Yuhui Ren

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This paper introduces a wireless phase calibration algorithm that can be applied on cheap commercial off-the-shelf (COTS) radio frequency identification (RFID) system and auto acquire an accurate radio frequency (RF) phase information without any offline training. The key observation is that the raw phase measurements even measured form different RFID tags(More)
The passive target detection and localization in wireless sensor networks(WSNs) is a critical issue in many applications. However, the data type been used for detection and localization is limited, due to the target does not carry any devices connected to any transmit(or receive). Thus, the great challenge is that how to use the limited data type for DLF(More)
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