2013年5月29日星期三

Apple iWatch widely circulated smart watches

About Apple iWatch widely circulated smart watches a lot of rumors, including the release time prediction released later than the end of 2013, but through the analysis of some recent reports, this point in time is likely to be postponed until next year, that is 2014 to work with iWatch meet.
http://www.four-faith.com/En

Google released second paragraph of wearable devices "talking shoes"

[Google released second paragraph of wearable devices "talking shoes"] "talking shoes", which is the company following the smart glasses Google Glass released after the second paragraph wearable devices. However, the user is still able to book this would say shoes. TechCrunch reports that this is just Google Arts Copy Code Project Development of a concept product

TD-LTE has band and resource efficiency advantages

As part of the 4G standard, TD-LTE has band and resource efficiency advantages, obtained the global support of operators and equipment manufacturers. Till the end of December 2012, worldwide totally signed 44 TD-LTE commercial contracts. China Mobile and seven international carriers set up a joint GTI, condensed the global TDD operators, and jointly announced TD-LTE deployment plan.

British and American Scientists predict ten scientific breakthroughs in future

[British and American Scientists predict ten scientific breakthroughs in future] 1, "self-healing" of the building. 2, the phone can understand sign language. 3, efficiently artificial "photosynthesis" leaves can produce hydrogen. 4, use 3D biological printer to print DNA. 5, with quantum tools to study and overcome cancer. 6, the password to unlock the brain to repair brain damage. 7, the Human Micro-biome Project: microbial ecology environment makes you healthier

2013年5月27日星期一

Street lights remote monitoring system based on GPRS network

1.Background  Xiamen Four faith communications Technology Co., Ltd. developed special night lighting control management system.Via advanced GPRS network,set the computer, communications, electronics, automatic control and other advanced technology successful implementation of night street lighting systems and real-time monitoring to ensure efficient, stable, and all-weather operation.

2.System analysis2.1.1 Streetlight Control Terminals
   Streetlight Control Terminals are consist of Industrial computer, electric power measurement SCM, multi-channel control board, monitoring board; including power carrier module (EPCW) and input/output interface board. Streetlight Control Terminals can control every light on/off, electric power load conditions, the lamp pole damage, leakage alarm alarm functions.
Control Terminals

2.1.2 Wireless transmission equipment
        F2103 connected to PLC built-in Streetlight control terminals via R232/RS485,then connected to data server via GPRS network. F2103 can exchange info with the data server. Four-Faith F2103 GPRS IP Modem designed with TCP/IP stack, supports transparent data transmission and RS232/485, etc.(For more info, please log onto www.four-faith.com/En)

2.1.3 Data Server
       All data come from weather data loggers of remote sites will be processed and stored, analyzed,  etc., then displayed via B/S or C/S.
       1.Remote control: remote control the Streetlight on/off, and send the status data to server.
       2.Telemetering: Automatic testing or random testing various terminal measuring light rate, voltage, current, power factor, active and frequency, then send the working parameters to server.
       3.Telesignalisation: To get the info of every terminal open/close status, fault and alarm information, etc.

2.1.4 Connection
   F2103 connected to PLC via RS232/RS485.

3.  Diagram
4、Program features1. Wireless remote monitoring street lights high efficiency and low cost.
2. Four faith F2103 can remote directly to the parameters configuration
3. Four faith IP MODEM with high-performance industrial grade processor and watchdog design to ensure IP modem always on line.
4. F2103 lights remote monitoring system support add new control points at any time without the impact of the existing monitoring system.
5. F2103 IP MODEM ,compact and easy to maintain
6. F2103 multi-center design, which can set up five centers collected on-site monitoring
7. Operating Temperature: -25~+65ºC (-13~+149℉), Operating Humidity:95% ( unfreezing)
8. Supports transparent TCP, UDP transport protocol and custom application protocol
9. Provide secondary development package and multi-language version of the data center server software source code
5、SummaryIt has been widely used on M2M fields, such as intelligent transportation, smart grid, industrial automation, telemetry, finance, POS, water supply, environment protection, post, weather, and so on.

Gas Station Data Communication Based on GPRS

1.      Preface

With the fast-growing of Chinese economy and transportation infrastructure, more and more people have their own auto, at the same time, more and more logistics company has been set up to focus on the transportation of cargos, which contribute too much to economy and people’s life. As we all know, oil is the essential materials of auto, truck, etc., in this case, gas station has played an important role on the vehicle. With the popularity of gas station national wide, how to monitor and manage the gas stations anywhere has become a tough topic to the oil companies in China.

