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Proceedings of the 39th Midwest Symposium on Circuits and Systems最新文献

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ATM switching systems for broadband ISDN 用于宽带ISDN的ATM交换系统
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.593072
S.K. Mohapatra, F. LaRocca
{"title":"ATM switching systems for broadband ISDN","authors":"S.K. Mohapatra, F. LaRocca","doi":"10.1109/MWSCAS.1996.593072","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.593072","url":null,"abstract":"ATM (Asynchronous Transfer Mode) is considered to be the most suitable for Broadband Integrated Service Digital Networks (B-ISDN), because of its time transparency and bandwidth flexibility. ATM switch constitutes a crucial component of broadband networks. The ATM switching differs considerably from the conventional switching techniques due to various reasons. The high-speed interface to the switch, transport of wide variety of traffic with different Quality of Service (QoS) requirements in a seamless manner, and potential statistical multiplexing gain from the ATM cell stream, impose some constraints in the design of the ATM switching systems. In this paper, we discuss various components of ATM switching system from the view of support of B-ISDN Protocol Reference Model (PRM). The focus is on the various issues in the context of design of control module and management module of the switching system which supports functionality of control plane and management plane of B-ISDN Protocol Reference Model, respectively.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123073306","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 fuzzy block replacement algorithm for disk caches 磁盘缓存的模糊块替换算法
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.592844
Ravi Pendse, U. Walterscheidt, S. C. Kua
{"title":"A fuzzy block replacement algorithm for disk caches","authors":"Ravi Pendse, U. Walterscheidt, S. C. Kua","doi":"10.1109/MWSCAS.1996.592844","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.592844","url":null,"abstract":"In this paper, we present a new block replacement algorithm for disk caches. Our Fuzzy Block Replacement Algorithm (fuzzy block-RA) utilizes nine fuzzy rules to pick out the block to be evicted when an I/O reference causes a miss on a filled up disk cache. The decision making process is based on the age of a block and the frequency at which references are made to it. Optimization of the knowledge base to specific applications is easily possible by modifying the inference rules or tuning of the membership functions. The simulations performed using our algorithm shows that the miss rate improves with a fuzzy block-RA when compared with standard algorithms. The use of disk traces gathered from a commercial disk subsystem in the simulation ensures the practical validity of the results.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"285 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120932645","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
Efficient microcontroller based portable heart monitoring system 基于单片机的高效便携式心脏监测系统
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.593148
M. Alam, A. Chatterjea, P. Ferriter
{"title":"Efficient microcontroller based portable heart monitoring system","authors":"M. Alam, A. Chatterjea, P. Ferriter","doi":"10.1109/MWSCAS.1996.593148","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.593148","url":null,"abstract":"A new microcontroller based inexpensive, portable, and easy to use heart monitoring system is presented in this paper. This device could be worn by a person while exercising or at any other time. During operation, this device monitors the EKG signals from the heart continuously. This instrument also has the capability to alert the user whenever an abnormal heart rhythm occurs storing the signal simultaneously for the future diagnosis of the problem by a cardiologist.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125015555","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-voltage CMOS GM-C filter with rail-to-rail common-mode voltage 具有轨对轨共模电压的低压CMOS GM-C滤波器
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.588086
C. Hung, K. Halonen, V. Porra, M. Ismail
{"title":"Low-voltage CMOS GM-C filter with rail-to-rail common-mode voltage","authors":"C. Hung, K. Halonen, V. Porra, M. Ismail","doi":"10.1109/MWSCAS.1996.588086","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.588086","url":null,"abstract":"In this paper, a CMOS design of low-voltage 5th-order elliptic low-pass GM-C filter with rail-to-rail common-mode input voltage is introduced. The Operational Transconductance Amplifier (OTA) inside this filter is a low-voltage rail-to-rail voltage-to-current converter (V-I converter). In this V-I converter, an N-type V-I converter cell is connected in parallel with its counterpart, a P-type V-I converter cell, to achieve common-mode rail-to-rail operation. Maximum-current selecting circuits are utilized to generate constant-gm output currents for this OTA. This 5th-order elliptic low-pass GM-C filter operates at a supply voltage of 3 V and has a cutoff frequency of 500 kHz.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125161822","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: 17
Refining the digital spectrum 细化数字频谱
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.588020
P.A.M.-S. David, J. Szczupak
