[PDF] Top 20 Maximum Likelihood Timing and Carrier Frequency Offset Estimation for OFDM Systems With Periodic Preambles
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Maximum Likelihood Timing and Carrier Frequency Offset Estimation for OFDM Systems With Periodic Preambles
... preamble with more than two pe- riods is ...a maximum likelihood (ML) CFO estimation method for such ...method and then maximizes the corresponding likelihood ... See full document
14
Pilot-assisted maximum-likelihood frequency-offset estimation for OFDM systems
... channel’s maximum delay spread is shorter than the length of the cyclic ...Doppler frequency of approximately 463 Hz when the carrier frequency is 5 GHz, we plot the corresponding MSE ... See full document
12
Blind Maximum-Likelihood Carrier-Frequency-Offset Estimation for Interleaved OFDMA Uplink Systems
... Abstract—Blind maximum-likelihood (ML) carrier-frequency- offset (CFO) estimation is considered to be difficult in interleaved orthogonal frequency-division ... See full document
14
Estimation of carrier frequency offset with I/Q mismatch using pseudo offset injection in OFDM systems
... typical OFDM system based on IEEE 802.11g for WLAN was adopted as a reference-design platform to evaluate the per- formance of the proposed ...were OFDM symbol length 64 and cyclic prefix ... See full document
10
Maximum-likelihood estimation of frequency and time offsets in OFDM systems with multiple sets of identical data
... accurate estimation of the frequency offset is ...approaches for the frequency-offset estimation using the pre- amble data [6], [7], the cyclic prefix data [8], [9], or the ... See full document
5
A low-complexity frame synchronization and frequency offset compensation scheme for OFDM systems over fading channels
... RMS frequency error as a function of SNR. maximum-likelihood frequency estimator is also improved by extending the observation ...low-complexity frequency detector is the quantization ... See full document
14
Joint weighted least squares estimation of frequency and timing offset for OFDM systems over fading channels
... The carrier frequency offset can he estimated by first calculating the pilot-suhcarrier phase difference between two OFDM symbols, removing the quantity contributed by the [r] ... See full document
5
Iterative ML estimation for frequency offset and time synchronization in OFDM systems
... According to the proposed iterative approaching algorithm, the global maximum of log-likelihood function can be definitely found to achieve both frequency and time synchronization[r] ... See full document
6
Performance of Noncoherent Maximum-Likelihood Sequence Detection for Differential OFDM Systems With Diversity Reception
... NSD and its three special cases, namely, the CR, DR, and ...NSD and its spe- cial cases are also presented. Then the NSD and its special cases are applied to the differential OFDM ... See full document
9
A fully digital noncoherent and coherent GMSK receiver architecture with joint symbol timing error and frequency offset estimation
... radio frequency (RF) to baseband and the real and imaginary compo- nents of the base-band complex signal are and ...digitally frequency discriminated, and low-pass filtered to ... See full document
12
An iterative maximum SINR receiver for multicarrier CDMA systems over a multipath fading channel with frequency offset
... despreading and MAI suppression, and pilot symbols assisted frequency offset estimation, channel vector estimation and RAKE combining give the desired signal ...symbols. ... See full document
10
Data-Aided Maximum Likelihood Synchronization for OFDM Systmes
... prefix with the preamble/pilot to propose three data- aided frequency offset estimation algorithms based on maximum likelihood ...domain and the observation ...part ... See full document
6
An approximately MAI-free multiaccess OFDM system in carrier frequency offset environment
... to timing mismatch among ...small timing mismatch among users will result in great MAI even if the channel is ...perfect. For instance, consider the case with processing gain ...the ... See full document
15
Blind SNR Estimation with Coherent Function for OFDM Systems
... Member and Sau-Gee CHEN † , Member SUMMARY In OFDM receivers, an accurate signal-to-noise ratio (SNR) estimation is desirable for all sorts of operations involved in high- performance baseband ... See full document
4
Novel sampling clock offset estimation for DVB-T OFDM
... clock offset estimation and compensation are important problems in an OFDM ...clock offset can cause a severe drift in symbol-timing, thus causing inter-carrier and ... See full document
5
9.1 Maximum Likelihood Estimation : Motivation and Examples
... Point Estimation In this chapter, the basic terminology and concepts of parametric point estimation were introduced ...of estimation to be discussed here are those listed in the first section ... See full document
12
Nonparametric maximum likelihood estimation for dependent truncation data based on copulas
... methods for analyzing such data critically rely on the assumption that the truncation variable is quasi-independent of the variable of ...a likelihood-based inference approach under the assumption that the ... See full document
18
Blind Channel Estimation with Periodicity for OFDM Systems without Cyclic Prefix
... method for CP-free OFDM systems which applies the VCs, referred to as the Li method hereafter, was presented in ...constructed for SISO-OFDM systems without oversampling ... See full document
4
Blind Channel Estimation with Periodicity for OFDM Systems without Cyclic Prefix
... Using the time-domain periodicity, which can be obtained by inserting zeros at some positions of frequency-domain OFDM symbols, a method for constructing the noise subspace is develop[r] ... See full document
1
Joint synchronization, channel length estimation, and channel estimation for the maximum likelihood sequence estimator for high speed wireless communications
... channel estimation algorithms preset a fixed length for the channel. For wireless communications, however, the actual length of the channel is ...value for the length of the channel estimator ... See full document
5
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