{"id":7994,"date":"2018-11-11T11:28:12","date_gmt":"2018-11-11T10:28:12","guid":{"rendered":"https:\/\/future-markets-magazine.com\/?p=7994"},"modified":"2019-01-11T11:28:21","modified_gmt":"2019-01-11T10:28:21","slug":"car-to-car-communication","status":"publish","type":"post","link":"https:\/\/future-markets-magazine.com\/en\/markets-technology-en\/car-to-car-communication\/","title":{"rendered":"Autonomous driving is inconceivable without wireless technologies"},"content":{"rendered":"<p class=\"p1\"><span class=\"s1\"><b>Be it for <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/streaming\/\" target=\"_blank\" title=\"The continuous transfer of compressed data in the form of a data stream over the&hellip;\" class=\"encyclopedia\">streaming<\/a> your favourite music, sending e-mails or getting real-time information on traffic jams: cars have long since played host to mobile Internet. Barely a single car rolls off the production line today without one wireless technology on board, although more often several such systems for car to car communication.<\/b><\/span><\/p>\n<p class=\"p1\">In fact, such wireless technologies are used before you even get into the car: keyless systems, such as those which operate with an <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/rfid\/\" target=\"_blank\" title=\"Radio-Frequency-Identification\" class=\"encyclopedia\">RFID<\/a> chip, have enabled cars to be unlocked for several years already without even needing to hold the key in your hand.<\/p>\n<p class=\"p1\">With the latest systems &ndash; where a smartphone completely replaces the car key &ndash; it is possible to entirely forego the bother of rummaging around for the right key.<\/p>\n<p class=\"p1\">Perfectly Keyless from Bosch is one example of this type of digital key. To use it, the driver downloads an app to their smartphone, which they then connect to the vehicle via <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/bluetooth-low-energy\/\" target=\"_blank\" title=\"Highly energy-efficient variant of Bluetooth, standardised primarily for the transfer of sensor values and control&hellip;\" class=\"encyclopedia\">Bluetooth Low Energy<\/a>.<\/p>\n<p class=\"p1\">After doing so, a unique security key is generated on the smartphone that fits the digital lock in the vehicle. Using sensors installed in the vehicle, Perfectly Keyless measures the distance from the smartphone and identifies the security key.<\/p>\n<p class=\"p1\">&ldquo;Once detected, the system unlocks the car without any need to look for the key, starts the car and even locks it again when the journey has ended,&rdquo; explains Harald Kr&ouml;ger, who heads the Automotive Electronics Division at Bosch.<\/p>\n<p class=\"p1\">Furthermore, the registered vehicle owner can use the app to enable other users, too. An additional key is then sent to the other smartphones via the <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/cloud\/\" target=\"_blank\" title=\"Provision of IT resources over the Internet on demand, billed according to actual usage.\" class=\"encyclopedia\">cloud<\/a>; securely and protected against unauthorised access.<\/p>\n<p class=\"p1\">Doing so also enables sharing providers and vehicle-fleet operators to flexibly manage who has access to their vehicles and when.<\/p>\n<h2 class=\"p2\"><span class=\"s1\"><b>Running diagnostics while driving<\/b><\/span><\/h2>\n<p class=\"p1\">Networking can also be useful for vehicle maintenance. Texa, for example, has developed a solution which links the respective vehicle diagnostic system via smartphone to the maintenance and management software used in the workshop or by the fleet manager.<\/p>\n<p class=\"p1\">The system &ndash; named eTruck &ndash; is inserted into the OBD diagnostic interface in the vehicle, after which it connects to the corresponding app on the driver&rsquo;s smartphone via <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/bluetooth\/\" target=\"_blank\" title=\"Internationally standardised wireless data interface. It enables different mobile devices, such as mobile phones or&hellip;\" class=\"encyclopedia\">Bluetooth<\/a>.<\/p>\n<p class=\"p1\">Via the mobile wireless connection of the smartphone, for example, the workshop can then remotely monitor the vehicle&rsquo;s status at all times, read out and delete errors or manage functions used to adjust the ideal vehicle conditions, such as the regeneration of the diesel particulate filter.<\/p>\n<h2 class=\"p2\"><span class=\"s1\"><b>Turning a car into a hotspot<\/b><\/span><\/h2>\n<p class=\"p1\">Aside from handy features such as keyless systems or remote maintenance, entertainment solutions in cars are <span class=\"s2\">another important application for wireless technologies &ndash; <\/span>drivers (and passengers) are increasingly expecting the same degree of connectivity in the car that they enjoy in the workplace or at home.<\/p>\n<p class=\"p1\">So-called &ldquo;in-car hotspots&rdquo; have been gaining ground for a number of years already: in the case of such hotspots, data signals are received by the vehicle&rsquo;s antenna.<\/p>\n<p class=\"p1\">A special wireless <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/router\/\" target=\"_blank\" title=\"Device interconnecting multiple computer networks.\" class=\"encyclopedia\">router<\/a> and a data-enabled SIM card process the signals and establish a wireless connection to the Internet in the vehicle, even while it is in motion.