New baseband zero-crossing demodulator for wireless communications. II. Performance under fading channel

Kwon, H.M.; Lee, E.K.B.; Hou, Weiguang; Bai, Yun

doi:10.1109/milcom.1995.483526

Cited by 2 publications

(1 citation statement)

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“…Conventional digital receivers based on a zero-crossing demodulator (ZCD) were proposed in [1,2] and have been widely employed in wireless communication systems for their efficiency and simplicity [3][4][5][6][7]. The ZCD has also been commonly used in the receivers of RFID readers [8][9][10][11][12][13].…”

Section: Related Workmentioning

confidence: 99%

A Robust Baseband Demodulator for ISO 18000-6C RFID Reader Systems

Cheng

Cho

2012

International Journal of Distributed Sensor Networks

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One key challenge for ultra-high frequency (UHF) radio-frequency identification (RFID) reader design is to demodulate the weak tag response signal which tends to be easily distorted and has considerable frequency deviations. In this paper, a baseband demodulator based on a matched filter (MF) is proposed to enhance the reliability of signal processing for the EPCglobal Class-1 Generation-2 (Gen2) RFID reader systems. The proposed demodulator is very robust against strong signal distortions and large frequency deviations happening on the received backscattered signal from a passive RFID tag. The validity and usefulness is demonstrated by both computer simulations and implementation experiments.

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