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Corridors and convoys

You are holding an intersection. The image must be from this second.

On a convoy or a closure it is not enough that a drone hovers over an entry with a beacon on. The operator must know whether they see the entry now, or a frame from hundreds of milliseconds ago.

Needs: Fleet from one centreTwo networks at onceControl from a centre

Drones with red and blue beacons holding intersection entries, cleared avenue, visualisation, visualisation
Visualisation

Illustrative case study

Four intersections ahead of a convoy

This is not a customer and not a flight that happened. It is a description of how this area would read if the image carried its age.

A city avenue, an illustration

Drones with red and blue beacons holding intersection entries, cleared avenue, visualisation, visualisation
Visualisation

The picture shows four drones with red and blue beacons at the intersection entries. The blink is only on screen. The beacon is not an AKIZU product.

The commander has four intersections. A drone with a beacon from another maker holds each entry. The beacon is on. That does not mean the image in the centre is valid.

In the example an entry is held only when the image is Valid. Drones hold the side streets. The avenue in the middle is clear only while age stays under the target. When one drone loses its image, that entry is not marked clear and Direct shows a neutral screen.

The convoy moves on a confirmed avenue. After the passage every intersection has a record: age, state, network switch, commands. This is not a closure plan and not a replacement for people at the intersection.

Deployment

Four drones, four beacons, four ages.

Ahead of the convoy

Only Valid entries are clear.

Outage

The beacon can be on. The entry is still not clear.

AKIZU does not supply the beacon, does not stop cars and does not run the intersection.

Image age through the example

The chart requires JavaScript.

The chart is a simulation. Move the slowdown and see when the example stops being under the 50 ms target. The target is not a measured result.

Deployment schematic

Where everything stands and how the image travels

The schematic is not to scale and is not a design for a specific site. It shows where the drone is, which two networks carry the frame and where the decision is made.

BS1S2D1D2D3D4D5D6AKIZU PlatformPAKIZU DirectO123456
Schematic, not to scale. A design, not a deployment plan. N

Numbers in the schematic

  1. 1The drones are at positions set by the police plan, not by AKIZU.
  2. 2The convoy moves on an avenue that is clear only with a valid image.
  3. 3Each drone sends its frame over two networks.
  4. 4Platform holds the age of every entry.
  5. 5The commander in Direct sees which entry is held and which is not clear.
  6. 6After the passage every intersection has a record.

Symbols in the schematic

  • BStation or launch point
  • DDrone with AKIZU Brain
  • S1 · S2Two mobile networks at once
  • PAKIZU Platform: fleet and pack
  • OAKIZU Direct: operator and image state

Red and blue beacons: police, state, the military in training. Orange: everyone else. The blink is only on screen. Schematic, design. The list beside it explains the codes in the drawing. The beacon is a payload from another maker, not an AKIZU product.

Concrete case

Minute by minute

The same illustrative case as above, written out in time. The times are an example. It is not a record of a flight that happened.

  1. T−20Drones at their positions. Every beacon is on, age not yet confirmed.
  2. T−10All entries in Valid. The commander sees it in Direct.
  3. T−5The network congests. Age at two entries rises, they stay under the target.
  4. T−2The drone at entry D1 loses its image. The beacon is on, the entry is not clear.
  5. T−1The commander decides by their own procedure. AKIZU only shows the state.
  6. T+3The convoy has passed. Record: age, state and network switch for every entry.

An illustration, not a deployment record. N

Use options

Everything it can be used for in this area

Each row is a separate use. The Parts column says which AKIZU parts it would involve. Status N is a design, C is a target, U is unknown.

UseWho uses itWhat AKIZU suppliesPartsStatus
A government motorcadePoliceAge and state of every entry on one screenBrain, SIM, Platform, DirectN
An emergency convoy passagePolice and rescueA visible image loss at an entryBrain, SIM, DirectN
An oversize loadPolice and haulierAn image of intersections ahead of the loadBrain, DirectN
A cycling or running raceOrganiser and policeEntries with age along the courseBrain, Platform, DirectN
A debrief after the passageCommanderA record for every intersectionPlatformN
The beacon and stopping cars—Not an AKIZU product—U

None of these uses is deployed today. A row is not an offer and not an authorisation to fly.

Corridor schematic

Corridor schematic

Move the convoy and drop the image from one drone. An entry whose image is not valid is not marked clear.

The interactive schematic requires JavaScript.

Simulation. A beacon on the drone is a payload from another maker, not an AKIZU product. The schematic does not replace a closure plan or an authorisation.

01

The problem today

01

Several images, one pair of eyes

The operator switches between drones and does not know which image is current.

02

An entry changes before the frame arrives

A car can enter while the image still shows an empty road.

03

A beacon is not proof of freshness

The light on the drone can be on while the image in the centre has frozen.

04

The city centre congests the network

The convoy goes exactly where cells are full of phones.

05

Afterwards you need to know what was valid

Without a record it is hard to show which entry was confirmed at the time.

Without AKIZU and with AKIZU

The same situation, different information on the screen. Proposed behaviour, to be verified in a pilot.

SituationWithout AKIZUWith AKIZU
The image is lateThe image looks live; the pilot does not know how old it is.Frame age is on the screen and the state changes to Reduced freshness. N
Several drones, one teamThe operator does not know which image is current.Every drone has its own age and state. An old image is not treated as confirmation. N
One network failsThe image freezes or breaks up.The frame arrives over the second network; the switch is logged. N
The pilot is in a centre far from the droneLatency changes and the pilot cannot see it.The deadline guard warns when a command arrives late. N

02

How it would work

  1. PlanThe commander names the intersections. Platform shows which drone holds which entry.
  2. DeploymentDrones take their places. Each has image age and state on the panel.
  3. Ahead of the convoyAn entry is clear only if its image is Valid.
  4. During the passageWhen age exceeds the deadline, Direct shows a neutral screen at that place.
  5. One network failsThe frame goes via the second operator and the switch is logged.
  6. After the passagePlatform stores a pack for every drone and intersection.

