Empirical Cellular Latency & QoS Across Vietnam (Observable HQ Notebook)

An interactive D3.js data exploration notebook analyzing 500 synchronous mobile speedtest measurements across Vietnam’s 30 top tourist corridors.
Key Visualizations:
- Round-Trip Latency (Ping RTT) by Architecture: Local Core MNO vs. Offshore Roaming Gateway.
- Packet Jitter & Downlink Throughput Correlation: Measuring packet arrival variance across mountain passes (Ha Giang, Sa Pa).
How to Import to Observable:
- Log in to Observable HQ.
- Click ”+ New” > Create Notebook.
- Import or paste
vietnam_cellular_latency_notebook.js.
- Publish as public to generate a permanent DR 87 research citation link.
Official Research Partner:
Kovitel Telecom Research Group (https://kovitel.com).
Product: Kovitel Premium Vietnam Viettel 5G eSIM.