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

Table 5

The computed averaged peak-SAR (over 1g and 10g) and power absorption in tissues, radiated power, total loss, total isotropic sensitivity, and computation error for both handset models in hand close to head at different positions and at 900 MHz.

	900 MHz-Cheek				900 MHz-Tilt
	SAM		HR-EFH (Adult)		SAM		HR-EFH (Adult)
Handset model	Model no. 1	Model no. 2	Model no. 1	Model no. 2	Model no. 1	Model no. 2	Model no. 1	Model no. 2
Input power (mW)	600	600	600	600	600	600	600	600
Peak-SAR1g(W/Kg) in head	4.23	3.34	2.99	2.72	1.86	1.34	4.17	1.09
Peak-SAR10g(W/Kg) in head	3.02	2.38	2.55	2.27	1.29	0.98	1.40	0.92
Peak-SAR1g(W/Kg) in hand	1.44	2.70	1.69	2.93	2.02	3.54	2.18	3.57
Peak-SAR10g(W/Kg) in hand	0.82	1.25	0.89	1.31	1.18	1.65	1.19	1.65
Radiated power (mW)	42.60	69.00	74.00	103.50	127.20	110.10	147.00	152.00
Absorbed power in head (mW)	335.20	241.40	312.00	218.50	206.80	126.60	206.00	122.00
Absorption rate in head (%)	55.87	40.23	52.00	36.42	34.47	21.10	34.33	20.33
Absorbed power in hand (mW)	92.27	161.50	94.30	167.90	133.20	224.80	130.00	207.00
Total loss (mW)	103.26	107.20	109.00	99.83	106.20	115.50	108.70	110.00
Total isotropic sensitivity (dBm)	−94.5	−96.6	−97	−98.4	−99.3	−98.7	−99.9	−100.1
Computation error (%)	4.4	3.5	1.8	1.7	4.8	2.9	0.8	1.6