Traditional gas station information system is hard to meet current need of security of data transmission and data storage, which real time, fast and wide range data transmission among all gas station is needed. Thus, a solution based on GPRS network has been found to solve this problem.

2.      System analysis
System requirements
1.       Gas station data acquisition terminals
The role of data acquisition terminal is as below
A.      Gas station oilcan real time data monitoring: it can monitor the input and output of oilcan, pipeline leak condition and environment of oil storage in real time.
B.      Oil dealing data: it can collect all dealing data which is helpful for sales and marketing analysis for oil companies.
C.      IC card system data: automatically collect the data of oil dealing and e-payment

2.       Wireless data transmission device
Four-Faith F2103 GPRS IP Modem designed with TCP/IP stack, supports transparent data transmission and RS232/485, etc.(For more info, please log onto www.fourfaith.com/En )

3.       Data center
The main role of data center is, gas station business management(collecting and managing the business data from all gas station), security management(remote monitoring the gas station), data management(database backup and recovery, etc.)

3.      Brief Introduction
Gas station data acquisition terminals are connected with Four-Faith GPRS IP Modem F2103 via RS232 or RS485, and public IP, APN and ADSL can be used for accessing internet for data center.

When F2103 is connected with server of data center based on GPRS, a TCP/IP connectivity tunnel will be established for transparent data transmission. So once F2103 get the data from data acquisition terminals, data will be transferred to server of data center, also, the data acquisition terminals can communicate with the server via F2103.

4.      Diagram

Street lights real-time monitoring system based on GPRS network

1.BackgroundWith the swift development of urban construction, road lighting quality continues to improve, the Government and people are becoming more concerned about the street lighting and the city image.
2.The drawbacks of the traditional timing control1.1 Not real-time control
1.2 Not been able to switch lights
1.3 Feedback information can not be
1.4 Serious waste of electricity
1.5 Failure is not found in time
1.6 Frequent adjustment cycle lights
3.System analysis  3.1.1 Streetlight Control Terminals
Streetlight Control Terminals are consist of Industrial computer, electric power measurement SCM, multi-channel control board, monitoring board; including power carrier module (EPCW) and input/output interface board. Streetlight Control Terminals can control every light on/off, electric power load conditions, the lamp pole damage, leakage alarm alarm functions.
3.1.2 Wireless transmission equipment
F2103 connected to PLC built-in Streetlight control terminals via R232/RS485,then connected to data server via GPRS network. F2103 can exchange info with the data server. Four-Faith F2103 GPRS IP Modem designed with TCP/IP stack, supports transparent data transmission and RS232/485, etc.(For more info, please log onto http://www.four-faith.com/En  )
gprs dtu
   3.1.3 Server
All data come from weather data loggers of remote sites will be processed and stored, analyzed, etc., then displayed via B/S or C/S.
4.      Diagram
5、System BenefitsEconomic
Reducing the time to turn on the lights , extend the life of electrical light source, reduce management operating costs to improve the economic efficiency.
Social
Street lights maintenance in time greatly reduce the lighting management of complaints    and reduce road traffic accidents is good to the city’s security. To be a tremendous social benefits and further improving the city’s image.
Management
Significantly reducing maintenance response time, improve maintenance efficiency, and ensure street lighting rate,so resulting in great economic and management efficiency.

Digitizing pill bottles come out so that patients will not forget to take medicine

[Digitizing pill bottles come out so that patients will not forget to take medicine] Today, a growing number of newly start-up companies focus their eyes on technological virgin land, that is urge people to follow the doctor’s advice to take medicine, such as not by the amount of medication, taking expired drugs or not prescribed medication intervals, these acts have appeared a lot of complications and a waste of hospitals and insurance companies a lot of financial and material resources.
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Internet of Things also known as sensor networks

Internet of Things also known as sensor networks, by definition, material objects connected to the network, which is another dream of human on the Internet. Everything in the world, small to the watch, key, large to the car, building, as long as embedded a miniature sensor chip, you can automatically speak. If using the wireless network technology, people and objects can have a dialogue, the objects can also communicate with each other, which is the Internet of Things.
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240GHz 40Gbit/second, the scientists break the world record of wireless transmission speed

