XPERTrak Customer QoE Assurance and Proactive Network Maintenance System

Resolve Problems That Matter Most

There are many systems available today to turn dashboard indicators red, but only XPERTrak™ also gives you the insight and tools to help you turn them green.

XPERTrak

Spot at-risk subscribers before they churn and address the root cause issues quickly with integrated find and fix tools including plant leakage and field meter interaction. Virtualized system simplifies transition to new HFC technologies like DOCSIS 3.1 and Remote PHY and enables continuity of critical HFC maintenance capabilities. 

XPERTrak is the next step in industry-leading systems from VIAVI designed with an enhanced focus on at-risk subscribers. XPERTrak correlates data from deployed network elements and optional VIAVI leakage systems (signal leakage) and PathTrak hardware to assemble a QoE-based view of HFC plant performance. Designed with emerging technologies such as DAA/Remote PHY in mind, virtualization support is at the core of XPERTrak. Regardless of the underlying plant architecture or service provision equipment vendor in use, XPERTrak is the neutral solution to allow consistent service level measurement and superior find and fix capabilities across your entire footprint today and into the future.

Benefits

  • Fix what matters most by focusing on at-risk subscribers
  • Know where to go and what to do to fix identified issues before customers churn 
  • Reduce MTTR and OPEX by optimizing every truck roll 
  • Reduce customer calls 
  • Defer nodes splits by maximizing bandwidth from existing plant 
  • Provides seamless transition to DAA with vendor/architecture-neutral approach 

Key Features

  • Comprehensive DOCSIS 3.1 support 
  • Maintenance prioritization based on churn risk 
  • Service assurance and field find and fix capabilities in a single solution 
  • Fully supports PathTrak hardware and network element integration including R-PHY sweep 
  • Integrated PNM solution to illuminate HFC upstream, downstream, and home issues 
  • Consistent system-wide network performance assessment, vendor neutral 
  • Seamless integration of PathTrak HW, PNM, QoE, Leakage, and field meter interaction 

BTR Awards VIAVI with 4 Diamonds

  • Identify Impaired Nodes and At-Risk Subscribers

    The XPERTrak Service Dashboard provides visibility into the worst performing nodes in an operator’s system using adjustable QoE metrics. Node-level roll-ups are presented with drill-down granularity to per-subscriber QoE metrics. Trending displays are available to quickly identify chronic offenders vs. one-time occurrences, and alarm status is displayed to flag nodes where immediate action is warranted. Now service issues can be identified before subscribers call and repairs prioritized based on service impact

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  • Correlate Customer Issues to Impairments

    Beyond just pointing out the worst nodes, XPERTrak correlates impacted subscribers with detected plant impairments to pinpoint which specific issues to address to maximize customer QoE improvement and reduce churn. VIAVI draws on decades of experience to define appropriate impairment correlations and corresponding corrective actions. This allows sending the right person at the right time to fix the issue versus requiring extensive field diagnostics. By making QoE metrics readily available to field technicians on the tools that they commonly use they can confirm that any fixes applied truly addressed customer impact, not just improved physical layer symptoms.

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  • Fully Support Field Find and Fix Process

    Once you know where to roll a truck to, you still have find and fix the plant issues. Upstream ingress is the most common issue for technicians to address, and via PathTrak hardware support XPERTrak provides best in class live spectrum analyzers to expedite this process. Technicians can view both local and combined spectrum on their VIAVI field meters using Field View capabilities enabling single-person workflows. Mobile-friendly displays make spectrum and all other XPERTrak capabilities readily accessible out in the field where they are needed most. Virtual spectrum and QAMTrak analyzers provide continuity of critical real-time test capabilities during the DAA transition using common processes and user interfaces for legacy and DAA nodes. VIAVI leakage system integration further accelerates field find and fix activities including final localization of PNM-identified issues. PathTrak established its reputation as the go-to tool for field find and fix over 20 years ago, and XPERTrak continues to expand upon this legacy.

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  • Simplify Your DAA/Remote PHY Transition

    Distributed access architectures (DAA) such as Remote PHY are disruptive to HFC monitoring and maintenance practices. Most MSO’s plan to implement more than one type of DAA and use multiple vendors, and it will be challenging to develop standard processes to monitor and maintain networks with this highly heterogeneous mix during the typical 5+ year transition period. XPERTrak provides continuity of test for upstream capabilities including live spectrum and QAM analysis, monitoring/alarming, performance history, and sweep using the same field meters and processes used for legacy nodes. Technicians using PathTrak to maintain and troubleshoot traditional nodes today can seamlessly transition to the DAA equivalents in XPERTrak with no learning curve or process changes.

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  • Complete DOCSIS 3.1 Monitoring and Troubleshooting Visibility

    DOCSIS 3.1 provides significant enhancements to plant health visibility, and XPERTrak is the first solution available to take full advantage of these. DOCSIS 3.1 metrics are interwoven into existing XPERTrak QoE monitoring algorithms enabling most accurate identification of issues creating the greatest churn risk in an operators network. Summary views give a quick picture of network health based on OFDM profile distributions to drive proactive actions, and an optional DOCSIS 3.1 Analyzer is available for on-demand troubleshooting of per-modem issues. PathTrak hardware is leveraged to provide heatmap spectral analysis, addressing the challenge that wider OFDM-A carriers create in the common task of ingress remediation. Only XPERTrak provides the full set of capabilities needed to effectively monitor, maintain, and troubleshoot DOCSIS 3.1 networks.

    XPERTrakDOCSIS 3.1 Analyzer

Part of The VIAVI Remote PHY Solution

This product is part of the comprehensive VIAVI Remote PHY turn-up and maintenance solution enabling seamless transitions from legacy to distributed access architectures.

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