Sep 25, 2012 we had users report about having problems getting to activesync while on a certain wifi network here at work. Equipment for lte drive tests generally includes a scanning receiver and multiple ues, plus a laptop that is running software to record the data from the drive testing that can later be analyzed in a laboratory. Ptcrb approves anites lte data throughput test cases for. When streaming netflix over lte the difference in cellular data usage is ridiculous. However, other nations and companies do play an active role in the lte project. Tdlte and lteadvanced networks need correct time and. Generate throughput curves for physical downlink shared. This approach can also be used for simulating transmission modes 710, specifically, when the transmission scheme txscheme is port5, port78, port8, or port714where dmrs based channel estimation is required for pdsch. Developing solutions is focused on protocol development, test, and traffic analysis. For example, if you are testing a category 3 max throughput case system bw 20 mhz, number of rb 100, the idea max throughput is around 100 mbps.
Enduser data throughput performance and latency are the two key measures of a. Mobile data software company mobidia studied the data usage of 100,000 android lte users in the us, south korea and japan, finding that in all three markets but especially in korea and japan, lte. Learn more about simplified, realworld functional and rf tests of lte a ue performance using a fast, flexible and futureready onebox tester obt. The reference sensitivity power level is the minimum mean power received at the antenna connector at which a throughput requirement shall be met for a specified reference measurement channel. Lte performance, usually measured as data throughput, is especially sensitive to the system design in a wireless device. Pdf throughput measurement in 4g wireless data networks. It also shows the most important lte mimo settings for manual operation. Jun, 2017 lte fdd system capacity and throughput calculation june, 2017 december 25, 2017 admin lte lte system support for flexible bandwidth like 1. Lets take the example for lte using fdd, where channel bandwidth can be 5 mhz, 10 mhz and 20 mhz.
We are all carrying lte enabled devices in our purses and pockets. The pre4g 3gpp long term evolution lte technology is often branded 4g lte, but the first lte release does not fully comply with the imtadvanced requirements. For the detailed data path for lte, you can refer to another pages of this site. Mixedmode, multimodulation, specific framed data, special. A smart solution to test your cellular network on large scale.
End user data throughput performance and latency are the two key measures of a. Costeffective ota performance testing of mimoenabled lte. This is ideal for protocol conformance testing as per 3gpp ts 36. However, realworld lte data performance must deliver on its promise in order to drive arpu and help ensure the success of network operators and device manufacturers. This document includes relevant protocol related testing as well as functional testing. The data throughput collected by the test bed lte routers receive the signal from the radio communication tester, and later. A workaround for this case is to download multiple files simultaneously. Test plan for lte carrier aggregation interoperability. However, it was then obviously working through cellular data, as other services that would normally be blocked started working as well. In lte release 8 there is no carrier aggregation, so lets just consider simple cases.
The threemonth plan includes unlimited voice and 16gb of 4g lte data each month, and you can rollover up to 500mb of unused data per month. Generate throughput curves for physical downlink shared channel pdsch conformance test analysis. Consumer product focused cyber security test and certification program. Software, such as agilent signal studio and vector signal analysis, can support generation and analysis of lteadvanced standardcompliant signals for the next wave of development. These analyses reveal who generates how much and what e2e traffic, and how the traffic can be optimized for the various applications. The global drive for all carriers to use lte for its technological advantages also means the entire globe is unifying around a single standard, and with such mass comes higher profits and lower costs. Analyze throughput for pdsch demodulation performance test. Lan speed test from totusoft is offered for windows and mac os x.
Your quality partner for software solutions 4g lte testing ue nem system epc network gwsw psw core sw enb access network 1xhrpd network mme sgw fgw pcrf non 3gpp access network hss ofcs. Let us understand peak data rate or lte throughput calculation with following lte system configuration. Data rate for multiple configurations has been calculated. Transform your smart phone into mobile network drive testing tool in matter of minutes. Lets have a close look at all the layers available in eutran protocol stack which we have seen in previous chapter. All the physical layer and protocol layer processing is done in real time inside the pc, so no dedicated hardware is necessary. We are all carrying lteenabled devices in our purses and pockets. While ltefdd uses paired frequencies to upload and download data, ltetdd uses a single frequency, alternating between uploading and downloading data through time. It generates the signaling messaging and connects directly to the dut. The app also performs analysis and testing for custom userdefined measurement channels settings. Equipment used for lte drive test 4g lte drive test. Best windows 10 lte laptops in 2020 windows central.
The purpose of this document is to define the ctia certification program test requirements for lte interoperability. The many interactions between antennas, case design, rf modules, chipsets and firmware together make a dramatic difference in a highlyefficient product capable of high data throughput rates. In the lte pdsch conformance testing user interface, you can set these. This standalone example shows how to use the lte throughput analyzer app. For this kind of multiple download, you have to configure filezilla server and client to enable multiple downloadupload. Lte users consume more data than on 3g, but big data plans. Apr 20, 20 gaithersburg, maryland prweb april 20, 20 gl communications inc. These same parameters are exploited in drive test software to provide new. Oct 30, 20 it can test using tcp and udp data streams unidirectionally or bidirectionally and reports throughput, delay jitter, and datagram loss. Chicago lte video pilot lessons learned test report. The following calculations are made for user data bit rates on ip layer including ip headers and lte overhead, i. We took a look at a few network throughput testing tools. Lte requires support for six channel bandwidths from 1. For data connectivity verification over lte, iperf or icmp ping application can be used from the tethered equipment, or from the embedded application or os.
