additive Gaussian noise channel
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
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 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
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
OFDM PAPR REDUCTION USING LINEAR BLOCK CODES WITH ERROR CORRECTION IN ADDITIVE WHITE GAUSSIAN NOISE CHANNEL
... The basic principle of OFDM is to split input data stream into a number of lower rate streams that are transferred simultaneously over a number of subcarriers, the transmission rate is slower in parallel subcarriers, a ...
5
OFDM systems design using harmonic wavelets
... fading channel with additive white Gaussian noise (AWGN), the bit error ratio of both FFT-OFDM and HW-OFDM perfectly matched, showing that the proposed HW-OFDM is better in terms of ...
7
The Performance of Fast Frequency Hopping System in Additive White Gaussian Noise (AWGN)
... AWGN channel in FFH. AWGN channel model is the one in which the input signal is altered by the linear addition of white noise ...White noise has a flat power spectral density which covers all ...
9
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
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
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 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
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
International Journal of Computer Science and Mobile Computing
... White noise Shown in Figure 1, white noise is defined as an uncorrelated random noise process with equal power at all ...Random noise has the same power at all frequencies in the range of ∞ it ...
8
A Novel Image Structural Similarity Index Considering Image Content Detectability Using Maximally Stable Extremal Region Descriptor
... correlated noise (SCN), masked noise (MN), high frequency noise (HFN), impulse noise (IN), quantization noise (QN), Gaussian blur (GB), image denoising (DEN), JPEG compression ...
10
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
Restoration of Astrophysical Images—The Case of Poisson Data with Additive Gaussian Noise
... considered, only the adequacy of the solution to the data is taken into account; so, when iterative algorithms are used, instabilities appear due to the noise amplification when the iteration number increases. In ...
14
Detection and Localization of Transient Sources: Comparative Study of Complex-Lag Distribution Concept Versus Wavelets and Spectrogram-Based Methods
... with additive white Gaussian noise, HOS allow to detect them by giving high values for transient components that are over- Gaussian and putting to zero the rest of the signal corre- sponding ...
12
Frame By Frame Digital Video Denoising Using Multiplicative Noise Model
... structured noise model is ...speckle noise well, while retaining the structure and edges of the ...spackle noise in the frames which are estimated from Intensity Homogeneity Measurements of the ...
6
Types of noise (1) Gaussian Noise:-Additive noise is one of the most common problems in image processing. Even a high
... This paper deals with the study of research work done in the field of Image Filtering. Different noises can affect the image in different ways. Although various solutions are available for denoising them, a detail study ...
5
Noise Standard Deviation Estimation for Additive White Gaussian Noise Corrupted Images using SVD Domain
... 2. Calculating the slope c value by least square method. The slope c value is not dependent on image content. Due to development of the embedded system, nowadays different resolution cameras are available in the market ...
8