<\/p>\n<p class=\"p1\">As multimedia boxes, the hotspots not only receive data, but also radio or even TV signals. For such purposes, smart antennas such as those supplied by Hirschmann Car Communication combine a transceiver, tuner and antenna in one single unit, thus joining a variety of services such as radio, <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/gps\/\" target=\"_blank\" title=\"Global Positioning System\" class=\"encyclopedia\">GPS<\/a>, mobile communications, eCall, TV and Car-to-X together at one central point in the vehicle.<\/p>\n<h2 class=\"p1\"><span class=\"s1\">p<\/span><span class=\"s2\">WLAN\/IEEE 802.11p<\/span><\/h2>\n<p class=\"p2\"><span class=\"s3\"><div class=\"su-note\" style=\"border-color:#e5e5e5;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#ffffff;border-color:#ffffff;color:#000000;\">The standard <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/ieee-802-11\/\" target=\"_blank\" title=\"Standard for local wireless networks. The various versions of the standards differ in terms of&hellip;\" class=\"encyclopedia\">IEEE 802.11<\/a>p released in 2010 is an expansion of the IEEE-802.11 standard, i.e. conventional <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/wi-fi\/\" target=\"_blank\" title=\"Designation for a consortium of companies issuing certification of devices with wireless interfaces as well&hellip;\" class=\"encyclopedia\">Wi-Fi<\/a>. This wireless technology is custom-tailored to meet the requirements of the automotive industry, thereby presenting a reliable interface for the applications of intelligent transport systems (ITS). The boundary conditions for this standard envisage a driving speed of up to 200 km\/h, a range of 1 km and a data transfer rate of between 4 ms and 50 ms, in addition to a latency time of 4 ms. pWLAN makes use of the high data rate of 54 Mbps in the 5 GHz band.<\/div><\/div><\/span><\/p>\n<h2 class=\"p2\"><span class=\"s1\"><b>Car to car communication<\/b><\/span><\/h2>\n<p class=\"p1\"><span class=\"s3\">Car-to-X, also known as <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> or Vehicle-to-X, is surely the most important current trend when it comes to wireless technologies for the automotive sector. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">The term refers to the networking of vehicles with each other and also between vehicles and transport infrastructure. Its aim is to reduce road accidents or at least mitigate the consequences. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">Volkswagen, for example, is rolling out its first model series equipped with pWLAN as standard from 2019 onwards with a view to exchanging selected traffic-relevant information between different manufacturers. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">The technology used by Volkswagen is based on the <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/ieee-802-11\/\" target=\"_blank\" title=\"Standard for local wireless networks. The various versions of the standards differ in terms of&hellip;\" class=\"encyclopedia\">IEEE 802.11<\/a>p standard, which the automotive industry has standardised for direct communication by vehicles among themselves and with transport infrastructure, and tested across different manufacturers in international markets. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">Using the technology in question, which has been developed and validated especially for automotive requirements, traffic-relevant information, warnings and even sensor data can be exchanged with the immediate environment within a matter of a few milliseconds. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">Doing so enables the coverage of the vehicle in question to be expanded by several hundred metres, allowing it to look around the next bend, in a manner of speaking. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">&ldquo;We want to increase road safety by networking vehicles. The most efficient way of doing this is by quickly distributing a common technology,&rdquo; says Johannes Neft, Head of Vehicle Body Development at Volkswagen. <\/span><span class=\"s3\">&ldquo;What&rsquo;s important is a consistently implemented technology used by as many manufacturers and partners as possible.&rdquo;<\/span><\/p>\n<h2 class=\"p2\"><span class=\"s1\"><b>Intelligent intersections<\/b><\/span><\/h2>\n<p class=\"p1\">Automotive supplier Continental is also setting its sights on using adapted <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/wi-fi\/\" target=\"_blank\" title=\"Designation for a consortium of companies issuing certification of devices with wireless interfaces as well&hellip;\" class=\"encyclopedia\">Wi-Fi<\/a> technology for applications such as making road intersections more communicative.<\/p>\n<p class=\"p1\">By the end of 2018, an intersection in Columbus, Ohio, will be equipped with the appropriate cameras, <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/radar\/\" target=\"_blank\" title=\"Radio detection and ranging\" class=\"encyclopedia\">radar<\/a> and <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/lidar\/\" target=\"_blank\" title=\"A method of optical distance and speed measurement related to radar. It involves the emission&hellip;\" class=\"encyclopedia\">lidar<\/a> to enable it to detect road users in its immediate surroundings and send data from relevant objects via dedicated short-range communication (<a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/dsrc\/\" target=\"_blank\" title=\"WLAN variant for ad-hoc communication in the 5-GHz frequency band of IEEE 802.11p. DSRC is&hellip;\" class=\"encyclopedia\">DSRC<\/a>) to all vehicles approaching the intersection.