An Improved Multi-Label Anti-Collision Algorithm of RFID

2013 ◽  
Vol 336-338 ◽  
pp. 1887-1891
Author(s):  
Jian Zhe Chen ◽  
Gui Tang Wang ◽  
Mei Shao ◽  
Ying Ge Li

When there are multiple electronic tags in the reading range of reader, It arises problem of multiple tags data collision in the data communication process of RFID system, causing the data reader have obtained error. This paper will contrapose the problem of tag collision, analysizing the search number and the system throughput rate of the existing anti-collision search algorithm based on binary, to propose an improved anti-collision algorithm. The improved algorithm reduces the redundant information of the sequence number that the reader have sent, and no longer searchs the tags of one bit collided ,but identify the two collided tags directly, thus reducing the search number of algorithm. Matlab simulation show that this algorithm can reduce the search number of reader identifying tags, improving the identifying efficiency of the RFID system, solving the problem of tag collision effectively.

Author(s):  
Siti Aminah ◽  
Asep Deni Mulyadi ◽  
Yuliadi Erdani

The Wireless Acquisition Data System Simulator Design on Automatic Weather Monitoring Station is means of collecting, monitoring, and controlling some long distance subsystems. Automatic weather monitoring station is device for receiving data by a censor in use to gauge some weather parameters. In this Research we develop an automatic weather monitoring station design simulator by creating a subsystem in the form of prototype, using Digital Pin and Analog Pin from the microcontroller. Sensor characteristics are considered to measure several weather parameters. The principles of a system function are it will have to collect data from some subsystems to accommodate in a database, able to control and deliver instructions to the subsystem. The communication system makes the use of radio frequency by means of Frequency Shift Keying (FSK) method through Handy Talky (HT), picked out because advantages of lower power consumptions and long range of transmission. Additional advantages are, although catastrophes, data communication using HT allows to keep fast transmission. The transmission of data using HT media require a signal converter by which HT is operated by analogue signal (sound), while censor and microcontroller by digital signal and, therefore, Modulation and Demodulation techniques are necessary. The Modulation functions to convert digital signal into analogue, and just the opposite to the Demodulation, the Modulation and Demodulation processes  is using IC TCM3105. The results of the trial suggest that system design has proper functions, the communication process in this system is two-ways communication, the process was fast working in either transmitter mode or receiver mode.


Author(s):  
Aryo Pinandito

Information system is one of the most important business supports in organizations. Web-based applications become an appropriate solution to overcome the dynamically changing environment among different units in an organization. Model-View-Controller (MVC) is a well-known design pattern in web-based application development due to the separation of an application into several parts, hence it is easy to reuse and maintain. However, such design pattern requires improvements since the information system handles business process choreography and integration between application. Therefore, modifying the interaction of object of class in a design pattern become a challenging problem. In this paper, an application framework based on Model-CollectionService-Controller-Presenter (MCCP) design pattern, which is a modification of an MVC, was proposed. The proposed framework allows multiple different applications to run and provides inter-application data exchange mechanisms to improve the data communication process between applications. Several performance comparisons with another popular web application framework are also presented.


2013 ◽  
Vol 325-326 ◽  
pp. 1805-1808
Author(s):  
Lie Wang ◽  
Yi Jie Wang

By introducing the basic principle of ordinary CRC algorithm, the paper develops an algorithm which can be used to analyze data communication structure and construct design process. At the same time, it can be quickly implemented in the data communication process. The algorithm uses Verilog HDL hardware description language to complete all the design on ISE development platform. And it uses Xilinxs development board Virtex-II Pro to achieve the final realization. Compared with traditional methods, the algorithm is simple and intuitive, which reduces computational the delays and saves space. It also benefits hardware implementation.


2014 ◽  
Vol 945-949 ◽  
pp. 2519-2522
Author(s):  
Li He ◽  
Gai Ping Liu ◽  
Chuan Yuan Han

The anti-collision algorithm is the key technology of RFID system. Firstly, this paper studied frame-slotted ALOHA anti-collision algorithm, in order to solve the shortcomings of ALOHA algorithm, an improved anti-collision algorithm is proposed based on grouping mechanism, and it also carried out the simulation experiences using the C# language under the .NET platform. The simulation results indicate that the improved algorithms can increase RFID system throughput.


2012 ◽  
Vol 239-240 ◽  
pp. 1373-1376
Author(s):  
Yong Tan ◽  
Gui Xiong Liu ◽  
Guo Guang Wu

This paper proposes a cardinality estimation-based adaptive multi-tree splitting (CEAMS) algorithm. Tag number is estimated by using the depth information obtained from the first tag identification and adaptively assigns the splitting strategy according to the splitting subset rule table. Simulation results show that the average total number of timeslots can be reduced by 65% compared with DBS and the system throughput is about 0.52 when the number of tags ranged from 5 ~ 1000.


2014 ◽  
Vol 635-637 ◽  
pp. 1692-1695
Author(s):  
Zhi Long Liu

Some drawbacks of existing binary search algorithm has been improved to reduce the number of paging through improved reader in this paper to reduce the number of bytes for each tag and reader communication transmission, thereby reducing the improved algorithm of recognition time. At the same time, an improved binary anti-collision algorithm, and by Matlab simulation results show the advantages of the improved algorithm compared to other improved binary search algorithm.


Sensors ◽  
2021 ◽  
Vol 21 (19) ◽  
pp. 6555
Author(s):  
Radwa Ahmed Osman ◽  
Sherine Nagy Saleh ◽  
Yasmine N. M. Saleh

The co-existence of fifth-generation (5G) and Internet-of-Things (IoT) has become inevitable in many applications since 5G networks have created steadier connections and operate more reliably, which is extremely important for IoT communication. During transmission, IoT devices (IoTDs) communicate with IoT Gateway (IoTG), whereas in 5G networks, cellular users equipment (CUE) may communicate with any destination (D) whether it is a base station (BS) or other CUE, which is known as device-to-device (D2D) communication. One of the challenges that face 5G and IoT is interference. Interference may exist at BSs, CUE receivers, and IoTGs due to the sharing of the same spectrum. This paper proposes an interference avoidance distributed deep learning model for IoT and device to any destination communication by learning from data generated by the Lagrange optimization technique to predict the optimum IoTD-D, CUE-IoTG, BS-IoTD and IoTG-CUE distances for uplink and downlink data communication, thus achieving higher overall system throughput and energy efficiency. The proposed model was compared to state-of-the-art regression benchmarks, which provided a huge improvement in terms of mean absolute error and root mean squared error. Both analytical and deep learning models reached the optimal throughput and energy efficiency while suppressing interference to any destination and IoTG.


Author(s):  
Irma Salamah ◽  
Nasron Nasron ◽  
Nurul Hidayah Shafariah

Palembang is the capital of the province of South Sumatra that has a diverse culture, beautiful tourist attractions and has a distinctive culinary flavor. Usually, culinary tourism becomes the main attraction for tourists when visiting an area. Culinary attractions that are often visited by tourists such as restaurants, restaurants, cafes, etc. This application aims to help staff handle orders from the surge of tourists who arrive, as well as help and make it easier for tourists to find restaurant information, restaurant places, place bookings, and choose the desired menu. This application is an ordering application for a restaurant in the city of Palembang that uses Android as a data communication process and uses notifications as its statement. This application was built using the waterfall method as an application development method so that it can facilitate the design process. This application is expected to facilitate tourists and employees in the process of booking a place in the city of Palembang.


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