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Download Communications and Networking: An Introduction (2nd Edition) by John Cowley PDF

By John Cowley

Computing device communications and networks are an essential component of any desktop technology measure, with the expertise turning out to be ever extra pervasive in sleek life.

This transparent and easy-to-follow textbook offers a close advent to the necessities of networking and communications applied sciences, supported through a number of diagrams, examples and workouts designed to extend self belief in utilizing and realizing communications structures. completely revised and up to date, this much-anticipated re-creation keeps the preferred step by step procedure of the unique, organised to assist these with out a robust wisdom of the subject material to understand the fabric quickly.

Topics and features:

* offers chapter-ending summaries and overview questions, an Appendix on TCP/IP packet codecs and an elevated Glossary
* provides supplementary fabric on the linked Springer site, together with instructing slides, suggestions to the end-of-chapter questions and supplementary workouts with solutions
* provides a better emphasis on cellular computing and community safeguard, and prolonged assurance of IPv6 (NEW)
* Discusses networking types and criteria, neighborhood zone and large quarter networks, community protocols, TCP/IP-based networks, community administration and instant communications
* Examines grid and cloud computing, microblogging, cellular advert hoc networks, near-field communique, strength over Ethernet and the floor Positioning process (NEW)

Written in particular for undergraduate scholars of computing without prior adventure within the box, this complete and authoritative textbook attracts upon the author’s decades of educating event.

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Read or Download Communications and Networking: An Introduction (2nd Edition) (Undergraduate Topics in Computer Science) PDF

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Additional resources for Communications and Networking: An Introduction (2nd Edition) (Undergraduate Topics in Computer Science)

Example text

Unfortunately, such a system can correct only single-bit errors. So, in practice, we need a more sophisticated system, as it is quite possible that there will be more than one error in a block. Usually, special error-correcting codes known as Reed–Solomon codes are used for FEC. The applications in which these codes are used include wireless and mobile communications and digital subscriber line (DSL) modems. The sophisticated mathematical techniques used by Reed–Solomon codes are beyond the scope of this text.

35). Rain can interfere with microwave signals. Various ways in which microwave transmission can be used are explored in Chap. 10. 2 Satellites Microwave signals can be sent over very long distances using satellites. Although the cost of launching a satellite is high, it can carry a vast amount of traffic. It carries a number of transponders (transmitter/responder). These listen for incoming radio signals, boost them and then retransmit them at a different angle from the angle at which they arrived.

For example, an e-mail might start out from a portable machine connected wirelessly to a LAN, then pass onto a network wired with copper cable, then onto a WAN link wired with fibre-optic cable, then onto a satellite (microwave radio) link and so on. 5 Fig. 4 41 The OSI and TCP/IP Models Compared Source Destination Application Application Transport Applicatio Transport n Applicatio Internet n Internet Network Access Interne Network Access t TCP/IP Model The OSI 7-layer model was devised before the OSI protocols.

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