name: GPS
full_form: Global Positioning System
context: When GPS is designed to inter-work with the UTRAN, the network assists the UE GPS receiver to improve the performance in several respects. These performance improvements will: - reduce the UE GPS start-up and acquisition times; the search window can be limited and the measurements sped up significantly; - increase the UE GPS sensitivity; positioning assistance messages are obtained via UTRAN so the UE GPS can operate also in low SNR situations when it is unable to demodulate UE GPS signals; - allow the UE to consume less handset power than with stand-alone GPS; this is due to rapid start-up times as the GPS can be in idle mode when it is not needed. The Network-assisted GPS methods rely on signalling between UE GPS receivers (possibly with reduced complexity) and a continuously operating GPS reference receiver network, which has clear sky visibility of the same GPS constellation as the assisted UEs. GPS reference receivers may be connected to the UTRAN to enable derivation of UE
description: The Global Positioning System (GPS) is a satellite-based navigation system that provides location information to GPS receivers. In the context of 3GPP, GPS is used in conjunction with the UTRAN (Universal Terrestrial Radio Access Network) to improve the performance of GPS positioning. The network-assisted GPS method enables the UE (User Equipment) GPS receiver to receive assistance from the network, which can reduce start-up and acquisition times, increase sensitivity, and allow for lower power consumption.
explanation: GPS is described as a satellite-based navigation system that provides location information. Its integration with the UTRAN network for improved performance within the telecommunications framework classifies it as a Technology.
section_title: 10	Network-assisted GPS positioning method
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