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A rate adaptive of error control coding in MAC layer for UWB WBAN 一种基于UWB WBAN的MAC层错码自适应算法
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.7088532
Wannarit Khattiya, S. Choomchuay
{"title":"A rate adaptive of error control coding in MAC layer for UWB WBAN","authors":"Wannarit Khattiya, S. Choomchuay","doi":"10.1109/IEECON.2014.7088532","DOIUrl":"https://doi.org/10.1109/IEECON.2014.7088532","url":null,"abstract":"This paper proposes the preliminary investigation of rate adaptive error correction coding applied to MAC layer of UWB Body Area Network (WBAN). As the reliability of system is very important in patient-critical monitoring, the issue can be improved by appending Error Correction Code (ECC) to communication message. However, such an effort can cause the packet overhead, latency, and more power consumption. To mitigate these disadvantages, the rate adaptive of ECC is proposed. The Reed-Solomon (RS) code designed in GF256 has been employed in this study. It fits well the maximum MAC length which is 255 bytes. In our investigation, several MIT-BIH Arrhythmia databases are chosen as input data to represent the patient monitoring. Considering the physical layer of WBAN standard, Ultra Wideband offers an advantage in term of bandwidth availability. Fading channel is employed to examine code's performance. The code rate and capability of error correction performance is measured in both Bit Error Rate (BER) and Block Error Rate (BLER).","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116032936","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
Development of power line communication circuit for solar farm monitoring 太阳能电站监测电力线通信电路的研制
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925864
Wongsakorn Limsiri, P. Sirinamaratana, E. Leelarasmee
{"title":"Development of power line communication circuit for solar farm monitoring","authors":"Wongsakorn Limsiri, P. Sirinamaratana, E. Leelarasmee","doi":"10.1109/IEECON.2014.6925864","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925864","url":null,"abstract":"This paper describes the development of a monitoring module which communicates through DC power line in order to monitor solar farm. It consists of 2 separate parts which are Monitoring Unit (MU) to measure voltage of each solar panel, and Data Concentrator Unit (DCU) to gather information from all MUs on string and measure total voltage at the end of each string. The article explains the concept of solar farm monitoring and pulse transmission through DC power line. The design of the proposed MU, both hardware and software, is described and experimental results of transmission between DCU and MU are given.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121900618","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
A highly sensitive laser-EMAT imaging system for biomedical applications 用于生物医学应用的高灵敏度激光emat成像系统
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925962
S. Boonsang, R. Dewhurst
{"title":"A highly sensitive laser-EMAT imaging system for biomedical applications","authors":"S. Boonsang, R. Dewhurst","doi":"10.1109/IEECON.2014.6925962","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925962","url":null,"abstract":"This paper describes a novel technique using an elctromagnetic acoustic transducer (EMAT) for biomedical photoacoustic measurements. The physical principle underlying and EMAT sensor is based on the detection of electromagnetic signals, which are responses from the interaction of ultrasonic waves and magnetic fields within the electrically conductive sample surface. A recent prototype EMAT sensor has miniaturized the receiver size (1.0 cm diameter). It is incorporated with a specially designed low noise preamplifier. Calibration procedures with a Michelson interferometer revealed that the EMAT sensor detected small displacement amplitudes as low as 1.0±0.2 pm in ultrasonic frequency range using an aluminium sample. For the first time, we present the use of an EMAT sensor to detect photoacoustic pressure signals in tissue phantoms and real tissues (chicken breast) in vitro. Corresponding B-scan images were constructed by the compilation of a series of received photoacoustic signals. A B-scan image of human hairs in a chicken breast sample revealed that the lateral resolution about 1.57 mm (FWHM) was achieved.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122133275","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
Low-density MDS array codes based on rigid graph structure 基于刚性图结构的低密度MDS阵列编码
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925897
N. Puttarak, Phisan Kaewprapha
{"title":"Low-density MDS array codes based on rigid graph structure","authors":"N. Puttarak, Phisan Kaewprapha","doi":"10.1109/IEECON.2014.6925897","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925897","url":null,"abstract":"In data communications system including wired and wireless transmissions, the reliability, integrity, speed, and cost efficiency are the main issues that people desire. An error correcting code is one of the efficient and nearly-optimal methods to improve the system performance. Based on the idea of constructing MDS codes called CGR codes in [3] for disk arrays, this paper introduces a new perspective and construction of LDPC codes due to its sparsity and advantage complexity in implementation. The performance of this code in Additive White Gaussian Noise (AWGN) and fading channels gains about 1.0 dB at the 10-3 of bit error rate (BER) compared with an EVENODD code.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123694851","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
Smart grid roadmap development for electricity generating authority of Thailand 泰国电力局智能电网路线图制定
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925965
N. Hoonchareon
{"title":"Smart grid roadmap development for electricity generating authority of Thailand","authors":"N. Hoonchareon","doi":"10.1109/IEECON.2014.6925965","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925965","url":null,"abstract":"Global trend of Smart Grid development has raised the awareness on Research, Development, and Engineering in related areas, in Thailand, so that all concerned parties will be able to apply the technology, efficiently and wisely, to enhancing performance in all parts of our future electrical power grid, and to achieving the goal of renewable energy generation promotion without compromising the security and reliability of the main grid. Smart Grid Roadmap for Electricity Generating Authority of Thailand (EGAT) has been prepared to be the guidelines for the whole organization embarking on this future development in lines with the Smart Grid Development Plan and the Energy Master Plan of Thailand, concurrently.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129409001","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
