An Efficient Transceiver Technique for Wideband VHF Baseband Modem 


Vol. 38,  No. 4, pp. 305-313, Apr.  2013


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  Abstract

As an FMT (Filtered Multi-Tone) transmission method of Wideband VHF communication system specified by the ETS (European Telecommunications Standards) EN 300 392-2, this paper introduces three existing realization methods, i.e., the direct filtering method using different band SRRC (Square-Root Raised Cosine) filters for each subcarrier, the PPN-DFT method using the IDFT-PPN (Poly-Phase Network) and PPN-DFT at the transmitter and receiver, respectively, and the Extended DFT method. Then, it proposes the extended IDFT-SDFT (Sliding Discrete Fourier Transform) that computes the DFT values only for interested subcarriers every sample time, and shows that it has an advantage of blind symbol timing (using no training symbol) individually for each user signal (independently of other users’ signals) in the multi-user environment where the subcarriers are assigned in contiguous or interleaved blocks to each user and each user signal possibly experiences different channels.

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  Cite this article

[IEEE Style]

H. Lee, J. Kim, W. Yang, Y. Cho, "An Efficient Transceiver Technique for Wideband VHF Baseband Modem," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 305-313, 2013. DOI: .

[ACM Style]

Hwang-Hee Lee, Jae-Hwan Kim, Won-Young Yang, and Yong-Soo Cho. 2013. An Efficient Transceiver Technique for Wideband VHF Baseband Modem. The Journal of Korean Institute of Communications and Information Sciences, 38, 4, (2013), 305-313. DOI: .

[KICS Style]

Hwang-Hee Lee, Jae-Hwan Kim, Won-Young Yang, Yong-Soo Cho, "An Efficient Transceiver Technique for Wideband VHF Baseband Modem," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 4, pp. 305-313, 4. 2013.