data communications and networking 5th edition ebook

Ngày tải lên: 29/09/2013, 20:20

... DATA COMMUNICATIONS AND NETWORKING McGraw-Hill Forouzan Networking Series Titles by Behrouz A Forouzan: Data Communications and Networking TCPflP Protocol Suite Local Area Networks Business Data ... chapters: Chapter and Chapter Chapter In Chapter 1, we introduce the concepts of data communications and networking We discuss data communications components, data representation, and data flow We ... protocols and standards, and networking models Networks exist so that data may be sent from one place to another-the basic concept of data communications To fully grasp this subject, we must understand...

Ngày tải lên: 28/02/2014, 17:08

... Cataloging-in-Publication Data Business data communications and networking : a research perspective / Jairo Gutierrez, editor p cm Summary: "This book addresses key issues for businesses utilizing data communications ... Hammami, Chahir, & Chen Figure Data mining process from data Evaluation and validation Knowledge Data- mining Model Selection and pre-processing Data. for.Mining Database X2(s), …, Xp(s)] that ...  Business Data Communications and Networking: A Research Perspective Jaro Gutérrez, Unversty of Auckland, New Zealand IDeA GRouP PuBlIshING Hershey • London...

Ngày tải lên: 01/06/2014, 01:19

... hand and two text columns containing the nickname and notes about the hand 146 CHAPTER ■ DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>

Ngày tải lên: 05/10/2013, 03:20

... DATA COMMUNICATIONS, SIXTH EDITION A comprehensive presentation of data communications and telecommunications from a business perspective Covers voice, data, image, and video communications and ... WILLIAM STALLINGS BOOKS ON COMPUTER DATA AND COMPUTER COMMUNICATIONS, EIGHTH EDITION A comprehensive survey that has become the standard in the field, covering (1) data communications, including transmission, ... Reading and Web Sites 59 2.7 Key Terms, Review Questions, and Problems 60 Chapter Block Ciphers and the Data Encryption Standard 66 3.1 Block Cipher Principles 68 3.2 The Data Encryption Standard...

Ngày tải lên: 07/12/2013, 11:53

... of communications and networking The introductions, data, and references in this book would help the readers know more about communications and networking and help them explore this exciting and ... Monitoring 415 Hoang-Ha Tran and Kai-Juan Wong Preface This book Communications and Networking focuses on the issues at the lowest two layers of communications and networking and provides recent research ... issues at the physical layer and data link layer of communications and networking and then briefly shows some results on some other important topics such as security and the application of wireless...

Ngày tải lên: 22/02/2014, 05:20

... common standards, for example, for network communication and the representation of primitive data items and data structures in messages For this to happen, standards need to be agreed and adopted ... Wikipedia and Flickr; the emergence of social networking through services such as Facebook and MySpace Creative industries and entertainment The emergence of online gaming as a novel and highly ... Models Networking and Internetworking Interprocess Communication Remote Invocation Indirect Communication Operating System Support 14 Time and Global States 15 Coordination and Agreement Shared data...

Ngày tải lên: 27/03/2014, 23:12

... continuous-time model because summations, integrations and convolutions are employed in the modulation, demodulation and (CIR) 24 Communications and Networking filtering processes Meanwhile, researchers ... coherence bandwidth is as wide as N/Np sub-channels; (3) it sets the tail (N − Np) components to zero; and (4) finally, it performs the inverse transformation 34 Communications and Networking ... sub-carriers and can be considered to be guard bands that avoid interference from other applications in adjacent bands and are not employed to deliver any information It should be noted that xn and Xk...

Ngày tải lên: 20/06/2014, 11:20

... Q2 ··· Qr Qr+1 · · · ··· Band Q Band QR ··· Band r Band r +1 DF relay Fig 13 Frequency division cooperative ZP-OFDM system Band R Frequency domain 72 Communications and Networking We take xr as ... 60 Communications and Networking where YQi and YQ j are the received signal from DF i-th relay and AF j-th relays, respectively, and ( ⋅) * denotes the conjugate operation HQi ,D , H S ,Q j and ... narrow band interference The price paid for OFDM’s attractive features in equalization, decoding, and possibly adaptive power and bandwidth allocation is its sensitivity to subcarrier drifts and...

Ngày tải lên: 20/06/2014, 11:20

... system (Pandharipande & Ho, 2007)-(Pandharipande & Ho, 2008) In this chapter, the resource allocation problem is studied to maximize the system capacity by joint subcarrier matching and power ... level and the interleavers associated to the channel encoding are at the bit level However, all interleavers could be performed at the bit level 84 Information bits Communications and Networking ... ) (3) 86 Communications and Networking where si corresponds to a constellation symbol from the modulation alphabet Λ, E ⎡⋅⎤ is the ⎣⎦ expected value, P ( ⋅) represents a probability and p ( ⋅)...

