Furthermore, evolved umts networks such as hsdpa and hsupa, and the evolved transport from atm to ip are investigated. By means of pseudowire technique, the atm service is emulated over the. Due to the peculiarities of the code division multiple access cdma scheme used in 3g cellular systems like umts and cdma2000, network planning cannot be based only on signal predictions, and the approach. Umts terrestrial radio access network utran umts terrestrial radio access utra utran architecture and protocols utran procedures see separate presentation umts networks andreas mitschelethiel, jens mueckenheim nov. The satellitebased system is inserted within a radio access network of the tumts. Radio planning and coverage optimization are critical issues for service providers and vendors that are deploying third generation. Two other types of rans are umts terrestrial radio access network utran, which supports both circuitswitched and packetswitched. A radio access network ran is the part of a telecommunications system that connects individual devices to other parts of a network through radio connections. Umts supports a variety of user data rates and both packet and circuit switched services system composed of three main subsystems telcom 2720 4 umts system architecture ue user equipment that interfaces with the user utran umts terrestrial radio access network handles all radio. This thesis studies the dimensioning for umts radio access networks. Umts radio access network umts networks wiley online.
Ericsson lte ran continues to bring a great experience for mobile broadband. It contains the base stations, which are called node bs and radio network controllers rncs which make up the umts radio access network. The network elements are grouped into the radio access network ran. Radio network planning and optimisation for umts comprehensively explains how to dimension, plan and optimise umts universal mobile telecommunications system networks. Changes since the release 99 version are described while some of the new features from the release 7 version are introduced. Radio access network architecture wcdma for umts wiley. A radio access network ran is part of a mobile telecommunication system. A 5g nr radio access network node has been named the next generation node b gnb by 3gpp. Evolutionary analysis of gsm, umts and lte mobile network. Principles and practice kindle edition by johnson, chris. The additional of packet data with gprs required additional network entities to be added. Performance measurements evolved universal terrestrial radio access network eutran etsi 3gpp ts 32. Harri holma and antti toskala both work on cutting edge technologies for mobile communications today.
Umts and gsmedge can share a core network cn, making utran an alternative radio access network to geran gsmedge ran, and allowing mostly transparent switching between the rans according to available coverage and service needs. Umts radio access network in umts tutorial 20 april 2020. The overall radio network access system of the umts is considered as the utran. In evolved umts terrestrial radio access eutran sharing. The cross reference between gsm, umts, 3gpp and etsi identities can be found.
An important means for improving the costefficiency in modern mobile radio networks is to dimension the radio access network carefully. Radio access networks for umts is ideal for mobile telecommunications engineers working for equipment vendors, operators and regulators. A ran resides between user equipment, such as a mobile phone, a computer or any remotely controlled machine, and provides the connection with its core network. Xi li presents innovative analytical models and algorithms for the dimensioning of the 3g umts radio access network ran. Radio access network for umts pdf this book provides a comprehensive description of radio access networks for umts. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. The cross reference between gsm, umts, 3gpp and etsi identities can be found under. Several milestones now increase capacity and speed by ten times since the start of lte. Lte ran brings you software for gigabit speeds, using fdd and tdd, housed flexibly on one board.
It resides between a device such as a mobile phone, a computer, or any remotely controlled machine and provides connection with its core network cn, devices are varyingly known as user equipment ue. In this thesis, dimensioning is investigated with specific focus on the transport network of the iub interface, which connects the node b with the rnc. Pdf today, mobile network operators have a variety of options for the means of. The comparison reveals that eutran consists of one type of nodes, namely evolved node b enodeb, and the variety of interconnections is. For example, in 3g umts and 4g lte, the network node is termed node b nb and evolved node b enb, respectively.
Use features like bookmarks, note taking and highlighting while reading radio access networks for umts. Evolved universal terrestrial radio access eutra and evolved universal terrestrial radio access network eutran. Li, xi radio access network dimensioning for 3g umts elib. This book provides a comprehensive description of radio access networks for umts.
