Digital IF Up/Down Converter for IEEE802.11a 


Vol. 27,  No. 12, pp. 1181-1190, Dec.  2002


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  Abstract

The under-sampling technique for a bandpass signal is one of the effective methods to overcome the limil of the sampling-rate of the high-speed analog-tn-digital conveter (ADC) in a digital intermediate frequency (IF) down-conversion process. Considering the amount of the date to be processed. we often employ this technique with relalively narrowband signals. For the reconfigurable transceiver systems such as software defined radio (SDR) supporting the multi-modes and multi-standards, however, not only the digital IF down-conversion process wilh narrowband signals but also the digital IF up-conversion process with wideband signals arc of great importance. In this paper, digital IF up/down-conversion algorithms that are particularly suitahle for the IEEE802.lla、 wireless LAN environment of bandwidth 20MHz are proposed, and their effecliveness is demonstrated by the real-time implementation of Ihe DSP hardware and sofrware.

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  Cite this article

[IEEE Style]

H. M. kang and S. H. Cho, "Digital IF Up/Down Converter for IEEE802.11a," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1181-1190, 2002. DOI: .

[ACM Style]

Hwan Min kang and Sung Ho Cho. 2002. Digital IF Up/Down Converter for IEEE802.11a. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1181-1190. DOI: .

[KICS Style]

Hwan Min kang and Sung Ho Cho, "Digital IF Up/Down Converter for IEEE802.11a," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1181-1190, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880