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[PDF] Top 20 Frequency-domain interpolation-based channel estimation in pilot-aided OFDM systems

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Frequency-domain interpolation-based channel estimation in pilot-aided OFDM systems

Frequency-domain interpolation-based channel estimation in pilot-aided OFDM systems

... 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

5

Channel estimation for OFDM systems based on comb-type pilot arrangement in frequency selective fading channels

Channel estimation for OFDM systems based on comb-type pilot arrangement in frequency selective fading channels

... 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

9

Pilot-Aided Multicarrier Wireless Channel Estimation via MMSE Polynomial Interpolation

Pilot-Aided Multicarrier Wireless Channel Estimation via MMSE Polynomial Interpolation

... Abstract—Orthogonal frequency division multiplexing (OFDM) and multiple access (OFDMA) signal receivers often employ pilot-aided channel ...is frequency-domain polynomial ... See full document

5

Pilot-Aided Multicarrier Channel Estimation via MMSE Linear Phase-Shifted Polynomial Interpolation

Pilot-Aided Multicarrier Channel Estimation via MMSE Linear Phase-Shifted Polynomial Interpolation

... multicarrier systems commonly adopt pilot-aided channel estimation, for which a simplest and least restrictive technique is polynomial interpolation in the ... See full document

11

Pilot-Based LMMSE Channel Estimation for OFDM Systems With Power-Delay Profile Approximation

Pilot-Based LMMSE Channel Estimation for OFDM Systems With Power-Delay Profile Approximation

... LMMSE channel-estimation technique for multicarrier transmission with interspersed pilots among data ...LMMSE channel estimation. Operating on frequency-domain quantities, it is ... See full document

10

Pilot-assisted maximum-likelihood frequency-offset estimation for OFDM systems

Pilot-assisted maximum-likelihood frequency-offset estimation for OFDM systems

... the 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 performance ... See full document

12

Interpolation-Based QR Decomposition and Channel Estimation Processor for MIMO-OFDM System

Interpolation-Based QR Decomposition and Channel Estimation Processor for MIMO-OFDM System

... and Channel Estimation Processor for MIMO-OFDM System Po-Lin Chiu, Member, IEEE, Lin-Zheng Huang, Li-Wei Chai, and Yuan-Hao Huang, Member, IEEE Abstract—This paper presents a modified ... See full document

13

Channel interpolation and MMSE multi-input multi-output frequency-domain DFE for wireless data communications using OFDM

Channel interpolation and MMSE multi-input multi-output frequency-domain DFE for wireless data communications using OFDM

... for OFDM that can very effectively eliminate the need of the ...conventional frequency-domain equalizers, the proposed FDDFE requires an estimate of the time-domain impulse response of the ... See full document

5

Model-based channel estimation for OFDM signals in Rayleigh fading

Model-based channel estimation for OFDM signals in Rayleigh fading

... robust OFDM channel estimation scheme with excellent BEP ...is based on a nonlinear regression on the local time–frequency domain; it is of low complexity and does not need ... See full document

5

Optimal delay estimation for phase-rotated linearly interpolative channel estimation in OFDM and OFDMA systems

Optimal delay estimation for phase-rotated linearly interpolative channel estimation in OFDM and OFDMA systems

... interpolative channel estimation technique for multicarrier ...the channel frequency response between two nearby subcarriers as the product of a linear function and a linear-phase factor, ... See full document

4

Blind Channel Estimation with Periodicity for OFDM Systems without Cyclic Prefix

Blind Channel Estimation with Periodicity for OFDM Systems without Cyclic Prefix

... 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 SISO-OFDM ... See full document

4

A Derivation on the Equivalence Between Newton's Method and DF DFT-Based Method for Channel Estimation in OFDM Systems

A Derivation on the Equivalence Between Newton's Method and DF DFT-Based Method for Channel Estimation in OFDM Systems

... (DFT)-based channel es- timation method derived from the maximum likelihood (ML) criterion is originally proposed for orthogonal frequency division multiplexing (OFDM) systems with ... See full document

6

A complementary codes pilot-based transmitter diversity technique for OFDM systems

A complementary codes pilot-based transmitter diversity technique for OFDM systems

... of channel estimation. In this letter, we suggest that complementary codes (CC) can be used as pilot signals and transmitted in time domain for the purpose of channel ... See full document

5

Channel Estimations Schemes for OFDM Radio Systems with Pilot Channels 劉允中、李金椿

Channel Estimations Schemes for OFDM Radio Systems with Pilot Channels 劉允中、李金椿

... The channel estimation schemes of the OFDM systems with pilot channels are investigate for frequency selective fading ...linear interpolation and weight ... See full document

2

Subspace-MMSE blind channel estimation for multiuser OFDM with receiver diversity

Subspace-MMSE blind channel estimation for multiuser OFDM with receiver diversity

... method, in particular, has also been applied to channel estimation for single-user OFDM systems ...proposed in [4] to directly estimate the frequency-domain ... See full document

5

Iterative ML estimation for frequency offset and time synchronization in OFDM systems

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

Adaptive Frequency-Domain Channel Estimator in 4 x 4 MIMO-OFDM Modems

Adaptive Frequency-Domain Channel Estimator in 4 x 4 MIMO-OFDM Modems

... Subcarrier frequency allocation. B. Adaptive Frequency-Domain Channel Estimator ...subcarrier frequency allocation. Each OFDM symbol employs 64 subcarriers, 52 are data carriers ... See full document

10

Pilot-channel-aided successive interference cancellation for uplink WCDMA systems

Pilot-channel-aided successive interference cancellation for uplink WCDMA systems

... WCDMA Systems Chih-Hsuan Tang, Student Member, IEEE, and Che-Ho Wei, Fellow, IEEE Abstract—In this paper, a pilot-channel-aided successive- interference-cancellation (SIC) scheme for ... See full document

18

Statistical covariance-matching based blind channel estimation for zero-padding MIMO-OFDM systems

Statistical covariance-matching based blind channel estimation for zero-padding MIMO-OFDM systems

... covariance-matching based blind channel estimation scheme for zero-padding (ZP) multiple- input multiple-output (MIMO)–orthogonal frequency division multiplexing (OFDM) ...Toeplitz ... See full document

9

Blind Channel Estimation with Periodicity for OFDM Systems without Cyclic Prefix

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

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