Directivity characteristics of UHF antennas under multipath conditions

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Directivity characteristics of UHF antennas under multipath conditions

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Multipath transmission can substantially affect the directivity characteristics of antennas used in cellular systems. A simple propagation model consisting of a ring of scatterers round the mobile is considered. Calculations of the distribution of received levels in the minor lobe region are compared with measurements and a modified model is proposed.

Inspec keywords: cellular radio; radiocommunication; directive antennas

Other keywords: multipath conditions; mobile; ring; directivity characteristics; minor lobe region; cellular systems; propagation model; scatterers; UHF antennas

Subjects: Single antennas; Mobile radio systems

References

    1. 1)
      • K.C. Bowen . Sources of error in U-Adcock high frequency direction finding. Proc. IEEE , 529 - 532
    2. 2)
      • J.F. Whitehead . Cellular system design: an emerging engineering discipline. IEEE Comm. Mag. , 2 , 8 - 15
    3. 3)
      • W.C.Y. Lee . (1982) , Mobile communications engineering.
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