كتاب الاتصالات Principles Digital Communication System & Computer Networks



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Book Description
Undersztand every aspect of modern wireless system design From the antenna to the baseband level - David Pozar's MICROWAVE AND RF DESIGN OF WIRELESS SYSTEMS offers ther most completer and up-to-date presentation of the operation and design of modern wireless telecommunication systems. Integrating a wide range of topics into one design-oriented framework, the text covers antennas and propagation, noise characterization of systems and components, digital modulation methods, and the design and operation of wireless components such as filters, amplifiers, mixers, and phase-locked loops. This comprehensive approach helps readers understand how the various technologies involved in wireless systems are interrelated. The text builds on a strong foundation of fundamental principles, and offers many practical examples and design problems. You'll learn how to: Design modern wireless telecommunication and data transmission systems. Analyze a complete radio system, from the transmitter through the receiver front-end. Evaluate factors such as carrier-to-noise ratio, receiver noise figure, intermodulation products, spurious mixer products, image frequencies, dynamic range, Rayleigh fading, bit error rate, and maximum data rate.'Solve real-world, design-oriented problems.

Book Info
Offers a complete and up-to-date presentation of the operation and design of modern wireless telecommunication systems. Integrates a wide range of topics into a design-oriented framework, this text builds on a strong foundation of fundamental principles. Features many real-world examples and design-oriented problems. DLC: Design communication systems.

http://rapidshare.de/files/11772588/d.m._pozar_microwave_and_rf_design_of_wireless_sys tems_-_solution_manual_511.pdf.html
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Adaptive WCDMA
by Savo G. Glisic, Savo Glisic

Book Description
CDMA (Code Division Multiple Access) is one type of multiple access system used in radio communication. Other multiple access methods include TDMA, FDMA, etc. WCDMA (Wideband Code Division Multiple Access) is the main air interface used for third generation mobile communication systems - UMTS (Universal Mobile Telecommunication System) and is characterised by a wider band than CDMA.

WCDMA uses a wider radio band than CDMA, which was used for 2G systems, and has a high transfer rate and increased system capacity and communication quality by statistical multiplexing, etc. WCDMA efficiently utilises the radio spectrum to provide a maximum data rate of 2 Mbit/s.
Third generation mobile communication systems are scheduled for operational startup in Japan and Europe in 2001-2002. Applying high-speed data transfer and state-of-the-art radio terminal technology, third generations systems enable multimedia and are currently in the process of being standardised under 3GPP. Among the three types of system to be standardised (i.e. WCDMA, MC-CDMA, UTRA TDD), Japan and Europe will adopt WCDMA in a strategy to take the lead through superior service.

This volume will cover the latest theoretical principles of WCDMA and explain why these principles are used in the standards. Starting with a general overview, the more advanced material is then gradually introduced providing an excellent roadmap for the reader.

* Presents comprehensive coverage of the theoretical and practical aspects of WCDMA
* Provides a detailed roadmap by presenting the material step-by-step for readers from differing backgrounds
* Systematically presents the latest results in the field

Ideal for Engineers, academics and postgraduate students involved in research and development, engineers involved in management and administration

http://rapidshare.de/files/8618598/0470848251_-_Adaptive_WCDMA.rar.html
 
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