Car-to-everything Communication (c2x) – The number of vehicles on the road is increasing day by day, which leads to traffic accidents and traffic jams. In order to improve road safety by reducing the number of traffic accidents, vehicles must be able to receive traffic, accident and situational information. road surface etc. The information helps the vehicles to take appropriate protective measures by communicating with each other.
To address these challenges, the concept of V2X communication has been introduced, where vehicles are able to communicate with other vehicles and the existing infrastructure on the road. The concept of V2X communication can be thought of as a wireless technology that allows wireless sensor networks or vehicles to exchange information over communication channels.
Car-to-everything Communication (c2x)
Standardization based on WLAN-V2X is very different from Cellular-V2X connection. The specifications for WLAN-based V2X communication are published by the IEEE based on the IEEE 802.11p protocol. IEEE 802.11p is a licensed modification of the IEEE 802.11 standard used to add wireless connectivity to vehicular environments. Direct communication between V2V and V2I is possible using the 5.9 GHz licensed Intelligent Transport System (ITS) band using IEEE 802.11p. WLAN-based V2X communication is called short-range communication (DSRC). DSRC consists of standards set by the IEEE (Institute of Electrical and Electronics Engineers) and the Society of Automotive Engineers (SAE). DSRC uses the 802.11p protocol at the physical and access control (MAC) layers. Using the protocol at the physical and MAC layers allows vehicles to transmit safety information directly to pedestrians and neighboring vehicles.
G Communication Provides New Functions For V2x Applications
Another technology used in V2X communication is cellular V2X, also known as C-V2X. V2X based on cellular communication technology was developed in 3GPP. In Release 14, 3GPP defined V2X communication specifications to support LTE-based V2X services as a core technology. Because the C-V2X function is based on LTE, C-V2X is often referred to as LTE-V2X. Functions supported by C-V2X include direct V2V, V2I, V2P, and V2N connections. C-V2X has several advantages over IEEE-based V2X communication, including C-V2X extended coverage, identity security, guaranteed Quality of Service (QoS), improved maintenance, and more. Recommended applications include smart vehicles and smart connected vehicles. and autonomous driving etc.
1609.2-2016 – IEEE Standard for Wireless Access in the Vehicular Environment – Security Services… This standard defines secure message formats and processing for Wireless Access in the Vehicular Environment (WAVE) applications… ieeexplore.ieee.org
ITS Standards Program | Fact | ITS Standards Data Sheet IEEE 1609 – Family of Standards for Wireless Access in the Vehicular Environment (WAVE) This data sheet is… www.standards.its.dot.gov
Www.3gpp.org – /ftp/Specs/archive/36_series/36.885/ To parent directory] 23/23/2015 12:11 131809 36885-001.zip 09/23/2015 12:13 78 PM312 /12/2015 10:28 am… www.3gpp.org
Pdf) Car 2 X Communication Sdk
802.11p-2010 – IEEE Standard for Information Technology – Rural and Urban Area Networks … This amendment defines extensions to IEEE Std 802.11 that provide wireless connectivity for wireless local area networks (WLANs) … ieeexplore.ieee.orgHildesheim, Germany / Mountain View, USA – What is true for people is also true for machines: communication works best with a common language and good connections. To enable future connected and automated driving, vehicles must be able to easily communicate with each other and their environment. Currently, there is no global vehicle-to-everything technical framework for data exchange known as V2X. Instead, cars in the future will communicate using different standards implemented by countries around the world and car manufacturers. “Bosch takes a multi-standard approach to V2X. We have created a universal connection unit that can communicate using all transmission standards used in connected cars,” says Dr. Dirk Hoheisel, Member of the Board of Management of Robert Bosch GmbH.
Bosch takes a multi-standard approach to V2X. We have created a universal connectivity unit that can communicate using all transmission standards implemented in connected machines. Dr. Dirk Hoheisel is a member of the Board of Directors of Robert Bosch GmbH
The best thing here is that Bosch has integrated the connectivity units and the telematics units separately – with only one transmission technology and the ability to create one central control unit for V2X data communication. Cars can then use existing Wi-Fi networks in cities and connect elsewhere using cellular networks. The complex task of managing these various communication options is handled by the Silicon Valley-based Veniam software solution. It continuously searches for the best transmission technology for specific requirements and automatically switches between available options. Thus, the software ensures continuous and seamless communication between cars, for example, cars can reliably warn each other of accidents, and passengers can listen to a continuous stream of music.
In Europe, the United States and China alone, the number of connected vehicles on the road is expected to exceed 470 million by 2025 (source: PwC). First, most vehicles will connect directly to the cloud; However, with V2X, an increasing number of vehicles will be able to communicate directly with each other in the future, such as signals, road construction sites, pedestrian crossings, buildings, etc. communicate and then warn each other. in hazards such as backhaul, accidents, and icing. Vehicles can also use green waves because they can tell when the next traffic light will turn green. After that, the vehicle can adjust its speed. This ensures smooth traffic flow especially in cities. However, there is currently no universally accepted standard for V2X communication. China primarily uses cellular V2X (C-V2X) technology based on mobile phones, while Europe and the US plan to adopt Wi-Fi-based transmission standards (DSRC and ITS-G5) along with C-V2X. Therefore, standards are emerging internationally that can lead to vehicle communication problems. However, this will not be the case when cars are equipped with Bosch universal connection units in the future. Connected vehicles can communicate with each other and their environment, regardless of the vehicle’s manufacturer or country of use. This will make V2X communication more secure and reliable. “Thanks to Bosch’s unique approach to connected vehicles, as many drivers as possible around the world can benefit from the added safety, comfort and convenience of V2X,” said Dirk Hoheisel.
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The unique combination of Veniam’s intelligent network software and Bosch connectivity units significantly increases the vehicle’s data processing capacity, enabling innovative cloud services and future-safe mobility. João Barros, Founder and CEO of Veniam
Veniam software is a connector lifter for Bosch connector units. While considering which V2X communication technology to use today, not every technology is right for the situation, so the cost and data transfer latency of each alternative connection option is closely monitored. For example, every millisecond counts when signaling another vehicle trying to pull a driver over from a side street. This type of critical information must be transmitted using highly reliable technology that is ready to be used in real time – even if this means more data transmission costs. On the other hand, software updates from the cloud or map updates for the navigation system can be put on hold until a cheaper fixed Wi-Fi network is available. A large amount of data can be transferred over Wi-Fi in a short time, but the disadvantage is that public and home Wi-Fi hotspots are not always available. Veniam’s software knows the strengths and weaknesses of each communication method and always creates an optimal connection. “The unique combination of Veniam’s intelligent communication software and Bosch connectivity greatly increases vehicle data processing capabilities, enabling cloud services and future-safe mobility,” said Joao Barros, Veniam’s founder and CEO. At the world’s largest consumer electronics show in Las Vegas, Bosch and Williams won the CES 2019 Innovation Award in the Automotive Intelligence and Self-Driving Technology category for their jointly developed solution.
In Europe’s largest field test so far (simTD, Safe Intelligent Mobility – Test Field Germany), V2X communication has been proven suitable for everyday use in everyday conditions and in laboratory simulations. Bosch played an important role in this joint project. Since February 2017, Bosch and Vodafone have been conducting Europe’s first V2X communication trials with their first 5G test modules. The A9 highway in Bavaria, north of Munich, is a field test site that focuses on early warning systems.
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