简介:Arobustdigitalreceiverbasedonamatchedfilter(MF)isproposedfortheradiofrequencyidentification(RFID)readersystemtoenhancethereliabilityofsignalprocessingintheelectronicproductcode(EPC)sensornetwork(ESN).Theperformanceoftheproposedreceiverisinvestigatedbyexaminingtheanti-collisionalgorithmintheEPCglobalClasslGeneration2protocol.Thevalidityandusefulnessaredemonstratedbybothcomputersimulationsandexperiments.Basedontheverificationresults,comparingwiththeconventionalzerocrossingdetector(ZCD)basedreceiver,theproposedreceiverisveryrobustagainststrongamplitudedistortionsandconsiderablefrequencydeviationshappeningonthebackscatteredsignalfromapassivetag.
简介:Asanimportantcomponentofinternetofthings,electronicproductcode(EPC)systemiswidelyusedinmanyareas.However,themassdeploymentofEPCsystemisfrequentlydegradedbysecurityandprivacyproblems.Therefore,themajorresearchesfocusonthedesignofasecureEPCsystemwithhighefficiency.ThispaperdiscussesthesecurityrequirementsofEPCsystemandpresentsauniversalcomposable(UC)modelforEPCsystem,theidealfunctionalityofEPCsystemisalsoformallydefinedwiththeUCframework.ThenasecureprotocolforEPCsystemunderUCframeworkisproposedandtheanalysisofsecurityandperformanceoftheproposedprotocolisgiven,incomparisonwithotherprotocols,theresultsshowthattheproposedprotocolisUCsecureandcanprovideprivacyprotection,untraceability,authorizedaccess,anonymityandconcurrentsecurityforEPCsystem.Furthermore,lesscomputationandstorageresourcearerequiredbytheproposedprotocol.
简介:随着我国10kV客户配电工程市场竞争的日益激烈,将现代工程项目管理思想应用于10kV客户配电工程管理上,对于提高电力企业的市场竞争力具有重要的现实意义。本文首先对配电工程项目管理进行了介绍,在此基础上分析了我国10kV客户配电工程项目的发展现状,最后探讨了10kV客户配电工程项目管理的应用,以期为我国电力企业提供理论和实践参考。