By Khaled Fazel
The technological development in multi-carrier (MC) modulation led orthogonal frequency department multiplexing (OFDM) to develop into an immense a part of past 3G mobile cellular communique criteria, together with LTE and WiMAX. furthermore, the flexibleness provided via the unfold spectrum (SS) and time department multiplexing (TDM) ideas prompted many researchers to enquire numerous MC mixed a number of entry schemes, resembling MC-CDMA, OFDMA and MC-TDMA. those schemes enjoy the merits of every sub-system and supply excessive flexibility, excessive spectral potency, easy detection thoughts and narrow-band interference rejection capability.
Multi-Carrier and unfold Spectrum platforms is among the first books to explain and study the elemental thoughts of multi-carrier OFDM transmission and its blend with unfold spectrum (MC-CDMA). the various architectures and detection options in addition to baseband-related transceiver parts are defined. This comprises subject matters like FEC channel coding and deciphering, modulation and demodulation (IFFT/FFT), electronic I/Q-generation, time and frequency synchronisation, channel estimation, frequency area equalization and RF elements equivalent to part noise and non-linearity matters. Concrete examples of its purposes for mobile cellular communique platforms (B3G/4G) are given. extra derivatives of MC-SS (such as OFDMA, SS-MC-MA and DFT-spread OFDM) and their corresponding functions within the LTE, WiMAX, WLAN and DVB-RCT criteria are specified. capability and adaptability improvements of multi-carrier OFDM platforms by means of diversified MIMO variety suggestions akin to house time/frequency coding (STC, SFC) and software program outlined radio suggestions also are described.
Written in a hugely available demeanour this booklet presents a distinct reference at the issues of multi-carrier and unfold spectrum communications, aiding 4G engineers with their implementation.
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Extra info for Multi Carrier and Spread Spectrum Systems From OFDM and MC CDMA to LTE and WiMAX
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It includes a detailed description of the different detection strategies (single-user and multi-user) and presents their performance in terms of the bit error rate (BER), spectral efﬁciency, and complexity. Here a cellular system with a point to multi-point topology is considered. Both downlink and uplink architectures are examined. Hybrid multiple access schemes based on OFDM, MC-SS, or spread spectrum are analyzed in Chapter 3. This chapter covers OFDMA, being a derivative of MC-CDMA, OFDM-TDMA, SS-MC-MA, DFT-spread OFDM/interleaved FDMA, and ultra wideband (UWB) schemes.
49] Viterbi A. , “Spread spectrum communications – myths and realities,” IEEE Communications Magazine, vol. 17, pp. 11–18, May 1979.  Viterbi A. , CDMA: Principles of Spread Spectrum Communication, Reading: Addison-Wesley, 1995.  Weinstein S. B. and Ebert P. , “Data transmission by frequency-division multiplexing using the discrete Fourier transform,” IEEE Transactions on Communication Technology, vol. 19, pp. 628–634, Oct. 1971.  WiMAX Forum, “Mobile WiMAX – Part I: a technical overview and performance evaluation,” White Paper, Aug.
Multi Carrier and Spread Spectrum Systems From OFDM and MC CDMA to LTE and WiMAX by Khaled Fazel