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16-QAM-Based Highly Spectral-Efficient E-band Communication System with Bit Rate up to 10 Gbps.
- Source :
- ETRI Journal; Oct2012, Vol. 34 Issue 5, p649-654, 6p
- Publication Year :
- 2012
-
Abstract
- This paper presents a novel 16-quadrature-amplitude- modulation (QAM) E-band communication system. The system can deliver 10 Gbps through eight channels with a bandwidth of 5 GHz (71-76 GHz/81-86 GHz). Each channel occupies 390 MHz and delivers 1.25 Gbps using a 16-QAM. Thus, this system can achieve a bandwidth efficiency of 3.2 bit/s/Hz. To implement the system, a driver amplifier and an RF up-/down-conversion mixer are implemented using a 0.1 µm gallium arsenide pseudomorphic high-electron-mobility transistor (GaAs pHEMT) process. A single-IF architecture is chosen for the RF receiver. In the digital modem, 24 square root raised cosine filters and four (255, 239) Reed-Solomon forward error correction codecs are used in parallel. The modem can compensate for a carrier-frequency offset of up to 50 ppm and a symbol rate offset of up to 1 ppm. Experiment results show that the system can achieve a bit error rate of 10<superscript>-5</superscript> at a signal-to-noise ratio of about 21.5 dB. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 12256463
- Volume :
- 34
- Issue :
- 5
- Database :
- Supplemental Index
- Journal :
- ETRI Journal
- Publication Type :
- Academic Journal
- Accession number :
- 82393336
- Full Text :
- https://doi.org/10.4218/etrij.12.0111.0815