发布求助
文献互助 智能选刊 最新文献

2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)最新文献

筛选
英文 中文
Switch selection & sizing in CMOS implementation of variable output switched capacitor step-down DC-DC converter 可变输出开关电容降压DC-DC变换器的CMOS实现中的开关选择与尺寸
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440336
Mahesh Zanwar, S. Sen
{"title":"Switch selection & sizing in CMOS implementation of variable output switched capacitor step-down DC-DC converter","authors":"Mahesh Zanwar, S. Sen","doi":"10.1109/ICECS.2015.7440336","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440336","url":null,"abstract":"This paper describes the CMOS implementation of an open-loop variable output voltage switched capacitor step-down DC-DC converter with large number of target voltages. The number of target voltages generated using n-flying capacitors are of the order of 2n. A scheme for selection of transistor type and size is given that optimizes silicon area and efficiency of a given design. Expressions for equivalent series resistance (Req), conduction, switching power loss and efficiency are derived in terms of switching frequency (Fsw), flying capacitor value and compared with the simulated results. The effect of flying capacitor on efficiency is shown with the plots of efficiency vs. output voltages and bottom plate capacitance. The 3/4 step-down converter circuit is described and analysed by varying switching frequency and load for different values of bottom plate capacitance. An efficiency of about 87% is achieved with 15% bottom plate capacitance for load current of 10mA and input voltage of 1.8V at 4MHz of switching frequency.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122930625","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 power 2.5-Gb/s CMOS burst-mode transimpedance amplifier with fast response time using a novel peak detection circuit 采用新型峰值检测电路的低功耗2.5 gb /s CMOS突发模式跨阻放大器，具有快速响应时间
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440289
Young-Ho Kim, Eunok Kim, Wonjong Kim
{"title":"Low power 2.5-Gb/s CMOS burst-mode transimpedance amplifier with fast response time using a novel peak detection circuit","authors":"Young-Ho Kim, Eunok Kim, Wonjong Kim","doi":"10.1109/ICECS.2015.7440289","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440289","url":null,"abstract":"A 2.5 Gb/s CMOS burst-mode transimpedance amplifier (BM-TIA) with a novel peak detection circuit is designed in this paper. The proposed peak detection circuit changes quickly the gain mode of the BM-TIA and then improves the data transmission capacity of the PON system with low power consumption. In order to obtain quick response time of the BM-TIA, a RC-LPF, an amplifier followed it and a replica circuit of the amplifier are built in. This BM-TIA was fabricated in 1P6M 0.18 μm CMOS process. The designed IC exhibits a quick response of 11 nsec for a 2.5 Gb/s burst preamble input. In this condition, this chip of 4 channel consumes 195.4 mW from a 1.8 V supply. In high gain mode, the BM-TIA achieves a gain of 66 dBΩ with 2.45 GHz bandwidth and the eye jitter (rms) of 4.243 ps.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123665539","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
A mathematical model of an ideally threshold compensated rectifier for RF energy harvesting 用于射频能量收集的理想阈值补偿整流器的数学模型
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440323
Doaa M. Elgabry, M. Aboudina, E. Hegazi
{"title":"A mathematical model of an ideally threshold compensated rectifier for RF energy harvesting","authors":"Doaa M. Elgabry, M. Aboudina, E. Hegazi","doi":"10.1109/ICECS.2015.7440323","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440323","url":null,"abstract":"This paper introduces a mathematical model of an ideally threshold compensated rectifier for RF energy harvesting. The ideally compensation arrangement has been exploited to improve the rectifier's performance and overcome the limitation of rectifier's sensitivity which mainly depends on the threshold voltage of the rectifying devices (transistors). The model considers the conduction angle and the reverse current in deriving closed form analytical expressions for output dc voltage and efficiency. Using a 65-nm low leakage CMOS process with low-threshold transistors, 900-MHz multi-stages rectifiers were designed using both the proposed model and Cadence Virtuoso. The results of the model extremely match the simulation results using Cadence Virtuoso while running 100 times faster.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129800002","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
Speeding-up fast fourier transform 加速快速傅里叶变换
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440365
Mohammed A. El-Motaz, Ahmed M. El-Shafiey, Mohamed Farag, Omar A. Nasr, H. Fahmy
