Keysight Technologies Nemo Xynergy Drive Test

Keysight TechnologiesNemo XynergyDrive Test

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Technical Overview

02 | Keysight | Nemo Xynergy Drive Test - Technical Overview

Table of Contents

Nemo Xynergy Introduction ........................................................... 03Integration with Nemo Data Collection Tools ................................ 06Nemo Xynergy Drive Test Module ...................................................07Optimization and Troubleshooting ................................................. 09Site and Cluster Acceptance ...........................................................10Benchmarking ..................................................................................11Dashboards ......................................................................................13Rules Engine ....................................................................................14


Nemo Xynergy Introduction

Nemo Xynergy is an enterprise-level, web-based data analytics platform from Keysight Technologies, Inc. for analyzing drive test, OSS, and subscriber data of mobile networks.

Enterprise-level, web-based analytics platform

For drive test, networkmanagement, and subscriber data

Automates key tasks in the networkmanagement life cycle

Data source, vendor, and technologyagnostic

Easy customization with state-of-the-art, user-definable business rules engine

Drive Test– Acceptance– Optimization– Benchmark

– Planning– Acceptance– Optimization

– PM– CM– FM– Others

– OSS trace– Others

Small CellsNetwork

ManagementGeospatial Intelligence

Figure 1. Nemo Xynergy consists of four separate modules: Drive Test, Small Cells, Network Management, and Geospatial Intelligence

Future-proof platformNemo Xynergy can integrate data from almost any source (e.g. all major drive test tool formats), any technology (LTE, VoLTE, UMTS, WiFi, etc.), and any vendor (e.g. Keysight, Ericsson, and NSN) while applying a network awareness of where each data set fits within an operator’s ecosystem. Nemo Xynergy Rules Definition Language (RDL) allows users to define their own rules, run these rules on normalized data to generate new key performance indicators (KPIs), troubleshoot issues, and automate processes. The flexible rules make Nemo Xynergy a suitable platform for implementing various centralized Self Organizing Network (SON) procedures. Given both the robustness and flexibility of this platform, it can continue to grow and evolve as you add new data sets or want to automate additional processes, such as closed-loop SON.

Improve operational efficiency and reduce customer churnNemo Xynergy is proven to reduce the operational cost of managing network performance. The platform’s user-friendly, rich, and intuitive interface flattens the learning curve, and provides a single access point to all network performance-related data sources. The high level of automation capabilities and the SON-compliant architecture enable the automation of routine network optimization tasks thus increasing efficiency.


Web clusters

Web servers Map servers Tiles servers

Oracledatabase

Backend servers -ETL/rules/dashboards

Tape changer

SAN

FTP/fileservers

Web load balance

Backup server

Network switch

Network switch

Figure 2. The logical architecture of Nemo Xynergy

Nemo Xynergy can be accessed via a web interface for easy sharing of data between different departments anywhere across the globe, thereby maximizing your network resources. Nemo Xynergy allows you to prioritize and align engineering tasks with available resources and company business goals and standardize best practices throughout engineering teams.

Nemo Xynergy is built to deliver strong return on investment for our customers through automation and by enhancing the customer experience, which reduces customer churn rates and maximizes quality of service.

Nemo Xynergy hardware architectureNemo Xynergy hardware architecture is modular and fully scalable to the needs of a variety of use cases, from small-scale to nationwide deployments. Nemo Xynergy utilizes clustering in all layers (ETL, database, application) to scale and the system can be expanded by adding additional storage and nodes.

The different servers included in the setup can run on virtual machines. In a typical setup there are two physical servers: one for the Oracle database and another for hosting the virtual servers of other functions.


As illustrated in Figure 2, the components in a typical Nemo Xynergy system include the following:

Backend servers – Processing servers for ETLs/rules – Processing servers for dashboard publishing (usually merged with ETLs/rules

server) – Processing servers for drive test – DB servers (Oracle) – File servers – Backup/admin servers

Front-end servers – Web servers – Tile servers – Map servers

Storage – Storage (SAN, SCSI, local)

Other IT hardware/services – Network switch – Load balancer (F5) – Tape drives/tapes – Backup power sources – Connectors and cables – Network connectivity (bandwidth, including redundant BW, if needed)

The actual configuration that will be proposed for any specific customer depends on various factors, such as:

– Whether or not redundancy is required – Expected SLAs for availability of data/results – Volume and rate of incoming data – Data retention requirements (both processed and raw)


Integration with Nemo Data Collection Tools

Nemo Xynergy is seamlessly integrated with Nemo data collection tools. Data can be uploaded directly from collection tools to Nemo Xynergy for processing. This enables faster turnaround time of processed results and removes the need for manual managing of data flow from collection to post-processing. As an example, in an in-building test scenario a report of the collected data is available within 15-45 minutes, sent via email to the field engineer. This allows the field engineer to validate the collected data before leaving the venue and to make additional corrective measurements during the same visit if needed.

