A Novel Quadrature-Tracking Demodulator for LTE-A Applications
Joint Authors
Source
Wireless Communications and Mobile Computing
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-01-02
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Information Technology and Computer Science
Abstract EN
This work develops an advanced quadrature-tracking demodulation technique for coherently demodulating the orthogonal frequency-division multiplexing (OFDM) signal of LTE-A systems.
To overcome the fact that traditional coherent demodulators are extremely sensitive to the quadrature imbalance of a system, especially an OFDM system, the proposed architecture uses a novel quadrature phase-locked loop (QPLL) to track simultaneously the in phase (I-phase) and the quadrature phase (Q-phase) of the received signal.
This advanced quadrature-tracking demodulator is realized using TSMC 0.18 μm CMOS technology and hybrid circuits.
Experimental results indicate that the developed quadrature-tracking demodulator, which operates at 2.1~2.5 GHz, can effectively demodulate an 18 Mbps LTE-A signal, even with a 15 degree quadrature imbalance.
American Psychological Association (APA)
Peng, Kang-Chun& Lee, Chan-Hung. 2018. A Novel Quadrature-Tracking Demodulator for LTE-A Applications. Wireless Communications and Mobile Computing،Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1216340
Modern Language Association (MLA)
Peng, Kang-Chun& Lee, Chan-Hung. A Novel Quadrature-Tracking Demodulator for LTE-A Applications. Wireless Communications and Mobile Computing No. 2018 (2018), pp.1-8.
https://search.emarefa.net/detail/BIM-1216340
American Medical Association (AMA)
Peng, Kang-Chun& Lee, Chan-Hung. A Novel Quadrature-Tracking Demodulator for LTE-A Applications. Wireless Communications and Mobile Computing. 2018. Vol. 2018, no. 2018, pp.1-8.
https://search.emarefa.net/detail/BIM-1216340
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1216340