Abstract
A differentially-fed complementary antenna array is introduced in this paper. Coplanar waveguide (CPW)-fed planar slot antennas are inherently narrow in bandwidth. Modification on widening open-ends of the slot is the most popular technique for bandwidth enhancement. An alternative approach is to use complementary sources. In this paper, a new stacked structure of complementary antenna is proposed which utilizes a regular slot antenna to act as a magnetic source and a parasitic dipole allocated across the slot to act as an electric source. This antenna array, fabricated on generic microwave substrate with simple plated-through-hole printed-circuit technology, achieves an impedance bandwidth of 25% from 53 to 68 GHz for VSWR <2. It also yields a stable gain of 11.5 dBi across the entire operating band from 56 to 67GHz. © 2013 IEEE.
| Original language | English |
|---|---|
| Title of host publication | Asia-Pacific Microwave Conference Proceedings, APMC |
| Pages | 313-315 |
| DOIs | |
| Publication status | Published - 2013 |
| Event | 2013 3rd Asia-Pacific Microwave Conference, APMC 2013 - Seoul, Korea, Republic of Duration: 5 Nov 2013 → 8 Nov 2013 |
Conference
| Conference | 2013 3rd Asia-Pacific Microwave Conference, APMC 2013 |
|---|---|
| Place | Korea, Republic of |
| City | Seoul |
| Period | 5/11/13 → 8/11/13 |
Research Keywords
- bandwidth enhancement
- complementary antenna
- differential-fed antennas
- stable radiation pattern
- WiGig
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