OFDM is a multi-carrier transmission scheme used in WiMAX and WLAN standards. It was introduced in the IEE 802.11a physical layer specification and later introduced in the IEEE 802.16-2004 physical layer. Its OFDMA variant is widely…
Browsing: Wireless Codes
Introduction Fast Fourier Transform (FFT) and its inverse transform IFFT processors are a key component of OFDM-based wireless broadband communication systems. Therefore, it is important…
Modulation IQ In-phase and Quadrature BPSK Binary Phase Shift Keying QPSK Quadrature Phase Shift Keying QAM Quadrature Amplitude Modulation Modulattion…
Introdutction The Python numpy.convolve() function is used to return a discrete, linear convolution of two one-dimensional sequences. The NumPy method convolve() takes three arguments which are arr, arr1 and…
Auto Correlation Auto correlation, sometimes called serial correlation in the case of discrete time, is the correlation of a signal…
Introduction Fast Fourier Transform (FFT) and its inverse (IFFT) play a significant role in many digital signal processing applications. It…
Introduction Interleaver/Deinterleaver : One of the most popular ways to correct burst errors is to take a code that works…
Introduction Interpolation is adding samples between the existing vector values. By doing so sample rate of the signal or surely…
WLAN stands for Wireless LAN. There are many WLAN standards evolving as series of IEEE 802.11 standards viz. 11a,11b,11g,11n,11ac,11ad and…
OFDM transmitter chain viz. binary data source,data mapping,IFFT,CP insertion. This time domain data is passed to the channel and AWGN.…