Abstract
A multiple input and multiple output (MIMO) antenna that comprises a printed microstrip antenna and a printed double-L sleeve monopole antenna for LTE 1800 wireless application is presented. The printed double-L sleeve monopole antenna is fed by a 50 ohm coplanar waveguide (CPW). A novel T-shaped microstrip feedline printed on the other side of the PCB is used to excite the waveguide's outer shell. Isolation characteristics better than −15 dB can be obtained for the proposed MIMO antenna. The proposed antenna can operate in LTE 1800 (1710 MHz–1880 MHz). This antenna exhibits omnidirectional characteristics. The efficiency of the antenna is greater than 70% and has high gain of 2.18 dBi.
Highlights
Advances in wireless technology have led to the insatiable demand for wireless broadband
LTE 1800 has gained a lot of interests among wireless broadband operators
This is primarily due to the 1800 MHz band that is already being used for GSM 1800
Summary
Advances in wireless technology have led to the insatiable demand for wireless broadband. LTE 1800 has gained a lot of interests among wireless broadband operators. This is primarily due to the 1800 MHz band that is already being used for GSM 1800. Isolated mode antenna technology is used to reduce the mutual coupling between the two ports. The proposed antenna is a combination of printed microstrip and a printed double-L sleeve monopole antenna. This proposed antenna can cover LTE 1800 frequency band for laptop or tablets application. It has a smaller size as compared to [10]. The effects of the varying parameters of the proposed MIMO antenna on the antenna performance are presented in this paper
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