[240GHz 40Gbit/second, the scientists break the world record of wireless transmission speed] For many people, speed is everything, and the Fraunhofer Institute and Karlsruhe Institute under a cooperative effort announced this week broke the wireless transmission world record. The researchers successfully used in 1 km distance 240GHz frequency band for wireless transmission, the transmission speed to break through 40Gbit/second.Image

2013年5月23日星期四

Now, go to upgrade your Chrome browser! Google begins to support Voice Search

[Now, go to upgrade your Chrome browser! Google begins to support Voice Search] it would have real-time analysis on the user’s voice commands, allowing the users to ask questions in natural language, for example, you can now ask Google, what is the perimeter of the earth? You can get an accurate answer. As another example, asking a place will be given a map; asking a person, Chrome will give his biography.
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Floods disaster prevention application based on GPRS network


Preface
With the development of the society, the impact of human activities, flood disasters is becoming more and more frequent accidents. It has heavily damaged people’s life and property.
Adhere to “prevention in advance, combining prevention with control”, we must establish a mountain flood defense system which can prevent flood disasters system including forecasting, early warning capability and emergency command ability .So that we can protect people’s lives and property after getting the early warning information.

Project analysis
2.1 System Requirement
Mountain flood warning is a decision-making early warning information, that is, based on the comparison between raw monitoring data and historical data analysis, data analysis result has been made .
The detect data collection devices detect the hydrological data in real-time, such as the rainfall in unit time, rainfall intensity, water level, water speed, brake release water speed, water volume and so on. The collector will send the data to the warning center based on GPRS wireless network. Then you can make a comprehensive analysis of the data from the center
system. When warning information has been derived by the system, early warning in data, voice, text messaging format can be alert to the terminal.


2.2 System component

Mountain flood warning system consists of three parts: hydrological monitoring systems, early warning systems and early warning center issued terminal system.
Torrent disaster information collection and early warning early warning system platform is the core of flood disasters, mainly consisted of the computer network system and database system. Computer network system is mainly for system data receiving, handling, processing and information inquiry, warning decision-making, early warning information dissemination, information exchange and other services. Database system is mainly for system maintenance and management, information search and services, forecast decision-making.
2.2.1Hydrological monitoring system
Hydrological monitoring system mainly consists of water and rainfall monitoring network layout, information acquisition, information transmission and so on. The main task of the monitoring system is to collect hydrological data and information ,then sending the data to the warning center through the wireless network , providing data for the early warning of the disaster center system.

2.2.2 Warning Center System

The main task of the early warning center system is for data collection, integrated analysis, making warning decision based on the results of the analysis ;

Early-warning center system consists of the computer network subsystem and the database subsystem. Computer network subsystem is for data collection, data processing, analysis, data query, warning decision-making and early warning information dissemination. Database subsystem is for maintenance and management of major systems, providing consulting services ,offering historical data for the early warning system.
Warning center systems generally use optical fiber cable access mode.

2.2.3 Released system for early warning information
The main task of the early warning information dissemination terminal subsystem is let related person know the decision-making information from center system .So that they can make preparations for disaster to minimize the property damage caused by disasters .
These include dissemination terminal and wireless communication terminal.


2.3 Flood forecasting framework
Please refer to the above diagram for the components of this system. There are two links in the whole system, respectively, the link between the terminal and control center,another link between the control center and issued with warning. So that it can realize the collection of the disaster information and disaster warning notice.




2.3.1 Link between the terminal and control center
Sending the data from the terminal to the control center,
F2X03 Cellular IP Modem can work properly in -25℃~65℃, with iron housing to protect itself not effected by the harsh environment, like when mountain floods happen.
The terminal devices includes the data collector and the IP Modem. The required collected data includes rainfall in unit time, rainfall intensity, water level, water speed, brake release water speed, water volume and so on. The data collector connect with the IP Modem via RS232/RS485.
In flooding period, IP Modem will be in the always online status, that is, it can connect with the control center all the time via GPRS network. Normally IP Modem needs to be reset or restart when power-off or effected by outside harsh environment. While our Intelligent IP Modem can keep always online status. It can recover to the communication status automatically when off-line or power-off.
In non-flooding period, IP Modem don’t need to keep always online status. In this situation, the IP Modem can be in sleeping mode. The control center or users using mobile phone can revise the parameter of the IP Modem by directly control or SMS, letting the IP Modem on/off line ,switch on/off at a fixed time.


