A Four-Element Antenna System for Mobile Phones

Yuan Ding, Zhengwei Du, Ke Gong, Zhenghe Feng

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)
27 Downloads (Pure)


In this letter, a multiantenna system with four printed monopoles is presented. The monopoles that occupy relatively small area are positioned at the four corners of a printed circuit board, so that the four-element antenna system can be equipped on the lid of a folder-type mobile phone, leaving enough space for the circuits and reducing the effect of human hands. Based on simulation, a prototype for the Universal Mobile Telecommunications System (UMTS) operation has been constructed and tested. The measured -10-dB impedance bandwidths of the four elements are larger than 320 MHz with higher than 11.5-dB isolation. Moreover, the proposed antenna can provide spatial and pattern diversity in a diversity/multiple-input-multiple-output (MIMO) system.
Original languageEnglish
Pages (from-to)655-658
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Publication statusPublished - 2007


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