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- W2569852548 abstract "Recently we see rapid increases of 'antenna integrated radios' such as RFID and UWB devices in addition to cellular phones and wireless LAN. These devices, having no monitoring terminals of Tx output power, must be tested based on radiation measurement where performances are expressed in terms of total radiated power (TRP). There exist several method for measuring TRP [1] – [3]. These methods, however, need large-scale facility such as radio anechoic chamber and 2-axis scanner. Furthermore they are time consuming and difficult to measure low-level spurious radiation. In this paper, we propose a novel TRP measurement method with very high sensitivity using a spheroidal coupler[4]. Although the behavior of electromagnetic waves in the coupler is complex due to multiple reflections, we can evaluate the maximum TRP from the equipment under test (EUT) by applying displacement technique to the EUT and the receiving antenna. We developed a spheroidal coupler with diameter of about one meter and verified the feasibility of TRP measurements using EUT at 2.4 GHz." @default.
- W2569852548 created "2017-01-13" @default.
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- W2569852548 date "2009-01-01" @default.
- W2569852548 modified "2023-09-27" @default.
- W2569852548 title "TOTAL RADIATED POWER MEASUREMENT FOR ANTENNA INTEGRATED RADIOS USING A SPHEROIDAL COUPLER" @default.
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