{"title":"Refining the digital spectrum","authors":"P.A.M.-S. David, J. Szczupak","doi":"10.1109/MWSCAS.1996.588020","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.588020","url":null,"abstract":"It is well known that the digital spectrum is distorted, if the sampling window does not enclose an integer number of the discrete periods of the signal components, i.e., if the discrete signal is truncated. This phenomenon is known as \"spectrum leaking\". This paper presents an algorithm, based on the analysis of the spectral leakage, to obtain the true amplitude, phase and frequency of the signal components, based on their distorted values. The paper also includes some demonstrative examples of the algorithm performance.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123412694","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
VLSI voltage mode FIR analog adaptive filters VLSI电压模式FIR模拟自适应滤波器
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.594062
A. Díaz-Sánchez, J. Ramiriz-Angulo
{"title":"VLSI voltage mode FIR analog adaptive filters","authors":"A. Díaz-Sánchez, J. Ramiriz-Angulo","doi":"10.1109/MWSCAS.1996.594062","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.594062","url":null,"abstract":"Design and implementation of a VLSI voltage mode continuous-time adaptive filter is described. The proposed approach allows operation at high frequencies. A bandpass adaptive filter with central frequency at 10 megahertz and quality factor of ten, demonstrates the feasibility of the proposed approach.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125551871","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
Bayesian motion estimation without spatial and temporal gradients 无时空梯度的贝叶斯运动估计
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.593199
R. Schultz, R. Stevenson
{"title":"Bayesian motion estimation without spatial and temporal gradients","authors":"R. Schultz, R. Stevenson","doi":"10.1109/MWSCAS.1996.593199","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.593199","url":null,"abstract":"A Bayesian motion estimation technique is proposed which models the motion vector field with a discontinuity-preserving prior and the observation noise corrupting the video frames with a Gaussian density. The method is related to various optical flow techniques, except that it is not dependent on spatial and temporal gradients which are notoriously difficult to estimate from real image sequences. The objective function to be minimized contains a block matching likelihood term and an optical flow prior term, making the technique a hybrid of two popular motion estimation schemes. Simulations show that the proposed technique results in more accurate motion vector fields than those obtained through conventional block matching and Horn-Schunck optical flow estimation.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115571626","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
The design of magnetoresistive devices 磁阻器件的设计
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.594051
B. A. Everitt
{"title":"The design of magnetoresistive devices","authors":"B. A. Everitt","doi":"10.1109/MWSCAS.1996.594051","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.594051","url":null,"abstract":"Magnetoresistive materials exhibiting either the conventional anisotropic magnetoresistance (AMR) effect or the giant magnetoresistance (GMR) effect are used in many applications including magnetic field sensing and nonvolatile random access memory. Several types of materials exhibit the GMR effect including multilayers, sandwich material, single- and double spin valves, and granular materials. Properties of the different types of MR materials are compared, and typical field sensing strategies are discussed. New materials exhibiting the spin dependent tunneling (SDT) and colossal magnetoresistance (CMR) effects may be used in the next generation of magnetic devices.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122543204","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
Issues in networked multimedia services 网络多媒体服务中的问题
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.593073
S. Erfani, M. Malek
{"title":"Issues in networked multimedia services","authors":"S. Erfani, M. Malek","doi":"10.1109/MWSCAS.1996.593073","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.593073","url":null,"abstract":"Future multimedia network services will provide integrated voice, graphics, text and video seamlessly on integrated transport networks. Key issues in this new paradigm are the need for application interoperability and quality of service. Issues of transport requirements and access networks have been investigated and a generic architecture for multimedia network services is described.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122447360","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
Device/performance trade-offs in optical networks 光网络中设备/性能的权衡
Proceedings of the 39th Midwest Symposium on Circuits and Systems Pub Date : 1996-08-18 DOI: 10.1109/MWSCAS.1996.593090
R. Barry
{"title":"Device/performance trade-offs in optical networks","authors":"R. Barry","doi":"10.1109/MWSCAS.1996.593090","DOIUrl":"https://doi.org/10.1109/MWSCAS.1996.593090","url":null,"abstract":"The author focuses on the benefits of using different classes of optical and electro-optic devices for circuit switched all-optical WDM networks. Two scenarios are considered: passive LANs or MANs which contain only passive optical devices and configurable WANs which contain many all-optical switching nodes connected in a mesh topology.","PeriodicalId":321968,"journal":{"name":"Proceedings of the 39th Midwest Symposium on Circuits and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128634651","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
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