Design and Study of a Miniaturized Millimeter Wave Array Antenna for Wireless Body Area Network

Table 8

A comparison of this paper’s research with that of other articles.

Antenna	Size length (L) and width (W) mm	Relative permittivity	Substrate	Bandwidth (GHz) at −10 dB	Gain (dBi)	Efficiency (%)	Antenna category
Ref [20]	35.1 ×	2.2	Rogers-RT-duroid-5880	8.63–8.88	3.51	85.2	Duplex filtenna
				9.26–9.66	4.10
Ref [21]	30 × 30	2.2	RT/Duroid 5880	8.59–11.43	5.7		SIW cavity antenna
Ref [22]	44 × 44	2.2	Rogers RT/Duroid	9.26–11.02	5.01	90	Cavity-backed slot antenna
				9.79 to 10.88	5.30
Ref [23]	12.2 × 12	1.9	100% polyester	11.632	5.96	58.03	Slotted patch
Ref [24]	50 ×	2	Cotton	55–65	8.6	41	Array
This paper single element	5.12 × 3.28	2.2	Rogers RT5880	17.8 GHz	4.01	99.98	Single antenna
This paper 1 × 2 array	7.17 × 10.49	2.2	Rogers RT5880	15 GHz	5.01	66.16	1×2 array
This paper 1 × 4 array	7.17 × 21.38	2.2	Rogers RT5880	16.08 GHz	5.37	66.84	1 × 4
							Array
This paper 2 × array	14.33 × 10.48	2.2	Rogers RT5880	More than 27.43 GHz	6.65	80.39	2 × 2 array

The exact value was not provided.