In the above paper the authors used a human's head as a jar of water and then made a statement that the dielectric constant of water is similar to most human tissues. We disagree with this statement 1. The radiation pattern shown in Fig. 25(b) of the above paper presents a large discrepancy compared to our computed and measured radiation patterns for a human's head 2. Therefore, application to the authors' theory in the above paper to the existing cellular phone antenna is not possible.
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