DocumentCode :
3529300
Title :
Time and frequency synchronization for ultra-high speed OFDM systems
Author :
Dreschmann, Michael ; Meyer, Joachim ; Hübner, Michael ; Schmogrow, Rene ; Hillerkuss, David ; Becker, Jürgen ; Leuthold, Juerg ; Freude, Wolfgang
Author_Institution :
Inst. of Inf. Process. Technol., Karlsruhe Inst. of Technol. (KIT), Karlsruhe, Germany
fYear :
2012
fDate :
Jan. 30 2012-Feb. 2 2012
Firstpage :
871
Lastpage :
875
Abstract :
In this paper we present a novel approach for time and frequency synchronization of ultra-high speed OFDM systems processing over 78 million symbols per second. A possible application domain of such OFDM systems is located in optical access networks like fibre to the home which are expected to become widely used in several years. The communication channel characteristics of a glass fibre posses lower demands to the synchronization algorithms compared to a wireless communication channel because carrier frequencies and phases at the receiver change slower and there are nearly no signal reflections. In order to achieve very high data rates of up to 50 GBit/s the concept introduced in this paper exploits the special channel characteristics of a glass fibre in order to reduce the required processing power. A realisation of this concept was implemented for Xilinx Virtex-6 FPGAs to prove its feasibility with technology available today.
Keywords :
OFDM modulation; field programmable gate arrays; frequency division multiple access; optical fibre networks; optical receivers; synchronisation; telecommunication channels; Xilinx Virtex-6 FPGA; communication channel characteristics; fibre to the home networks; frequency synchronization algorithm; glass fibre; optical access network; orthogonal frequency division multiple access; time synchronization algorithm; ultra-high speed OFDM system; Downlink; Field programmable gate arrays; OFDM; Optical transmitters; Oscillators; Receivers; Synchronization; FPGA; High Speed; OFDM; Optical communication; Pilot Tones; Synchronization;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Computing, Networking and Communications (ICNC), 2012 International Conference on
Conference_Location :
Maui, HI
Print_ISBN :
978-1-4673-0008-7
Electronic_ISBN :
978-1-4673-0723-9
Type :
conf
DOI :
10.1109/ICCNC.2012.6167549
Filename :
6167549
Link To Document :
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