[PDF] Top 20 Low complexity adaptive iteration algorithm for frequency tracking in OFDM systems

... Its tracking range is quite wide up to half the carrier spacing, and convergence speed is very fast, costing only several tens of iterations; moreover, its mean-square error (MSE) performances are very much close ... See full document

... A low-complexity blind timing algorithm is proposed to estimate timing offset in OFDM systems when multiple symbols are received (the timing offset estimation is independent of the ... See full document

... modified low-complexity MMSE equalizer that takes the decision error into account is then ...CDMA systems, authors of [8] propose a MMSE estimator where the estimate of the desired signal is com- ... See full document

... new algorithm M-flipping has been proposed for PAPR reduction in OFDM system and compared with original OFDM, PTS and I-Flipping ...performance/ complexity trade-off as compared to other ... See full document

... orthogonal frequency-division multiplexing (OFDM) transmission through frequency-selective channels, this paper pursues a channel estimation approach in time domain for both space-frequency ... See full document

... (ES) algorithm by considering all possible combinations of BS antennas and users, which leads to the exponential growth of the combinatorial complexity with the increasing of the number of BS antennas and ... See full document

... orthogonal frequency division multiplexing ultra-wideband (MB-OFDM UWB) systems dealing with non-circular ...computational complexity compared with the linear ...an adaptive WLMMSE ... See full document

... of OFDM signalling avoids ISI arising due to channel memory, fading multipath channel still introduces random attenuations on each ...simple frequency-domain equalization, which divides the FFT output by ... See full document

... performance Adaptive modulation and coding (AMC) is used which chooses the suitable modulation and coding schemes appropriate to the current channel ...a frequency-selective fading ...MIMO–OFDM ... See full document

... orthogonal frequency division multiplexing (OFDM) systems based on pilot ...multiple OFDM symbols is ...(RLS) algorithm is proposed, from which they derive the optimal forgetting or ... See full document

... the low complexity GPA algorithms proposed in [12] for OFDM signal transmission in hostile environments and to simplify receiver complexity by transferring the signal processing to the ...So ... See full document

... in OFDM have grown tremendously during last two ...to frequency selective fading channel, the OFDM has been adopted by many broadband wireless communication standards like DAB, DVB-T, IEEE ...of ... See full document

... the algorithm proposed by Goldfeld et ...the algorithm performance and the computational ...computational complexity associated with both approaches is ...the complexity of bit allocation, ... See full document

... and frequency, frequency equalization, precoding, and adaptive loading [40, 41, 42, ...consider adaptive loading or data rate adaptation based on the changing channel ...in OFDM, ... See full document

... computational complexity, however, may prevent it from practical ...high complexity. In [13], a frequency domain adaptive I/Q mismatch compensation scheme is proposed, however, it requires ... See full document

... orthogonal frequency division multiplexing (OFDM) ...SLM, OFDM receivers often require estimation of some side information (SI) in order to achieve successful data ...existing frequency-domain ... See full document

... an adaptive modulation system with multiple-input–multiple-output (MIMO) antennas in conjunction with orthogonal frequency-division multiplexing (OFDM) operating over frequency-selective ... See full document

... Orthogonal frequency division multiplexing (OFDM) is a widely used modulation and multiplexing technology, which has become the basis of many telecommunications standards including wireless local area ... See full document

... typical OFDM wireless communication system is shown in ...one OFDM symbol comprises of N data symbols, the number of subcarriers are ...Each OFDM symbol is converted to time domain using an inverse ... See full document

... the frequency-domain version, be- cause it seems more natural for OFDM block ...each OFDM block, does not force us to insert pilot-blocks in the time do- main between OFDM ...current ... See full document