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A new technique that enables passive ultra high frequency (UHF) radio frequency identification (RFID) tags to be read when they are placed in close proximity in an array is presented. This paper demonstrates that, in a linear tag array with a tag separation of 1 cm, the interaction between the backscattered waves and incident wave causes a significant degradation in tag sensitivity. It is found that...
In the paper, the radiation characteristic of dipole array along end-fire direction is researched. The electric field intensity values in end-fire area are calculated using FEKO under different situations. It is also analyzed how metal plate and scanning angle influence end-fire area. Besides, the whole dipole array is divided into several subarrays. Through comparing radiation characteristics of...
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