Reconfigurable multiband antenna designs for wireless communication devices

Angus C K Mak, Rowell R. Rowell, Ross D. Murch, Chi Lun Mak

Research output: Contribution to journalArticle

157 Citations (Scopus)

Abstract

New designs for compact reconfigurable antennas are introduced for mobile communication devices. The uniqueness of the antenna designs are that they allow various groups of their operating frequency bands to be selected electronically. In particular, each group of frequency bands, or mode, can be made to serve several different communication systems simultaneously. These systems may include various combinations of GSM, DCS, PCS, UMTS, Bluetooth, and wireless local-area network (LAN). Therefore, by electronically selecting different antenna modes, a variety of communication systems can be conveniently served by only one antenna. One advantage is that through the different operational modes, the total antenna volume can be reused, and therefore the overall antenna can be made compact. In these designs, the selection of the different modes is achieved by either i) switching different feeding locations of the antenna (switched feed) or ii) switching or breaking of the antenna's connection to the ground (switched ground). This paper demonstrates these two designs. For the first design of switched feed, it can support GSM, DCS, PCS, and UMTS. In the second design, the antenna makes use of a switched-ground technique, which can cover GSM,DCS, PCS, UMTS, Bluetooth, and 2.4 GHz wireless LAN. The designs are investigated when ideal switches and also various realistic active switches based on PIN diodes, GaAs field effect transistor, and MEMs configurations. The designs are verified through both numerical simulations and measurement of an experimental prototype. The results confirm good performance of the two multiband reconfigurable antenna designs.

Original languageEnglish
Pages (from-to)1919-1928
Number of pages10
JournalIEEE Transactions on Antennas and Propagation
Volume55
Issue number7
DOIs
Publication statusPublished - Jul 2007
Externally publishedYes

Fingerprint

Antennas
Communication
3G mobile communication systems
Antenna grounds
Global system for mobile communications
Bluetooth
Wireless local area networks (WLAN)
Frequency bands
Communication systems
Switches
Waveguide couplers
Antenna feeders
Field effect transistors
Diodes
Computer simulation

Keywords

  • Planar inverted F-antenna (PIFA)
  • Reconfigurable antennas
  • Volume reuse
  • Wireless communications

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Reconfigurable multiband antenna designs for wireless communication devices. / Mak, Angus C K; Rowell, Rowell R.; Murch, Ross D.; Mak, Chi Lun.

In: IEEE Transactions on Antennas and Propagation, Vol. 55, No. 7, 07.2007, p. 1919-1928.

Research output: Contribution to journalArticle

Mak, Angus C K ; Rowell, Rowell R. ; Murch, Ross D. ; Mak, Chi Lun. / Reconfigurable multiband antenna designs for wireless communication devices. In: IEEE Transactions on Antennas and Propagation. 2007 ; Vol. 55, No. 7. pp. 1919-1928.
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