[PDF] Top 20 Model-based channel estimation for OFDM signals in Rayleigh fading

... Model-Based Channel Estimation for OFDM Signals in Rayleigh Fading Ming-Xian Chang and Yu ...pilot-assisted channel estimation method ... See full document

... approach for analyzing the bit-error probability (BEP) of equalized OFDM signals in Rayleigh ...expressions for BEP performance of various signal constellations [phase-shift ... See full document

... reported in this section assume an OFDM system that has a total bandwidth of 1 MHz, 32 equally spaced mutual-orthogonal subchannels, and a symbol time (included guard interval) of ...Jakes’ model ... See full document

... The channel transfer function of pilot tones are estimated by using low-rank MMSE estimator, and the channel transfer function of data tones are in- terpolated by piecewise l[r] ... See full document

... lies in a low-dimension subspace so that a small 𝐾 𝑇 is sufficient to describe the ...exists for any given SNR and Δ; increasing the modelling order does not necessary improves the channel ... See full document

... signal in the fixed-point ...part for the signal first, and then the fraction ...(I,F), in which I and F denote the word-lengths of the integer part and the fraction part ...simulations for ... See full document

... the channel estimation MSEs under different methods. For RICE, the analytic results based on fourth-order approximation match the simulation results closely under both the COM delay and the ... See full document

... LMMSE Channel Estimation for OFDM Systems With Power–Delay Profile Approximation Kun-Chien Hung and David ...(LMMSE) channel estimation for multicarrier systems, one needs ... See full document

... spectrum for Pair 1. IV. SIMULATION IBM EMSurf based on Moment of Method (MoM) (see [4], [5]) is the simulation tool for this ...simplified model (see Fig. 8) based on PCB circuit has ... See full document

... whiteness in the transmitted coded ...MIMO OFDM sig- nal block is large, we proposed a suboptimal design that could yield approximate ...the channel coder and the multi-antenna OFDM trans- ... See full document

... method for CP-free OFDM systems which applies the VCs, referred to as the Li method hereafter, was presented in ...[6]. In this approach, the noise subspace can be constructed for ... See full document

... methods for the case of SNR = 29 dB. Similar results are observed for other ...the channel selectivity in time and frequency domains. In other words, the spread pattern has to be ... See full document

... system model for multipath DS-CDMA channels is described in Section ...review for the EM algorithm and its appli- cation on JED is given in Section ...III. Based on the recursive ... See full document

... ONCLUSION In this paper, we present a two-stage channel estimation method for STBC/OFDM systems in mobile wireless chan- ...nels. In the initialization stage, an ... See full document

... technique for high-rate wireless data communication systems. In OFDM, a high–rate data stream is transmitted over low-rate parallel subcarriers, thus increasing the symbol duration and reducing the ... See full document

... ploited for ISI-ICI suppression in the considered ...system model, with which the interference subspace can be characterized; it will be seen that under quite mild conditions there will be sufficient ... See full document

... ted 8PSK signals. Such a BCM can be easily decoded by a 3-stage decoding, where at the i-th stage of decoding, a trellis for Ci is used. Simu- lation results for the Rayleigh fadi[r] ... See full document

... designed for the AWGN channel to increase the coding rate without decreasing MSED as compared to the associated multilevel ...BCM. In this paper, we modify the design of BCMIM for MPSK so that ... See full document

... system for mobile communication. In this channel, because of the affection of environment, the signals would be ...the fading noise and additive Gaussian white noise in the ... See full document

... With its low hardware complexity and accurate estimation performance, the raised-cosine frequency- domain interpolation channel estimator will find many appli- cations in OFDM co[r] ... See full document