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Journal Article
Effects of Carrier Phase Estimation on Front-End IQ Mismatch Compensation in Mode Division Multiplexed MIMO Coherent Receiver
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- Authors
- Hwan Seok Chung, Sun Hyok Chang, Kwangjoon Kim, Jong Hyun Lee
- Issue Date
- 2014-01
- Citation
- Optical Fiber Technology, v.20, no.1, pp.1-6
- ISSN
- 1068-5200
- Publisher
- Elsevier
- Language
- English
- Type
- Journal Article
- Abstract
- The effects of carrier phase estimation on IQ mismatch compensation are investigated and compared for coherent MIMO optical receiver. We investigate the impacts of phase IQ mismatch on required optical signal-to-noise ratio (OSNR) for coherent MIMO detection. The impacts of number of modes and analog-to-digital converter (ADC) resolution are also evaluated. The results show that decision-directed carrier phase estimator could compensate significant amount of IQ mismatch without employing additional compensation technique, and relaxes requirement of ADC resolution. © 2013 Elsevier Inc. All rights reserved.
- KSP Keywords
- Analog-to-digital converters(ADCs), Coherent MIMO, Coherent receiver, Front-End, IQ mismatch, MIMO detection, Mismatch compensation, Mode division multiplexing(MDM), Optical Receiver, Signal noise ratio(SNR), analog-to-digital converter (ADC) resolution