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A compact six-port dielectric resonator antenna array: MIMO channel measurements and performance analysis

Publiceringsår: 2010
Språk: Engelska
Sidor: 1369-1379
Publikation/Tidskrift/Serie: IEEE Transactions on Antennas and Propagation1963-01-01+01:00
Volym: 58
Nummer: 4
Dokumenttyp: Artikel i tidskrift
Förlag: IEEE--Institute of Electrical and Electronics Engineers Inc.


MIMO systems ideally achieve linear capacity gain

proportional to the number of antennas. However, the compactness

of terminal devices limits the number of spatial degrees

of freedom (DOFs) in such systems, which motivates efficient

antenna design techniques to exploit all available DOFs. In this

contribution, we present a compact six-port dielectric resonator

antenna (DRA) array which utilizes spatial, polarization and

angle diversities. To evaluate the proposed DRA array, a measurement

campaign was conducted at 2.65GHz in indoor office

scenarios for four 6 × 6 multiple antenna systems. Compared

to the reference system of monopole arrays which only exploit

spatial diversity, the use of dual-polarized patch antennas at

the transmitter enriches the channel’s DOF in the non-line-ofsight

scenario. Replacing the monopole array at the receiver with

the DRA array that has a 95% smaller ground plane, the 10%

outage capacity evaluated at 10 dB reference signal-to-noise ratio

becomes equivalent to that of the reference system, due to the

DRA’s rich diversity characteristics. In the line-of-sight scenario,

the DRA array gives a higher DOF than the monopole array as

the receive counterpart to the transmit patch array. However, the

outage capacity is 1.5 bits/s/Hz lower, due to the DRA array’s

lower channel gain.


  • Electrical Engineering, Electronic Engineering, Information Engineering
  • dielectric resonator antennas
  • polarization
  • MIMO systems
  • antenna diversity.


  • Electromagnetic theory-lup-obsolete
  • Communication Systems-lup-obsolete
  • Radio Systems-lup-obsolete
  • ISSN: 0018-926X

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