Filters








576,452 Hits in 4.6 sec

Performance Analysis of Quantized Beamforming MIMO Systems

Bishwarup Mondal, Robert W. Heath
2006 IEEE Transactions on Signal Processing  
The performance of this system in uncorrelated Rayleigh flat fading channels is studied from the point-of-view of signal-to-noise ratio (SNR) and outage probability.  ...  In particular, the SNR loss in a quantized MIMO beamforming system is characterized as a function of the number of quantization bits and the number of transmit and receive antennas.  ...  and what is the effect of the number of transmit and receive antennas on the performance of limited feedback systems?  ... 
doi:10.1109/tsp.2006.881243 fatcat:udovfbhfe5ch5jm7gc2qg4egqq

Performance analysis of motion-compensated de-interlacing systems

M. Biswas, S. Kumar, T.Q. Nguyen
2006 IEEE Transactions on Image Processing  
In this paper, a linear system analysis for motion-compensated video upconversion systems is presented and the effect of motion vector accuracy in system performance is analyzed.  ...  Linear system analysis of interlaced video and de-interlacer are proposed in [1], [2] and [3] respectively.  ...  Signal Spectrum For true analysis of the performance of the de-interlacing system it is imperative to have an actual model of the input signal.  ... 
doi:10.1109/tip.2006.877405 pmid:16948305 fatcat:ssv4w4qgbve3pivp5dn55q5aku

Performance Analysis of PAPR and LS Estimation in OFDM Systems

Latif Ullah Khan
2014 IEIE Transactions on Smart Processing and Computing  
Therefore some trade-off between the number of subcarriers and the performance of the OFDM system is needed.  ...  The effects of an increase in the number of subcarriers on PAPR and the performance of the LS Estimator were studied.  ...  Simulation Results & Analysis This section presents the MATLAB® simulation results for a performance evaluation of the uncoded OFDM system with channel estimation.  ... 
doi:10.5573/ieiespc.2014.3.3.135 fatcat:fpwhra6uv5b6tbcrdwu4o5tkui

Channel Estimation and Performance Analysis of One-Bit Massive MIMO Systems

Yongzhi Li, Cheng Tao, Gonzalo Seco-Granados, Amine Mezghani, A. Lee Swindlehurst, Liu Liu
2017 IEEE Transactions on Signal Processing  
This paper considers channel estimation and system performance for the uplink of a single-cell massive multiple-input multiple-output (MIMO) system.  ...  Numerical results are presented to verify our analytical results and demonstrate the benefit of optimizing system performance accordingly.  ...  Finally, we presented a number of simulation results that validate our analysis and illustrate the potential performance of massive MIMO systems with one-bit ADCs.  ... 
doi:10.1109/tsp.2017.2706179 fatcat:v74rwd4m2jerbbmah73dimldf4

Performance analysis of semiblind channel estimation in long-code DS-CDMA systems

Husheng Li, H.V. Poor
2006 IEEE Transactions on Signal Processing  
The performance of second-order statistics (SOS)based semiblind channel estimation in long-code direct-sequence code-division multiple-access systems is analyzed.  ...  The covariance matrix of second-order statistics estimates is obtained in the large system limit and is used to analyze the large-sample performance of two SOS-based semiblind channel estimation algorithms  ...  It should be noted that our analysis on the performance of SOS estimation is based on the large system limit, , , while keeping and constant. A.  ... 
doi:10.1109/tsp.2006.879287 fatcat:h4qdnnjgjvfylpex4gp3zsw3aq

Performance Analysis and Design Optimization of LDPC-Coded MIMO OFDM Systems

B. Lu, G. Yue, X. Wang
2004 IEEE Transactions on Signal Processing  
We consider the performance analysis and design optimization of low-density parity check (LDPC) coded multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems for  ...  within 1 dB from the ergodic capacity of the MIMO OFDM systems under consideration.  ...  His research interests are in the area of telecommunications and digital signal processing, primarily in channel coding and modulation for wireless communications.  ... 
doi:10.1109/tsp.2003.820991 fatcat:mchpdfdqwfbazhtt25vml73dp4

Design and Performance Analysis of Noncoherent Detection Systems With Massive Receiver Arrays

Lishuai Jing, Elisabeth De Carvalho, Petar Popovski, Alex Oliveras Martinez
2016 IEEE Transactions on Signal Processing  
When the receiver relies on the average channel energy, our performance analysis is based on the exact SER, rather than an approximation.  ...  When the channel has a large number of spatial degrees of freedom, the system becomes robust to imperfect channel knowledge due to channel hardening.  ...  In [7] , theoretical fundamentals of ED for communication systems are provided with an emphasis on the analysis of the receiver characteristics.  ... 
doi:10.1109/tsp.2016.2591905 fatcat:ntd4yuskkzfk5ezkwih5rsavza

Performance Analysis of Linear Receivers for Uplink Massive MIMO FBMC-OQAM Systems

Francois Rottenberg, Xavier Mestre, Francois Horlin, Jerome Louveaux
2018 IEEE Transactions on Signal Processing  
In this paper, the performance of an FBMC-OQAM uplink massive MIMO system is theoretically characterized in terms of the output mean squared error (MSE) of the estimated transmitted symbols and for three  ...  Using random matrix theory, the output MSE of these receivers is asymptotically characterized as the number of base station (BS) antennas N and the number of users K grow large, while keeping a finite  ...  However, to the best of our knowledge, there does not exist a theoretical analysis of the FBMC performance in a massive MIMO scenario.  ... 
doi:10.1109/tsp.2017.2778682 fatcat:pskwcwkdarcffh254rp36mbsi4

