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A modular antenna for UHF RFID near-field desktop reader 一种用于UHF RFID近场桌面阅读器的模块化天线
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934228
R. Caso, A. Michel, A. Buffi, P. Nepa, G. Isola
{"title":"A modular antenna for UHF RFID near-field desktop reader","authors":"R. Caso, A. Michel, A. Buffi, P. Nepa, G. Isola","doi":"10.1109/RFID-TA.2014.6934228","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934228","url":null,"abstract":"The combination of a near-field coupling antenna placed in the central area of a UHF RFID desktop reader with a low-gain resonating antenna allocated at the reader border is here proposed to obtain a confined detection volume within the antenna near-field region (including both the reactive and radiative near field regions). The antenna layout consists of a spiral Travelling Wave Antenna (TWA) which series-feeds an array of two circularly-polarized miniaturized patches. The spiral TWA geometry allows for exciting an almost homogeneous field on the antenna surface, making the tag detection on the reader antenna (near-field reactive region) almost independent on tag location and orientation. The low-gain patch array is used to extend the read range up to the radiative near-field region. Good results in terms of read range and RSSI (Received Signal Strength Indicator) distribution have been checked experimentally, also for a stacked tag configuration.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"244 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134069445","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
A MIMO-based backscattering RFID with interleave division multiple access for real-time sensing applications 基于mimo的后向散射RFID交织多址实时传感应用
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934249
Xixu Wang, Xiaolin Zhou, W. Shen, Z. Zou, Lirong Zheng
{"title":"A MIMO-based backscattering RFID with interleave division multiple access for real-time sensing applications","authors":"Xixu Wang, Xiaolin Zhou, W. Shen, Z. Zou, Lirong Zheng","doi":"10.1109/RFID-TA.2014.6934249","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934249","url":null,"abstract":"Radio Frequency Identification (RFID) enabled wireless sensing applications require reliable multi-parameter and multi-tag sensory data transmission in real-time manner. This paper presents a MIMO-based backscattering RFID system, aiming at enhancing the communication robustness by means of a deterministic anti-collision scheme. The proposed interleave division multiple access (IDMA) mechanism not only avoids complex channel estimator but also eliminates synchronization requirements between tags and the reader, significantly simplifying tag implementation complexity. In addition, the adoption of cascaded interleaver saves channel bandwidth efficiently, and the use of Expectation Maximization algorithm broadens the application scope when Channel State Information (CSI) is unknown. The simulation results show that the proposed scheme can improve BER by 20dB under 1/8 coding rate than conventional RFID sensor systems, and support joint detection of up to 48 tags.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114736687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulation and measurement of collision signal in passive UHF RFID system and edge transition anti-collision algorithm 无源UHF RFID系统中碰撞信号的仿真与测量及边缘过渡防碰撞算法
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934243
B. Mohamed, B. Fergani, S. Tedjini, E. Perret
{"title":"Simulation and measurement of collision signal in passive UHF RFID system and edge transition anti-collision algorithm","authors":"B. Mohamed, B. Fergani, S. Tedjini, E. Perret","doi":"10.1109/RFID-TA.2014.6934243","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934243","url":null,"abstract":"Radio-Frequency IDentification (RFID) is an enabling and emergent technology. Nowadays it still remains several challenging research issues before its widespread implementation, especially in dense environment. One of the main problems that limits the efficiency of passive UHF RFID system is the collision between tags. Current solutions are based on collision avoidance using Media Access Control (MAC) Protocols (e.g. Frame Slotted Aloha, Binary Tree algorithms), which can be time consuming process because when a collision is detected, the retransmission of RN16 frame is required and all the signals in the physical layer are discarded. This paper presents an experimental and simulation study of collision signal in passive UHF RFID system. We take into consideration physical layer parameters of passive UHF RFID system to give correct model of collision signal. Based on FM0 encoded properties and other physical parameters, we proposed Edge transition algorithm to solve the tags collision problem.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123549548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Analysis of biotelemetric interrogation of chronically implantable intracranial capacitive pressure sensor 长期植入式电容式颅内压传感器的生物遥测分析
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934217
E. Moradi, T. Björninen, L. Sydänheimo, L. Ukkonen
