Radiofrequency transmission of 32-QAM signals over multimode fibre for distributed antenna system applications

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Radiofrequency transmission of 32-QAM signals over multimode fibre for distributed antenna system applications

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High frequency, narrowband radio transmission over multimode fibre is shown to be possible with performance comparable to singlemode fibre using low-cost lasers and photodiodes. This allows the use of existing fibre cable infrastructures within buildings for the realisation of cost effective distributed antenna systems.

Inspec keywords: quadrature amplitude modulation; UHF antennas; UHF radio propagation; optical fibre communication

Other keywords: multimode fibre; 32-QAM signals; fibre cable infrastructures; radiofrequency transmission; photodiodes; distributed antenna system applications; high frequency narrowband radio transmission; low-cost lasers

Subjects: Modulation and coding methods; Optical communication; Radiowave propagation; Antennas

References

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      • Z. Haas , M.A. Santoro . A mode-filtering scheme for improvement of thebandwidth-distance product in multimode fiber systems. J. Lightwave Technol. , 1125 - 1130
    2. 2)
      • 3GPP TS 25.106 version 4.0.0: "UTRA repeater; radio transmissionandreception", 2001.
    3. 3)
      • Flatman, A., Musk, R.: `In-premises optical fibre deployment', IEEE 802.3 High Speed Study Group Plenary Week Meeting, 1999, Montreal.
    4. 4)
      • L. Raddatz , D. Hardacre , S.-Y. Wang . High bandwidth datatransmission in multimode fibre links using subcarrier multiplexing with VCSELs. Electron. Lett. , 686 - 688
    5. 5)
      • Georges, J.B., Cutrer, D.M., Lau, K.Y.: `Distribution of radio-frequencysignals through low bandwidth infrastructures', United States, 5,765,099, 1998.
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