CALM M5
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CALM M5 is the ISO 21215 standard that incorporates WAVE (WAVE PHY/MAC is IEEE 802.11p standard) and adds the following features [1]:
- Global (European) 5 GHz spectrum
- Regulatory domain (border) management
- Directivity and EMC control
- Regional DSRC cooperation
- Multiple radios/interfaces/antenna management through network connection
- GPRS/UMTS/+++ network interconnectivity