Nemo Xynergy is also integrated with Nemo Cloud. Nemo Cloud is used to remotely control the configuration and measurements of collection tools in the field and to monitor the measurements in real time. When coupled with Nemo Xynergy, Nemo Cloud can also be used to configure the automated data upload to Nemo Xynergy, including report configuration and execution. The executed Nemo Xynergy reports are available also in Nemo Cloud. This gives a single access point for end-users to configure, execute, and monitor the progress of field measurements, and to fetch the final deliverables.

Figure 3. Integration of Nemo Xynergy with Nemo data collection tools

Nemo Xynergy Nemo Cloud

Nemo CloudNemo Xynergy - Centralized Analysis Platform

– Centralized, fully automated data processing chain– Network-wide view to the data with instant drilldown to message level interactive analysis– Benchmarking, optimization, troubleshooting– Inbuilding and drive test

– Asset management– Measurement control– Real-time monitoring– Reporting (powered by Nemo Xynergy)

End user - web access End user - web access

Log filesMeasurementconfiguration, real-timedata monitoring

Nemo data collection tools

Reports


Nemo Xynergy Drive Test Module

Nemo Xynergy Drive Test module provides centralized and automated analytics for drive test data. It supports all the use cases of drive test data post-processing, such as acceptance, benchmarking, small cells, and optimization.

Nemo Xynergy drive test module key benefits: – Automated processing and centralized online management of drive test data – Centralized, historical access to all processed data on the web – Rich feature set for online analytics and optimization – Fully user-customizable reports and data processing via rules engine – Dynamic, customizable dashboards accessible anytime, anywhere via mobile

devices – In-building/small cells data support with fully automated data processing chain – Site/cluster acceptance test automated processing and project management – Removes the bottleneck of manual data management and processing

Supported data formatsNemo Xynergy supports data feeds from all major drive test data collection tools:

– Nemo Outdoor, Nemo Handy, Nemo Walker Air, and Nemo Invex – TEMS Investigation, Pocket, Automatic – JDSU RAN Advisor (E6474), Truesite (FTA) – Swissqual Diversity, Qualipoc – Verizon DataPro – Accuver XCAL – Qualcomm QXDM – Anritsu LinkMaster – ZK Cell test SAM – PCTel SeeHawk, SeeGull Scanners – DingLi Pioneer – Genex Probe – MCEM – RTM/Broadcom (Nokia) – Sequans (LTE TDD) – Altair (LTE TDD/FDD) – HiSilicon (LTE TDD)


Nemo Xynergy Drive Test module – data flowDrive test data is loaded to Nemo Xynergy via the Nemo Xynergy smart client, FTP client, or with Nemo tools directly from the field. Drive test data is organized into projects in Nemo Xynergy. Projects are organized in a hierarchy, e.g. region/market/cluster/project, making it possible to easily manage nationwide data volume. Individual projects can be opened for in-depth interactive analysis, and reports and dashboards can be run across multiple projects.

The data processing chain is fully automated in Nemo Xynergy after data is uploaded. Projects are processed and published on the project management view for in-depth analysis in near-real time. Reports are automatically executed and dashboards appended with the new data.

Figure 4. Data processing chain in Nemo Xynergy

Data loading Automated processing,reports, dashboards

Data retrieval and analytics

Auto processing

Auto reports Datamanagement

Data mining

Auto dashboards

Onlineanalytics

− Custom reports across markets/time− In-depth business rules and analytics

580

− Time/distance binning− Layer 3 entire drive− Single button analytics − Area analysis − Delta analysis

− Compare different markets in region− See market trends over quarters − Root cause breakdowns

− Canned reports− Custom reports

− Find data easily− Merge/split data− Download reports/MDBs

− Auto− WindCatcher− MDBs


Optimization and Troubleshooting

Nemo Xynergy has an interactive user interface for online drive test data analysis, such as map plots with BTS overlay, delta plots, L3 signaling flow and decode, playback, and serving/neighbor/top n strongest cell link drawing to BTS overlay. This makes it possible to perform simple and intuitive in-depth analysis with a web browser and eliminates the need to install and maintain a desktop application. However, when preferred by the user, the datasets of individual Nemo Xynergy projects can be downloaded to a local machine for analysis with the Nemo WindCatcher desktop-based post-processing software. This makes it possible to seamlessly link the centralized post-processing system with local post-processing activities.

