2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies最新文献_第6页

A customizable framework of body area sensor network for rehabilitation 一种可定制的康复身体区域传感器网络框架

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373703

Mi Zhang, A. Sawchuk

引用次数: 44

On cooperative encoding with partially known non-causal interference 部分已知非因果干扰下的合作编码

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373629

A. Zaidi, L. Vandendorpe

{"title":"On cooperative encoding with partially known non-causal interference","authors":"A. Zaidi, L. Vandendorpe","doi":"10.1109/ISABEL.2009.5373629","DOIUrl":"https://doi.org/10.1109/ISABEL.2009.5373629","url":null,"abstract":"We consider a three-terminal Gaussian relay channel corrupted by a Gaussian interference. We assume that the interference is non-causally known to only some, i.e, not to all, the terminals. We examine two different scenarios: 1) both the source and the relay, but not the destination, know the interference and collaborate to cancel out its effect and 2) only the source knows the interference. The first scenario exhibits some symmetry and we refer to it as “informed source and relay”. The second scenario exhibits some asymmetry and we refer to it as “informed source only”. For the Gaussian relay channel with informed source and relay, we derive a lower bound on channel capacity, based on the source and the relay both employing standard dirty paper coding (DPC) and the relay using the decode-and-forward scheme. We also show that this lower bound meets with the cut-set bound, and thus gives capacity, if the channel is degraded. For the Gaussian relay channel with informed source only, we derive a lower bound on channel capacity. This lower bound is based on a generalized DPC that consists in a combination of partial cancellation of the known interference and standard DPC. In the asymmetric scenario, the performance characterizations reveal that, by opposition to Costa's initial DPC, it may be beneficial that the informed source uses a part of its power to (partially) cancel the effect of this interference so that the uninformed relay benefits from this cancellation.","PeriodicalId":273041,"journal":{"name":"2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131094284","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

The boston retinal prosthesis: A 15-channel hermetic wireless neural stimulator 波士顿视网膜假体:一个15通道密封无线神经刺激器

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373638

S. Kelly, D. Shire, P. Doyle, M. Gingerich, W. A. Drohan, J. Rizzo, Jinghua Chen, S. Cogan, J. Wyatt, J. Wyatt

{"title":"The boston retinal prosthesis: A 15-channel hermetic wireless neural stimulator","authors":"S. Kelly, D. Shire, P. Doyle, M. Gingerich, W. A. Drohan, J. Rizzo, Jinghua Chen, S. Cogan, J. Wyatt, J. Wyatt","doi":"10.1109/ISABEL.2009.5373638","DOIUrl":"https://doi.org/10.1109/ISABEL.2009.5373638","url":null,"abstract":"A miniaturized, hermetically-encased, wirelessly-operated retinal prosthesis has been developed for pre-clinical studies in Yucatan minipig animal models. The prosthesis attaches conformally to the outside of the eye and drives a microfabricated thin-film polyimide stimulating electrode array with sputtered iridium oxide electrodes. This array is implanted in the subretinal space using a specially-designed ab externo surgical technique that uses the retina to hold the array in place while leaving the bulk of the prosthesis outside the eye. The implanted device includes a hermetic titanium case containing a 15-channel stimulator chip and discrete circuit components. Feedthroughs from the case connect to secondary power- and data-receiving coils. In addition, long-term in vitro pulse testing was performed on the electrodes to ensure that their lifetime would match that of the hermetic case. The final assembly was tested in vitro to verify wireless operation of the system in biological saline using a custom RF transmitter circuit and primary coils. Stimulation pulse strength, duration and frequency were programmed wirelessly using a custom graphical user interface. Operation of the retinal implant has been verified in vivo in two pigs for up to five and a half months by measuring stimulus artifact on the eye surface using a contact lens electrode.","PeriodicalId":273041,"journal":{"name":"2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132039022","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

An energy efficient power controller switching methodology for an ambient healthcare network 一种用于环境医疗保健网络的节能电源控制器切换方法

