The document provides an overview of vehicle-to-everything (V2X) communication technologies, categorizing them into vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), and vehicle-to-pedestrian (V2P) communications. It discusses the ecosystem, technology roadmap, and standards required for V2X, highlighting the importance of collaboration for successful commercialization and the challenges related to low latency, network architecture, and data management. Additionally, it addresses the evolution toward 5G capabilities and the necessary requirements for future V2X services.

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V2X Overview
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“Today’s automobile represents the most sophisticated technology
owned by most consumers.” – Auto Alliance
Three categories (V2X):
• Vehicle-to-Vehicle (V2V) communication
• Vehicle-to-Infrastructure (V2I) communication
• Vehicle-to-Pedestrian (V2P) communication
Hot-Spot
Beacon
Navigation (e.g. GPS)
Broadcast
Vehicle-to-Vehicle: (Radar, DSRC, Navigation)
Cellular
connectivity
D2D/D2V

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Ecosystem Overview
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Network
Hardware
Software
mirrorlink.com
openautoalliance.net
http://www.autoalliance.org
att.com
apple.com/ios/carplay
Cisco.com

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Technology Roadmap for V2X
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Leverage commonality with mobile radio/processor implementations
Software-upgrade friendly due to potentially longer product cycles
Collaboration across the ecosystem is key for successful commercialization
http://www.kitguru.net/laptops/mobile/anton-shilov/qualcomm-unveils-
worlds-first-20nm-4glte-advanced-chip/
1. 4G/LTE CAT-6
2. 20 nm
3. GNSS
4. LTE FDD/TDD
5. 802.11ac
6. BT 4.1
7. DSRC
8. Snapdragon
Standardization IntegrationR&D

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Open Interconnect Consortium (OIC)
5 / 10
• A single connectivity framework for IoT devices across multiple vertical markets
using common interoperable approach
• Secure and reliable device discovery
• Intelligently manages the flow of information, regardless of form factor, operating
system or service provider.
• OIC develops standards and open source code spanning multiple OSs and platforms
• Initial open source code available in Sept. 2014

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V2X Standards/Building blocks
6 / 10
• LTE is increasingly being used to provide V2I connectivity
• DSRC provides connectivity on top of 802.11 PHY/MAC
• WAVE protocol provides resource management and
security
• Provides an abstraction layer for vehicle applications,
managing communication for multiple concurrent sessions
spanning all modes (V2V, I2V, I2I), and all methods of
transmission (LTE, radar, WiFi, etc.)
• V2X gateway for routing heterogeneous links
• Regulatory bodies endorse standards as component
building blocks within the overall framework
• Focus on safety applications and interoperability
• Spectrum issues
PHY/MAC
Network/Application Layer
ITS Framework

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V2X Technical Challenges
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Traffic: Low-latency/high-data rate applications
Access: Large node density variations / short link lifetimes
Network: Optimal architecture

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3GPP Standards Roadmap
8 / 10
• Massive-scale resource allocation with low overhead
• Feedback mechanisms targeting vehicular speeds
• Low latency and critical control message support
Rel-14: V2X
• Low-cost UE category with reduced
RF/baseband functionality
• Optimized PHY/MAC for periodic
fixed-size data packets
Rel-13: Machine Type Communication (MTC)
• Network-assisted or ad-hoc D2D
broadcast communication
• Power-efficient, scalable device discovery
Rel-12 D2D
2014
2015
2016

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V2X and 5G
9 / 10
New requirements/services for V2X:
- Targeting 1 ms end-to-end latency (in the RAN)
- Ubiquitous coverage (no cell-edge)
- Flexible support for multiple V2X modes (V, P, I)
- High-data rate software services for the vehicle (> 1 Gbps)
Challenges:
- Centralized vs. distributed control
- Data management for V2X
- RF/Antenna design
- Infrastructure topology
Samsung 5G “rainbow of requirements”

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