Robust synchronization for OFDM employing Zadoff-Chu sequence

MMU Gul, S Lee, X Ma - 2012 46th Annual Conference on …, 2012 - ieeexplore.ieee.org
Zadoff-Chu (ZC) sequences have been proposed for time synchronization of OFDM systems
due to their ideal correlation properties. In this paper, we examine the performance of ZC …

Neighboring cell search for LTE systems

Y Shen, T Luo, MZ Win - IEEE Transactions on Wireless …, 2012 - ieeexplore.ieee.org
Long term evolution (LTE) is considered to be a key technology for the next generation of
cellular telecommunications. In LTE systems, each user equipment (UE) detects the …

Carrier frequency offset estimation for OFDM direct-conversion receivers

M Morelli, M Moretti - IEEE transactions on wireless …, 2012 - ieeexplore.ieee.org
We investigate the problem of carrier frequency offset (CFO) recovery in an OFDM direct-
conversion receiver plagued by both dc-offset and frequency-selective I/Q imbalance. In …

Joint time and frequency offset estimation in LTE downlink

S Huang, Y Su, Y He, S Tang - 7th International Conference on …, 2012 - ieeexplore.ieee.org
Time and frequency synchronization is very critical in LTE downlink. This paper proposed a
joint time and frequency synchronization algorithm to estimate the carrier frequency offset …

Multiple CFO mitigation in amplify-and-forward cooperative OFDM transmission

Y Yao, X Dong - IEEE transactions on communications, 2012 - ieeexplore.ieee.org
In cooperative orthogonal frequency division multiplexing (OFDM) systems, accurate
frequency synchronization is critical to achieving any potential gains brought by the …

Synchronization time difference measurements in OFDM systems

R Baldemair, MA Kazmi, B Lindoff - US Patent 8,102,754, 2012 - Google Patents
Disclosed herein are methods and devices for determining a received time difference
between a first OFDM signal received from a first base station and a second OFDM signal …

Optimized joint timing synchronization and channel estimation for OFDM systems

TL Kung, KK Parhi - IEEE Wireless Communications Letters, 2012 - ieeexplore.ieee.org
This paper addresses training-sequence-based joint timing synchronization and channel
estimation for orthogonal frequency division multiplexing (OFDM) systems. The proposed …

Data-aided chromatic dispersion estimation for polarization multiplexed optical systems

CC Do, AV Tran, C Zhu, S Chen… - IEEE photonics …, 2012 - ieeexplore.ieee.org
We propose a full transmission link chromatic dispersion (CD) estimation technique for
polarization-multiplexed coherent optical single carrier system using data-aided channel …

Data-aided synchronization for OFDM/OQAM systems

D Mattera, M Tanda - Signal Processing, 2012 - Elsevier
The paper deals with the problem of preamble-based synchronization for OFDM/OQAM
systems. Specifically, by exploiting the conjugate-symmetry property of a recently proposed …

Integer frequency offset estimation for OFDM systems with residual timing offset over frequency selective fading channels

D Li, Y Li, H Zhang, LJ Cimini… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Accurate integer frequency offset (IFO) estimation is crucial for orthogonal frequency-division
multiplexing (OFDM) systems, particularly in the presence of frequency-selective fading and …