Electronic structure calculation of GaSb/GaAs quantum dot GaSb/GaAs量子点的电子结构计算
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925841
S. Kiravittaya, Maetee Kunrugsa, S. Thainoi, S. Ratanathammaphan, S. Panyakeow
{"title":"Electronic structure calculation of GaSb/GaAs quantum dot","authors":"S. Kiravittaya, Maetee Kunrugsa, S. Thainoi, S. Ratanathammaphan, S. Panyakeow","doi":"10.1109/IEECON.2014.6925841","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925841","url":null,"abstract":"The paper describes a method to calculate electronic band structure, carrier wave function and quantized energies of dome-shaped GaSb/GaAs quantum dot (QD) structure. Type-II band alignment of GaSb/GaAs is introduced. Then, fabrication of realistic GaSb/GaAs QDs by molecular beam epitaxy is described. Based on the structural information obtained from realistic QD, finite element analysis of strain in and around QD is performed. Strain-induced bandgap modification is considered for calculating the discrete energy levels in QD. Effects of QD height and diameter variation are quantified.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116478401","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
Automatic stand-alone liquid mixer with chaotic PWM control using diode-based Rössler system 自动独立液体混合器与混沌PWM控制采用基于二极管Rössler系统
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925910
Somchart Honglad, W. San-Um
{"title":"Automatic stand-alone liquid mixer with chaotic PWM control using diode-based Rössler system","authors":"Somchart Honglad, W. San-Um","doi":"10.1109/IEECON.2014.6925910","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925910","url":null,"abstract":"This paper presents a cost-effective automatic stand-alone liquid mixer with chaotic PWM controls. The system design utilizes a new diode-based Rössler chaotic system as a random sauce for chaotically random Pulse Width Modulation (PWM) for controlling speed of DC motor. The simple propeller can be used for chaotically radial advection. Experimental results with image processing inspection show that the chaotic PWM motor control provides a fast and efficient liquid mixing rather than that of periodic mixing processes. The proposed liquid mixer offers a potential alternative to liquid mixing in industrial automation systems.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125801519","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: 7
Harmonic effect on BLDC motor temperature caused by driving system 驱动系统对无刷直流电机温度的谐波影响
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925852
Taywin Nilsakorn, Kaweepoj Woranetsuttikul, Kittapas Pinsuntia
{"title":"Harmonic effect on BLDC motor temperature caused by driving system","authors":"Taywin Nilsakorn, Kaweepoj Woranetsuttikul, Kittapas Pinsuntia","doi":"10.1109/IEECON.2014.6925852","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925852","url":null,"abstract":"This paper presents the analysis of harmonic effect caused by driving system of the brushless DC (BLDC) motor. The constant ratio of voltage per frequency can result various voltage and current harmonics depended on the modulation index or duty cycle. The losses of the BLDC motor result the rising temperature. The LC filter was designed to meet the BLDC motor on total harmonic distortion reduction. The BLDC motor operates with 40 kHz switching frequency, the experimental of 10 kW BLDC motor was investigated to find out how harmonic and THD can affect the motor loss. Three liter of water was circled as water cooling on the motor. The experimental showed that the operation at higher voltage introduces lower THD, also lower loss, where the LC filter results lower motor temperature compared to without LC filter.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125766909","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: 2
A software aided algorithm analysis 软件辅助算法分析
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925865
R. Trimananda, Y. Kuang
{"title":"A software aided algorithm analysis","authors":"R. Trimananda, Y. Kuang","doi":"10.1109/IEECON.2014.6925865","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925865","url":null,"abstract":"System validation in the industry needs a lot of servers to generate test sets and run them on the validated processors or SoCs. With the requirement of a competitive time-to-market, this process has to happen speedily and, yet thoroughly to ensure a quality product. As the validation is automated using software, this implies that effective and efficient validation software is absolutely needed. This paper reports the basics that were revisited while our team was trying to improve the performance of our validation software. The analysis and improvement process was aided by functional-level algorithm analysis software called VTune™ that could precisely pinpoint the caveats in the source code. Revisiting the basics resulted in three key learnings on software improvements. A significant 16 percent performance improvement was achieved.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122367523","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
Performance evaluation of target identification using matrix pencil method in different frequency range 矩阵笔法在不同频率范围内的目标识别性能评价
2014 International Electrical Engineering Congress (iEECON) Pub Date : 2014-03-19 DOI: 10.1109/IEECON.2014.6925935
Lakkhana Bannawat, A. Boonpoonga, S. Burintramart
{"title":"Performance evaluation of target identification using matrix pencil method in different frequency range","authors":"Lakkhana Bannawat, A. Boonpoonga, S. Burintramart","doi":"10.1109/IEECON.2014.6925935","DOIUrl":"https://doi.org/10.1109/IEECON.2014.6925935","url":null,"abstract":"This paper evaluates the performance of target identification using matrix pencil method. The simulations are done with HOBBIES electromagnetic solver in frequency domain. In simulations, plane wave with different frequency ranges is transmitted to the target. The late-time portion of signals scattered from the target and obtained from IFFT is used to extract poles. These poles obtained from different frequency range in each operation are investigated and used to identify the targets.","PeriodicalId":306512,"journal":{"name":"2014 International Electrical Engineering Congress (iEECON)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2014-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127201251","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
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