379 results found.
Year: 2009, Volume: 9, Issue: 1
... Additive White is as well omitted from the design. Our model can be Gaussian Noise (AWGN), Pout can be calculated according extended to a MIMO case ... Another energy optimization technique [1] recently proposes a cross layer approach where the signal-to-noise ratio gap approximation is used in order to jointly handle required bit rates, ...
Terms matched: 2 - Score: 21 - 521k
Year: 2010, Volume: 10, Issue: 3
... those distance vectors which have the largest and smallest amplitudes at both ends treat as noise; so, it's essential to get omitted. After computing the threshold T ... 0.23 and PE= 0.5; the value of Pf P can be computed peak signal-to-noise ratio (PSNR) criterion is used from equation (13) and leads ...
Terms matched: 2 - Score: 19 - 958k
Year: 2011, Volume: 11, Number: 1
... , j (4) i =1 Figure 1. Transmitter block scheme The noise samples, zt, j, are modeled as independent realizations of a complex ... random variable with variance N 0 2 for each dimension. The signal-to-noise ratio (SNR) is defined as E N 0. E is the transmitted energy for ...
Terms matched: 2 - Score: 15 - 621k
Year: 2011, Volume: 11, Number: 2
... the multi-user interference (MUI) generality, that: performance over additive white Gaussian noise (AWGN). ‚ User 1 is the desired user and other N ... TH-IR-UWB BPPM system model. In Section 3 the inaccurate for a medium and large signal-to-noise ratio (SNR). accurate analytical expression for BPPM error probability is It ...
Terms matched: 2 - Score: 15 - 635k
Year: 2010, Volume: 10, Issue: 4
... , be the most realistic in microcellular radio communications with the strongest signal assuming equal noise power among systems. The performance analysis includes the channel correlation effect since in ... In general, branch with investigation is important since such environment seems to the highest signal-to-noise ratio (SNR) (or equivalently, be the most realistic in microcellular ...
Terms matched: 2 - Score: 14 - 2,002k
Year: 2017, Volume: 17, Number: 3
... degree of freedom As known, the control performance decreases due to the sensor measurement noise which results in excessive change of pure derivative output. To reduce the effects ... electromagnetic conveyance of the steel plates should provide precise posi- tioning and vibration-free, noise-free, contact-free working conditions. As the magnetic levitation systems meet all these requirements ...
Terms matched: 2 - Score: 13 - 2,636k
Year: 2019, Volume: 19, Number: 1
... from the signal-to-interference proposed study. Finally, we optimize the power allocation of plus noise ratio (SINR) degradation at each receiver. Thus, the PU transmitter ... the SER of conventional models [1-2]. Spectrum utilization can be the end-to-end signal-to-noise ratio (SNR) when all increased by allowing the unlicensed secondary users ( ...
Terms matched: 2 - Score: 12 - 730k
Year: 2015, Volume: 15, Number: 2
... factor and d is the physical realisation advantage of identifying signals in the presence of noise [1 ], generated time shift. while displaying a filtering gain proportional ... are kept at a high, (LTI) filter, which maximizes the receiver signal-to-noise desired level. ratio (SNR). By using the likelihood criterion, ...
Terms matched: 2 - Score: 12 - 1,187k
Year: 2015, Volume: 15, Number: 1
... 2 at the end of the observation time deviation shall have the nature of white noise with the mean window (N values) is bigger than the critical value ... value of Corr was set at the level comparable with the value of the measurement noises, as the correction module shall support the removal of long- term effects ...
Terms matched: 2 - Score: 11 - 951k
Year: 2019, Volume: 19, Number: 2
... Volume 19, Number 2, 2019 IV. RESULTS proposed methodology, even in noise presence. In order to prove the viability of the RSTFT technique, Fig ... localized for broken rotor bars failure to 60 Hz. Additionally, a 0.3 dB Signal-to-Noise ratio level from 0 to 60 Hz for 50 Hz signal, 0 to ...
Terms matched: 2 - Score: 11 - 1,378k