A CDMA scheme based on perfect Gaussian integer sequences

HH Chang, SC Lin, CD Lee - AEU-International Journal of Electronics and …, 2017 - Elsevier
Both m-sequences and Gold sequences have been applied as the pseudonoise (PN) code
in the code division multiple access (CDMA) scheme to enable distinct users to …

Blind channel shortening for MC-CDMA systems by restoring the orthogonality of spreading codes

T Miyajima, M Kotake - IEEE Transactions on Communications, 2015 - ieeexplore.ieee.org
This study considers blind channel shortening to mitigate the effects of inter-block
interference and multiple-access interference in both uplink and downlink multicarrier code …

Parameter estimation of MC-CDMA signals based on modified cyclic autocorrelation

T Zhang, W Qian, G Zhang, F Ye, C Gao… - Digital Signal Processing, 2016 - Elsevier
An algorithm, based on frequency domain accumulation for the cyclic autocorrelation of MC-
CDMA signals, is proposed to estimate the signal parameters: useful data duration, symbol …

Interference cancellation with space diversity for downlink MC-CDMA systems

BA Al-Fuhaidi, HEA Hassan, MM Salah - Wireless personal …, 2014 - Springer
Modern wireless communications require an efficient spectrum usage and high channel
capacity and throughput. Multiple-input and multiple-output (MIMO), Linear equalizers, multi …

Low complexity joint blind equalization and CFO estimation for MC-CDMA system

R Masmoudi, AB Djebbar, I Dayoub - Wireless Personal Communications, 2017 - Springer
Based on the orthogonality between the used and the unused spreading codes (excess
codes) subspaces in one hand and on the restoration of guard interval redundancy of …

Carrier frequency offset estimation in MC-DS-CDMA systems with zero-IF receivers

B Akbil, B Nsiri, G Ferre… - 2010 5th International …, 2010 - ieeexplore.ieee.org
A new method for frequency synchronization based upon Zero-Intermediate Frequency
(zero-IF) receiver and characteristics of the received signal's power spectrum for MC-DS …

Quasi-convexity of the asymptotic channel MSE in regularized semi blind estimation

A Kammoun, K Abed-Meraim… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
In this paper, the quasi-convexity of a sum of quadratic fractions in the form Σ i= 1 n [(1+ ci x
2)/((1+ dix) 2)] is demonstrated where ci and di are strictly positive scalars, when defined on …

Joint channel shortening and carrier frequency offset estimation based on carrier nulling criterion in downlink OFDMA systems

T Miyajima, R Kuwana - IEICE Transactions on Fundamentals of …, 2013 - search.ieice.org
In this letter, we present a joint blind adaptive scheme to suppress inter-block interference
and estimate a carrier frequency offset (CFO) in downlink OFDMA systems. The proposed …

TEQ Equalization in Presence of CFO for MC-CDMA System

R Masmoudi, AB Djebbar - Advanced Control Engineering Methods in …, 2019 - Springer
Recently, many blind and non-blind methods that equalize the channel in the time domain to
remove Inter Block Interference (IBI) don't consider the presence of the Carrier Frequency …

[PDF][PDF] Belal A. Al-fuhaidi, Hossam Eldin

A Hassan, MM Salah - researchgate.net
Modern wireless communications require an efficient spectrum usage and high channel
capacity and throughput. Multiple-input and multiple-output (MIMO), Linear equalizers, multi …