Preparing for Phase Delivery Chronos Technology: COMPANY PROPRIETARY

Preparing for Phase Delivery Chronos Technology: COMPANY PROPRIETARY

Preparing for Phase Delivery Chronos Technology: COMPANY PROPRIETARY Agenda Preparing for Phase Delivery GNSS fit for PRTC A Network fit for Phase distribution The right Partnerships 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 2 Why prepare for Phase? Phase must be supported When TDD technology is deployed When some LTE-A services are to be offered Our industry does not expect this to be as trivial as supporting Frequency over PTP proved to be Phase to the edge at 500ns / 1 microsecond is tough If you dont prepare Delays to the roll out of LTE-A services The network performance requirements not met Customer satisfaction affected 02/28/2020

Chronos Technology: COMPANY PROPRIETARY 3 We can help .. In-Service Piloting Design Equipment GPS/GNSS Support Futures 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 4 PhaseReadyTM Its a state of mind Phase budgets Source of Time Installation [. nS] + Audits

Nano seconds count EVERYWHERENetwork Support [. nS] + Timing Client PhaseReadyTM 02/28/2020 Chronos Technology: COMPANY PROPRIETARY [. ns] 5 Our updated and new solutions An updated service portfolio of services to help you Identify your state of readiness to support Phase Assess the risks associated with Phase synchronisation Solve the issues in your control before you go live For 4G / LTE-A networks For legacy networks Frequency Ready Services Sync

AuditTM (Frequency) Stoop 08 02/28/2020 Phase Ready Services Sync TM MasterclassTM Phase Ready Phase Ready Core Audit Network Audit Today 15 Chronos Technology: COMPANY PROPRIETARY 6 Lets look at these Phase budgets [. ns] Source of Time

+ [. ns] Network [. ns] + Timing Client Nano seconds count EVERYWHERE Satellite System Atmosphere or Space Weather Number of Hops Traffic Engineering Packet Buffering & Processing GPS/GNSS Sub-system

GPS/GNSS Receiver GM Switch Fabric & Buffering Redundancy & Resilience Oscillator Stability & Holdover 100 ns 02/28/2020 900 ns Chronos Technology: COMPANY PROPRIETARY Algorithm Precision & Efficiency <500 ns 7 When it works GPS Phase

Error @200ns Max Uncertainty 50ns Master Clock Phase Error @500ns Network GPS Phase Error @500ns Max Uncertainty 50ns Phase Error @200ns Master Clock Overall delay budget is maintained. TDD operation and/or COMP, MIMO, eICIC, eMMBS operate as expected 02/28/2020

Chronos Technology: COMPANY PROPRIETARY 8 When it goes wrong: Core site GPS Phase Error @ 400ns Max Uncertainty 300ns Master Clock Phase Error @ 900ns Network GPS Phase Error @ 900ns Max Uncertainty 100ns Phase

Error @ 400ns Master Clock Overall delay budget is NOT maintained at one Core site. TDD operation and/or COMP, MIMO, eICIC, eMMBS will be compromised 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 9 When goes wrong: Network GPS Phase Error @ 400ns Max uncertainty 100ns Master Clock Phase Error @ 900ns Network

GPS Phase Error @ 1100ns Max uncertainty 100ns Phase Error @ 400ns Master Clock Overall delay budget is NOT maintained at one part of the network. TDD operation and/or COMP, MIMO, eICIC, eMMBS will be compromised 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 10 When it goes wrong: Core & Network GPS Phase Error @ 400ns

Max uncertainty 100ns Master Clock Phase Error @ 900ns Network GPS Phase Error @ 1100ns Max uncertainty 300ns Phase Error @ 400ns Master Clock Overall delay budget is NOT maintained at one part of the network. TDD operation and/or COMP, MIMO, eICIC, eMMBS will be compromised 02/28/2020 Chronos Technology: COMPANY PROPRIETARY

11 When it goes wrong (or does it?): Core & Network GPS Phase Error @ 400ns Max uncertainty 300ns Master Clock Phase Error @ 900ns Network GPS Phase Error @ 1100ns Max uncertainty 100ns Phase Error @ 400ns

