作為全球應用最為廣泛短距離通信技術之一的藍牙,藍牙技術聯盟(SIG)發布了藍牙5.0,藍牙完美的兼容在現有藍牙的基礎上,重點提升了藍牙低功耗技術性能,與藍牙4.2相比,低功耗傳輸速率提升2倍,傳輸距離提升4倍,傳輸容量增加至8倍,同時改善了藍牙在全球環境中與其他通信技術兼容。
藍牙5.0新增功能如下:
1. LE 2M PHY: 指在測試模式時使用2Msym/s符號速率傳輸有效載荷為PRBS9的LE測試包的測試Case;
2. Stable Modulation Index: 指在接收機性能測試時,設備的發射機需要設置在穩定調制特性狀態下。
3. LE Coded PHY: 在射頻測試中分為S=2和S=8兩種情況,在測試中使用規定的數據包。
藍牙5.0在低功耗技術性能上的提升伴隨著認證時在低功耗部分測試項的增加,新增了37個測試用例,新增測試用例均針對藍牙5的新特性,具體新增測試用例如下:
測試用例 |
描述 |
|
TP/TRM-LE/CA/BV-08-C |
In-band emissions at 2 Ms/s |
2Mb/s速率下的帶內雜散 |
TP/TRM-LE/CA/BV-09-C |
Stable Modulation Characteristics at 1 Ms/s |
1Mb/s速率下的穩定調制特性 |
TP/TRM-LE/CA/BV-10-C |
Modulation Characteristics at 2 Ms/s |
2Mb/s速率下的調制特性 |
TP/TRM-LE/CA/BV-11-C |
Stable Modulation Characteristics at 2 Ms/s |
2Mb/s速率下的穩定調制特性 |
TP/TRM-LE/CA/BV-12-C |
Carrier frequency offset and drift at 2 Ms/s |
2Mb/s速率下的載波頻率偏差和漂移 |
TP/TRM-LE/CA/BV-13-C |
Modulation Characteristics, LE Coded (S=8) |
低功耗藍牙編碼調制特性(S=8) |
TP/TRM-LE/CA/BV-14-C |
Carrier frequency offset and drift, LE Coded (S=8) |
低功耗藍牙編碼載波頻率偏差和漂移 |
TP/RCV-LE/CA/BV-08-C |
Receiver sensitivity at 2 Ms/s |
2Mb/s速率下的接收機靈敏度 |
TP/RCV-LE/CA/BV-09-C |
C/I and Receiver Selectivity Performance at 2 Ms/s |
2Mb/s速率下的載干比和接收機性能 |
TP/RCV-LE/CA/BV-10-C |
Blocking performance at 2 Ms/s |
2Mb/s速率下的阻塞性能 |
TP/RCV-LE/CA/BV-11-C |
Intermodulation performance at 2 Ms/s |
2Mb/s速率下的互調性能 |
TP/RCV-LE/CA/BV-12-C |
Maximum input signal level at 2 Ms/s |
2Mb/s速率下的最大輸入電平信號 |
TP/RCV-LE/CA/BV-13-C |
PER Report Integrity at 2 Ms/s |
2Mb/s速率下的誤包率報告機制 |
TP/RCV-LE/CA/BV-14-C |
Receiver Sensitivity at NOC, Stable Modulation Index |
穩定調制指數下的常溫接收機靈敏度 |
TP/RCV-LE/CA/BV-15-C |
C/I and Receiver Selectivity Performance, Stable Modulation Index |
穩定調制指數下的載干比和接收機性能 |
TP/RCV-LE/CA/BV-16-C |
Blocking Performance, Stable Modulation Index |
穩定調制指數下的阻塞性能 |
TP/RCV-LE/CA/BV-17-C |
Intermodulation Performance, Stable Modulation Index |
穩定調制指數下的互調性能 |
TP/RCV-LE/CA/BV-18-C |
Maximum input signal level, Stable Modulation Index |
穩定調制指數下的最大輸入電平信號 |
TP/RCV-LE/CA/BV-19-C |
PER Report Integrity, Stable Modulation Index |
穩定調制指數下的誤包率報告機制 |
TP/RCV-LE/CA/BV-20-C |
Receiver sensitivity at 2 Ms/s, Stable Modulation Index |
穩定調制指數下的2Mb/s接收機靈敏度 |
TP/RCV-LE/CA/BV-21-C |
C/I and Receiver Selectivity Performance at 2 Ms/s, Stable Modulation Index |
穩定調制指數下的2Mb/s載干比和接收機性能 |
TP/RCV-LE/CA/BV-22-C |
Blocking performance at 2 Ms/s, Stable Modulation Index |
穩定調制指數下的2Mb/s阻塞性能 |
TP/RCV-LE/CA/BV-23-C |
Intermodulation performance at 2 Ms/s, Stable Modulation Index |
穩定調制指數下的2Mb/s互調性能 |
TP/RCV-LE/CA/BV-24-C |
Maximum input signal level at 2 Ms/s, Stable Modulation Index |
穩定調制指數下的2Mb/s接收機靈敏度 |
BALUN新增的射頻測試系統CTTL - RTSB-A ,支持經典藍牙和低功耗藍牙的射頻測試,滿足SIG對藍牙5.0射頻測試的所有要求,該測試系統由中國泰爾實驗室研發,是SIG頒布的最新TCRL的認可測試設備。