{"title":"Analysis of biotelemetric interrogation of chronically implantable intracranial capacitive pressure sensor","authors":"E. Moradi, T. Björninen, L. Sydänheimo, L. Ukkonen","doi":"10.1109/RFID-TA.2014.6934217","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934217","url":null,"abstract":"Intractranial pressure (ICP) may increase due to an illness or an injury. Increased ICP causes severe brain damages and leads to life-threatening situations. Therefore, the ICP of patients with possibly high ICP must be monitored continuously. In this paper, we study the design of a subdural ICP sensor consisting of a MEMS capacitive pressure sensor connected to an inductive loop forming an LC circuit. An external LC circuit, whose loop antenna is inductively coupled to the sensor side loop antenna, can detect the resonance frequency of the implanted sensor LC circuit. We analyze for the first time different design aspects and factors affecting the sensitivity of the system to the changes of the capacitance of a pressure sensor implanted inside human head. In simulations, we used anatomical ANSYS Human Body Model. By considering different loss factors and optimizing the system for best sensitivity, we achieved a system with the sensitivity of 5.1 MHz/pF.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128879790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
A passive temperature radio-sensor for concrete maturation monitoring 一种用于混凝土熟化监测的无源温度无线电传感器
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934212
S. Manzari, T. Musa, M. Randazzo, Z. Rinaldi, A. Meda, G. Marrocco
{"title":"A passive temperature radio-sensor for concrete maturation monitoring","authors":"S. Manzari, T. Musa, M. Randazzo, Z. Rinaldi, A. Meda, G. Marrocco","doi":"10.1109/RFID-TA.2014.6934212","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934212","url":null,"abstract":"A planar “T” like passive UHF RFID temperature sensor is here proposed for application inside the fresh concrete at the purpose to hydration monitoring during the curing procedure into caissons. Since the concrete's electromagnetic parameters significantly change along with the drying process, the antenna modeling and design consider both the electromagnetic and the chemical phenomena. The described tag layout is such to separate, by means of a two-conductor transmission line, the sensing device, e.g. a specialized RFID IC placed up to 15cm deep into the concrete, from the scavenging element, placed instead outside the concrete. Computer simulation and then extensive laboratory experimentation in real conditions demonstrated that, despite of the low sensitivity of the IC and the high losses of concrete, the proposed RFID sensor tag provides reasonable communication performance in passive mode with read ranges up to 2 meters, and fast and reliable temperature sensing capabilities that look comparable with that of more invasive and costly wired measurement systems.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121826438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
Inkjet-printed GSM900 band RF power harvester on paper-based substrates 在纸质基板上喷墨打印GSM900波段射频功率采集器
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934192
H. Saghlatoon, Zahra Khonsari, L. Sydänheimo, M. Tentzeris, L. Ukkonen
{"title":"Inkjet-printed GSM900 band RF power harvester on paper-based substrates","authors":"H. Saghlatoon, Zahra Khonsari, L. Sydänheimo, M. Tentzeris, L. Ukkonen","doi":"10.1109/RFID-TA.2014.6934192","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934192","url":null,"abstract":"In this article the outcomes of an experimental investigation on the inkjet-printed power harvester for GSM900 band are presented. In this survey, a passive one-stage discrete rectifier and a planar antenna are fabricated on cardboard using inkjet-printing technology. For the rectifier a voltage doubler structure and for the antenna a broadband planar monopole antenna are utilized. Then, the functionality of the whole module is proven by measuring the output voltage in the real environment. The measurement results demonstrate appropriate absorbed voltage level for feeding a low power circuit by the presented power harvester. By the exploitation of the proposed idea, the fabrication of low-cost environmentally-friendly battery-less wireless modules is feasible.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125107558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RF tag front-end design for uncompromised communication and harvesting 射频标签前端设计，实现不妥协的通信和收获
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934210
J. Kimionis, M. Tentzeris
{"title":"RF tag front-end design for uncompromised communication and harvesting","authors":"J. Kimionis, M. Tentzeris","doi":"10.1109/RFID-TA.2014.6934210","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934210","url":null,"abstract":"Typically, low-cost and low-power backscatter radio communicators utilize a switching mechanism for alternating the antenna load between two values. In this way, they achieve modulation by reflection of the RF waves induced at the communicator's antenna. For tags that employ a rectifier for wireless energy harvesting, a single transistor may switch between the matched harvester and a reflective load (an open or short). However, optimized backscatter communication occurs when switching between two reflective loads, ideally an open and a short. This prohibits the use of a harvester that requires a good matching (i.e. no reflections) and produces a tradeoff of either compromising communication performance or not employing a harvester. Although this may not pose a problem for commodity RFID tags that operate in short ranges and do not require high computational ability, it is a strong limitation for applications like wireless sensor networks that employ backscatter radio as a low-cost and low-power communication scheme. In this work, an RF front-end is designed, analyzed, and implemented, that overcomes the limitation of compromising communication performance when employing a harvester.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114926191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
