Diversity Optimizer Diversity The quality of experience optimizer Powered by
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Diversity Optimizer The quality of experience optimizer
The integration of new technologies and services into mobile networks increases complexity and investments. Mobile operators have to continuously verify and optimize their services and the perceived quality of experience to assure customer satisfaction and to reduce churn. New services need to be tested and optimized which requires in-depth optimization measurements throughout the whole network lifecycle. Diversity Optimizer is a powerful and flexible multi-technology RF and service quality (QoS) optimization tool for mobile operators and infrastructure vendors. It runs on standard laptop PCs for drive tests, and on tablet PCs for indoor and walk test-based measurements. Diversity Optimizer supports more than 100 test devices, including the latest commercially available Android smartphones, USB modem data devices, SIP client, and RF scanners such as the Rohde & Schwarz R&S®TSME scanner. External devices can all be easily connected via standard PC interfaces, including USB, PCIe, and Ethernet. Running on a PC-based operating system, Diversity Optimizer can also be equipped with SwissQual QualiPoc Android smartphones, offering the portability and flexibility of a handheld tool with the power of a PC. With its intuitive and easy-to-use interface and the possibility to connect up to six test devices as well as an RF scanner, Diversity Optimizer supports all possible optimization test s cenarios. Diversity Optimizer is an ideal solution for drive and walk test-based optimization campaigns.
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Key Use Case Drive testing for QoE optimization To maintain customer satisfaction, the quality of experience (QoE) of end-to-end services, such as voice, data, video, and messaging, must be regularly verified. Diversity Optimizer can be used to measure a comprehensive range of QoE key performance indicators (KPIs), which deliver information to initiate optimization tasks. Multiple network technologies can be tested in parallel, depending on the connected devices. With SwissQual’s flexible interface NQView, either standard or fully customized monitors can be used. In addition, audio alarms and information pop-up messages are available to ensure nothing important is missed during a measurement. Fully automated, precise, and comprehensive radio frequency measurements can be collected simultaneously,
thanks to a connected RF scanner. Using indoor mapping functionalities, Diversity Optimizer can also be used for indoor optimization measurements and for troubleshooting tasks. For optimal portability and carry weight, the connected smartphone can be detached from the Optimizer and used as a standalone QualiPoc Android handheld tool. At a glance ı Laptop or tablet-based optimization solution using a commercial Android smartphone for quality of experience optimization and troubleshooting ı Supports up to six test devices, including the latest commercially available Android smartphones, USB modems, RF scanners, GPS receivers ® ® ı Support of Rohde & Schwarz (R&S TSMW, R&S TSME) and PCTEL® RF scanners for GSM, WCDMA,CDMA2000®, 1xEVDO, and LTE in all bands and with decoding broadcast information ı QoS and QoE measurements for voice (with POLQA, PESQ) as well as for VoLTE, data, and video (YouTube) KPIs ı Advanced locking functions performed on the phone such as channel and cell lock in GSM/WCMDA/LTE
Controlling laptop with SwissQual NQView
USB modem
GPS receiver R&S®TSME scanner
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Diversity Optimizer Maximum flexibility and mobility
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Product Highlights Comprehensive solution Employing smart functionalities to solve specific problems, Diversity Optimizer promotes cost-efficient work processes, minimizes human errors, and improves productivity. Mobile operators and testing service providers can use a single tool to address service quality and RF optimization troubleshooting at once.
Reflecting the real end-user perspective By performing service testing directly on the end terminal, mobile operators and testing service providers can gain valuable insight into subscriber behavior, thus measuring the real user experience.
NQView workspace
Systematic problem isolation
Universal software interface
SwissQual’s root cause analysis framework, together with POLQA testing, allows mobile operators and infrastructure vendors to troubleshoot the network, receiving useful insights of an issue’s possible cause, thus saving costs and gaining efciency during analysis.
With SwissQual’s proven and powerful Diversit y software, Diversity Optimizer can be reliably used with all technologies, testing them with commercially available smartphones, USB modems as well as stateof-the-art RF scanners.
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Key Product Features Full testing flexibility Diversity Optimizer provides great flexibility for any test configuration and software interface. Hardware configuration
up to six external devices can be connected in parallel, including the latest commercially available smartphones, USB modems, and GPS antennas as well as state-of-theart RF scanners. ı optionally, tests can be conducted with SwissQual’s QualiPoc Android handheld, which can also be used as a standalone optimization tool. ı
Software interface NQView
SwissQual’s NQView provides a powerful and flexible single interface to configure, monitor, and replay measurements. ı the graphical user interface offers completely customizable monitors, acoustic alarms, and pop-ups for real-time testing as well as in replay mode. ® ı support of MapX and OpenStreetMap mapping functionalities with the possibility to use an indoor layout picture as a base for indoor mapping. ı
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Comprehensive service testing Diversity Optimizer offers comprehensive voice testing with POLQA, PESQ, and SQuad, using the advanced root cause analysis framework, to address possible causes of low quality of experience. Diversity is also an optimal solution to test other services such as data, messaging, and video (e.g. YouTube) with complete sets of KPIs included.