Analysis of Machine Learning for Processing Big Data in High Performance Computing: A Review

Rohit Rohit, B. Gupta, K. Gola
2018 EAI Endorsed Transactions on Cloud Systems  
This paper speaks to the review of different machine procedures or strategies applied before train data sets for information extraction of information in enormous information investigation to improve performance  ...  This paper could be as starting point and base of examination and has a key an incentive in the field of machine learning.  ...  times Analysis of Machine Learning for Processing Big Data in High Performance Computing: A Review Table 3 . 3 Approach in percentage (%) can be applied for unsupervised framework Presenta tion  ... 
doi:10.4108/eai.7-9-2020.166353 fatcat:rczzugrwlnc3dhfa6tlajumzbe

Stability and performance analysis of an adaptive sigma-delta modulator

M.A. Aldajani, A.H. Sayed
2001 IEEE transactions on circuits and systems - 2, Analog and digital signal processing  
Simulation results confirm the signal-to-noise ratio performance and indicate considerable improvement in the dynamic range of the modulator compared to earlier structures.  ...  Moreover, an analytical expression for the signal-to-noise ratio is derived, and it is shown to be independent of the input signal strength.  ...  In other words, the switching system implements the following equation: if if . (16) This process is depicted in Fig. 8(b) .  ... 
doi:10.1109/82.924066 fatcat:3zickg37izbc5pz2bexpbruybe

Selective-Tap Adaptive Filtering With Performance Analysis for Identification of Time-Varying Systems

Andy W. H. Khong, Patrick A. Naylor
2007 IEEE Transactions on Audio, Speech, and Language Processing  
We subsequently formulate an analysis of the MMax algorithms for time-varying system identification by modeling the unknown system using a modified Markov process.  ...  Analytical results are derived for the tracking performance of MMax selective tap algorithms for normalized least mean square, recursive least squares, and affine projection algorithms.  ...  Simulations verify that the analysis accurately describes the performance of the algorithms.  ... 
doi:10.1109/tasl.2007.896671 fatcat:a7w7fn6gr5f57mmjy76s6t2hie

Performance analysis of a deterministic channel estimator for block transmission systems with null guard intervals

S. Barbarossa, A. Scaglione, G.B. Giarmakis
2002 IEEE Transactions on Signal Processing  
Finally, we validate our theoretical analysis with simulations and compare our transmission scheme with an alternative system using training sequences for channel estimation.  ...  Using small perturbation analysis, in this paper, we derive approximate expressions of the estimated channel covariance matrix, which are used to quantify the resilience of the estimation algorithm to  ...  PERFORMANCE ANALYSIS In this section, we provide theoretical performance analysis of the channel estimation method described above in the presence of additive noise and of slow channel fluctuations.  ... 
doi:10.1109/78.984763 fatcat:57r4ql2wurbqddatp727gbwrda

Modeling and Performance Analysis of DWDM based 100 Gbps Inter-satellite Optical Wireless Communication (IsOWC) System

Shekher Saini, Amit Gupta
2015 SOP Transactions on Signal Processing  
In this paper, a high capacity dense wavelength division multiplexing (DWDM) technique based LP-IsOWC System is proposed and its performance analysis has been done for various parameters.  ...  Role of EDFA is also analyzed on the proposed system for its acceptability in the given system. It is found that EDFA helps in reducing BER and improving Q-factor.  ...  CONCLUSION In this paper, a DWDM based IsOWC system is presented. A low power optical link of 1,000 km between two satellites is established for performance analysis.  ... 
doi:10.15764/stsp.2015.01001 fatcat:ryti4fyzzfgoxg54cv3boeb7jq

Performance analysis of signed self-orthogonalizing adaptive lattice filter

P. De Wilde, D.I. Kim
2000 IEEE transactions on circuits and systems - 2, Analog and digital signal processing  
The performance analysis based on the convergence model of the lattice predictor is given in terms of the mean-squared error and the variance of the reflection coefficient error.  ...  Computer simulations are undertaken to verify the performance and the applicability of the proposed filter structure.  ...  Iiguni at Osaka University for a number of valuable discussions. Thanks are also due to anonymous reviewers for their valuable and helpful comments.  ... 
doi:10.1109/82.885130 fatcat:zyh2xgjhvffhpmxurvjh2l34tm

Comments on "Performance Analysis of a Deterministic Channel Estimator for Block Transmission Systems With Null Guard Intervals

Borching Su, P.P. Vaidyanathan
2008 IEEE Transactions on Signal Processing  
Comments on "Performance Analysis of a Deterministic Channel Estimator for Block Transmission Systems With Null Guard Intervals" Borching Su, Student Member, IEEE, and P. P.  ...  The performance of the algorithm in [2] in the high-SNR region was shown to be as in [1, eq. (33) ].  ... 
doi:10.1109/tsp.2007.907855 fatcat:aie4sd5pvjhnleaxa25v4ctunm
« Previous Showing results 1 — 15 out of 576,452 results