Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673339
S. Azad, R. Sankar, G. Chiruvolu
Resource allocation for handoff in wireless ATM (WATM) networks has currently been an area of active research. This paper describes various issues and approaches related to resource management and efficient bandwidth allocation for handoff in a WATM network. Further, it reviews the existing approaches presented in the literature, looks at their advantages and drawbacks, and provides directions and suggestions for future research.
{"title":"Resource allocation for handoff in wireless ATM networks","authors":"S. Azad, R. Sankar, G. Chiruvolu","doi":"10.1109/SECON.1998.673339","DOIUrl":"https://doi.org/10.1109/SECON.1998.673339","url":null,"abstract":"Resource allocation for handoff in wireless ATM (WATM) networks has currently been an area of active research. This paper describes various issues and approaches related to resource management and efficient bandwidth allocation for handoff in a WATM network. Further, it reviews the existing approaches presented in the literature, looks at their advantages and drawbacks, and provides directions and suggestions for future research.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123080481","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673319
K.L. Davis, J. Yuan
An alternative switching delay reduction technique for CMOS and BiCMOS digital circuits is examined. A simplified BSIM3V2 model equation is used to analyze CMOS inverter delay for different V/sub DD/, T/sub ox/, and V/sub T/. PSPICE BiCMOS delay results are presented over a wide range of V/sub DD/, T/sub ox/, and V/sub T/.
{"title":"Impact of technology on low-voltage CMOS and BiCMOS switching delay","authors":"K.L. Davis, J. Yuan","doi":"10.1109/SECON.1998.673319","DOIUrl":"https://doi.org/10.1109/SECON.1998.673319","url":null,"abstract":"An alternative switching delay reduction technique for CMOS and BiCMOS digital circuits is examined. A simplified BSIM3V2 model equation is used to analyze CMOS inverter delay for different V/sub DD/, T/sub ox/, and V/sub T/. PSPICE BiCMOS delay results are presented over a wide range of V/sub DD/, T/sub ox/, and V/sub T/.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121261214","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673351
S. Kadamani, A. Snider
We describe a new expert system, written in C, for expressing the eigenfunction expansions of solutions to the nonhomogeneous wave, heat and Laplace equations in rectangular, cylindrical, and spherical coordinates with Dirichlet, Neumann, or Robin boundary conditions, in either the time, Laplace or frequency domains. The output of the program is LATEX code expressing the expansion, with elaboration on the eigenvalues and the expressions for the coefficients therein.
{"title":"An expert system for eigenfunction expansions of solutions to the wave, heat, and Laplace equations","authors":"S. Kadamani, A. Snider","doi":"10.1109/SECON.1998.673351","DOIUrl":"https://doi.org/10.1109/SECON.1998.673351","url":null,"abstract":"We describe a new expert system, written in C, for expressing the eigenfunction expansions of solutions to the nonhomogeneous wave, heat and Laplace equations in rectangular, cylindrical, and spherical coordinates with Dirichlet, Neumann, or Robin boundary conditions, in either the time, Laplace or frequency domains. The output of the program is LATEX code expressing the expansion, with elaboration on the eigenvalues and the expressions for the coefficients therein.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125829649","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673297
J. Gómez-Tagle, C. Christodoulou, P. Wahid
The finite difference time domain (FDTD) algorithm is used to analyze a two element broadside array of coax-fed stacked microstrip antennas. Special emphasis has been placed to obtain the mutual coupling of the antennas. A time domain approach is investigated to model the phase of the excitations.
{"title":"Coupling analysis of finite phased array microstrip antennas using the finite difference time domain method","authors":"J. Gómez-Tagle, C. Christodoulou, P. Wahid","doi":"10.1109/SECON.1998.673297","DOIUrl":"https://doi.org/10.1109/SECON.1998.673297","url":null,"abstract":"The finite difference time domain (FDTD) algorithm is used to analyze a two element broadside array of coax-fed stacked microstrip antennas. Special emphasis has been placed to obtain the mutual coupling of the antennas. A time domain approach is investigated to model the phase of the excitations.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126871751","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673358
M. Sadiku, S. Murad
This paper reports on the extension of a previous similar attempt at performance evaluation of interconnected local area networks (LANs). It presents the performance analysis of interconnected CSMA/CD (Ethernet) LANs with a high speed network as the backbone. The LANs are connected to the backbone network via gateways. The analytical model is verified by simulation results.
{"title":"Analysis of interconnected CSMA/CD LANs","authors":"M. Sadiku, S. Murad","doi":"10.1109/SECON.1998.673358","DOIUrl":"https://doi.org/10.1109/SECON.1998.673358","url":null,"abstract":"This paper reports on the extension of a previous similar attempt at performance evaluation of interconnected local area networks (LANs). It presents the performance analysis of interconnected CSMA/CD (Ethernet) LANs with a high speed network as the backbone. The LANs are connected to the backbone network via gateways. The analytical model is verified by simulation results.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117251768","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673366
M. Zagirnyak, L.N. Tuilchinsky, V.M. Letschinsky
The principles of the use of rate-controlled sintering technology for manufacturing permanent magnets of electric machines from strontium ferrite were considered. The technology of magnet production based on strontium ferrite used in production requires perfection aimed at improvement of electrical properties at the expense of ferrite density and structure. This paper shows the use of nonisothermal sintering conditions for achieving high density and fine-grain structure of strontium ferrite that provides a high level of its magnetic characteristics.
