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SignMetrix Advanced Monitoring & Anomaly Detection Package

The SignMetrix Monitoring Suite is designed to ensure operational continuity, measurement accuracy, and data integrity across retail media and digital signage networks.

Executive Summary

While your Retail Media Network monetizes in-store screen inventory based on audience impressions and engagement metrics, maintaining measurement consistency and operational visibility becomes critical for advertiser confidence and campaign performance.

Campaign effectiveness, conversion rates, and ROAS calculations are directly tied to impression reporting quality. Unexpected impression spikes, abnormal traffic behavior, technical scanning interruptions, store-level inconsistencies, or zone-level operational issues may create reporting conditions that do not accurately reflect actual shopper engagement.

The SignMetrix Advanced Monitoring & Anomaly Detection Package provides continuous monitoring across device health, sensing activity, network communication, impression behavior, and zone performance throughout the retail media network.

By proactively identifying operational anomalies and measurement inconsistencies, the platform helps support reporting integrity, improve troubleshooting efficiency, and maintain more reliable in-store audience measurement conditions for advertisers and retail media operators.

So we designed two monitoring tiers to support both operational visibility and advanced measurement integrity requirements across retail media and digital signage networks:

  • Basic Monitoring Package
  • Advanced Monitoring & Anomaly Detection Package

The Advanced package extends beyond infrastructure monitoring and introduces statistical anomaly detection capabilities designed for retail media measurement and digital signage network environments.

Capability Basic Package Advanced Package
Player Health Monitoring ✓ ✓
Sensor Health Monitoring ✓ ✓
Device Storage Monitoring ✓ ✓
Network Monitoring Basic Advanced
Bluetooth Traffic Monitoring Basic Advanced
A/B Statistical Analysis - ✓
Impression Anomaly Detection - ✓
Zone-Based Anomaly Detection - ✓
Store-Based Anomaly Detection - ✓
RSSI Intelligence Monitoring - ✓
Behavioral Analysis - ✓
Operational Insights - ✓

1. Basic Monitoring Package Infrastructure & Device Monitoring

The Basic package focuses on operational visibility and device availability monitoring.

Included Features

Player Health Monitoring

  • Online / offline status monitoring
  • Device heartbeat validation
  • Device availability tracking

Sensor Health Monitoring

  • Bluetooth sensor status
  • Radar sensor connectivity validation
  • BLE scanning activity checks
  • Bluetooth enable/disable status monitoring
  • Sensor battery status monitoring
  • Power availability monitoring

Network Monitoring

Basic Network Monitoring

  • Online / offline network status monitoring
  • Connectivity availability checks

Bluetooth Traffic Monitoring

Basic Bluetooth Traffic Monitoring

  • BLE scanning activity visibility
  • BLE packet activity monitoring
  • Bluetooth operational status checks

Device Storage Monitoring

  • Device storage usage monitoring
  • Storage availability checks
  • Storage capacity visibility

2. Advanced Monitoring & Anomaly Detection Package Advanced Operational Intelligence

The Advanced package introduces statistical monitoring and anomaly detection capabilities designed for retail media measurement and digital signage network environments.

The system continuously analyzes live Bluetooth traffic, impressions, dwell activity, and zone performance to help keep impression reporting quality within expected operational conditions.

Included Features

Network Monitoring

Advanced Network Monitoring

  • Successful network call tracking
  • Failed network call tracking
  • Timeout detection
  • Long-response network call monitoring
  • HTTP status code monitoring
  • Offline duration reporting
  • Network stability monitoring
  • Communication reliability tracking

Example Network Metrics

Metric Example
Successful Network Calls 5,016
Failed Network Calls 6
Timeout Network Calls 6
HTTP 200 Responses 5,016
Offline Duration 77 seconds

Bluetooth Traffic Monitoring

Advanced Bluetooth Traffic Monitoring

Continuously monitors Bluetooth traffic including:

  • BLE packet counts
  • Unique device counts
  • RSSI monitoring
  • Recovery events
  • Scanning interruptions

Example Metrics

Metric Example
BLE Packet Count 3,223,773
BLE Packets (Last Minute) 611
BLE Unique Devices (Last Minute) 15
BLE Recover Count 0
Average RSSI -74
Invalid RSSI Packets 0

Detects

  • Sudden BLE traffic drops
  • Unexpected spikes in packet volume
  • Sensor scanning interruptions
  • Device density inconsistencies

A/B Statistical Validation Engine

SignMetrix uses comparative A/B statistical analysis models to continuously validate measurement consistency across:

  • Time periods
  • Zones
  • Stores
  • Devices
  • Traffic behavior
  • Impression behavior

The engine identifies statistically abnormal deviations from expected operational baselines.

Impression-Level Anomaly Detection

The platform continuously analyzes impression generation behavior.

Detects

  • Impression volume drops
  • Abnormal impression spikes
  • Unexpected dwell-time deviations
  • Impression-to-traffic ratio abnormalities
  • Time-of-day inconsistencies

Zone-Based Anomaly Detection

Each measurement zone is monitored independently against historical operational baselines.

Detects

  • Zone traffic inconsistencies
  • Low-performing zones
  • Unexpected audience behavior changes
  • Unexpected zone high traffic changes
  • Zone calibration drift

Example

If a checkout zone historically produces 2,000 daily impressions and suddenly drops 65% while neighboring zones remain stable, the system automatically flags the anomaly.

Store-Based Anomaly Detection

The platform performs cross-store comparative analysis.

Detects

  • Underperforming stores
  • Traffic inconsistencies between comparable stores
  • Network-wide operational abnormalities
  • Region-specific outages
  • Store-level measurement degradation

Comparative Intelligence

Stores can be benchmarked against:

  • Historical performance
  • Similar store formats
  • Geographic regions
  • Expected traffic baselines
  • Seasonal trends

RSSI & Signal Quality Intelligence

The platform continuously validates Bluetooth signal quality.

Monitored Metrics

  • Maximum RSSI
  • Average RSSI
  • Minimum RSSI
  • Hourly RSSI distributions
  • Minute-level RSSI trends

Example RSSI Snapshot

Metric Value
Maximum RSSI -57
Average RSSI -74
Minimum RSSI -84

Real-Time Alerting & Monitoring

The Advanced package can generate alerts for:

  • Offline devices
  • BLE scan interruptions
  • Impression anomalies
  • Zone abnormalities
  • Network instability
  • Unexpected traffic behavior
Key Benefits Operational Reliability

Continuously validates infrastructure and measurement integrity.

Measurement Accuracy

Helps identify operational conditions affecting impression quality.

Faster Troubleshooting

Enables operations teams to proactively identify issues before impacting reporting.

Scalable Monitoring

Supports large-scale retail media deployments across thousands of devices and stores.

Reduced Manual Auditing

Automated statistical monitoring reduces operational overhead.