A passive UHF RFID system with a low-power capacitive sensor interface 一种具有低功耗电容式传感器接口的无源超高频RFID系统
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934247
Kerem Kapucu, C. Dehollain
{"title":"A passive UHF RFID system with a low-power capacitive sensor interface","authors":"Kerem Kapucu, C. Dehollain","doi":"10.1109/RFID-TA.2014.6934247","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934247","url":null,"abstract":"In this work, a passive UHF RFID system for capacitive sensor applications is presented. The design of the base station and the passive RFID tag is explained. The tag consists of an inductively-fed, meandered dipole antenna and an IC that contains the remote powering, communication, and sensor interface circuitry. The rectifier in the tag is a highly efficient differential rectifier with self threshold cancellation. A low-power, all-digital, PLL-based sensor interface is used to read the differential capacitive sensor on the tag. The pulsewidth modulated sensor data is sent to the base station by backscattering. The base station is implemented using discrete components with a custom designed patch antenna. The reflection from the tag antenna under different loading conditions is measured in the anechoic chamber. The whole system is measured and it is shown that the sensor value can be read from the base station. The tag chip is implemented in 0.18 μm UMC CMOS process.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115729152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 22
A 2.4GHz ambient RF energy harvesting system with −20dBm minimum input power and NiMH battery storage 一种最小输入功率为- 20dBm、镍氢电池存储的2.4GHz环境射频能量收集系统
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934191
Ken Gudan, S. Chemishkian, Jonathan J. Hull, Stewart J. Thomas, Joshua F. Ensworth, M. Reynolds
{"title":"A 2.4GHz ambient RF energy harvesting system with −20dBm minimum input power and NiMH battery storage","authors":"Ken Gudan, S. Chemishkian, Jonathan J. Hull, Stewart J. Thomas, Joshua F. Ensworth, M. Reynolds","doi":"10.1109/RFID-TA.2014.6934191","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934191","url":null,"abstract":"We describe a radio frequency (RF) energy harvester and power management circuit that trickle charges a battery from incident power levels as low as -20dBm. We designed the harvester for the 2.4 GHz RF band to leverage the ubiquity of energy that is produced by Wi-Fi, Bluetooth, and other devices. This paper reports on the design and current status of the harvester and compares our performance to other published results. In this incident power regime, rectified voltages are low, so power management circuit operation in the 100mV regime is critical. This paper describes a novel rectenna design, boost converter, and battery charger for RF energy harvesting specifically tuned to this low-power regime. At -20dBm RF input power, the harvesting system (rectenna, boost converter, and battery charger) sources 5.8μJ into a rechargeable battery after 1 hour.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116181654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
Automated RFID network planning with site-specific stochastic modeling and particle Swarm Optimization 基于特定地点随机建模和粒子群优化的RFID网络规划
2014 IEEE RFID Technology and Applications Conference (RFID-TA) Pub Date : 2014-10-23 DOI: 10.1109/RFID-TA.2014.6934198
A. Dimitriou, S. Siachalou, A. Bletsas, J. Sahalos
{"title":"Automated RFID network planning with site-specific stochastic modeling and particle Swarm Optimization","authors":"A. Dimitriou, S. Siachalou, A. Bletsas, J. Sahalos","doi":"10.1109/RFID-TA.2014.6934198","DOIUrl":"https://doi.org/10.1109/RFID-TA.2014.6934198","url":null,"abstract":"In this paper, a solution for automated passive RFID network planning is proposed. The proposed scheme comprises two parts; i) a fast site specific stochastic propagation model that extracts the probabilities of successful identification for any possible reader-antenna configuration, ii) a particle swarm optimization (PSO) algorithm that selects a subset of the antenna-configurations to be installed so that a given cost function is satisfied. In contrast to prior art, the combinatorial performance of all reader antennas is evaluated at each tag location; this revealed that good identification-performance is recorded at overlapping regions, where no single reader-antenna would operate adequately. As a result, the final solution includes less equipment, reducing the cost of the network. Results presented herein demonstrate that nearly half the number of antennas are needed for the same problem, compared to prior art.","PeriodicalId":143130,"journal":{"name":"2014 IEEE RFID Technology and Applications Conference (RFID-TA)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127333154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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