Edge Signal Weekly

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April 2026
#34

What we learned running ORAN in three Beirut microcells

Three sites within four kilometres of each other, identical hardware, three different operational profiles. — Rami N. · April 23

#33

Quantising a Llama-3 8B for a Snapdragon 8 Gen 3 — speed, cost, sanity

An end-to-end account of taking an 8B model from FP16 down to INT4 to run on a phone-class SoC. — Layla K. · April 16

#32

The case for delay-tolerant networking in cross-border deployments

Bundle protocol, store-and-forward gateways, and lessons from a cross-border IoT pilot where TCP simply didn't survive. — Karim H. · April 9

#31

n78 vs n79 in dense urban cores — a measurement walk-through

Drive-test methodology comparing n78 and n79 in two dense neighbourhoods — building penetration, when n79 wins. — Maya D. · April 2

March 2026
#30

Why on-device LLMs are the only honest answer for offline radio kits

Offline radio kits in field deployments, latency budget, and why API-based LLMs are unworkable for this use case. — Samir K. · March 26

#29

Beam-management hand-tuning for in-building DAS — what nobody tells you

Vendor defaults assume macro deployments. DAS micro-cells need a different threshold story — what we learned hand-tuning one. — Rami N. · March 19

#28

Practical NTP architecture for ORAN deployments

ORAN's ±100 ns sync target broke our default chrony stack. The PTP boundary-clock build that replaced it. — Karim H. · March 12

#27

Why we abandoned WireGuard for our cross-border IoT mesh

WG's replay-window assumption breaks badly under intermittent connectivity. The bundle-protocol replacement and what we lost. — Karim H. · March 5

February 2026
#26

Worth your time — three on-device inference benchmarks

Curated reads on INT4 quantisation, llama.cpp memory layout, and an under-appreciated 1B-parameter model for radio kits. — Layla K. · February 26

#25

Notebook — what we read this week

Three short notes on industry developments, standards updates, and conference CFPs worth tracking. — Maya D. · February 19