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Bit Error Probability and Encoder Structure
, 2000
"... . The problem of decoding a binary linear code used over a binary symmetric channel so as to minimize bit error probability, rather than codeword error probability, is studied. In general, there are substantial differences with the maximum likelihood case. The optimal decoding rule depends on the cr ..."
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. The problem of decoding a binary linear code used over a binary symmetric channel so as to minimize bit error probability, rather than codeword error probability, is studied. In general, there are substantial differences with the maximum likelihood case. The optimal decoding rule depends
New Results on Estimations of the Burst and Bit Error Probabilities for Fixed Convolutional Codes
"... New results on estimations of the burst and bit error probabilities for fixed convolutional codes ..."
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New results on estimations of the burst and bit error probabilities for fixed convolutional codes
Bit error probability of Rake receiver in the presence
, 2003
"... We derive here a simple and accurate theoretical method for computing the biterrorprobability (BEP) of a directsequence spread spectrum (DSSS) receiver using maximum ratio combiner (MRC), in the presence of code synchronization errors, root raised cosine (RRC) pulse shaping, and Rayleigh fading ..."
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We derive here a simple and accurate theoretical method for computing the biterrorprobability (BEP) of a directsequence spread spectrum (DSSS) receiver using maximum ratio combiner (MRC), in the presence of code synchronization errors, root raised cosine (RRC) pulse shaping, and Rayleigh fading
CONSIDERATIONS ON THE BIT ERROR PROBABILITY OF OPTICAL CDMA SYSTEMS
"... ABSTRACT 1 The most common metric for evaluating the performance of an optical communications system is the symbol error probability (SEP) versus the received optical power. In circuitlike optical systems employing binary transmission such as WDM, this SEP takes the form of the Bit Error Rate (BER) ..."
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ABSTRACT 1 The most common metric for evaluating the performance of an optical communications system is the symbol error probability (SEP) versus the received optical power. In circuitlike optical systems employing binary transmission such as WDM, this SEP takes the form of the Bit Error Rate (BER
THE BIT ERROR PROBABILITY OF PSK SYSTEM IN THE PRESENCE OF INTERFERENCE AND NOISE
"... In this paper the bit error probability rather than the lower bound for two interferences is evaluated. The signal, interferences and noise are applied at the input to the phasecoherent communication receiver and an expression for the bit error probability is derived for the case when the reference ..."
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In this paper the bit error probability rather than the lower bound for two interferences is evaluated. The signal, interferences and noise are applied at the input to the phasecoherent communication receiver and an expression for the bit error probability is derived for the case when
Bit Error Probability Analysis for FMA2 Downlink
"... The wideband codedivision multiple access (CDMA) concept (FMA2) developed in the European FRAMES AC090 project supports variable data rate transmission. The data rate can be altered by changing either the spreading factor or by using multiple spreading codes in parallel. In order to facilitate flex ..."
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The wideband codedivision multiple access (CDMA) concept (FMA2) developed in the European FRAMES AC090 project supports variable data rate transmission. The data rate can be altered by changing either the spreading factor or by using multiple spreading codes in parallel. In order to facilitate flexible changing of data rate, orthogonal Walsh codes are used for channel separation, followed by scrambling code. Optional short scrambling codes can be used if interference suppression is used. In this paper the downlink performance of the FMA2 system using both conventional RAKE and LMMSERAKE receivers is studied. According to the numerical results, the performance of the conventional RAKE receivers is insufficient at lowest spreading factors, whereas the the LMMSERAKE performs well regardless of the spreading factor. Hence, the final specification for ETSI ffgroup proposal should facilitate interference suppression also in the downlink, and not only for the uplink due to relatively bad ...
Symbol Error Probability and Bit Error Probability for Optimum Combining with MPSK Modulation
, 2004
"... 0 New expressions are derived for the exact symbol error probability and bit error probability for OC with multiple phaseshift keying. The expressions are for any numbers of equal power cochannel interferers and receive branches. It is assumed that the aggregate interference and noise is Gaussian ..."
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0 New expressions are derived for the exact symbol error probability and bit error probability for OC with multiple phaseshift keying. The expressions are for any numbers of equal power cochannel interferers and receive branches. It is assumed that the aggregate interference and noise is Gaussian
BIT ERROR PROBABILITY ANALYSIS FOR TCM IN SLOW FADING CHANNELS
"... Bit error probability evaluation of TkellisCoded Modulation (TCM) over fading channels is rather complicated, and the analytical results are limited to loose upper bounds leaving the system designer with the only option of simulation. Cavers and Ho [l] have derived an ezacl analytical expression fo ..."
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Bit error probability evaluation of TkellisCoded Modulation (TCM) over fading channels is rather complicated, and the analytical results are limited to loose upper bounds leaving the system designer with the only option of simulation. Cavers and Ho [l] have derived an ezacl analytical expression
The Performance Of Deterministic Rayleigh Fading Channel Simulators With Respect To The Bit Error Probability
"... All Rayleigh fading channel simulators basing on finite sums of weighted harmonic functions with determined frequencies and phases are constitutionally deterministic. In this paper, we analyze the performance of this important class of fading channel simulators with respect to the bit error probabil ..."
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All Rayleigh fading channel simulators basing on finite sums of weighted harmonic functions with determined frequencies and phases are constitutionally deterministic. In this paper, we analyze the performance of this important class of fading channel simulators with respect to the bit error
Recursive Decoding Procedures for Minimizing the Bit Error Probability for Block and Convolutional Codes
"... Recursive decoding procedures minimizing the bit error probability for block and convolutional codes and having complexities comparable to the complexity of maximum likelihood decoding are presented. The key idea of our approach to decoding problem is a representation of codewords as boundary points ..."
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Recursive decoding procedures minimizing the bit error probability for block and convolutional codes and having complexities comparable to the complexity of maximum likelihood decoding are presented. The key idea of our approach to decoding problem is a representation of codewords as boundary
Results 1  10
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