2.3.2 Link between the control center and issued with warning
Sending the warning information by broadcast ,LED screen to notice the related people.
There are three modes ,that is, GPRS network data, voice, SMS;



2.5 Wireless communication device functions
F2X03 Cellular IP Modem has the data transmission function, besides, it has SMS and voice
function .
F2X03 is highly right for the flood disaster application because it supports intelligent anti-dropped connection, SMS channels, voice channel, high availability features such as encryption, realizing the stable and security transmission of data transmission.



2.6 Network selection

GPRS has high transmission rate and low cost feature, which is suit for low data flow transmission.


Conclusion
GPRS IP Modem is a high cost-effective communication mode which can offer more stable
and reliable data communication channel in mountain flooding prevention application.

2013年5月22日星期三

Smart city construction should take into account environmental issues

[Smart city construction should take into account environmental issues] Local governments all over the world love to talk about the concept, smart city in my dream should consider environmental issues, but there are a variety of environmental problems in the current urban construction. Yesterday, when communicating with a postdoctoral, expressed that their smart city construction project is to get everyone experience climate change and global warming.

Reservoir wireless monitoring system

#Reservoir wireless monitoring system# mainly for the collection and processing of rainfall and water level etc.,while supporting on-site photo, video transmission, through the data, images, video form to know the site conditions. Adopting digital platform, the front-end digital video images and control signals can be transferred back to the control center, through the GPRS / GSM / CDMA communication networks with Four-Faith industrial wireless RTU terminal, to achieve distribution monitoring.

2013年5月21日星期二

The father of Google Brain: the computer can simulate the human brain

The father of Google Brain: the computer can simulate the human brainWu Enda is the director of Stanford University Artificial Intelligence Laboratory, childhood dream is to invent a machine which can think like humans, he is one of dozens of scientific characters whom in the 2013 Times magazine of the world’s most influential figures top 100 list, leading the Google Brain project and promoting depth learning algorithm.
http://www.facebook.com/XiamenFourFaithCommunicationTechnologyCoLtd 

Google is how to squeeze out the traditional car networking living space?

Google is how to squeeze out the traditional car networking living space? The rules of the games of traditional car networking and Internet are very different. The traditional car networking likes to talk about the concept, and the Internet focuses on pushing products, emphasises on openness and integration. Internet giants watch and take map as a entry point, occupy the user’s time at outside as much as possible, including the time in the car, which will squeeze out the traditional vehicle networking industry's survival space.

Hydrology Water Monitoring System


Preface
With the development of the society, the impact of human activities, flood disasters is becoming more and more frequent accidents. It has heavily damaged people’s life and property.
Adhere to “prevention in advance, combining prevention with control", we must establish a mountain water conservancy project which can prevent flood disasters system including forecasting, early warning capability and emergency command
ability .So that we can protect people’s lives and property after getting the early warning information.


Second, the project analysis
2.1 System components
Hydrology and watershed management, flood control and monitoring system by the center, sub-centers (county and city) stations, field units constitute a set of three hydrological telemetry network. The completion of the system will improve the hydrological information collection, transmission and processing methods, data collection and reduce the time required to forecast operations
improve the reliability of information collection and transmission, information processing capabilities to improve flood control basin.
Watershed management center through the LAN or WAN computer network and sub-centers all over the data transmission between stations, and mainly to provide data for various applications, such as flood control and information collection and processing system , flood monitoring system, flood control consultation display system, information retrieval system, meteorological service system, flood control system, damage assessment system.
Hydrological information collection terminal station 2.1.1
Hydrological information collection station can be divided into water stations, rainfall stations, and installation by the composition of the corresponding sensors, and accurately capture relevant real-time water level and rainfall data. 

2.1.2 Wireless communication terminal 
Wireless communication terminal installed in the collection station, the station responsible for collecting and monitoring the hydrological collector bi-directional data communication between the centers. In view of the acquisition of the communication interface and other factors to consider, we choose FourFaith F2103 IP MODEM,
which with RS-232/485 interfaces, metal design, it has a small, low power consumption, configured using simple, plug and play Support the standby data path, parallel data channels to support a variety of real-time online and on-demand online work, such as off the assembly line and equipment on a regular wake-up and support APN network access and other functions not only safe, reliable data protection also allows customers to savings rates to be transmitted.

