Title
Frame synchronization in frequency uncertainty
Abstract
This paper addresses the problem of robust frame synchronization for TDM/TDMA systems in the presence of frequency errors, accomplished through data-aided recognition of the Unique Word (UW) preamble in the transmission flow. Robust detection design is performed applying, through approximations, the Maximum Likelihood (ML) criterion coupled to Post Detection Integration (PDI), to obtain a novel detector identified as Balanced-GPDI (B-GPDI). This new approach considerably outperforms other schemes available in the literature, at the cost of a moderate complexity increase. This is possible thanks to an optimized use of coherent accumulation, which enhances the correlation term in the decision variable, along with highly accurate modeling of the energy correction factor. To limit complexity increase and memory requirements, several approximations of the exact B-GPDI are proposed and discussed in the paper, to provide the designer with practical solutions that are still able to outperform other approaches in specific application scenarios. In particular, approximations for low and high Signal-to-Noise Ratio (SNR) are presented. Different application scenarios are considered in the paper for numerical analysis. In particular, the cases of forward link Continuous Transmission (CTX) and return link Burst Transmission (BTX) are addressed.
Year
DOI
Venue
2010
10.1109/TCOMM.2010.04.080350
IEEE Transactions on Communications
Keywords
Field
DocType
maximum likelihood,continuous transmission,robust frame synchronization,robust detection design,different application scenario,moderate complexity increase,frequency uncertainty,specific application scenario,complexity increase,return link burst transmission,exact b-gpdi,uncertainty,synchronisation,time division multiple access,frame synchronization,synchronization,robustness,detectors,numerical analysis,signal to noise ratio,couplings,time division multiplexing
Synchronization,Computer science,Control theory,Signal-to-noise ratio,Frame synchronization,Burst switching,Robustness (computer science),Electronic engineering,Frame rate,Time-division multiplexing,Burst transmission
Journal
Volume
Issue
ISSN
58
4
0090-6778
Citations 
PageRank 
References 
12
0.84
16
Authors
6
Name
Order
Citations
PageRank
R. Pedone19510.91
M. Villanti210011.91
Alessandro Vanelli-Coralli338549.52
Giovanni Emanuele Corazza438248.58
P. Takis Mathiopoulos554650.55
Vanelli-Coralli, A.6162.07