The flow is illustrative. AKIZU is in development.

03

Mission scenario

How many metres further the drone is than the image shows. Pick a scenario or set the speed and image age.

The interactive calculation requires JavaScript.

Scenario speeds are examples. 87.4 ms is the p99 measured internally over WiFi with a phone as transmitter, not on a drone.

Test this scenario in a pilot →

04

Requirements and answers

RequirementHow AKIZU answers itStatus
The commander sees every entry at onceAge and state of every drone on one panelN
An entry with an old image is not clearPast the deadline Direct shows a neutral screen, not the last frameN
A congested city centreBrain Duo sends every frame over two operatorsN
A beacon on the droneA payload from another maker. AKIZU does not control or supply itU
Convoy recordA pack with image age, states and commands for every intersectionN
Authorisation for the closure and the flightAKIZU does not replace it. It can supply evidence on image ageN
  • Zmeasured internally
  • Mmanufacturer data, not verified by AKIZU
  • NAKIZU design
  • Ctarget
  • Pplan
  • Odesign estimate
  • Unot yet known

05

Who works with it

01

Convoy commander

Sees which entry is confirmed and which is not.

02

Fleet operator

Holds the drones in place and is warned when the image stops being valid.

03

Pilot at the station

Prepares the next drone while one goes to the battery.

04

Review

Has a record after the passage of what each drone saw.

What we will measure in the pilot

  • Frame age p99 at an entry≤ 50 ms C
  • Entries marked clear on an invalid image0 C
  • Commands executed past deadline0 C

06

What you get after every flight

  • Image age and state of every drone during the convoy
  • Entries that were not confirmed, and why
  • Network switches at the intersections
  • Commands with a frame number
  • Time each entry spent in Valid
  • A pack for the convoy review

Recommended products

Open the selector with answers filled in →

AKIZU Direct cockpit with image age, simulated data
Simulated data

07

Context

Beyond-line-of-sight control under SORA 2.5

EASA introduced SORA 2.5 in September 2025. A road closure and a drone flight each need their own authorisation. AKIZU does not replace them.

Source: EASA, AirHub

Latency has a numerical limit

3GPP allows 140 ms for video in beyond-line-of-sight control. The AKIZU LET-1 target is 50 ms.

Source: 3GPP TS 22.125

U-space

EU Regulation 2021/664 on U-space applies from 26 January 2023. A city corridor may fall inside such airspace.

Source: EUR-Lex 2021/664

08

Questions about this area

FAQ →

What happens when the network fails?

The station does not show an old frame as current. When the age exceeds the deadline it switches to a neutral screen and shows the reason. We measured the switch internally within 2.72 ms.

Which networks will AKIZU use?

LTE and 5G. The Brain Duo concept sends every frame through two operators at once. The 3GPP standard expects the network to recognise a drone in the air, so we plan AKIZU SIM cards with an aerial profile at the operator.

Does AKIZU replace a BVLOS authorisation?

No. BVLOS flights need an authorisation in the Specific category based on a SORA 2.5 risk assessment. AKIZU Platform is meant to give the operator an image-age record as evidence for that assessment.

Does the drone replace an officer at the intersection?

No. The drone gives command an image of known age. The closure decision and the people on the ground stay with the service.

Does AKIZU supply beacons?

No. A beacon, if the operation wants one, is a payload from another maker. AKIZU handles image age, not light signals.

What if one drone loses its image?

That entry is not marked clear. Direct shows a neutral screen with the reason and command knows not to treat it as confirmed.

09

What the operator sees

The three image states in this area. Proposed behaviour, to be verified in a pilot.

Valid

The entry can be marked confirmed. Age is on the panel.

Reduced freshness

The entry is not clear. Command knows the image is late.

Unavailable

A neutral screen. This entry is not treated as clear, even if the beacon is on.

10

How the fleet is laid out

Illustrative layout. Drone and station counts are an example, not an offer.

01

Drone on the entry

North entry of the intersection

Holds the place. Its image decides whether the entry is confirmed.

02

Drone ahead of the convoy

The next intersection

Goes ahead. Until it has a valid image, the intersection is not passed.

03

Spare

Command vehicle

Takes over when the first one's battery drops. The record does not break in silence.

11

How a response runs

Times are an example. They show when image age decides.

  1. T−20 minDeploymentDrones take the entries. The panel shows four states.
  2. T−5 minCheckOnly Valid entries are clear.
  3. T+0PassageThe convoy moves. Every drone's age is recorded.
  4. T+15 minPackEvery intersection has a record.

12

What we do not do in this area

Not a road closure

AKIZU does not stop cars and does not run the intersection.

Not a beacon

A light on the drone, if the operation wants one, comes from another maker.

Not a replacement for people at the intersection

The drone gives an image. The decision and the people stay with the service.

Not a response manual

The schematic on the page is a simulation of image behaviour, not a convoy plan.

A pilot in this area

You are holding an intersection. The image must be from this second.

We are looking for first partners. The application is pre-filled for this area.

In more detail

Before a meeting on a corridor

The beacon can be on and the entry is still not clear.

Bring the number of entries, not a closure plan. We can show how each drone's age would hold or release an entry in a demonstration.

The red and blue beacon is not our product. The blink on the site is only on screen. The people at the intersection stay.

Bring to the meeting

  • How many entries.
  • Who says today that the road is clear.
  • What should happen when one drone loses its image.

This is not

  • Authorisation to close a road.
  • Stopping cars.
  • A replacement for the patrol at the entry.