{"title":"Speeding-up fast fourier transform","authors":"Mohammed A. El-Motaz, Ahmed M. El-Shafiey, Mohamed Farag, Omar A. Nasr, H. Fahmy","doi":"10.1109/ICECS.2015.7440365","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440365","url":null,"abstract":"This work proposes a restructure of FFT algorithm to be more hardware friendly. The proposed algorithm is modeled as a combinatorial optimization problem. This paper presents two sub-optimal schemes of the proposed FFT restructure: one-stage and two-stage optimization. The proposed FFT algorithm is applied on 1024-point Radix-2 Single-Path Delay Feedback (R2SDF) architecture. The one-stage and two-stage optimization schemes achieve reduction in the multipliers area by 40.8% and 62.5%, respectively, compared with the conventional algorithm.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130256931","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 comparative study of nadir attitude pointing satellite solutions 最低点姿态指向卫星方案的比较研究
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440281
M. A. S. Mohammed, A. Bellar, Y. Bentoutou, A. Boudjemai, R. Roubache
{"title":"A comparative study of nadir attitude pointing satellite solutions","authors":"M. A. S. Mohammed, A. Bellar, Y. Bentoutou, A. Boudjemai, R. Roubache","doi":"10.1109/ICECS.2015.7440281","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440281","url":null,"abstract":"In a variety of satellite engineering problems, analytic solutions are by far the best alternatives to spacecraft attitude dynamic equations than the numerical solutions. In this paper, a refined analytic solution in the roll and yaw axis of a nadir attitude pointing microsatellite and more specifically a passive gravity gradient stabilized microsatellite, is proposed and compared with a recent linear solution from the literature. This linear approximated solution can only be used in few limited cases; however, the proposed one is valid for the more complicated problems found in spacecraft dynamics. It is shown that such a solution is very efficient to model spacecraft attitude dynamics. Simulation results clearly indicate that the proposed analytic solution is more accurate than the existing solution in the roll and yaw axis, even when applied to the worst cases.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120938293","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 novel scheduling algorithm for mmWave mesh networks using packet aggregation 基于分组聚合的毫米波网状网络调度算法
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440383
Muhammad K. Ibrahim, M. H. Ismail, M. El-Kharashi
{"title":"A novel scheduling algorithm for mmWave mesh networks using packet aggregation","authors":"Muhammad K. Ibrahim, M. H. Ismail, M. El-Kharashi","doi":"10.1109/ICECS.2015.7440383","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440383","url":null,"abstract":"In this paper, we address throughput improvement in a millimeter wave (mmW) mesh network via using packet aggregation and block acknowledgement that were firstly introduced in IEEE 802.11e/n. Specifically, we introduce a distributed TDM scheduling algorithm that targets achieving fairness among the nodes, increasing the air utilization via maximizing the total number of reserved slots for all nodes as well as increasing capacity by reserving the slots for each node in a contiguous fashion as much as possible to make the use of packet aggregation doable. Extensive simulations of the proposed algorithm show that it raised the network throughput by almost 70% compared to the well-known memory-guided directional MAC (MDMAC) due to reducing the transmission overhead.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117208499","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
Massively parallel cellular matrix model for self-organizing map applications 自组织地图应用的大规模并行细胞矩阵模型
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440384
Hongjian Wang, Abdelkhalek Mansouri, Jean-Charles Créput
{"title":"Massively parallel cellular matrix model for self-organizing map applications","authors":"Hongjian Wang, Abdelkhalek Mansouri, Jean-Charles Créput","doi":"10.1109/ICECS.2015.7440384","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440384","url":null,"abstract":"We propose the concept of parallel cellular matrix which partitions the Euclidean plane defined by input data into an appropriate number of uniform cell units. Each cell is responsible of a certain part of the data and the network of the self-organizing map (SOM), and carries out massive parallel spiral searches based on the cellular matrix topology. The advantage of the proposed model is that it is decentralized and based on data decomposition. The required processing units and memory are with linearly increasing relationship to the problem size. Based on the cellular matrix model, the parallel SOM is implemented to deal with various applications including the traveling salesman problem, structured mesh generation, and superpixel adaptive segmentation map. Experimental results of our GPU implementation show that the running time increases in a linear way with a very weak increasing coefficient according to the input size. The proposed cellular matrix model is suitable to deal with large scale problems in a massively parallel way.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116560557","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
