assisted gps造句

• An assisted GPS system can address these problems by using external data.
• Assisted GPS uses both satellite and cell phone signals.
• Accordingly, systems using assisted GPS have been developed.
• Alltel, Verizon Wireless, T-Mobile 3G, and Sprint PCS use Assisted GPS.
• Some phones using assisted GPS ( A-GPS ) function poorly when out of range of their carrier's cell towers.
• Other than physical conveniences, the phone features an Assisted GPS receiver, Spanish languages, multiple alarms, a calendar, a to-do list and a simple calculator.
• Usually Mobile Station Assisted GPS calculates position of the mobile in network server in terms of latitude and longitude and Mobile Station Based calculates the position of the mobile in mobile itself.
• The 4G models also come with GPS, Assisted GPS, and GLONASS . The Surface 2 includes what Microsoft calls a silver-magnesium color that is more scratch resistant compared to the original Surface.
• Today, in the United States, Sprint and Verizon use a form of GPS known as Assisted GPS while AT & T Mobility and T-Mobile use U-TDOA for their E9-1-1 solutions.
• Many cell phones reduce the time to first fix by using assisted GPS ( aGPS ) : they acquire almanac and ephemeris data over a fast network connection from the cell phone operator rather than over the slow radio connection from the satellites.
• Unlike its successors, the Wi-Fi + Cellular variant of the first-generation iPad could only support carriers that utilized GSM / UMTS standards and was not compatible with CDMA networks; however, like its successors, assisted GPS services are supported.
• Unlike in cellular phones, where the location of an E911 call can be traced using assisted GPS or other methods, the VoIP E911 information is only accurate so long as subscribers, who have the legal responsibility, are diligent in keeping their emergency address information current.
• Examples of augmentation systems include the Wide Area Augmentation System ( WAAS ), European Geostationary Navigation Overlay Service ( EGNOS ), Differential GPS ( DGPS ), inertial navigation systems ( INS ) and Assisted GPS . The standard accuracy of about can be augmented to with DGPS, and to about with WAAS.
• "' Assisted GPS "'( abbreviated generally as "'A-GPS "'and less commonly as "'aGPS "') is a system that often significantly improves startup performance i . e ., 911 requirement to make cell phone location data available to emergency call dispatchers.