Key benefits Using Diversity Optimizer will reward you with long-term values, including:
SwissQual’s in-depth voice quality root cause analysis – including standard POLQA and service performance KPIs for voice, data, and video services – to systematically isolate network quality issues and propose precise actions to rapidly fix them. ı a future-proof product concept, supporting all existing and future network technologies, results in lower total cost of ownership thanks to its flexibility to connect standard measurement devices. ı the continuous support of today’s and tomorrow’s wireless network technologies and commercial devices while keeping total cost of ownership (TCO) down. ı
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Technical Specifications Software specifications Technologies
Extensive technology test support including: GSM, GPRS, EDGE, WCDMA, HSDPA, HSUPA, HSPA+, CDMA/EVDO, LTE, LTE-A
Service Testing Options
Test of a wide range of services: ı Voice telephony: speech MOS for traditional voice/VoLTE service ı Data: Ping, FTP/FTPS DL/UL, HTTP/HTTPS, Capacity, Network Performance Test ı Video streaming: YouTube and others including video MOS using ITU J.343.1 ı App services: Facebook, Dropbox, Ookla speed test Speech Quality (MOS)
Wide range of integrated algorithms for voice quality assessments: ı ITU-T P.863 (POLQA) full reference voice MOS (narrow and wideband) ı ITU-T P.862/P.862.1 (PESQ) full reference voice MOS (narrowband) ı SQuad full reference voice MOS (narrow and wideband), echo, noise suppression, and RTT assessments
Devices
Support of a wide range of devices, including Android smartphones (Samsung, LG), data devices (Huawei, Sierra Wireless, ZTE), SIP clients (Skype, Counterpath), and RF scanners (R&S TSMW, TSME, PCTel SeeGull) System Architecture
Laptop or tablet PC with Windows® 7 (32-bit or 64-bit), Diversity Core, and NQView supporting multiple test devices connected via USB and LAN. Quick startup wizard guide allows the user to configure the system, automatically detect devices, and start testing. The scalable Diversity architecture allows distribution of data collection running on dedicated PCs for maximum performance. QualiPoc Android handheld testing option. Protocol Layers
Full logging and decoding of multiple protocol layers on all technologies: 3GPP and 3GPP2 RF, L2, L3, TCP/IP, including PPP, RTSP, SIP, and more. User Interface
NQView consoles facilitate the operation with automatically adapting menus, toolbars, and navigation panes. Control console used for all system configuration and measurement tasks actions. Real-time and replay consoles with predefined and customizable workspace pages and monitors. More than 900 measurement values available for customized presentation in maps, line charts, bar charts, list boxes, and tables. Predefined and customizable events with audio. Safe Driver mode.
Video Quality
Full support for video service evaluation and visual quality assessment: ı Video service evaluation with success, completion, and drop rates ı „time to first picture“, video freezing occurrences, frame rate, resolution, and IP statistics ı VQuad/VQad-HD™ full reference video MOS analysis (VQuad-HD™ is compliant with J.341) ı VMon™ no reference video MOS (VMon™ is compliant with J.343.1) Data Management
Data collection performed directly on the smartphones and scheduled data upload to the master tablet provided by all measurement devices. Map Plotting
MapX® map plotting with serving and neighbor BTS sector indications. Powerful saving and loading of drive test pat hs in MapInfo format allows display of several weeks o f driven routes. Multiple-map monitors and map layer offsetting makes the analysis of multiple networks and multiple values easy. Easy in-building positioning using indoor floor plan pictures that are stored in the measurement file. OpenStreetMap is supported in both on and offline mode.
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KPI Analysis
More than 250 key performance indicators (incl. ETSI) available in real-time as well as in post processing. Post Processing Platform
NQDI with in-depth data analysis, network troubleshooting, report generation, and historical performance trending. Flexible and customizable data selection and filtering capabilities, including time and data, network technology, operator, device type, map polygon regions, service quality threshold, layer 3 messages, and more. Customizable Excel reports based on KPI with a powerful report generator. Post Processing Compatibility
Compatibility with major third party post processing vendors.
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About Rohde & Schwarz Service that adds value Worldwide Local and personalized ❙ Customized and flexible ❙ Uncompromising quality ❙ Long-term dependability ❙ ❙
The Rohde & Schwarz electronics group offers innovative solutions in the following business fields: test and measurement, broadcast and media, secure communications, cybersecurity, radiomonitoring and radiolocation. Founded more than 80 years ago, the independent company which is headquartered in Munich, Germany, has an extensive sales and service network with locations in more than 70 countries. Mobile network testing
The company’s broad and diverse product portfolio for mobile network testing addresses every test scenario in the network lifecycle – from base station installation to network acceptance and network benchmarking, from optimization and troubleshooting to interference hunting and spectrum analysis, from IP application awareness to QoS and QoE of voice, data, video and app-based services.
Rohde & Schwarz GmbH & Co. KG
www.rohde-schwarz.com Rohde & Schwarz mobile network testing
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R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG Trade names are trademarks of the owners PD 3607.1613.12 | Version 02.00 | December 2016 Data without tolerance limits is not binding | Subject to change © 2016 Rohde & Schwarz GmbH & Co. KG | 81671 Munich, Germany
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