Carrier Frequency Synchronization of LDPC Coded Transmissions in High Dynamic Environments

Y Xu, H **ong, G Yang, H Zhou - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Modern communication systems based on LDPC coded data transmission enable the
operations at low signal-to-noise ratio (SNR) conditions, close to the Shannon limit, where …

Effectiveness study of code-aided and non-code-aided ML-based feedback phase synchronizers

N Noels, H Steendam… - 2006 IEEE International …, 2006 - ieeexplore.ieee.org
This paper investigates the effectiveness of a (non-) code-aided ML-based FB phase
synchronizer at the low operating signal-to-noise ratio of capacity-approaching codes. We …

Closed-form CRLBs for SNR estimation from turbo-coded BPSK-, MSK-, and square-QAM-modulated signals

F Bellili, A Methenni, S Affes - IEEE transactions on signal …, 2014 - ieeexplore.ieee.org
In this contribution, we derive for the first time the closed-form expressions for the Cramér-
Rao lower bounds (CRLBs) of the signal-to-noise ratio (SNR) estimates from BPSK-, MSK …

Message passing algorithms for phase noise tracking using Tikhonov mixtures

S Shayovitz, D Raphaeli - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Phase noise poses a serious challenge for high-speed digital communications systems
mainly when going to higher and higher carrier frequencies, such as in satellite …

Near optimum low complexity smoothing loops for dynamical phase estimation—Application to BPSK modulated signals

J Yang, B Geller - IEEE Transactions on Signal Processing, 2009 - ieeexplore.ieee.org
This correspondence provides and analyzes a low complexity, near optimum, fixed-interval
smoothing algorithm that approaches the performance of an optimal smoother for the price …

Code-aided DOA estimation from turbo-coded QAM transmissions: Analytical CRLBs and maximum likelihood estimator

F Bellili, C Elguet, SB Amor, S Affes… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we address the problem of direction of arrival (DOA) estimation from turbo-
coded square-QAM-modulated transmissions. We devise a new code-aware direction …

Smoothing PLLs for QAM dynamical phase estimation

J Yang, B Geller, C Herzet… - 2009 IEEE International …, 2009 - ieeexplore.ieee.org
This paper presents a near-optimum, low-complexity, fixed-interval smoothing algorithm that
approaches the performance of an optimal smoother for the price of two low-complexity …

Direct-sequence spread spectrum with signal space diversity for high resistance to jamming

T Arbi, B Geller, OP Pasquero - MILCOM 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
Jamming attacks can severely limit wireless networks availability and can cause serious
damage, in particular for tactical applications. Over the past decades, Direct-Sequence …

Frequency-Fresnel Domain Equalization for Underwater Acoustic OCDM Systems

T Arbi, B Geller - OCEANS 2024-Halifax, 2024 - ieeexplore.ieee.org
Orthogonal Chirp Division Multiplexing (OCDM) is a promising multi-carrier modulation for
Underwater Acoustic (UWA) systems, as several low complexity OCDM receivers capable of …

Performance analysis of ML-based feedback carrier phase synchronizers for coded signals

N Noels, H Steendam… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
This paper considers carrier phase recovery in transmission systems with an iteratively
decodable error-control code [turbo codes, low-density parity check (LDPC) codes], whose …