Ngày tải lên: 20/06/2014, 11:20

... multiuser OFDM networks: who helps whom and how to cooperate,” IEEE Wireless Communications and Networking Conference, WCNC’05, vol 2, pp 1030-1035 L Dai, B Gui and L J C., Jr (2007), “Selective Relaying ... Inc., New York 126 Communications and Networking B Korte, J Vygen (2002), Combinatorial Optimization: Theory and Algorithms, 3rd ed New York: Springer-Verlag I Hammerstrom and A Wittneben (2006), ... Conference on Communications, ICC’06, pp 4463-4468 B Gui and L J Cimini, Jr (2008), “Bit Loading Algorithms for Cooperative OFDM Systems,” EURASIP Journal on Wireless Communications and Networking, ...

Ngày tải lên: 20/06/2014, 11:20

... a(k) is zero mean and statistically independent of αl and nl , and considering that nl and αl are statistically independent and zero mean too, then E{IN} = E{IU} = Since nl and αl are statistically ... this process, JPEG 2000 codestream data and other types of data are integrated into RTP packets as described in (Schulzrinne et al, 2003) 152 Communications and Networking MJ2_Codestream Indexing ... motion pictures 150 Communications and Networking Its main characteristics are: lossy or lossless compression modes; resolution, quality and spatial scalability; transmission and progressive image...

Ngày tải lên: 20/06/2014, 11:20

... positions Fig 20 Independent and composite CDF (optimized AP positions) 253 254 Communications and Networking Fig 21 Optimized and not optimized CDF using and APs The Fig 21 and Table summarizes the ... up and the optimization algorithm achieves both local and global searching properties 248 Communications and Networking As illustration of subdividing the search region into hyper-rectangles and ... mobile broadband services at prices and speeds comparable to fixed broadband Though there are often data caps on mobile broadband services that are lower than those of fixed broadband, some consumers...

Ngày tải lên: 20/06/2014, 11:20

... 290 Communications and Networking packet before transmitting the next one, and retransmit the same packet in case it is lost or wrongly received by the destination The corrupted data can ... strategy defines a transmission range R and schedules communications only between nodes that are R links distant This means that when a node n 292 Communications and Networking transmits a packet, all ... transmitting node and the destination is less than the transmission range of the nodes and therefore in their subsets SF there are less possible cooperative relay nodes 294 Communications and Networking...

Ngày tải lên: 20/06/2014, 11:20

... Management in HSDPA and HSUPA”, Bell Labs Technical Journal, 11(4), pp 151-167, 2007 322 Communications and Networking [4] S Singh, V Krishnamurthy, and H V Poor, “Integrated voice /Data call admission ... on Wireless Communications and Networking, Special Issue on Smart Antennas, July 2007 [16] L.Wang and W Zhuang, “A call admission control scheme for packet data in CDMA cellular communications , ... considerably long airtimes 340 Communications and Networking because they are recommended to be transmitted at the basic link rate in both narrow-band and broadband IEEE 802.11 systems Moreover,...

Ngày tải lên: 20/06/2014, 11:20

... communication may obtain some benefits 360 Communications and Networking An analogy between cooperation in natural and human sciences with the world of wireless communications can sometimes be established, ... reputation models involves node attacks 364 Communications and Networking Reputation models based on Random Probability Model [7-10], such as Power-law Distribution and Bayesian PeerTrust (Li & Lu, 2004) ... flooding; login server automatically creates logical neighbours for new- 370 Communications and Networking joining nodes and randomly distributes them to other nodes as neighbours, a collusion group...

Ngày tải lên: 20/06/2014, 11:20

... provider of The Cloud and accordingly is a service provider in the wireless city However 386 Communications and Networking customers now make Skype calls in some mobile handsets, which means it ... power-based metric and typically, available for both narrowband and wideband radio techologies However the major problems with RSS measurements is their sensitivity to fading and the channel propagation ... Wideband Synchronized anchors Not suitable for mesh network topology Poor robustness to fading Model dependent Multiple antennas Sensitivity to NLOS Wideband Wideband Narrowband Narrowband Table...

Ngày tải lên: 20/06/2014, 11:20

... solar panels and batteries 418 Communications and Networking Utilisation of mesh networking Mesh networking is proposed in this chapter to reduce the number of satellite links and bandwidth requirement ... compress data when compare with uncompress data Table Compare Uncompressed and Compressed Data Percentagea 35% 40% 44% 422 Communications and Networking Fig shows the total transmitted data size ... bandwidth and the number of uplinks are the most important factors in terms of operational expenditure Each satellite 416 Communications and Networking link requires costly subscription and data...

Ngày tải lên: 20/06/2014, 11:20