2.1.3 Monitoring Center 
Monitoring center mainly by the central server and system software group,which is responsible for the acquisition of the hydrological stations upload up data analysis, storage, various control instructions issued by the monitoring stations and publish a variety of early warning information.
2.2 The overall system architecture 

Data acquisition equipment acquisition station RS232/485 communication interface via a serial connection with the F2103, the monitoring center server can use an ordinary ADSL line or other APN as a network access. 
Communications equipment F2103 Internet access through the wireless network to connect to the monitoring center server host, create a transparent data channel.As long as the resulting data collection terminal to the serial port, F2103 will send the data to the server host center. Uploaded onto the server host receives the terminal data of the primordial comprehensive analysis of the data and the various judgments
issued to the terminal control command, control instructions issued by the host server through the channel after the transfer to the F2103, F2103 sent through the serial port to a collection terminal, in order to achieve transparent bi-directional transmission of data. 

2.3 System Function 
1) data reception, processing: real-time telemetry stations received rainfall, water and other information; automatically checks the data frame format, and make reasonable judgments; filling time scale, auto storage. 
2) response, the query: Query time or under the site of artificial rainfall, water and work status. 
3) Database management: Includes the original, historical, forecast, or the formation of the results database, search, query and so on. 
4) Data output: can display (including large-screen display), printers, plotters and other output histogram of rainfall, water level, flow process lines, such as rainfall charts and so on. 
5) Flood Forecasting and Scheduling: initialization parameters, including flood forecasting, the parameter set / change, time off-line assessment report forecast, reservoir optimal scheduling, results storage, output. 
6) Network Communications: LAN or WAN can access data sharing, enabling multiple computers serial communication, via the telephone line data transmission can be realized. 
7) Status Alarm: Set the alarm according to rainfall, the water level value, automatic sound and light alarm, and through telephone lines to achieve the alarm telephone language 

Third, the project implementation plan framework 
3.1 The collection terminal and communication device 
F2103 IP MODEM supports RS232/485 communication interface, RS232/485
collection terminal can be connected with the IP MODEM, interface definition as shown below:
 
3.2 Data Center network access

3.2.1
 Dedicated Access 
Center line with APN, all points within the network using fixed IP 
Client Center access via a dedicated mobile companies 2M APN GPRS networks, Internet routers between the two sides fixed IP address using a private WAN connection, the GGSN and the Mobile Internet routers using GRE tunnels. 
Assigned a dedicated customer APN, ordinary users may not apply for the APN. For GPRS Network in special network SIM card to enter the APN, to prevent other unauthorized users from entering. Users in-house RADIUS server for internal users to access the remote authentication server (or APN router, the router is enabled local authentication). Only by authorized users are allowed access to ensure the internal security of the user. 
DHCP server in-house users (or APN within the router, enable DHCP function), as assigned by the user authentication of users within the address. 
Between mobile terminals and server platforms with end to end encryption to prevent information in the transmission process possible leaks. 
Use a firewall to isolate the two sides and the firewall on the IP address and port filtering. 
Such programs, whether real-time, security and stability of a solution than before has greatly improved the safety requirements for higher data points are more demanding real-time applications. The case of funds, the best networking.

3.2.2 ADSL dial-up connection (dynamic public network IP address) 

Center for the public network using ADSL connection, etc. INTELNET, the use of public network dynamic IP + DNS resolution service. Customer first with the opening of the dynamic DNS service provider to contact domain name, IP MODEM connected first address by domain name DNS server, and then find the center of the public network DNS server dynamic IP, the connection is established. In this way the public
network can greatly reduce the cost of a fixed IP, but the stability of the DNS server, the stability of the subject, so to find a reliable DNS service providers. Such programs suitable for small-scale applications.

3.2.3 IP connection through the fixed public network 

Center for the public network using ADSL connection, etc. INTELNET, using a fixed IP public network services. Such programs first INT ERNET operators and other broadband ADSL application, the center has a fixed IP in public network. IP MODEM launched directly connected to the center. Reliable and stable, recommended such a program.

