[PDF] Top 20 TIME FREQUENCY TRAINING ESTIMATION METHOD OF OFDM FOR MOBILE LARGE SCALE MIMO SYSTEMS

... coherence time of the path gains is inversely proportional to the carrier frequency f c ...wireless systems, path delays would change much slower than path ...received OFDM data block y i  [y ... See full document

... with training-assisted carrier frequency offset (CFO) estimation in multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) ...the training ... See full document

... The large-scale MIMO is a type of MU-MIMO systems, where the number of BS antennas and the number of users are ...same frequency resource by different time ...the ... See full document

... CFO estimation method was proposed, based on the measure of the non-Gaussianity of the fourth-order received signal ...the frequency selectivity of a channel. In [58], a blind CFO estimation ... See full document

... iterative time domain Least Squares (LS) based channel estimation method using superimposed training (ST) for a Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing ... See full document

... a time-varying estimation of MIMO-OFDM channels for high-mobility communication systems by means of discrete evolutionary ...proposed method is that it does not assume any ... See full document

... in time and ...low time-frequency correlations and vice versa, are exploited by an appropriately dimensioned 3D pilot ...channel estimation unit, a unified and bandwidth effi- cient 3D pilot ... See full document

... MIMO-OFDM systems. In SISO OFDM, some methods rely on training blocks [7, 8], while others just take advantage of standard transmission format; ...blind estimation [9, ...(ML) ... See full document

... communication systems due to the special environment of transmission modulation signal, the transfer process will be a lot of ...channel estimation by training sequence can be ...a training ... See full document

... conduct large matrix calculations in alternate ways, and applied for system complexity ...the MIMO detection ...for MIMO symbol detector using matrix factorization is proposed in [14] which supports ... See full document

... One approach to evaluating the equalization performance is BER analysis, but it is generally quite complex. Hence, we use PEP analysis, a technology which is widely used in space-time communications and ... See full document

... (MMSE) training-based channel estimation for two-hop multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) relaying ...channel estimation ... See full document

... by frequency offset; one is the reduction of signal amplitude in the output of the filters matched to each of the carriers and the second is introduction of IC1 from the other carriers which are now no longer ... See full document

... The AWGN channel introduces noise which is entirely Gaussian with zero mean and is identical and independently distributed. The noise being additive is uncontrollable but distorts bits only less significantly. Hence, ... See full document

... parameter estimation and bit error rate performance for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems in new transmission ... See full document

... in MIMO-OFDM mobile multimedia communication systems: As the transmission power increases, which leads to larger effective capacity, the energy consumption of the system also rises; therefore, ... See full document

... orthogonal frequency division multiplexing (OFDM) is expected to be a promising ...the estimation of the carrier frequency offset (CFO) and the channel parameters is a great challenging ...the ... See full document

... Furthermore, CBSMs can be categorized into two types known as classic IID. Rayleigh fading channel model and correlated channel models. Correlated channel models contain the Kronecker-based stochastic model (KBSM), the ... See full document

... for MIMO-OFDM systems with phase noise over fast time-varying fading channels for which ICI should be dealt with, error floors are observed for all ...and time-selective fading is found ... See full document

... orthogonal frequency division multiplexing, code- division multiple-access (MIMO OFDM-CDMA) ...space-time frequency spreading is employed to transmit users’ ...that MIMO ... See full document