{"title":"基于SIW技术的RFID近场电磁场约束装置","authors":"Álvaro Jaque;Gerard Zamora;Jordi Bonache","doi":"10.1109/JRFID.2025.3525543","DOIUrl":null,"url":null,"abstract":"In this paper, a slotted waveguide structure based on SIW technology is presented as a near-field RFID reader antenna. The structure enables the control of electromagnetic field decay with distance. A prototype that operates within the EPC Gen2 protocol was implemented. The imposed decay factor was achieved as 1 dB/cm at 867 MHz and 2 dB/cm at 915 MHz. The structure was fabricated using a Rogers RO3010 substrate, with silver ink applied to the edges of the SIW. A comparison between theoretical predictions and experimental electric field decay in the broadside direction is presented, demonstrating a high degree of agreement between them. Additionally, S-parameters are provided, illustrating excellent impedance matching across the entire bandwidth. The system’s functionality was verified by connecting the device to a Motorola FX7500 RFID reader and testing the read range with a commercial tag oriented and placed in various positions along the structure.","PeriodicalId":73291,"journal":{"name":"IEEE journal of radio frequency identification","volume":"9 ","pages":"32-37"},"PeriodicalIF":2.3000,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10820536","citationCount":"0","resultStr":"{\"title\":\"Novel Electromagnetic Field Confinement Device Based on SIW Technology for RFID Near-Field Applications\",\"authors\":\"Álvaro Jaque;Gerard Zamora;Jordi Bonache\",\"doi\":\"10.1109/JRFID.2025.3525543\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, a slotted waveguide structure based on SIW technology is presented as a near-field RFID reader antenna. The structure enables the control of electromagnetic field decay with distance. A prototype that operates within the EPC Gen2 protocol was implemented. The imposed decay factor was achieved as 1 dB/cm at 867 MHz and 2 dB/cm at 915 MHz. The structure was fabricated using a Rogers RO3010 substrate, with silver ink applied to the edges of the SIW. A comparison between theoretical predictions and experimental electric field decay in the broadside direction is presented, demonstrating a high degree of agreement between them. Additionally, S-parameters are provided, illustrating excellent impedance matching across the entire bandwidth. The system’s functionality was verified by connecting the device to a Motorola FX7500 RFID reader and testing the read range with a commercial tag oriented and placed in various positions along the structure.\",\"PeriodicalId\":73291,\"journal\":{\"name\":\"IEEE journal of radio frequency identification\",\"volume\":\"9 \",\"pages\":\"32-37\"},\"PeriodicalIF\":2.3000,\"publicationDate\":\"2025-01-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10820536\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE journal of radio frequency identification\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10820536/\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE journal of radio frequency identification","FirstCategoryId":"1085","ListUrlMain":"https://ieeexplore.ieee.org/document/10820536/","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
Novel Electromagnetic Field Confinement Device Based on SIW Technology for RFID Near-Field Applications
In this paper, a slotted waveguide structure based on SIW technology is presented as a near-field RFID reader antenna. The structure enables the control of electromagnetic field decay with distance. A prototype that operates within the EPC Gen2 protocol was implemented. The imposed decay factor was achieved as 1 dB/cm at 867 MHz and 2 dB/cm at 915 MHz. The structure was fabricated using a Rogers RO3010 substrate, with silver ink applied to the edges of the SIW. A comparison between theoretical predictions and experimental electric field decay in the broadside direction is presented, demonstrating a high degree of agreement between them. Additionally, S-parameters are provided, illustrating excellent impedance matching across the entire bandwidth. The system’s functionality was verified by connecting the device to a Motorola FX7500 RFID reader and testing the read range with a commercial tag oriented and placed in various positions along the structure.
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