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新的“蓝牙
5.0射频测试系统作为全球应用最为广泛短距离通信技术之一的蓝牙,蓝牙技术联盟(SIG)发布了蓝牙
5.0,蓝牙完美的兼容在现有蓝牙的基础上,重点提升了蓝牙低功耗技术性能,与蓝牙
4.2相比,低功耗传输速率提升2倍,传输距离提升4倍,传输容量增加至8倍,同时改善了蓝牙在全球环境中与其他通信技术兼容蓝牙
5.0新增功能如下
1.LE2M PHY:指在测试模式时使用2Msym/s符号速率传输有效载荷为PRBS9的LE测试包的测试Case;
2.Stable Modulation Index:指在接收机性能测试时,设备的发射机需要设置在稳定调制特性状态下
3.LE CodedPHY:在射频测试中分为S=2和S=8两种情况,在测试中使用规定的数据包Item CapabilityStatusSupport1LE TransmitterNon-connectable,Broadcaster C.1[Yes]or[No]2LE ReceiverNon-connectable,Observer C.1□□3LE TransceiverConnectable.Peripheral/Central C.1□□4LE2M PHY—fC.2SI H5Stable Modulation Index-Transmitter C.3□□6Stable Modulation Index-Receiver C.47LE CodedPHY]C.2□白C1Mandatory tosupport atleast oneof thesecapabilities□□C2Optional IF-Core50-AND RFPHY1/3IE Transceiverare supported,otherwise□□ExcludedC3Optional IFCore50AND RFPHY1/1-LE TransmitterOR RFPHY1/3-LE Transceiverare supported,otherwiseExcludedC4:Optional IF-Core50*AND RFPHY1/2-LE Receiver*OR RFPHY1/3TE Transceiverare supportedotherwtse Excluded蓝牙
5.0在低功耗技术性能上的提升伴随着认证时在低功耗部分测试项的增加,新增了37个测试用例,新增测试用例均针对蓝牙5的新特性,具体新增测试用例如下(干货测试用例描述TP/TRM-LE/CA/BV-In-band emissionsat2Ms/s2Mb/s速率下的带内杂散08-CTP/TRM-LE/CA/BV-Stable ModulationIMb/s速率下的稳定调制特09-C Characteristicsat1Ms/s性TP/TRM-LE/CA/BV-Modulation Characteristicsat22Mb/s速率下的调制特性10-C Ms/sTP/TRM-LE/CA/BV-Stable Modulation2Mb/s速率下的稳定调制特性11-C Characteristicsat2Ms/sTP/TRM-LE/CA/BV-Carrier frequencyoffset anddrift2Mb/s速率下的载波频率偏差12-C at2Ms/s和漂移TP/TRM-LE/CA/BV-Modulation Characteristics,LE低功耗蓝牙编码调制特性13-C CodedS=8S=8TP/TRM-LE/CA/BV-Carrier frequencyoffset and低功耗蓝牙编码载波频率偏14-C drift,LE CodedS=8差和漂移TP/RCV-LE/CA/BV-2Mb/s速率下的接收机灵敏度Receiver sensitivityat2Ms/s08-CTP/RCV-LE/CA/BV-C/I andReceiver Selectivity2Mb/s速率下的载干比和接收09-C Performance at2Ms/s机性能TP/RCV-LE/CA/BV-Blocking performanceat2Ms/s2Mb/s速率下的阻塞性能10-CTP/RCV-LE/CA/BV-Intermodulation performanceat22Mb/s速率下的互调性能11-C Ms/sTP/RCV-LE/CA/BV-Maximum inputsignal levelat22Mb/s速率下的最大输入电平12-C Ms/s信号TP/RCV-LE/CA/BV-2Mb/s速率下的误包率报告机PER ReportIntegrity at2Ms/s13-C制TP/RCV-LE/CA/BV-Receiver Sensitivityat NOC,稳定调制指数下的常温接收14-C Stable ModulationIndex机灵敏度C/I andReceiver SelectivityTP/RCV-LE/CA/BV-稳定调制指数下的载干比和Performance,Stable Modulation15-C接收机性能IndexTP/RCV-LE/CA/BV-Blocking Performance,Stable稳定调制指数下的阻塞性能16-C Modulation IndexTP/RCV-LE/CA/BV-Intermodulation Performance,稳定调制指数下的互调性能17-C Stable Modulation IndexTP/RCV-LE/CA/BV-Maximum inputsignal level,Stable稳定调制指数下的最大输入18-C ModulationIndex电平信号TP/RCV-LE/CA/BV-PER ReportIntegrity,Stable稳定调制指数下的误包率报19-C ModulationIndex告机制TP/RCV-LE/CA/BV-Receiver sensitivityat2Ms/s,稳定调制指数下的2Mb/s接收20-C StableModulationIndex机灵敏度C/I andReceiver SelectivityTP/RCV-LE/CA/BV-稳定调制指数下的2Mb/s载干Performanceat2Ms/s,Stable21-C比和接收机性能ModulationIndexTP/RCV-LE/CA/BV-Blocking performanceat2Ms/s,稳定调制指数下的2Mb/s阻塞22-C StableModulationIndex性能TP/RCV-LE/CA/BV-Intermodulation performanceat2稳定调制指数下的2Mb/s互调23-C Ms/s,StableModulationIndex性能TP/RCV-LE/CA/BV-Maximum inputsignal levelat2稳定调制指数下的2Mb/s接收24-C Ms/s,StableModulationIndex机灵敏度BALUN新增的射频测试系统CTTL-RTSB-A,支持经典蓝牙和低功耗蓝牙的射频测试,满足SIG对蓝牙
5.0射频测试的所有要求,该测试系统由中国泰尔实验室研发,是SIG颁布的最新TCRL的认可测试设备。
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