additive noise Gaussian channel
OFDM PAPR REDUCTION USING LINEAR BLOCK CODES WITH ERROR CORRECTION IN ADDITIVE WHITE GAUSSIAN NOISE CHANNEL
... The receiver basically performs the inverse of the transmitter by first separating the data into parallel streams. Then, the FFT (Fast Fourier Transform) converts these parallel data streams into frequency domain data. ...
5
INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT INVESTIGATIONS ON THE PERFORMANCE ENHANCEMENT OF SELF ENCODED SPREAD SPECTRUM IN WIRELESS COMMUNICATION Kavitha Rani*, Dr.S Suresh Babu
... Spread spectrum systems are employed for the secure transmission of digital information which is achieved through spreading the signal in frequency domain. Pseudo-Noise (PN) sequences are conventionally used for ...
12
OFDM systems design using harmonic wavelets
... in the processing of N-long input symbol using WT. Given these advantages, we extend the new wavelet transform (i.e. HW) into the design and study of communication systems driven by OFDM and this will be referred to as ...
7
The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)
... is design by the engineers, so transmitter must be coordinated with a receiver.In communication synchronization is done with the known center frequency transmited by the transmitter signal,so that we can receive our ...
9
Study of Various Filters for Removal Noise from RSI Using Matlab Simulation
... developed additive white Gaussian Noise(AWGS), Salt and Pepper Noise(SPN), Shot Noise (Poisson noise), Speckle ...of noise removal filters is carried ...to Noise ...
8
Compressive Modulation In Digital Communication Using QPSK
... Rayleigh channel shows that Bit Error Rate of QPSK is linearly decreased and reaches to negative values as the SNR is ...in additive Gaussian noise the noise is superimposed over the ...
7
ZigBee Signal Phase Tracking Using a Discrete Kalman Filter Estimator under AWGN Channel
... of Additive White Gaussian Noise (AWGN) channel, by minimizing the phase deviation ...to Noise Ratio ...AWGN channel which can be extended to Inter- net of Things (IoT) ...
8
Paraunitary Oversampled Filter Bank Design for Channel Coding
... for channel coding, since their redundancy can be utilised to permit the detection and correction of channel ...OSFB-based channel coder for a correlated additive Gaussian noise ...
10
A Blind Hammerstein Diversity Combining Technique for Flat Fading Channels
... wireless channel is the random variation of its transfer function, known as fading ...of additive white Gaussian noise, maximal ratio combining (MRC) is a theoretically optimal combiner over ...
12
Adaptive Electronic Dispersion Compensator for Chromatic and Polarization-Mode Dispersions in Optical Communication Systems
... Adaptive electronic equalizers for impairment compen- sation in fiber-optic networks have been studied for decades. In early work [4], the dominant noise was quantum, shot, or electronic thermal noise, ...
9
A Block Transmission Method for Converting a Non-Gaussian Channel into Parallel Gaussian Noise Channels
... the channel, subblock noise symbols due to an additive noise on the propagation channel become uncorrelated Gaussian random variables with same variances for a wide range of ...
5
Bit Error Rate and Signal to Noise Ratio Performance Evaluation of OFDM System with QPSK and QAM M-array Modulation Scheme in Rayleigh, Rician and AWGN Channel Using MATLAB/Simulink
... mobile channel is greater than the bandwidth of the transmitted channel either all frequency components of a received radio signal vary in the same proportion simultaneously (Ojasvi et al 2014; Usha & ...
9
Paraunitary oversampled filter bank design for channel coding
... for channel coding, since their redundancy can be utilised to permit the detec- tion and correction of channel ...based channel coder for a correlated additive Gaussian noise ...
9
Cyclic Channel Coding Algorithm For Original And Received Voice Signal At 8 Khz Using Ber Performance Through Additive White Gaussian Noise Channel
... Figure 3 shows the two curves of BER plot, implemented one for the modulation scheme without channel coding (Red Broken line) and another with the same modulation with coding (Solid Blue line). As a result for ...
10
International Journal of Computer Science and Mobile Computing
... the noise is a stationary additive white Gaussian (AWGN) ...the noise is often time-varying, correlated and ...impulsive-type noise and for acoustic noise, which is ...
8
A Robust Denoising Algorithm for Sounds of Musical Instruments Using Wavelet Packet Transform
... heterogeneous noise for preprocessing of mass spectrometry data is discussed which incorporate a variance change point de- tection method in ...the Additive White Gaussian Noise from the ...
7
Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain
... the noise standard deviation. Noise occurs when scanning the drawn image for making the cartoon ...the noise to the extent of the problem and it helps cartoon related noise ...of noise ...
8
Frame By Frame Digital Video Denoising Using Multiplicative Noise Model
... on noise suppression techniques in the post-image formation type; use computer simulation to suppress the signal as well as its ...by additive noise or motion blur. Often, the noise can be ...
6
IMAGE DUPLICATION AND ROTATION DETECTION METHODS FOR STORAGE UTILIZATION
... Deconvolution is the process used to reverse the effects of convolution on image.The concept of deconvolution is popular used in the techniques of signal processing and image processing.It is the process of separation of ...
5
Performance of AWGN Channel Using Least Squar...
... MIMO-OFDM, channel estimation plays a major ...different channel estimation methods, Least Square (LS), Least Square-Modified (LS-Mod) and Minimum Mean Square Error (MMSE) methods are commonly ...AWGN ...
7