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Book synopsis

Your phone shows full bars. But the call drops. The video buffers. The speed test disappoints. Why? Because signal bars lie. They measure power, not quality. A strong signal from a congested cell can perform worse than a weak signal from a clean one. Full Bars teaches you to read what's actually happening inside a 5G network-so you stop trusting the bars and start understanding the system. Written by a working 5G optimization engineer, this book gives you:

• The real reason "full bars" doesn't mean good service-and what to look at instead
• A mental model for how 5G signals propagate, degrade, and interfere
• The handful of KPIs that actually reveal network performance (not the dozens that don't)
• A six-step troubleshooting method used in the field-not in a textbook
• Practical techniques for interference, handover, and coverage issues you can apply tomorrow

No PhD required. No vendor-specific jargon. Just clear explanations from someone who has stared at the dashboards and fixed the problems. If you've ever looked at a network dashboard and felt like the numbers were speaking a language you hadn't learned yet-this book is your translation.

Book details

• Full title: Full Bars
• Subtitle: Why Your Signal Lies and How to Read It Anyway
• Author: JIE LIU
• Language: English
• Binding: Paperback
• Number of pages: 164
• EAN: 9798180089588
• ID: 52815627
• Publisher: Independently published
• Weight: 199 g
• Dimensions: 216 × 140 × 10 mm
• Date of publishing: 05. June 2026

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