Nemo Xynergy provides automated routines for troubleshooting drive test issues, such as crossfeed, poor coverage, interference, neighbor list issues, pilot pollution, poor data throughput, VoLTE call quality, and dropped calls using a web-based analysis module. Nemo Xynergy also provides the ability to perform end-to-end analysis of drive test issues by correlating them with network statistics and parameters. The Drive Summary view in Nemo Xynergy automatically pinpoints typical issues found in drive test data, such as poor coverage, interference, crossfeed and neighbor list issues, pilot pollution, poor data throughput, VoLTE call quality, and dropped calls, allowing you to drill down to further details.

Figure 5. Crossfeed and overshooting issues shown per cell


Site and Cluster Acceptance

Nemo Xynergy provides an organized method for accepting sites, clusters, and systems as part of small (hundreds of sectors) or large-scale (hundreds of thousands of sectors) deployments. Nemo Xynergy supports an end-to-end process of site acceptance with automated processing, pass/fail criteria evaluation, reporting, automated and online analytics, and archived retrievals.

Nemo Xynergy is used commercially for significant 3G and 4G deployments by Tier 1 operators. Collection teams upload site/cluster acceptance drive test raw data to an FTP site using pre-determined file naming convention. Once the data is uploaded, everything is automated from automatic processing, report generation according to test plans, and pass/fail evaluation to overall project management.

Nemo Xynergy’s Acceptance Project Manager and dashboards with grouping, filtering, and drill down capabilities provide an efficient way to stay on track with nationwide roll-out projects.

Figure 6. Acceptance dashboard provides a quick way to identify sites/clusters that have failed

Nemo Xynergy can be configured to periodically send detailed status reports or trackers to the project management team. This way they will know exactly the list of sites/clusters that have passed through the system and their corresponding statuses and KPIs.


Benchmarking

Nemo Xynergy comes with many competitive analysis-oriented features and reports, such as nationwide benchmarking reports, delta plots (metric comparison on the map), and in-depth analysis per operator, per measurement device, and more.

The benchmarking dashboards enable real-time comparisons between regions with the ability to drill down and view historical trends. Dashboards can be accessed with mobile devices in addition to laptop/desktop computers.

Figure 7. Benchmarking dashboards provide comparative view between operators

The automated data processing chain in Nemo Xynergy efficiently manages large and complex data volumes and processes the data into informative and interactive reports and analytics views. Nemo Xynergy offers canned benchmarking report templates for all 3GPP network technologies and for the most common consumer applications and services. It also offers some advanced competitive analysis views.


Conditional delta plots enable the comparison of two datasets (e.g. operators) on a map plot per KPI. The delta plots offer interactive and in-depth analysis across operators and devices, and it is possible to plot metrics, events, sync with Layer 3, and more.

Figure 8. Advanced competitive analysis

Figure 9. Delta plots in Nemo Xynergy


Dashboards

Nemo Xynergy offers dynamic, fully customizable dashboards that are accessible via a web browser of a desktop computer or mobile device. The dashboards are used for reporting and data overview in all Nemo Xynergy use cases, including optimization, benchmarking, and site/cluster acceptance.

Instead of offering a simple static display of the data, the content in the dashboards is fully dynamic and interactive. The dashboards can be filtered instantly to a subset of data, all views matching the current selection and showing the relations between different data points. This makes it possible to explore the data in several ways on an ad-hoc basis and to find correlations between the different dimensions of the data.

Figure 10. Nemo Xynergy dashboards


Rules Engine

Nemo Xynergy Rules Definition Language (RDL) is a database-independent, procedural, and expert system definition language. The unique RDL allows users to define their own rules and effectively apply logic to the normalized data in order to identify new KPIs, troubleshoot issues, and automate processes. Every data source is exposed to the RDL which allows for effective correlation to any of the following outputs:

– Visualization (dashboards, maps, charts, reports, and more.) – Workflow (alerts that can be assigned, resolved, reactivated, and more.) – Microsoft Excel reports (based on fully formatted templates) – Databases (to generate and save analytical/summarized data) – Network elements update scripts/procedures (SON) – Web services (to drive other applications)

Figure 11. With RDL Studio, Nemo Xynergy users can define their own rules


This information is subject to change without notice.© Keysight Technologies, 2015 - 2017Published in USA, August 6, 20175992-2017ENwww.keysight.com

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Keysight Technologies Nemo Xynergy Drive Test