<\/p>\n<p class=\"p1\">The <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/dsrc\/\" target=\"_blank\" title=\"WLAN variant for ad-hoc communication in the 5-GHz frequency band of IEEE 802.11p. DSRC is&hellip;\" class=\"encyclopedia\">DSRC<\/a> technology developed in the USA is &ndash; like its European counterpart C-ITS (Cooperative Intelligent Transport Systems) &ndash; essentially a <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/wi-fi\/\" target=\"_blank\" title=\"Designation for a consortium of companies issuing certification of devices with wireless interfaces as well&hellip;\" class=\"encyclopedia\">Wi-Fi<\/a> system based on the latest standard <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/ieee-802-11\/\" target=\"_blank\" title=\"Standard for local wireless networks. The various versions of the standards differ in terms of&hellip;\" class=\"encyclopedia\">IEEE 802.11<\/a>p and custom-tailored to the particular requirements of automotive applications, such as high speeds.<\/p>\n<p class=\"p1\">The <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/dsrc\/\" target=\"_blank\" title=\"WLAN variant for ad-hoc communication in the 5-GHz frequency band of IEEE 802.11p. DSRC is&hellip;\" class=\"encyclopedia\">DSRC<\/a> control unit in the vehicle receives the information, verifies its relevance and triggers the appropriate reaction as soon as a critical situation is detected.<\/p>\n<p class=\"p1\">&ldquo;This gives the driver or smart on-board system in question an invaluable head-start for initiating countermeasures before the problem in question even becomes visible,&rdquo; says Bastian Zydek, who led the Intelligent Intersection Project at Continental.<\/p>\n<p class=\"p1\">&ldquo;With the technology for intelligent intersections, we are offering a new safety module that is an ideal fit for the smart cities of the future. The intelligent intersection is a very good example of how various technologies can dovetail with each other to boost safety and is another step along the path towards our &lsquo;Vision Zero&rsquo; &ndash; the goal of accident-free driving.&rdquo;<\/p>\n<h2 class=\"p2\"><span class=\"s1\"><b>Wireless technology for automated driving<\/b><\/span><\/h2>\n<p class=\"p1\"><span class=\"s3\">Nonetheless, Continental is also testing a different type of wireless technology for Car-2-X communication: with C-<a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> (Cellular Vehicle-to-Everything), road users will not only be able to communicate via <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/lte\/\" target=\"_blank\" title=\"Long Term Evolution\" class=\"encyclopedia\">LTE<\/a> in the future, but also via the 5G mobile-communication network. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">For this purpose, a corresponding chipset will be integrated into the telematics unit in the vehicle that enables direct communication without necessarily needing to fall back on the network. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">Doing so will result in advantages such as improved connectivity, a wider range, higher energy efficiency and lower latency. Even if C-<a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> is a competitor to technologies based on <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/ieee-802-11\/\" target=\"_blank\" title=\"Standard for local wireless networks. The various versions of the standards differ in terms of&hellip;\" class=\"encyclopedia\">IEEE 802.11<\/a>p, experts predict that both systems will coexist &ldquo;peacefully&rdquo;. <\/span><\/p>\n<p class=\"p1\"><span class=\"s3\">Although <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/dsrc\/\" target=\"_blank\" title=\"WLAN variant for ad-hoc communication in the 5-GHz frequency band of IEEE 802.11p. DSRC is&hellip;\" class=\"encyclopedia\">DSRC<\/a>\/802.11p technology is already mature and ready for use in <a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> systems today, C-<a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> at least represents a prospect for the future, as emphasised by Joachim G&ouml;thel, Senior Manager Project 5G-Alliance at BMW: &ldquo;C-<a href=\"https:\/\/future-markets-magazine.com\/en\/encyclopedia\/v2x\/\" target=\"_blank\" title=\"Communication between a vehicle and any other party (V2V = vehicle, V2I = infrastructure, V2P&hellip;\" class=\"encyclopedia\">V2X<\/a> offers a strong development trajectory to 5G that is absolutely necessary for enabling fully networked and automated driving in the future.&rdquo; <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Be it for streaming your favourite music, sending e-mails or getting real-time information on traffic&hellip;<\/p>\n","protected":false},"author":3,"featured_media":8003,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[98,548],"tags":[614,621,619,613,616,618,620,622,627,617,624,625,626,615,623],"class_list":["post-7994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-markets-technology-en","category-wireless-connectivity-en-3","tag-c-v2x","tag-car-connectivity","tag-car-to-car-communication","tag-car-to-x","tag-car-to-x-communication-kommunikation","tag-car2car-kommunikation","tag-das-vernetze-auto","tag-trend-automobile","tag-vehicle-to-cehicle-communication","tag-vernetzte-fahrzeuge","tag-vernetzte-mobilitaet","tag-was-ist-pwlan","tag-what-is-pwlan","tag-wlan-im-auto","tag-zukunft-der-mobilitaet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Autonomous driving is inconceivable without wireless technologies |<\/title>\n<meta name=\"description\" content=\"Connected vehicles are essential for autonomous driving. 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