Design and implementation of an inductorless digitally controlled oscillator based on CMOS inverters 基于CMOS逆变器的无电感数字控制振荡器的设计与实现
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440378
I. Ghorbel, F. Haddad, H. Barthélemy, W. Rahajandraibe, M. Loulou, H. Mnif
{"title":"Design and implementation of an inductorless digitally controlled oscillator based on CMOS inverters","authors":"I. Ghorbel, F. Haddad, H. Barthélemy, W. Rahajandraibe, M. Loulou, H. Mnif","doi":"10.1109/ICECS.2015.7440378","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440378","url":null,"abstract":"This paper presents the architecture of a digitally controlled oscillator (DCO) suitable for multi-standard radio frequency (RF) operation. The presented oscillator has an LC topology using an active inductor based on CMOS controllable inverters. The tunability of the oscillator frequency is ensured by varying the digital word applied to the inverters control voltages. The oscillator can cover different frequency bands from 1.23 GHz to 2.46 GHz by varying digitally four inverters sequence. It consumes less than 4.4 mW under 1.1 V supply voltage. It occupies a chip area of (54 × 59) μm2 in 130 nm CMOS technology.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122281522","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
Adaptive digital pre-distortion for future wireless transmitters 未来无线发射机的自适应数字预失真
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440316
Mickaël Dardaillon, C. Jabbour, V. P. Srini
{"title":"Adaptive digital pre-distortion for future wireless transmitters","authors":"Mickaël Dardaillon, C. Jabbour, V. P. Srini","doi":"10.1109/ICECS.2015.7440316","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440316","url":null,"abstract":"Digital pre-distortion techniques are one of the most interesting approaches to break the linearity-efficiency tradeoff of Power Amplifiers. In the recent past, these techniques were exclusively employed in the base stations due to the high computation resources needed for the coefficients estimation. Nowadays, low-complexity DPD techniques are proposed to extend their usage in mobile devices such as tablets and even smartphones. In this paper, we propose a novel low-complexity DPD estimation scheme. The approach consists in using a memoryless polynomial correction to reduce the estimation run time/complexity and to perform a fast reevaluation for each LO frequency in order to mitigate the memory effects. The proposed technique was implemented and validated on PAs off-the-shelf using the AD-FMComms3-EBZ transceiver board and a Kalray MPPA platform. Adjacent Channel Power Ratio improvements of 14 dB were obtained for output powers of 22 dBm.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116049200","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: 4
Design of a 10Gsps TI-flash ADC with modified clocking scheme 基于改进时钟方案的10Gsps TI-flash ADC设计
2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Pub Date : 2015-12-01 DOI: 10.1109/ICECS.2015.7440300
Khaled A. El-Gammal, S. Ibrahim
{"title":"Design of a 10Gsps TI-flash ADC with modified clocking scheme","authors":"Khaled A. El-Gammal, S. Ibrahim","doi":"10.1109/ICECS.2015.7440300","DOIUrl":"https://doi.org/10.1109/ICECS.2015.7440300","url":null,"abstract":"A 4-channel 4-bit flash analog-to-digital converter is presented with 10Gsps sampling speed and a figure of merit of 115 fJ/conversion-step. It uses a modified clocking scheme that enables the usage of basic architectures for both the sample and hold and the comparator blocks, reduces the ADC power, and enhances both the resolution and accuracy without the need for digital calibration. The ADC was designed using 65nm CMOS technology and tested for input signals up to 5GHz. The reported latency for each sub-ADC output is about one and half clock cycle.","PeriodicalId":215448,"journal":{"name":"2015 IEEE International Conference on Electronics, Circuits, and Systems (ICECS)","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127338769","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
首页 上一页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信