A wireless infrared system using a dual-band receiver and a pulse width on-off keying modulation scheme
- Authors
- Lim, Kyusam; Kim, Suki; Baek, Kwang-Hyun
- Issue Date
- Aug-2011
- Publisher
- SPRINGER
- Keywords
- Wireless infrared communication; Modulation; Dual-band receiver; Infrared signal processing; Subcarrier intensity modulation
- Citation
- ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, v.68, no.2, pp 183 - 192
- Pages
- 10
- Journal Title
- ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING
- Volume
- 68
- Number
- 2
- Start Page
- 183
- End Page
- 192
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/48981
- DOI
- 10.1007/s10470-011-9600-2
- ISSN
- 0925-1030
1573-1979
- Abstract
- In this paper, we propose a dual-band infrared receiver and a pulse width on-off keying (PWOOK) modulation scheme for wireless systems. The dual-band receiver recovers the signal from two different subcarrier waves: 37.9 kHz for the conventional remote control systems and 113.7 kHz for the human interface device (HID) applications which require relatively fast data-transfer-rate and high infrared noise immunity under various optical environments. The PWOOK modulation scheme is a combined form of the pulse width modulation (PWM) and the on-off keying (OOK) using the subcarrier intensity-modulated (SIM) infrared signal. This paper also describes a wireless infrared system that is designed with the proposed dual-band infrared receiver and the PWOOK modulation scheme to demonstrate practical use of them. The dual-band infrared receiver is fabricated in a 0.5 mu m CMOS process and the PWOOK modulation scheme transfers data at average bit-transfer-rate of 2.75 kbit/s through the wireless infrared link.
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Collections - College of ICT Engineering > School of Electrical and Electronics Engineering > 1. Journal Articles
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