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... The AWGN Channel Block in the Communications Blockset lets you specify SNR in several ways, ... more itemized way of specifying the SNR, like the itemization found in ... Communications Toolbox• Signal Processing Blockset ... Signal Processing Toolbox• Simulink ...

... of mobile communication systems aim is to provide an enhanced voice, text ... and data services to the user. Recently research has been ... focused on techniques that simplify the mobile receiver structure in ... CDMA system by means of signal precoding. These methods assume ...

... that occur with equal probability and are mutually ... Random number generator that generates ... uniform random number between ... and 1. If the number generated is in range ... the binary source output is ...

... Current direct sequence code division multiple access ... system suffer from Multiple access interference ... due to the frequency selective channel. This interference can be avoided by use of Adaptive Beamforming. ... There are two different minimum variance Beamformer configurations for the base station receiver in direct sequence ...

... It evaluates Bit Error Rate and plots it versus SNR ... signal to Noise Ratio ...

... ALAMOUTI performs Monte-Carlo simulation and estimates Bit Error Rate ... one receive element) the ALAMOUTI is transformed to the order ... which can be controlled by user.The simulation parameters are entered using the built graphic user interface ... 1. Number of pair symbols from both Tx elements to be transmitted ...

... Multiband spectral subtraction as proposed by Kamath 2002. Uses adjusts the ... MATLAB Release: R13 ...

... The comb pilot aided channel estimation in ofdm modulation is considered. ... The power of pilot subchannels is under the control.The data experience frequency ... selective channel then the AWGN noise is added to make the situation worse. The bit error ...

... The decision-directed method is used for tracking of ... priori SNR tracking. Demands:• MATLAB Release ...

... priori SNR signal.Demands:• MATLAB 7.0.1 or higherLimitations ... Note that the first 0.25sec of the signal is used to model the noise, that is, ... it is assumed that speech starts after that 0.25sec ...

... BPSK signal, but when ... demodulate the noised signal BER is much worse than it sould be ... in theory for coherent detection.I add noise using awgn ... function setting the desired SNR ... 4e-2. The BER curves of the desired and of the reality ...

... clear, close all hiddenN ... R13clear, close all hidden ...

... that demonstrates the fundametal principle of operation behind asynchronous CDMA systems using Welsh codes. The system performance can ... be evaluated by changing the processing gain at the transmitter and by increasing or ... decreasing the SNR of the channel. ...

... Description of program1. Convert input bits to bipolar bits.. ... to -1 for user1 and user22. Take 100 samples per bit for both user1 and user2 and ... then plot base band signal which is in bipolar NRZ format.3. Then BPSK ... modulate the signal. Take care that sampling rate of sinusoidal carrier ...

... is different from WLAN. Here, we are measuring SNR for every subchannel and based on the SNR ... MATLAB Release: R13SP1 ...

... graphic user interface program for recording and analyzing images obtained from ... fluid flow that has been seeded with tracer particles by ... the so-called Particle Image Velocimetry technique ... Loading of images with ...

... function that simulate the Alamouti Space-Time scheme and plot ... BER vs SNR graph. Demands ... MATLAB Release: R13 ...

... is for those using Matlab 6.5.2. Files for LDPC code simulation over the AWGN channel.3. Matlab-based and ... implementation of the LDPC decoder. The main simulation script contains the commands for the use of both ... C-based decoders and one Matlab based ... The commands for the decoder that are going to be used need to ...

... MMSE log-STSA method 1985. The decision-directed method is used for tracking of ... priori SNR tracking. Demands ... MATLAB Release: R14SP1 ...

... This program demonstrate abilty of wavelets to denoise audio data ... have tested this program on windows xp and MATLAB 6.1 it works perfectly Demands ...

... Simulink and Stateflow model of ... voice packets, and DM1 data packets. ... system parameters block configures the whole model's packet type, slot pair and channel type. Stateflow ... used to implement the acknowledgement scheme for the data packets and the SCORT receiver state machine. NOTE ...

... Computes the Woody average by first aligning individual signals ... to compute the lag and then re-averages the signals to get an improved estimate.Example included in help.Technique ...

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