1.1Point-to-Point CommunicationThe basis for all communication in ad hoc networks...
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Satellite Networking Principles and Protocols phần 6 ppsx
... 188 Satellite Networking: Principles and Protocols lines are expensive and uneconomical to install and operate. Satellite networking was con-sidered as an alternative solution to ‘broadband ... kbit/s-based ISDN and B-ISDN, 08/19 96. 1 86 Satellite Networking: Principles and Protocols [9] ITU-T Recommendation Y.101 Global information infrastructure terminology: terms and definitions, ... a station situatedexactly under the satellite is 35 7 86 km between the satellite and the station (equal to the 158 Satellite Networking: Principles and Protocols provides additional functions...
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