Spectrum Analyzer Basics
Understanding the characteristics of noise and how a noise signal looks compared to other ... at the output of a transmitter can interfere with other communication bands. The pre-amplification stages in a receiver ... However it does have its limitations, particularly in the areas of frequency range, sensitivity, and dynamic
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MIMO-OFDM
www.ee.iitm.ac.in4.2 Basic Principle of OFDM 121 4.2.1 OFDM Modulation and Demodulation 121 4.2.2 OFDM Guard Interval 126 4.2.3 OFDM Guard Band 132 4.2.4 BER of OFDM Scheme 136 4.2.5 Water-Filling Algorithm for Frequency-Domain Link Adaptation 139 4.3 Coded OFDM 142 4.4 OFDMA: Multiple Access Extensions of OFDM 143
Introduction to the Fast-Fourier Transform (FFT) Algorithm
www.ee.iitm.ac.inIntroduction to the Fast-Fourier Transform (FFT) Algorithm C.S. Ramalingam Department of Electrical Engineering IIT Madras C.S. Ramalingam (EE Dept., IIT Madras) Intro to FFT 1 / 30
Introduction to the Fast-Fourier Transform (FFT) Algorithm
www.ee.iitm.ac.inThe Decimation in Time (DIT) Algorithm Figure 9.4 Flowgraph of Decimation in Time algorithm for N = 8 (Oppenheim and Schafer, Discrete-Time Signal Processing, 3rd edition, Pearson Education, 2010, p. 726) C.S. Ramalingam (EE Dept., IIT Madras) Intro to FFT 15 / 30
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