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随着物联网的普及,LoRa作为低功耗与长距离的最佳组合,其应用正在快速增长。如何确保LoRa产品的兼容性及与标准的一致性、如何评价其性能,以及如何选择满足特定应用需求的产品等,都是产品供应商、系统集成商和终端用户共同关心的问题。
上海集成电路技术与产业促进中心(ICC)检测实验室针对LoRa芯片、终端产品开展符合欧标和美标的国家强制测试、调试服务,及对LoRa产品的功耗测试服务。
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支持美洲强制标准:
● Electronic Code of Federal Regulations TITLE
47—Telecommunication CHAPTER I—FEDERAL COMMUNICATIONS COMMISSION SUBCHAPTER
A—GENERAL Part 15 RADIO FREQUENCY DEVICES
标准涵盖主要测试内容有输出功率测试,频谱资源测试(占用带宽,杂散,边带抑制等),载频间隔,谱密度及信号精度测试。
具体测试项目:
1)
Antenna
Requirement
2)
Number
of Hopping Frequencies
3)
Peak
Output Power
4)
Occupied
Bandwidth
5)
Carrier
Frequency Separation
6)
Time of
Occupancy(Dwell time)
7)
Conducted
Spurious Emission & Authorized-band band-dege
8)
Band
Edge(Restricted-band band-edge)
9)
Power
spectral density(PSD)
10)
Conducted
Emission
11)
Radiated
Spurious Emission
支持欧洲强制标准:
● ETSI EN 300 220-1 Short Range Devices (SRD)
operating in the frequency range 25 MHz to 1 000 MHz; Part 1: Technical
characteristics and methods of measurement
● ETSI EN 300 220-2 Short Range Devices (SRD)
operating in the frequency range 25 MHz to 1 000 MHz; Part 2: Harmonised Standard
for access to radio spectrum for non specific radio equipment
标准涵盖主要测试内容有输出功率测试,频谱资源测试(调制带宽,杂散等),接收机灵敏度,接收机抗干扰,信号精度(频率误差,频漂,极限条件下的频率稳定性等)测试。
具体测试项目:
1)
Frequency
error and frequency drift
2)
Average
power (Conducted)
3)
Effective
radiated power
4)
Transient
Power
5)
Modulation
Bandwidth
6)
Unwanted
emissions in the spurious domain
7)
Frequency
stability under low-voltage conditions
8)
Duty
cycle
9)
Blocking
10)
Spurious
radiations
低功耗测试:
支持LoRa产品低功耗测试与分析。可测量LoRa模组启动模式,正常工作模式及空闲模式下的电流、电压和功率。
测试链路搭建:
TX测试链路搭建

RX测试链路搭建


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