NGV Terminology Date: Authors: July 2018

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Presentation transcript:

NGV Terminology Date: 2018-07-12 Authors: July 2018 May 2018 doc.: IEEE 802.11-18/0933r0 July 2018 NGV Terminology Date: 2018-07-12 Authors: Onn Haran (Autotalks) Onn Haran (Autotalks)

Terminology Onn Haran, Autotalks Interoperability – IEEE802.11p devices to be able to decode at least one mode transmission of NGV device, and NGV devices to be able to decode IEEE802.11p transmissions Co-existence – IEEE802.11p devices to be able to detect NGV transmissions (and hence defer from transmissions during NGV transmissions causing collisions) and vice versa Backward compatibility – Ability of NGV devices to operate in a mode in which they can interoperate with IEEE802.11p devices Fairness – Ability of IEEE802.11p devices to have the same opportunities as NGV devices to access the channel Onn Haran, Autotalks

NGV Device Modes Mode transition (backward compatibility) TX: New PHY July 2018 NGV Device Modes Mode transition (backward compatibility) TX: New PHY 11p device is aware of messages but can’t decode (coexistence) TX: 11p messages 11p device decodes messages (interoperate) RX: Both NGV and 11p messages Onn Haran (Autotalks)

NGV Transmit Mode Transitions July 2018 NGV Transmit Mode Transitions Transmit mode may change packet-by-packet Mode is determined according to transmitted service and discovery of IEEE802.11p vehicles registered to the service NGV device may use a different TX mode per service TX mode used for service may change dynamically according to IEEE802.11p discovery Mode determination layer requires further study Service-aware layer (i.e. IEEE1609 in US; ETSI ITS-G5 in EU) for advertised services PHY layer (i.e. NGV) for non-advertised services Onn Haran (Autotalks)

Enhanced Interoperable Mode July 2018 Enhanced Interoperable Mode NGV interoperable mode may be enhanced if interoperability is maintained Transmitter Receiver Performance 11p Baseline NGV At least as good as baseline NGV @11p mode Improved Onn Haran (Autotalks)

Backward Compatible Network July 2018 Backward Compatible Network NGV 11p Onn Haran (Autotalks)

July 2018 Straw poll Do you agree to adopt the terminology on slide 2 in the document #1307 for ongoing discussions? Y: 26 N: 2 A: 20 Onn Haran (Autotalks)