Summary
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Direct Spectrum Division Transmission for Highly Efficient Frequency Utilization in Satellite Communications Jun-ichi ABE Fumihiro YAMASHITA Katsuya NAKAHIRA Kiyoshi KOBAYASHI Publication IEICE TRANSACTIONS on Communications Vol.E95-B No.2 pp.563-571 Publication Date: 2012/02/01 Online ISSN: 1745-1345 DOI: 10.1587/transcom.E95.B.563 Print ISSN: 0916-8516 Type of Manuscript: PAPER Category: Satellite Communications Keyword: satellite communications, filter bank, direct spectrum division transmission, spectrum editing technique, Full Text: PDF>>
Summary: This paper proposes Direct Spectrum Division Transmission with spectrum editing technique. The transmitter divides the single carrier modulated signal into multiple “sub-spectra” in the frequency domain and arranges each sub-spectrum so as to more fully utilize the unused frequency resources. In the receiver, the divided sub-spectra are combined in the frequency domain and demodulated. By editing the divided spectrum in the frequency domain, the total bandwidth occupied by the multiple “sub-spectra” is less than that of the modulated signal. The proposed technique allows the unused frequency resources scattered across the bands to be better utilized. Simulations show that the proposed technique makes the bit error rate negligible. | |||||
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