Abstract
A compact CPW-fed double T-Shaped antenna is proposed for dual-band wireless local area network (WLAN) operations. For the proposed antenna, the -10 dB return loss bandwidth could reach about 25.5% for the 2.4 GHz band and 5.7 % for the 5 GHz band, which meet the required bandwidth specification of WLAN standard. To reduce the mutual coupling and get high isolation between two dual-band antennas, we proposed the novel electromagnetic band gap (EBG) structures. When the EBG structure is employed, a -13dB and -30dB mutual coupling reduction is achieved at 2.4 and 5.2 GHz. It shows that the features of small size, uniplanar structure, good radiation characteristics and small mutual coupling are promising for multi-input multi-output (MIMO) applications.
Highlights
Wireless communications, especially the wireless local area network (WLAN) communication, have evolved at astonishing rate during the last decade
A multi feed 2-element planar antenna array with the same size is placed on a 78mm × 28.5mm substrate whose thickness is 0.5 mm and dielectric constant is 3.38.We explore the effect of the proposed planar electromagnetic band gap (EBG) structure in the mutual coupling reduction and suppression surface-wave between antenna arrays
The double T-shaped tuning stub is located at the center of the slot, where the antenna is symmetrical along the center, x-axis
Summary
Especially the wireless local area network (WLAN) communication, have evolved at astonishing rate during the last decade. The mutual coupling or isolation between closely packed antenna elements is important in a number of applications These include systems relying on array antennas and more recently multiple input multiple output (MIMO) wireless communication systems which rely on multiple antennas to offer increases in capacity without the need for additional power or spectrum, compared to conventional systems [10]. We propose a novel CPW-fed double T-Shaped antenna with simple structure and compact size These antennas can be tuned to cover the 2.4/5.2 GHz WLAN bands. A multi feed 2-element planar antenna array with the same size is placed on a 78mm × 28.5mm substrate whose thickness is 0.5 mm and dielectric constant is 3.38.We explore the effect of the proposed planar EBG structure in the mutual coupling reduction and suppression surface-wave between antenna arrays. The mutual coupling between adjacent elements with and without the EBG structure is simulated and compared
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