3.2.4Data Center Software Platform 

The Construction Centre client software has a variety of ways, for the incoming data in different ways, we offer different software to help customers quickly realize the center side of the data reception and management of field devices. We offer three ways the center of the interface: 
 The first thing is about the configuration software, the current configuration software manufacturers have integrated many of our drivers, and can be directly configured to use; followed by reading the serial port for the program was originally to provide a virtual serial port software (TCP2COM); Finally, for those who want to develop their own unique data center software to customers, we will provide a dynamic link library, and our company's data center software, open source not only for themselves but also assist clients throughout the data center software and functional development. Through dynamic link library customers may quickly develop a flexible, stable, fully functional interactive device management and data center software.

 Fourth, the program features 
1, low power consumption, high accuracy, stability, reliability, strong anti-lightning and interference, each measuring unit can be connected to several different types of sensors.  
2, System security, high reliability, timely and accurate analysis of the data. 
3, Through the wireless network access, can be completed in a short period of time within the jurisdiction of the scanning station, monitoring the working status of hydrological telemetry system, and can judge the equipment is working properly, and to achieve status collection and remote output. 
4, The terminal can display real-time data center status information, historical information, detailed location information, and other datas. Terminal 
Parameters of transmission module supports remote configuration changes, control, devices do not have to work for a few changes to the site, the operation of the system, save a lot of manpower and resources.
5, Terminal transmission module supports a variety of wake-up methods, such as voice, messaging, data, and reliable network connectivity, smart anti-dropped calls, supports online monitoring, online maintenance, dropping features such as automatic re-drawing to ensure that equipment is always online. The moment when the terminal equipment failure can send SMS alerts notify maintenance personnel. 
6, Terminal transmission module supports a variety of wake-up methods, such as voice, messaging, data, and reliable network connectivity, smart anti-dropped calls, supports online monitoring, online maintenance, dropping features such as automatic re-drawing to ensure that equipment is always online. The moment when the terminal equipment failure can send SMS alerts notify maintenance personnel. 
7, The transmission module is the primary backup center and the main center features automatic reply, while support for simultaneous multi-center function (up to 5); data centers to support multiple access methods, such as APN, fixed IP, dynamic IP, dynamic domain name and so on. 
8, the equipment used industrial design, metal case, external power supply DC 12V/500mA; Communication current: <250mA 
(12V); Operating temperature -25 ~ +65 º C; Storage temperature -40 ~ +85 º C; 95% relative humidity (no condensation); multiple hardware and software watchdog. 
9,We can provide secondary development kits and multi-language version of the data center server software to customer needs for secondary development; the same time for the customer's needs, providing a variety of technical support, including networking products, network design, technologypersonnel training, software development technology with full equipment on-site commissioning technical support services. 

V. Summary of the solution 
The system established on the basis of the wireless communication network for data transmission, the central system in real time, accurate access to the terminal data, quickly to make judgments after data analysis.

The information age has peaked or will soon become a thing of the past


The information age has peaked or will soon become a thing of the past. During the moment, is the data process of the material world. Connect the manual era and the smart times of the most important part - building the world of the computer can understand. In other words, the real-world accesses through the data description and Internet of things, where we are living environment and knowledge systems as well as a list of substances all converted to the data model.

78 thousand people apply to leave the Earth to Mars




[78 thousand people apply to leave the Earth to Mars] in the Mars manned exploration program, about 78 thousand people apply for leaving Earth to Mars, this trip to Mars initiated by a non-profit organization aimed at to send four volunteers to Mars in 2023, they will serve as the vanguard of Mars permanent settlements, within the next two years there will be more volunteers arrived at Mars.


2013年5月20日星期一

Silicon Valley to create the future internet cars: intelligent communication systems pluses sensors

Silicon Valley to create the future internet cars: intelligent communication systems pluses sensorsLexus SUV car speeding on Highway 101 in Silicon Valley is not much difference with other cars, on the roof cost $ 65,000 laser sensor and spinning, it can receive video and radar pulse signal, see the cars around us to avoid them. This is a good thing, because no one driving the car.

U.S. Department of Transportation: Government will not pay the additional cost for car networking

U.S. Department of Transportation: Government will not pay the additional cost for car networking the U.S. regulators said, car networking helps to avoid or mitigate the seriousness of the accident to a 4/5. Recently, the U.S. Department of Transportation Ministers expressed to support the U.S. car networking, he believes that "dialogue" between vehicles can avoid traffic accidents and traffic jam, but the cost of these technologies and equipment is the key factor of whether consumer accept car networking or not.