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LoRaWAN

LoRaWAN’s new TR013 standard doesn’t fix congestion—it just makes collisions slightly less random.

Worth your time?3.5/5Yes.Study the whole thing.What works, what does not, who it is for ↓
9:26in productionCh. 1 · What it is/ 9:26 · ceiling 15 min
4 chapters · 9:26Ceiling 15:00

The brief is written and checked. The video joins this page when it is cut.4 chapters · 1 min read · 9:26 planned

Read the brief

LoRaWAN is a low-power, wide-area network protocol that uses LoRa as its physical layer and defines the communication protocol between end-nodes and gateways. TR013 introduces a CAD-based CSMA-CA MAC technique based on LMAC to improve spectrum efficiency and reliability in congested environments.

SystemsInfrastructureEngineeringHardwareInfrastructure across the network →
Chapters & takeaways4
  1. 0:49
    What it is

    LoRaWAN is a low-power, wide-area network protocol for battery-operated Internet-connected devices.

  2. 2:39
    How it connects

    It uses LoRa as the physical layer and defines the protocol between end-nodes and gateways.

  3. 4:03
    Where TR013 comes from

    TR013 is based on LMAC—the first industry-academia collaboration by the LoRa Alliance to yield a Technical Recommendation.

  4. 6:00
    What TR013 adds

    CAD-based CSMA in TR013 improves spectrum efficiency and reliability—especially when many devices share the same channels.

Worth your time?

Yes. Study the whole thing.

3.5/ 5
What works
  • enhances spectrum efficiency
  • improves reliability in congested environments
  • introduces coordinated channel sensing before transmission
What does not
  • eliminate collisions
  • guarantee deterministic timing
  • replace adaptive data rate or duty-cycle management
Study it if
  • operators of dense sensor networks
  • deployments in licensed or shared sub-GHz spectrum
Skip it if
  • sparse rural deployments
  • latency-sensitive control systems
  • applications already using simpler contention-free schemes
The written brief1 min read

What it is and the problem it solves

LoRaWAN is an LPWAN protocol for connecting battery-operated devices to the Internet over long distances with low power. It solves the problem of extending connectivity to remote, low-bandwidth, energy-constrained sensors where cellular or Wi-Fi are impractical.

How it works

LoRaWAN uses LoRa as its physical layer. It defines the communication protocol between low-power end-node devices and gateways. TR013 introduces a CAD-based CSMA-CA MAC technique based on LMAC to manage channel access.

What works

The CAD-based CSMA technique specified in TR013 enhances spectrum efficiency and ensures more reliable device communication, including in congested environments.

What does not

TR013 does not eliminate collisions entirely. It does not guarantee deterministic timing. It does not replace the need for adaptive data rate (ADR) or duty-cycle management at the device level.

What it changes

It changes how LoRaWAN handles contention: shifting from uncoordinated transmission attempts toward coordinated channel sensing before sending. This alters gateway load profiles and improves scalability in dense deployments.

Is it worth your time

Yes—if you operate in spectrum-congested environments and need predictable reliability from battery-operated sensors. No—if your deployment is sparse, latency-tolerant, or already uses a simpler ALOHA-style approach without congestion issues.

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