Master Clock While the two cells are nearly in Phase with each other, will a mobile device talking to other adjacent cell sites perform as expected? 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 12 Phase budget - Core site [. ns] Source of Time Satellite System [. ns] 02/28/2020 + + [. ns] Network Atmosphere or Space Weather

[. ns] + + GPS/GNSS Sub-system [. ns] Chronos Technology: COMPANY PROPRIETARY [. ns] Timing Client + GPS/GNSS Receiver (GM) [. ns] 13 PhaseReady TM Core Audit Suitability of site to become a PRTC

Typically 1 day for each full site audit Local health and safety rules can restrict audit scope Service deliverables Phase Ready GPS system time of day delay data Physical assessment of existing GPS system / GM hardware Assessment of collocated GPS systems and their possible impact on Phase deliver Support for updating clock configuration Verification of clock performance Core Audit 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 14 Phase budget - Network [. ns] Source of Time Number of Hops [. ns]

+ [. ns] Network + [. ns] + Switch Fabric & Buffering + [. ns] Timing Client Engineering Induced mis-configuration [. ns] + Redundancy & Resilience [. ns] 3rd Party Backhaul Many unknowns for the mobile operator 02/28/2020 Chronos Technology: COMPANY PROPRIETARY

15 PhaseReadyTM Network Audit Suitability of network to support require phase budget Each project is scoped individually with you Typical service deliverables Application requirements review Normal operating conditions Under failure conditions Allowances review and testing as required Network allowance Routers, Switches, Boundary Clocks transfer function testing Hop by hops or link by link testing and analysis PTP Slave allowance Transfer function testing Phase Ready Results and recommendations Network Audit 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 16 Metrics which one(s)? One way path delays

Sync Performance metrics For accurate and meaningful metrics, all must be collected with accurate time references (typically GPS/GNSS) GPS GPS GPS TimeError PDV TE FPP, MinTDEV, MAFE Path Delay TimeError Path Delay TimeError TE TE/TIE/MTIE/TDEV BC GPS GM PTP

GPS BC PTP Network PTP OC PTP GPS TimeError TE/TIE/MTIE/TDEV 1PPS ToD PTP SyncE Freq Confidential Released under NDA 2014 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 17 Referenced & unreferenced

metrics To compare metrics collected at different points each of those collection points must have the same reference Probes provide; An independent reference An independent view of performance 2-5% of sites equipped with GPS/GNSS referenced SyncWatch or SyncBOX-u units to provide accurate metrics datum GPS NTU/IADs/Cell site aggregators GPS GPS GPS GM GPS 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 18 Sync MasterClass

TM Standard public classes 2 day course Customer specific classes Standard 2 day course Tailored 1 and 2 days courses Can be supplemented by practical / hands on training on request Modular course architecture Select modules to select from to match your audience Sync TM MasterClassTM 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 19 Partnerships ensuring end to end timing excellence Most networks are multi-vendor technology Sync & timing increasingly supported by the network elements Chronos increasingly partnering with NE vendors To deliver end to end solutions for network operators GPS/GNSS systems, Sync testing & measurement, Sync design & planning, system installation and commissioning BC

GPS 02/28/2020 Vendor 1 BC Vendor 2 Vendor 3 PTP Synchronisation Chronos Technology: COMPANY PROPRIETARY GM/BC Vendor 4 20 PhaseReadyTM Get connected LinkedIn . Blog Twitter 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 21 Summary: Why Chronos? 29 years in time and timing

Delivering to the Telecom, Power and Finance industries New PhaseReadyTM offerings New/strengthened industry partnerships Experienced Deployment and support of entire timing networks Nano seconds count EVERYWHERE for network operators Global experts in industrial grade GNSS/GPS systems Developer of world renowned Sync MasterClass TM Developer of the original Sync Audit TM service Developer of boutique sync equipment The Mast Graphic To be placed here? SyncPORT, SyncBOX-u, CTL42xx Series Developer of test and measurement tools TimePortTM and SyncWatchTM 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 22 Thank you for listening

Questions 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 23 02/28/2020 Chronos Technology: COMPANY PROPRIETARY 24

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