Title :
Channel equalization based on QR decomposition in direct detection optical DFT-S OFDM
Author :
Xiang Li ; Wen-De Zhong ; Alphones, Arokiaswami ; Changyuan Yu ; Zhaowen Xu
Author_Institution :
Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore
Abstract :
We propose a QR decomposition based channel equalizer in DDO DFT-S OFDM. A higher tolerance to CD and PMD induced power fading than conventional equalizer is achieved through an iterative sequence detection of OFDM symbols.
Keywords :
OFDM modulation; optical communication equipment; signal detection; QR decomposition; channel equalization; direct detection; direct-detection optical OFDM; iterative sequence detection; optical DFT-S OFDM; Bit error rate; Discrete Fourier transforms; Fading; Matrix decomposition; Modulation; OFDM; Optical transmitters;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
