JIMI Electronic

The electronic tracker can be quickly given the position and velocity, but not to The target property of their geographical environment and spatial information associated with a description ，while the GIS is just to meet the requirements of this complementarily. Obviously, if only isolated the point of location information without geographic reference and other supporting information required, point position information on the application of logistics management is not very meaningful. With an electronic map(GIS technology) car, keep the city urban area map and save it up. It is accuracy and the amount of the information can be much higher than the printing of the urban traffic plan, but the car location achieved by drivers with the scene around by. Adding a portable GPS tracking, car location, driving direction, speed and other information can be displayed at any time in the electronic map.In short, using GPS and GIS technology in logistics information management system can use the G...

electronic tracking device can utilize location information to potentially provide a safer tracked environment allowing vulnerable people to continue with their daily activities, as much as possible. This paper presents the options for alert escalation. The aim is to provide a safety net, without triggering unnecessary alarms. The escalation procedure involves initial speech alert to the user, then a speech and vibrate alert to the user as a reminder; this is followed by a text message to an identified carer if the user has not re-entered the designated safe zone. Parameters for alert escalation can be tuned to individual circumstances. The user can seek help by getting directions from the current position to home or by calling a carer. The 21st century has brought an era of global population ageing. This will inevitably lead to an increase in the number of older people with dementia, with escalating costs for long term care. In 2010 it was estimated that worldwide cost of dementia ...

Applications requiring positioning in mobile networks have gained importance in recent years. Examples include not only LBSs, but also enhanced emergency call services such as the North American E911 and the newly defined Emergency Call (eCall), which is planned to become a European standard as part of the eSafety initiative of the European commission. Mobile network providers already offer LBSs along with positioning, although the accuracy and reliability of the present techniques do not yet meet the requirements of such services in all cases. One of the most popular positioning systems in navigation is the GPS tracker , which is satellite based, widely available and quite accurate, as long as the receiver to be localized and the satellites have an LOS connection. Since most common mobile phones do not support the GPS, network providers evaluate the position of the network’s base stations (BSs) which have connections to the mobile stations (MSs) to be located. The accuracy of the pr...

Despite similarities, there are some issues in the consistency GNSS issues as you know. For example, you may recall that the roll out of the new systems is not coordinated. In other words GPS ( GPS Tracking Device  ) Modernization, GLONASS replenishment, and QZSS and Galileo deployment have not been synchronized. Despite much cooperation there is no clear agreement among nations that launches and operational capabilities of GLONASS, GALILEO, GPS, QZSS, and Beidou will happen in the same time frame. Also there are differences between GLONASS and GPS regarding CDMA and FDMA. There are also differences in the time standards between the two systems. Not to mention the overlap between the GPS M-code and Beidou. It is important that these inconsistencies are worked out technologically because apart from the less sophisticated applications for GNSS interoperability will be required. For the full potential of the system to realize multiple GNSS, frequencies will need to work together. In...

Over the past several years, we have witnessed an impressive change in the size and capabilities of cellular phones and their individual components. First generation cellular phones for analog cellular networks were very big and for voice processing only. Today, on the other hand, Over the past several years, we have witnessed an impressive change in the size and capabilities of cellular phones and their individual components. First generation cellular phones for analog cellular networks were very big and for voice processing only. Today, on the other hand, The tracking devices for people is a key hardware component for any LBIS utilizing the mobile-based location provider architecture, like the real-time tracking system example described in this blog. The GPS receiver is important not only because no position will be available to the application without it but also because of its features and performance. There is always the trade-off between cost and quality, and the GPS chip is n...

Since the first generation GPS chip was presented to the public, it overcomes some problems: unclear signal of ex-chip, long positioning time, location drifting, etc. Due to the progress of chip manufacturing procedure and size reduction, even PDA, digital camera, cell phone and so on can be integrated with GPS. The personal vehicle tracking devices equipped on the vehicles is simple and more accuracy than dead reckoning method. It is getting to be used as basic vehicle equipment. Conversely, some disadvantages of GPS still need to be addressed. For example, if a cell phone or radio’s wave band is closed to GPS’, it would cause interference. In addition, tunnels and weather would affect the accuracy of GPS also. Thus, adjusting GPS error by a fixed base station and then conveying it to the vehicles’ GPS for correcting can add accuracy. It is called Differential GPS (namely D-GPS). The FM radio can also receive the positioning signal from the base station. Vehicle Tracking The GPS ...

So what is coming? Some day there may be as many as 80 satellites from GPS, GLONASS, GALILEO, QZSS, and others. If so the systems will provide users with a variety of signals and codes. The availability of many more satellites will enable new applications in areas where the current lack of satellites has been a hindrance. For civil users, Personal GPS tracker will provide more protection from interference, ability to compensate for ionospheric delays with pseudoranges, and wide-laning or even trianing capabilities. For military users, there will be greater antijam capability and security. For everybody, there will be improvement in accuracy, availability, integrity, and reliability. It looks as if the GNSS is on its way. So it is no surprise that there is great anticipation from a business perspective, but from a user’s point of view the situation is not unlike the advent of GPS more than 30 years ago. Much is promised but little assured. New capabilities will be available, but exac...