LTE_Alcatel_White_Paper.pdf. Functions of main LTE packet core elements - MME, SGW, PGW. Now when I have to start writing, I'm looking deep into back of my skull, to figure out with what I have my first LTE-like problem.
And you know what? I don't remember. So maybe the best way of starting anything is to start (writing) from the beginning. LTEPTCLOVWWP.pdf. LTE%20in%20a%20Nutshell%20-%20Protocol%20Architecture.pdf. 1-LF-Pau-LTE. LTE. LTE (both radio and core network evolution) is now on the market.
Release 8 was frozen in December 2008 and this has been the basis for the first wave of LTE equipment. LTE specifications are very stable, with the added benefit of enhancements having been introduced in all subsequent 3GPP Releases. Itled. UV Index Search Results. LTELBSWhitePaper_RohdeSchwarz. SUPL-WP100-R.pdf. LTELBSWhitePaper_RohdeSchwarz. LTEPTCLOVWWP.pdf. The SpecTool - LTE Protocols - Control Plane. Indoor positioning system. An indoor positioning system (IPS) is a solution to locate objects or people inside a building using radio waves, magnetic fields, acoustic signals, or other sensory information collected by mobile devices. There is currently no de facto standard for an IPS systems design.
Nevertheless, there are several commercial systems on the market. Instead of using satellites, IPS solutions rely on different technologies, including distance measurement to nearby anchor nodes (nodes with known positions, e.g., WiFi access points), magnetic positioning, dead reckoning. They either actively locate mobile devices and tags or provide ambient location or environmental context for devices to get sensed. The localized nature of an IPS has resulted in design fragmentation, with systems making use of various optical, radio, or even acoustic technologies.
Applicability and precision Relation to GPS Locating and positioning Locating and tracking Expert Advice: Positioning Protocol for Next-Gen Cell Phones. Lauri Wirola, Nokia Services Location by Lauri Wirola, Nokia Services Location As cell phones move into the next generation called Long-Term Evolution (LTE), also sometimes called 4G, and the methods of wireless transmission change, so too must the methods of providing location information over those new wireless interfaces.
LTE Positioning Protocol (LPP) and Secure User Plane Location (SUPL) 2.0 and 3.0 are the key players in this new picture. Cellular industry location standards first appeared in the late 1990s, with the 3rd Generation Partnership (3GPP) Radio Resource Location Services Protocol (RRLP) Technical Specification (TS) 44.031 positioning protocol for GSM networks. Today RRLP is the de facto standardized protocol to carry, for instance, GNSS assistance data to GNSS-enabled mobile devices. RRLP Releases 7/8 set high expectations in terms of performance improvements. WP-LTE-positioning.pdf. Julyaug08-monnerat.pdf. Paper-lte-eutran.pdf. MSF-TR-SERVICES-005-FINAL.pdf. LTE Protocol Stack Layers. Let's have a close look at all the layers available in E-UTRAN Protocol Stack which we have seen in previous chapter.
Below is a more ellaborated diagram of E-UTRAN Protocol Stack: Physical Layer (Layer 1) Physical Layer carries all information from the MAC transport channels over the air interface. LTE in a nutshell. LTE Radio Access Part I - Overview, Protocol structure, Architecture and Basic Principles. NRL_MQP_Final_Report. Principles of Wireless Access and Localization - Kaveh Pahlavan, Prashant Krishnamurthy. Chapter_14.pdf. Navigating the Great Indoors. Google, dumped by Apple as the iPhone’s default navigation app, is doing more than chortling at Apple’s well-documented mapping troubles.
It’s fighting back with more navigation features, many likely intended for use indoors. And a number of major mobile device makers and cellphone service providers have teamed up to develop a standard for indoor navigation, an effort that neither Google nor Apple is part of. Indoor navigation technology is going to be quite a bit different from its outdoor counterpart. Outdoors, navigation relies for the most part on GPS, whose accuracy ranges from 1 to 10 meters. Indoors, because of attenuation and scattering, GPS falls apart. So indoor navigation, while relying on GPS to identify your general location (at the mall, at the airport), needs some other technology to get you around.
Still, even with all those radio signals, knowing exactly where a mobile phone user is standing in a crowded mall is tricky. New Indoor Navigation Technologies Work Where GPS Can’t. Today you can easily find your way to, say, the nearest Starbucks in a strange city, thanks to a cascade of events that began a little more than 30 years ago, when a Soviet Sukhoi interceptor flying high over the Sea of Japan fired off two heat-seeking missiles.
The long-term result: You now have no trouble locating a cappuccino. Of course, you’re not finding that coffee by the heat it gives off. You are most likely guided to it in missile-like fashion by the GPS receiver in your smartphone or on your dashboard. GPS World - March 2006 - Wireless Choices for LBS. Lte-control-plane-ia-paper.pdf. A Primer on Location Technologies in LTE Networks. Highlights Network-based location capabilities provide and support a wide variety of user services and promote competitive differentiation.
LTE diverse location determination and delivery capabilities can be matched to unique service requirements. With its open architecture, LTE supports LBS across multivendor networks. Long Term Evolution (LTE) technology offers diverse methods for obtaining and delivering user location that help Communication Service Providers (CSPs) monetize and optimize their networks. How can CSPs select the most effective method to support the unique requirements of location-based services (LBS) solutions?
Globally, the wireless market is evolving to 4G LTE, which offers very high performance, a rich set of services and a robust ecosystem to support a wide variety of mobile broadband applications. Step 1: Identifying service requirements Step 2: Choosing a method of determining location The following location technologies support one or more of the above modes. Lecture 6 geolocation.