Browse > Article
http://dx.doi.org/10.6109/JKIICE.2009.13.4.629

Design and implementation of remote controlling wireless transmission unit using duplex-FSK  

Kim, Young-Wan (군산대학교 방송매체학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.13, no.4, 2009 , pp. 629-635 More about this Journal
Abstract
The FSK duplex remote controlling wireless transmission units with a common local oscillator circuit for transmitter and receiver are designed and implemented in this paper. In the FSK full-duplex the channel frequency for Tx/Rx is allocated, a common switching oscillator circuit for Tx/Rx is designed in the FSK half-duplex scheme. Both of FSK units get functions of automatic channel detection for busy channels and channel configuration for an idle channel in order to reduce the RF channel interference and are designed as a remote controller with small-sized low power of 10mW and the 400MHz-colpitz type PLL configuration of 50kHz channel separation. The full-duplex Tx/Rx link frequency gets frequency difference of 42.8MHz, which is double of 21.4MHz IF frequency.
Keywords
FSK duplex; Remote controller; Wireless communication transmission unit;
Citations & Related Records
연도 인용수 순위
  • Reference
1 J. G. Proakis, Digital Communications, 3rd ed, New York: McGraw-hill, 1995
2 Jung, L,H, et al, "A Dual Band Wireless Power and FSK Data Telemetry for Biomedical Implants", Conf. on Engineering in Medicine and Biology Societ (EMBS), pp. 6596-6599, Aug. 2007
3 Ghovanloo, M and Najafi, K., 'A wideband frequency-shift keying wireless link for inductively powered biomedical implants', IEEE Trans. on Circuits and Systems I, vol. 51, no. 12, pp. 2374-2383, 2004   DOI   ScienceOn
4 Chen, C, Huang, E, White, B, "A mixed analog digital secondary channel FSK modem", in Digest of Technical Papers of Conf. on Solid- State Circuits, pp. 266-267, Feb. 1989
5 http://www.rfm.com
6 Ro-Min Weng, Shu-Ya Li, J.C. Wang, "Low Power Frequency-shift keying Demodulators for Biomedical Implants", Conf. on Electron Devices and Solid-State Circuits (EDSSC), pp. 1079-1082, Dec. 2007
7 http://www.analog.com