{"title":"The using of rate-controlled sintering technology for improvement of strontium ferrite","authors":"M. Zagirnyak, L.N. Tuilchinsky, V.M. Letschinsky","doi":"10.1109/SECON.1998.673366","DOIUrl":"https://doi.org/10.1109/SECON.1998.673366","url":null,"abstract":"The principles of the use of rate-controlled sintering technology for manufacturing permanent magnets of electric machines from strontium ferrite were considered. The technology of magnet production based on strontium ferrite used in production requires perfection aimed at improvement of electrical properties at the expense of ferrite density and structure. This paper shows the use of nonisothermal sintering conditions for achieving high density and fine-grain structure of strontium ferrite that provides a high level of its magnetic characteristics.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"13 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128671462","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673338
N. Savkoor, R. Rsankar, S. Azad
The rapid proliferation of wireless personal communication services (PCS) has fuelled the need to look into optimum handover schemes. In view of this, the relationships and tradeoffs between the various handoff metrics are studied. Work reported in the literature and some of the relevant issues are discussed. Handover design issues for future integrated wireless networks offering a high quality of service (QoS) to users are investigated.
{"title":"Handoff performance issues in PCS networks","authors":"N. Savkoor, R. Rsankar, S. Azad","doi":"10.1109/SECON.1998.673338","DOIUrl":"https://doi.org/10.1109/SECON.1998.673338","url":null,"abstract":"The rapid proliferation of wireless personal communication services (PCS) has fuelled the need to look into optimum handover schemes. In view of this, the relationships and tradeoffs between the various handoff metrics are studied. Work reported in the literature and some of the relevant issues are discussed. Handover design issues for future integrated wireless networks offering a high quality of service (QoS) to users are investigated.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121177924","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673282
L. Khadra, M. Abdallah, S. Odeh, F. Al-Attar
The authors introduce an efficient technique to detect the evoked potential, EP, transients. A hybrid algorithm using Daubechies (1990, 1994) as the father and Coiflet as the mother wavelet is employed on both a single and four-averaged EP sweeps. A 60% reduction in the number of sweeps with a high quality performance has been achieved when compared to traditional techniques.
{"title":"An enhanced detection of the evoked potential signal using a hybrid QMF algorithm","authors":"L. Khadra, M. Abdallah, S. Odeh, F. Al-Attar","doi":"10.1109/SECON.1998.673282","DOIUrl":"https://doi.org/10.1109/SECON.1998.673282","url":null,"abstract":"The authors introduce an efficient technique to detect the evoked potential, EP, transients. A hybrid algorithm using Daubechies (1990, 1994) as the father and Coiflet as the mother wavelet is employed on both a single and four-averaged EP sweeps. A 60% reduction in the number of sweeps with a high quality performance has been achieved when compared to traditional techniques.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126269497","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673374
V. Tsaoussidis, A. Deka
We address, in a unified manner, different mechanisms of controlling the application's environment. Today's applications can run over distributed, heterogeneous environments: different operating systems and networks. The resources used by the applications are also distributed across the environment. Therefore, the application developer needs to implement different mechanisms in order to control the resources. Resource reservation, resource allocation, and resource control are such mechanisms; these are not platform independent but instead, are operating system- and network-dependent. These mechanisms can be presented as universal service objects to the application developer and can support functionality to control resources with respect to priorities of users and tasks. We present an implementation of "control units" for a video conference application. We apply the control units as mechanisms to enable quality of service parameters.
{"title":"Resource control of distributed applications in heterogeneous environments","authors":"V. Tsaoussidis, A. Deka","doi":"10.1109/SECON.1998.673374","DOIUrl":"https://doi.org/10.1109/SECON.1998.673374","url":null,"abstract":"We address, in a unified manner, different mechanisms of controlling the application's environment. Today's applications can run over distributed, heterogeneous environments: different operating systems and networks. The resources used by the applications are also distributed across the environment. Therefore, the application developer needs to implement different mechanisms in order to control the resources. Resource reservation, resource allocation, and resource control are such mechanisms; these are not platform independent but instead, are operating system- and network-dependent. These mechanisms can be presented as universal service objects to the application developer and can support functionality to control resources with respect to priorities of users and tasks. We present an implementation of \"control units\" for a video conference application. We apply the control units as mechanisms to enable quality of service parameters.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128010567","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}
Pub Date : 1998-04-24DOI: 10.1109/SECON.1998.673372
Huai Wei, A. Ionovici, D. Sutanto
In this paper, a new type of PWM boost zero-voltage-switching converter is presented. The new soft-switching converter is formed by adding only two auxiliary components to a conventional boost converter, namely: an active switch and a resonant inductor. The voltage stresses on both the main and auxiliary switches are fixed at V/sub g/+V/sub o/ and they are not proportional to the load range. The proposed boost soft-switching converter is especially suitable for medium voltage level and high power density application due to its simplified power stage and control circuit.
{"title":"A simple zero-voltage-switching boost converter","authors":"Huai Wei, A. Ionovici, D. Sutanto","doi":"10.1109/SECON.1998.673372","DOIUrl":"https://doi.org/10.1109/SECON.1998.673372","url":null,"abstract":"In this paper, a new type of PWM boost zero-voltage-switching converter is presented. The new soft-switching converter is formed by adding only two auxiliary components to a conventional boost converter, namely: an active switch and a resonant inductor. The voltage stresses on both the main and auxiliary switches are fixed at V/sub g/+V/sub o/ and they are not proportional to the load range. The proposed boost soft-switching converter is especially suitable for medium voltage level and high power density application due to its simplified power stage and control circuit.","PeriodicalId":281991,"journal":{"name":"Proceedings IEEE Southeastcon '98 'Engineering for a New Era'","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134333323","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}
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