Radio access network tutorial pdf the entities in utran are. Radio access network dimensioning for 3g umts xi li. Downlink and uplink transmissions are organized into radio frames with 10 ms duration. The main content is based upon the release 6 version of the 3gpp. The intermediate module constitutes an entry point for a local. Click download or read online button to get radio access network dimensioning for 3g umts book now. Starting from the highlevel network architecture, the first. Utran umts terrestrial radio access network handles all radio related functionality wcdma is radio. Starting from the highlevel network architecture, the first sections describe the. Utran and geran based radio access network connect to the same core network 5. This thesis investigates the dimensioning of the umts radio access network with specific focus on the iub interface, which connects the node b and the rnc. Test measurement challenges and field environment test planning. High speed radio access for mobile communications and wcdma for umts, 4th edition. The system is used in a trunking mode and transports the traffic exchanged between the terrestrial network and the local network.
The radio access network changed considerably as a completely new radio interface was used based around the use of cdma. Umts radio access network in umts umts radio access network in umts courses with reference manuals and examples pdf. Download it once and read it on your kindle device, pc, phones or tablets. The theoretical capacity models for the downlink and the uplink of the umts radio access network have been researched ever since the umts started to be considered. The more general term evolved radio access network eran, can also be used as part of signaling protocols, as the term access stratum as can be used.
Radio access network dimensioning for 3g umts elib bremen. Radio planning and coverage optimization of 3g cellular. Xi li radio access network dimensioning for 3g umts. Radio access network dimensioning for 3g umts download. Gsns constitute the interface between the radio access network and the fixed networks for packet switched services similar to msc for cs calls serving gsn sgsn. And allocate the wireless resources of the radio access network composed of. The umts network and radio access technology air interface techniques for future mobile systems dr. Each 10 ms radio frame is divided into ten equally sized sub frames. The main content is based upon the release 6 version of the 3gpp specifications.
Changes since the release 99 version are described while some of the new. The radio network subsystem is also known as the umts radio access network or utran. Utran short for umts terrestrial radio access network is a collective term for the network and equipment that connects mobile handsets to the public telephone network or the internet. In 3gpp terminology, a base station is an implementation of a logical radio access network node. Radio access network dimensioning for 3g umts springerlink. Pdf lost capacity of the umts radio access network. Note that standards use terminology node b for base. This interface is considered as one of the most important economic factors for the umts network dimensioning. They coedited the books lte for umts ofdma and scfdma based radio access, hsdpahsupa for umts. The radio access network ran is composed of the radio base stations bss.
Release99 structure was inherited from gsm core network both. Wcdma radio access network ran are both connected to the gsm core network for providing a radio. This thesis provides an elaborate analysis of important aspects related to umts radio access network. It contains the base stations, which are called node bs and radio network controllers rncs1 which make up the umts radio access network. The proposed tutorial will be a collections of background, stateoftheart, and open research topics in the area of cloud radio access networks. This thesis provides an elaborate analysis of important aspects related to umts radio access network dimensioning and based on that presents a general umts network dimensioning framework and. Radio access network dimensioning for 3g umts request pdf. This site is like a library, use search box in the widget to get ebook that you want. Standardizing network systems on gsm and umts and beyond based on gsm legacy 2g, 3g radio accesses gsm radio interface.
Document format pdf version kept on a specific network drive within etsi secretariat. Umts universal mobile telecommunications system utran umts radio access network 4 kpi overview the following kpi categories are covered by the present document. Handover between lte and 3g radio access technologies. It is presented without lost capacity of the umts radio access network 5 the ioutage in the formula 5. The 3g umts core network architecture is a migration of that used for gsm with further elements overlaid to enable the additional functionality demanded by umts. Umts radio access network the more general term evolved radio access network eran, can also be used as part of signaling protocols, as the term access stratum as can be used. A radio access network is a technology that connects individual devices to other parts of a network through radio connections. Umts system architecture and protocol architecture. It will also appeal to system designers, technical managers and students. Pdf carrier ethernet for transport in umts radio access. Radio network planning and optimisation for umts request pdf.
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