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Author: Nidhi Jain Publisher: ISBN: Category : Broadband communication systems Languages : en Pages :
Book Description
This thesis discusses different channel estimation techniques, channel equalization and various diversity schemes for broadband wireless communication employing single-carrier frequency domain equalization. With the help of simulation results, we have compared the performance of SC-FDE system employing three different channel estimation techniques namely Least Mean Square based channel estimation for adaptive frequency-domain equalization, Unique Word based channel estimation and interpolation based channel estimation. The simulations are run for various values of Doppler spreads. MMSE based frequency-domain equalizer is used throughout our work. It performs well and has reasonable computational complexity. Finally to enhance the reliability of signal reception, three different diversity schemes namely, Maximum Ratio Receive Combining, Space-time block coding and Space frequency block coding are discussed and implemented for SC-FDE system. Simulation results show that these diversity techniques outperform single carrier frequency-domain equalization employing single antenna.
Author: Nidhi Jain Publisher: ISBN: Category : Broadband communication systems Languages : en Pages :
Book Description
This thesis discusses different channel estimation techniques, channel equalization and various diversity schemes for broadband wireless communication employing single-carrier frequency domain equalization. With the help of simulation results, we have compared the performance of SC-FDE system employing three different channel estimation techniques namely Least Mean Square based channel estimation for adaptive frequency-domain equalization, Unique Word based channel estimation and interpolation based channel estimation. The simulations are run for various values of Doppler spreads. MMSE based frequency-domain equalizer is used throughout our work. It performs well and has reasonable computational complexity. Finally to enhance the reliability of signal reception, three different diversity schemes namely, Maximum Ratio Receive Combining, Space-time block coding and Space frequency block coding are discussed and implemented for SC-FDE system. Simulation results show that these diversity techniques outperform single carrier frequency-domain equalization employing single antenna.
Author: Tao Jiang Publisher: CRC Press ISBN: 1420088254 Category : Computers Languages : en Pages : 640
Book Description
Supported by the expert-level advice of pioneering researchers, Orthogonal Frequency Division Multiple Access Fundamentals and Applications provides a comprehensive and accessible introduction to the foundations and applications of one of the most promising access technologies for current and future wireless networks. It includes authoritative cove
Author: C-c Jay Kuo Publisher: World Scientific ISBN: 1908979046 Category : Technology Languages : en Pages : 272
Book Description
Multi-Carrier Techniques for Broadband Wireless Communications provides an accessible introduction to OFDM-based systems from a signal processing perspective. The first part presents a concise treatment of some fundamental concepts related to wireless communications and multicarrier systems, while the second offers a comprehensive survey of recent developments on a variety of critical design issues. These include synchronization techniques, channel estimation methods, adaptive resource allocation and practical schemes for reducing the peak-to-average power ratio of the transmitted waveform./a
Author: Harald Witschnig Publisher: ISBN: 9783836492850 Category : Technology & Engineering Languages : en Pages : 184
Book Description
The concepts of frequency domain equalization represent the most powerful strategies to combat time dispersion caused by multipath propagation in broadband wireless communication systems. Performing equalization in the frequency domain allows for a computational efficient implementation because the effort grows significantly lower with the bandwidth compared to equalization in the time domain. Two well known frequency domain concepts exist: OFDM (Orthogonal Frequency Division Multiplexing) and SC/ FDE (Single Carrier Transmission with Frequency Domain Equalization). While the interest on OFDM was almost overwhelming, the interest on SC/FDE has been growing rapidly only recently. A primary topic of this work is the extension and alternative formulation of the SC/FDE system as it is usually understood. Further more the basic concept is characterised in terms of equalization strategies, higher order modulation schemes, synchronization, channel estimation, channel coding or front-end implementation effort. Finally an overall comparison of OFDM and SC/FDE is carried out, characterising advantages and disadvantages.
Author: Paulo Montezuma Publisher: CRC Press ISBN: 1351689363 Category : Technology & Engineering Languages : en Pages : 153
Book Description
Frequency-Domain Receiver Design for Doubly-Selective Channels discusses broadband wireless transmission techniques, which are serious candidates to be implemented in future broadband wireless and cellular systems, aiming at providing high and reliable data transmission and concomitantly high mobility. This book provides an overview of the channel impairments that may affect performance of single carrier and multi-carrier block transmission techniques in mobile environments. Moreover, it also provides a new insight into the new receiver designs able to cope with double selectivity that affects present and future broadband high speed mobile communication systems.
Author: Ramjee Prasad Publisher: Artech House ISBN: 9781580537995 Category : Technology & Engineering Languages : en Pages : 294
Book Description
Annotation Written by a leading authority, this timely new work offers today's wireless professionals a complete understanding of OFDM technology and applications in wireless communications systems, placing emphasis on wireless LANs (local area networks) and PANs (personal area networks).
Author: Nidhi Jain
Author: Nidhi Jain
Author: Harald Witschnig
Author: 
Author: Tao Jiang
Author: C-c Jay Kuo
Author: Harald Witschnig
Author: Alois Koppler
Author: Paulo Montezuma
Author: Ramjee Prasad
Author: Chan-Tong Lam