A Novel Cellular Handset Design for an Enhanced Antenna Performance and a Reduced SAR in the Human Head

Table 2

The generated FDTD-grid properties of both handset models in hand close to head, SAM and HR-EFH.

HR-EFH-Head phantom
Frequency	Handset	Mesh cells amount/Cheek	Mesh cells amount/Tilt
900 MHz	Model no. 1	276∗253∗300 = 20.9484 Mcells	284∗241∗310 = 21.2176 Mcells
900 MHz	Model no. 2	290∗251∗281 = 20.4540 Mcells	282∗239∗305 = 20.5564 Mcells
1800 MHz	Model no. 1	268∗244∗288 = 18.8329 Mcells	276∗233∗302 = 19.4210 Mcells
1800 MHz	Model no. 2	289∗242∗277 = 19.3728 Mcells	274∗231∗296 = 18.7350 Mcells
SAM-Head phantom
Frequency	Handset	Mesh cells amount/Cheek	Mesh cells amount/Tilt
900 MHz	Model no. 1	208∗135∗234 = 6.57072 Mcells	208∗131∗252 = 6.86650 Mcells
900 MHz	Model no. 2	230∗137∗217 = 6.83767 Mcells	230∗131∗223 = 6.71899 Mcells
1800 MHz	Model no. 1	200∗127∗230 = 5.84200 Mcells	200∗123∗236 = 5.80560 Mcells
1800 MHz	Model no. 2	222∗129∗209 = 5.98534 Mcells	219∗120∗214 = 5.62392 Mcells