Kalman filter based channel tracking for RIS-assisted multi-user networks

D Yu, G Zheng, A Shojaeifard… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
In this paper, we investigate channel estimation in a reconfigurable intelligent surface (RIS)
assisted multi-user network while taking the mobility of users into consideration. Based on a …

On bounds and algorithms for frequency synchronization for collaborative communication systems

PA Parker, P Mitran, DW Bliss… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
Cooperative diversity systems are wireless communication systems designed to exploit
cooperation among users to mitigate the effects of multipath fading. In fairly general …

Coordinated multi-cell systems: Carrier frequency offset estimation and correction

BW Zarikoff, JK Cavers - IEEE Journal on Selected Areas in …, 2010 - ieeexplore.ieee.org
We consider a coordinated multi-cell (CMC) system and the associated problem of
independent carrier frequency offsets (CFOs) at the basestations (BSs). These BS CFOs …

Multiple frequency offset estimation for the downlink of coordinated MIMO systems

BW Zarikoff, JK Cavers - IEEE Journal on Selected Areas in …, 2008 - ieeexplore.ieee.org
We consider downlink MIMO beamforming from several coordinated basestations (BSs), and
the associated problem of in dependent carrier frequency offsets (CFOs) at the BSs which …

Correction of carrier frequency offsets in OFDM-based spatial multiplexing MIMO with distributed transmit antennas

K Deng, Y Tang, S Shao, K Sun - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
This correspondence focuses on the correction of carrier frequency offsets (CFOs) in
orthogonal frequency-division multiplexing (OFDM)-based spatial multiplexing multi-input …

Estimation algorithms of multiple channels and carrier frequency offsets in application to multiuser OFDM systems

L Haring, S Bieder, A Czylwik… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
This paper introduces new joint estimation methods of multiple carrier frequency offsets
(CFOs) and channel impulse responses (CIR) in application to multiuser orthogonal …

A joint channel and frequency offset estimator for the downlink of coordinated MIMO-OFDM systems

YJ Liang, GL Stuber, JF Chang… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
The issues of frequency offset and channel estimation are considered for the downlink of
coordinated multiple-input multiple-output orthogonal frequency-division multiplexing …

[PDF][PDF] Multiple CFOs in OFDM-SDMA uplink: Interference analysis and compensation

M Schellmann, V Jungnickel - EURASIP Journal on Wireless …, 2009 - Springer
In OFDM-based space division multiple access (SDMA) systems, multiple users are served
by a multiantenna base station simultaneously on the same frequency resources. In the …

Iterative (turbo) estimation and detection techniques for frequency-selective channels with multiple frequency offsets

Q Yu, S Lambotharan - IEEE Signal Processing Letters, 2007 - ieeexplore.ieee.org
We propose an iterative channel estimation and data detection technique for frequency
selective channels with multiple frequency offsets (FOs). The pilot symbols are generally …

Carrier frequency offset in coordinated multibase mimo narrowband systems

B Zarikoff, JK Cavers - VTC Spring 2008-IEEE Vehicular …, 2008 - ieeexplore.ieee.org
The effect of carrier frequency offset (CFO) in a coordinated multibase MIMO downlink
system is considered. We begin with evidence that uncompensated base station (BS) CFOs …