Title :
Pre-equalization for 10 Gsymbol/s 16-QAM in a vector modulator
Author :
Kamio, Yukiyoshi ; Nakamura, Moriya ; Miyazaki, Tetsuya
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol., Tokyo
Abstract :
We investigated the performance of electronic pre-equalization to compensate for inter-symbol-interference in electrical 16-QAM in a vector modulator. Drastic improvement in the constellation was experimentally confirmed by applying digital filtering with the minimum necessary taps.
Keywords :
digital filters; equalisers; intersymbol interference; modulators; quadrature amplitude modulation; 16-QAM; digital filtering; electronic pre-equalization; intersymbol-interference; vector modulator; Amplitude modulation; Demodulation; Digital filters; Digital modulation; Equalizers; Intersymbol interference; Light sources; Optical signal processing; Optical transmitters; Quadrature amplitude modulation;
Conference_Titel :
IEEE/LEOS Summer Topical Meetings, 2008 Digest of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1925-8
Electronic_ISBN :
1099-4742
DOI :
10.1109/LEOSST.2008.4590505
