OFDM for Wireless Multimedia Communications
A study of OFDM, including a comparison with other forms of single carrier modulation methods. It provides the design guidelines needed to maximise benefits from this technology. There is practical advice on how to plan, design and use OFDM to make wireless multimedia communications happen. It offers a solid base for assessing the performance of wireless OFDM systems; explains how OFDM signals are formed using the Inverse Fast Fourier Transform, how the cyclic extension mitigates the effects of modulation, and how windowing can limit out-of-band radiation; discusses the sensitivity of OFDM to synchronization errors; examines the basics of direct sequence and frequency hopping CMDA, helpful in understanding combinations of OFDM and CDMA; explains Multicarrier CDMA, various transmitter architectures, and the pros and cons compared to other CDMA techniques; and includes a discussion of the combination of OFDM and frequency hopping CDMA to get a multiple access system with similar advantages to direct sequence CDMA.
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algorithm amplitude backoff bandslot bandwidth base station bit rate broadband carrier frequency CDMA cell channel estimation Chapter clipping coding rate complementary codes complex constellation convolutional code correlation cyclic extension data rates decoding delay profile delay spread demodulation differential detection Doppler downlink DS-CDMA encoded error example fading channel FFT interval Figure frequency band frequency domain frequency offset guard interval HIPERLAN hopping IEEE IFFT input interference interleaving length maximum Mbps MC-CDMA MC-CDMA system mobile station modulation multipath delay multiple access number of subcarriers OFDM receiver OFDM signal OFDM symbol OFDM system OFDMA orthogonal output packet PAP ratio parameters peak cancellation peak windowing phase noise pilots power control Prasad QPSK Radio RAKE receiver Rayleigh fading received signal samples scrambling sequence soft handover spectral spectrum spread-spectrum subcarrier spacing symbol duration synchronization techniques Technology training symbols transmission transmitted uplink users values wireless LAN
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