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【英文标准名称】:Spacedataandinformationtransfersystems-Proximity-1spacelinkprotocol-Physicallayer
【原文标准名称】:空间数据和信息传输系统.接近1的空间链接协议.物理层
【标准号】:BSISO21460-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:传播学;传播方式;数据交换;数据传送;频率;信息交换;信息传递;物理层;无线电通信链路;无线电波;无线电通信;空间传输;航天安全;航天运输;遥测技术
【英文主题词】:Communication;Communicationprocesses;Dataexchange;Datatransfer;Frequencies;Informationinterchange;Informationtransfer;Physicallayers;Radiolinks;Radiowaves;Radiocommunication;Spaceradiocommunications;Spacesafety;Spacetransport;Telemetry
【摘要】:Proximityspacelinksaredefinedtobeshort-range,bi-directional,fixedormobileradiolinks,generallyusedtocommunicateamongprobes,landers,rovers,orbitingconstellations,andorbitingrelays.Theselinksarecharacterizedbyshorttimedelays,moderate(notweak)signals,andshort,independentsessions.ISO21460:2006definestheProximity-1spacelinkprotocolphysicallayer.Thespecificationforthechannelconnectionprocess,provisionforfrequencybandsandassignments,hailingchannel,polarization,modulation,datarates,andperformancerequirementsaredefinedinISO21460:2006.Currently,thephysicallayeronlydefinesoperationsatUHFfrequenciesfortheMarsenvironment.ISO21460:2006doesnotspecify-individualimplementationsorproducts,-implementationofserviceinterfaceswithinrealsystems,-methodsortechnologiesrequiredtoperformtheprocedures,or-managementactivitiesrequiredtoconfigureandcontroltheprotocol.
【中国标准分类号】:V04
【国际标准分类号】:49_140
【页数】:40P;A4
【正文语种】:英语