Last time we went over the voip essentials including the benefits of voip and the fundamental voip terminology as well as the voip protocols. Voip on an lte network each deployment strategy has its pluses and minuses with variables including features, upfront costs and total cost of ownership, existing infrastructure, and. Get the best seminar report on volte technology with volte ppt and tutorials, diffrence between volte and voip, architecture diagram for engineering and projects. The idea of ims is old, but after its deployment with lte users and operators can harness the true power of ims. Section v highlights the benefits of carrying voice over lte through voip. The highlevel network architecture of lte is comprised of following three main components. Not only was the radio access network improved for 4g lte, but.
The lte network called eps evolved packet system is an endto. Lte stands for long term evolution and it was started as a project in 2004 by telecommunication body known as the third generation partnership project 3gpp. When we talk about voice over ip in the traditional sense, were talking about using either sip protocol, h. This revolution is necessitated by the unceasing increase in demand for high speed connection on lte net. Voip voice over internet protocol architecture and features. This means that, it sends the voice signal into digital form in packets rather than send it in digital.
Other technology emerged in wireless system grantee more flexibility and gain more performance it is long term evolution lte. However, some services, such as conversational voice over ip voip, require special treatment in order to minimize endtoend delay and provide a satisfactory user experience. Get the best seminar report on volte technology with volte ppt and tutorials, diffrence between volte and voip, architecture diagram for engineering. This keeps information about the users phone number, home network identity and security keys etc. The first deployments were simply known as lte, but later deployments were designated 4g lte advanced and later still 4g lte pro. Volte service description and implementation guidelines. Volte, voice over lte is an imsbased specification. Long term evolution protocol overview nxp semiconductors. On the technical side, internet protocol ip being agnostic to the physical medium provides a way to run voip as an application on wired or wireless networks. We will first explore the lte network architecture and then simulate and compare scenarios of single and multiple users using voip over the lte network to observe the effects on performance. We will first explore the lte network architecture and then simulate and compare scenarios of single and. A usim stores userspecific data very similar to 3g sim card. Executive summary this paper provides a comprehensive overview of the network architecture of a long term evolution lte system according.
Long term evolution lte is the last step towards the 4th generation of cellular networks. The lte network architecture explained in this document applies to a lte only network provided by a single operator and thus has covered the most basic components of the eps system. Voip voice over internet protocol is the technology for voice conversations with internet network or any ip. Systems beyond imt2000 imtadvanced is set to introduce evolutionary path beyond 3g.
Myung 2 beyond 3g international mobile telecommunications imt2000 introduced global standard for 3g. Voice over ip voip refers to sending voice data over the internet. Long term evolution lte network is optimized for delivering highspeed packetoriented content and services to a large number of mobile users. Lte fully abbreviated as longterm evolution is a technology involving firstgeneration 4g cellular networking. The presentation on lte long term evolution slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Ims volte integration hello we have a lte epc with titan hss, its working only for the data now and we want to intergrate a opensource ims like kamailio ims server for the voice over lte. Voice over wifi vowifi is a term typically employed to describe the delivery of commercial telephony services using voice over ip voip technologies from mobile devices connected across wifi. Now is a good time to introduce all the components that. It gives examples of different bearers being established and how the correct qos. No native voice and sms three solutions all voip solution ip only signaling and bearer voip lte voip umts both ims oriented voip in lte and srvcc in. Spirent ims rchitecture te lte use eipent pespetive 6. Endtoend delay performance evaluation for voip in the. Ims architecture most discussions of the ims include a graphic portrayal of its architecture in terms of.
Posting someone elses answer but i think it covers almost all the factors. Sip solutioning and architectures is a subsequent article after sip introduction, which can be found here a voip solution is designed to accommodate the signalling and media both along with integration. Finally, section vi gives a summary on the subject matter as well as likely future trends. When we talk about voice over ip in the traditional. Volte a common misconception is that volte voice over lte and voip on an lte network are one and the same. Since lte is a dataonly technology, lte network operators could handle voice via fallback techniques, making use of the stillexisting circuitswitched networks. Sumit thakur uncategorized lte ppt power point presentation pdf.
The physical layer itself maintains the continuous connection model, especially on the downlink, where there is continuous transmission. From 3g to lte analyzes data from network operators and technology suppliers to determine how continued growth of data traffic volumes will affect mobile. Physicalcommunication32010217244 219 table 1 lte,lteadvanced,andimtadvancedperformancetargetsfordownlinkdlanduplinkul. The infrastructure of an lte cellular network comprises the eutraeutran air interface and the evolved packet core epc, which includes the gateways, mobility management and subscriber. Mrf media processing in 4glte networks overview for many years, the telecommunications industry has been enhancing network architecture in ways that ease the convergence of wireline, wireless, data. Ims ip multimedia subsystem is a standalone system. The architecture and implementation results of an lte category 4 modem based on a novel programmable. Such analysis can be shown by simulating and evaluating voip applications over the lte network. This document presents the lte network architecture as the first technical document of lte area.
Volte is helped by a lean lte network architecture that reduces packet delays while increasing bandwidth. The lte network architecture strategic white paper 1 1. Lte provides a packet switched model at the sap, but retains a circuit switched model at the phy. The architecture of lte network and working principle lte is a standard for wireless data communications technology and an evolution of the gsmumts standard. Voip voice over ip internet protocol volte voice over lte long term evolution. However, some services, such as conversational voice. Enhancement of the utra optimisation of the utran architecture to ensure the continued competitiveness of the 3gpp technologies for the future lte was the first and only.
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