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373712

M. Walsh, Brendan OaFlynn, J. Barton, Cian OaMathuna

引用次数: 0

Electrical biomonitoring towards mobile diagnostics of human stress influence 面向人体应激影响移动诊断的电生物监测

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373669

E. Vavrinsky, V. Stopjaková, L. Majer

引用次数: 4

Medication management support for vision impaired elderly: Scenarios and technological possibilities 视力受损老年人的药物管理支持:场景和技术可能性

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373683

M. Isomursu, M. Ervasti, V. Tormanen

引用次数: 24

Electrochemical flow-through system with DNA biosensor for biomedical and food technology applications 用于生物医学和食品技术应用的带有DNA生物传感器的电化学流动系统

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373651

D. Simková, J. Labuda

引用次数: 2

The selection of proper discriminative cognitive tasks — A necessary prerequisite in high-quality BCI applications 选择适当的辨别性认知任务——高质量脑机接口应用的必要前提

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373706

Monica-Claudia Dobrea, D. Dobrea

{"title":"The selection of proper discriminative cognitive tasks — A necessary prerequisite in high-quality BCI applications","authors":"Monica-Claudia Dobrea, D. Dobrea","doi":"10.1109/ISABEL.2009.5373706","DOIUrl":"https://doi.org/10.1109/ISABEL.2009.5373706","url":null,"abstract":"While in brain computer interface (BCI) field the research is focused basically on finding improved processing methods leading to both high classification rates and high bit transfer rates, in this paper the same BCIs performances are addressed but, this time, with the emphasis set on the subject-specific discriminative cognitive tasks selection process. In this respect, a set of twelve electroencephalographic (EEG)-discriminative mental tasks was proposed to be studied in conjunction with four different subjects. For each subject, a particular set of four mental tasks was selected. The classification performances corresponding to these particular sets of tasks were obtained using some standard processing methods (i.e., the autoregressive model of the EEG signals and a multilayer perceptron classifier trained with back-propagation algorithm). The superior classification rates achieved for the selected sets compared to other set of mental tasks commonly used in the 4-class BCI studies (i.e. the set proposed by Keirn and Aunon [3]) promote the idea of subject-oriented mental tasks selection process as a necessary preliminary step in any high-quality BCI application.","PeriodicalId":273041,"journal":{"name":"2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies","volume":"140 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122854313","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: 33

Agent-based process-critiquing decision support system 基于agent的流程评价决策支持系统

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373718

B. Bosanský, L. Lhotská

引用次数: 5

Velocity aware vertical handovers 速度感知垂直切换

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies Pub Date : 2009-11-01 DOI: 10.1109/ISABEL.2009.5373642

V. Rakovic, V. Atanasovski, L. Gavrilovska

{"title":"Velocity aware vertical handovers","authors":"V. Rakovic, V. Atanasovski, L. Gavrilovska","doi":"10.1109/ISABEL.2009.5373642","DOIUrl":"https://doi.org/10.1109/ISABEL.2009.5373642","url":null,"abstract":"A wireless heterogeneous network consists of various wireless networks such as Worldwide Interoperability for Microwave Access (WiMAX), Wireless Fidelity (WiFi), cellular networks etc. Vertical handover (VHO) is a procedure that enables continuous seamless communication in these heterogeneous systems. This paper considers the speed as an aspect of motion as input parameters for the handover decision. Two novel methods for speed estimation are proposed: Velocity Aware Handover Approach (VAHA) is the more simple approach and it uses the FSPL equation for estimation of the speed, and Angle of Arrival VAHA (AoA_VAHA) that is more complex and it uses the Angle of Arrival as additional information for the handover decision. The paper analyzes the performance of both methods and compares them to a RAT selection mechanism based on radio quality (RQ) in terms of user's perception quality (jitter), energy efficiency, and signal overhead in the network. Both proposed approaches are analyzed on a hybrid WiMAX — WiFi simulation platform. The results show that AoA_VAHA outperforms the RQ mechanism and the VAHA. The advantage of VAHA is in its simplicity and energy efficiency.","PeriodicalId":273041,"journal":{"name":"2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115325318","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: 8