The 3 rd generation partnership project released the preliminary nr standard in december 2017. Opens the lte throughput analyzer app for performing. Below is a more ellaborated diagram of eutran protocol stack. Browse through the services and requestresponse message content defined in 3gpp specifications or search for specific structures. Tdlte and lteadvanced networks need correct time and phase data smart strategies can help designers provide the timing synchronization support that lte and ltea networks require. The lte throughput analyzer app performs pdsch demodulation performance testing. Chicago lte video pilot final lessons learned and test report first responders group. This seemingly poor performance could have many causes, including performance of the source or destination hosts, high latency on the link, performance of the network gear, bad duplex settings. Currently, octave code is available for test and simulation of downlink transmit and receive functionality and uplink prach transmit and receive functionality. Its magnesium alloy chassis, dipped in an oleophobic coating, is put through milstd 810g tests to prove its durability.
Mar 14, 2017 benchmark testing usually involves more devices than ue testing. Figure 2 illustrates the testbed for collecting data using. In addition to testing lan throughput, it can test file transfer, hard drive, and usb drive performance. Openlte is an open source implementation of the 3gpp lte specifications.
Measure user kpis for lte data, voice calls, video streaming, csfb, and volte services. The long term evolution lte network architecture comprises, among other. Measurement of the achieved data rates under typical network and. Informal drivethrough testing of initial verizon lte. In the example above, the data was transferred over a 1 gbsec link, but the actual throughput was only 218 mbsec 0. Lte throughput information at present 64qam is commonly used by all network operators and slowly they will be activating 256qam in their networks. How to calculate lte data rate downlink throughput. Now lets have a look at the theoretical throughput values for every addition of component carrier cc in case of a 2x2 mimo with 64qam and 256qam in downlink. Oct 01, 2012 the low quality video also means less data, and in our testing, only consumed 27.
The goal of lte was to increase the capacity and speed of wireless data networks. The device i was testing with eventually hit a timeout and just started working. How to analyze lte signal using lte analyzer pc software. Lte, in just a few short years, has displaced all other mobile technologies. Lte throughput calculator lte throughput calculation.
Ltenr base station software introduction lteenb allows to build a real 4g lte5g nr base station called an enodeb 4g or gnodeb 5g using a standard pc and a low cost software radio frontend. Lte test automation globaledge softwareglobaledge software. It uses a powerful, flexible spirent e2010s network emulator with. Use our rest dictionary to assist in your 4g and 5g core network testing or restful interface development. Lte fdd system capacity and throughput calculation. Plus, it is available as an ebook for ipad and amazon kindle.
In long term evolution lte, as with other cellular technologies, drive testing is a part of the network deployment and management life cycle from the early onset. Anite, a global leader in wireless equipment testing technology, today announced that ptcrb 1 has approved anites lte data throughput test cases for device certification testing. Another notice is calculated throughput includes lte headers i. Software, such as agilent signal studio and vector signal analysis, can support generation and analysis of lte advanced standardcompliant signals for the next wave of development. The 8100 lte data throughput solution automates data throughput performance testing of lte devices. Lte throughput test informal drive through testing of initial verizon lte deployments in the boston area measure throughput using. Lte, an abbreviation for longterm evolution, commonly marketed as 4g the fourth generation, is a standard for wireless communication of highspeed data for. Depending on the ip data throughput e2e performance, additional ip analyses across different layers are possible. The latest addition to developing solutions library of reference materials is now available. For an example, see lte throughput analyzer user defined testing.
The tool expects this variable to be present in the matlab base workspace. As lte uses different channel bandwidths both for fdd and tdd. Lte stands for long term evolution and is a registered trademark owned by etsi european telecommunications standards institute for the wireless data communications technology and a development of the gsmumts standards. Drive testing provides an accurate realworld capture of the rf environment under a particular set of network and environmental. The new radio spectrum will include frequencies from less than 6 ghz up to 100 ghz. If performance testing programs are designed to consider a wide. Pdf framework for automated tests of lte physical layers.
Lte physical layer throughput pdsch decoding performance. Physical layer carries all information from the mac transport channels over the air interface. Design engineers can fully characterize single or up to five aggregated component carriers simultaneously, setting the parameters and viewing the measurements on. May 04, 2020 the key to faster data via lteadvanced is the introduction of 8. Data throughput tests to measure if the new cell site is not delivering expected. Through a bridge, the data received or sent to the virtual. The maximum data rate depends on channel bandwidth. Lte has a theoretical net bit rate capacity of up to 100 mbits in the downlink and 50 mbits in the uplink if a 20 mhz channel is used and more if multipleinput multipleoutput mimo, i. Lte protocol conformance test equipments manufacturers. Apr 02, 2016 this video explains all the factors that affect possible peak data rate or throughput in lte.
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