[PDF] Top 20 Channel estimation in MIMO-OFDM systems based on comparative methods by LMS algorithm

... telecommunication systems, a channel estimating method which is able to follow its changes at any moment, quickly, precisely and with less calculating operations, is a mater of high ...a channel ... See full document

... nonlinear MIMO spread spectrum communication sys- ...proposed based on the PARAFAC decomposition of a third-order tensor composed of received signals with space, time and code ...joint ... See full document

... DoA estimation in bistatic MIMO radar systems. By assuming that the transmit array is divided into two maximally overlapping subarrays, we show that the cross-correlation matrix of the ... See full document

... massive MIMO channels using DL pilots is investigated. In this context, the number of DL pilots tends to increase as the number of antennas scales ...the channel is flat, the estimator exploits the ... See full document

... Genetic algorithm based optimization has been used with success in various engineering ...method in order to fifind the best antenna array configuration for channel ...sounding. ... See full document

... Iterative algorithm: There are different iterative algorithms which are used to improve channel estimation and various methods are obtained as initial ...Also estimation in each ... See full document

... of OFDM characteristics. Many methods have been proposed to solve this problem, but the most of them decrease high Peak-to-Average Power Ratio (PAPR) as well as the data ...PAPR by combining two ... See full document

... drawn on the basis of CIR samples and number of multipaths channel ...proposed methods show better performance and less complexity because they rely on LSE which does not require any ... See full document

... assisted estimation of orthogonal frequency division multi- plexing (OFDM) channels, the simple least-squares (LS) approach leads to very inaccurate estimates for high signal-to noise ratio (SNR) ...[1]. ... See full document

... originated by B-TCH polynomials have both good cross and auto-correlation, with the latter assuming only three-values: n, the value of the code polynomial, 0 and ...depicted in Figure 1, showing an ... See full document

... suppressed by space-time filtering ...(LMS) algorithm is discussed in ...proposed in [1] is to use sensor delay ...presented in [16]. A new approach to wideband signal close to ... See full document

... RMSE on all CME events, additional benefits of using SCAD over linear regression at the meta-level exist, namely the sparsity ...depending on the tuning ...predictions on average in stages one ... See full document

... faced by future wireless communications especially WLANs is to provide high data rate wireless access at high quality of ...constraints on the total available bandwidth and total transmit power; it is ... See full document

... users in cellular radio networks, based on the RSS ...Location estimation using RSS in different environments is very difficult, which is caused by different propagation ... See full document

... technique in which a single high rate data stream is divided into multiple low rate data ...other. In this way the symbol rate on each sub channel is greatly reduced, and hence the effect of ... See full document

... of MIMO transmission involving a channel structure based on the Kro- necker ...correlation based on the surface currents on the interactive antenna ...of MIMO ... See full document

... beacon in our algorithm at middle of the frame bottom edge has highlighted the important role of this position on the nodes visibility ...matching algorithm, our algorithm shows an ... See full document

... [10]-[13]. In [14] uses multiple antennas in receiver which provides array gain and receive diversity ...gain. In many of these schemes, good performance and the frequency and spatial diversities are ... See full document

... sistemas MIMO usando diversidade espacial leva em conta a interação entre as antenas e meio de propagação ...canal MIMO e ...sistema MIMO em termos de capacidade e de ...direcionais MIMO no ... See full document

... plotted in the figure due to its main direction distribution. In this case, all 20 simulations had shown results similar to that of ...gains in opposite ... See full document