MTS_2025_wifi_8_mmwave.pdf

1、1RF and Certification Challenges in mmWave Wi-Fi Presenter:Walid El HajjIntel Corporation,Wireless Test and Certification Center,Antibes,France2Outlines Wi-Fi technology Evolution Key Aspects of IMMW Wi-Fi RF and Antennas challenges in mmW Wi-Fi Certification and test systems challenges OTA and EMC

2、RF Exposure Conclusion3Wi-FI technology EvolutionSource:14Key Aspects of IMMW Wi-Fi High Throughput and low latency Good QoS in dense environment New sensing applications e.g.detection,ranging,gesture recognition Adress the lack of 6GHz band of Wi-Fi in some countriesExample of sensing applicationsS

3、ource:web56mmW RF Front-End Challenges Number of radio technologies increasing with smaller device form factor The diversity of user applications(e.g.,communication,sensing,gaming,localization,etc.)requires more and more complex RF architectures Known challenges of mmW:Beamforming to compensate high

4、 free space losses The multiplication of radio front ends has a direct impact on the complexity,cost,and integration aspects.Importance of AntennaSource:web7IMMW Antenna Challenges Same challenges related to beamforming aspects Typical current mmW antenna arrays are broadside Trade-off is needed bet

5、ween communication and sensing Different designs topologies may be required Integration Aspects Access PointHuman DetectionSensingComm.8IMMW Antenna Challenges Same challenges related to beamforming aspects Typical current mmW antenna arrays are broadside Trade-off is needed between communication an

6、d sensing Different designs topologies may be required Integration Aspects Access PointHuman DetectionSensingComm.9Certification TypesRegulatory CertificationUSEuropeCanadaothersIndustry CertificationGCFPTCRBCTIAWifi-Alliance111-EMC,OTA mmW:Radiated only Test System3D positioning systemDirect vs.Ind