github ruvnet/RuView v1087
Release v1087

latest releases: v1136, v1133, v1115...
4 hours ago

Automated release from CI pipeline

Changes:
research(R6.2.1): 3D antenna placement — ceiling-only gives 0% coverage; mixed-height wins (#724)

Extends R6.2 from 2D ellipse to 3D ellipsoid + 3D target zones (bed at
z=0.3-0.6, chair at z=0.5-1.2, standing at z=1.0-1.7 in a 5x5x2.5 m
room).

Counter-intuitive headline:

Strategy Coverage
Desk-height (0.8 m walls) 22.2%
Wall-mount (1.5 m walls) 17.4%
Ceiling-only (2.5 m grid) 0.0%
Mixed walls + ceiling 25.7%

Ceiling-only fails because both antennas at 2.5 m create a Fresnel
ellipsoid sitting AT ceiling height (2.1-2.9 m vertically). Target
zones at 0.3-1.7 m are below the envelope by 0.4-2.0 m. The 39 cm
transverse radius is symmetric around LOS, so a flat horizontal link
at any height misses targets at any OTHER height.

This is the 3D version of R6.1's on-LOS-degeneracy finding. A
horizontal link at any single height has its envelope concentrated
at that height.

Why mixed wins: best placement is Tx (5.0, 4.0, 0.8) + Rx (0.0, 4.0, 1.5).
The diagonal-in-z link tilts the ellipsoid through multiple elevations.
Covers chair AND standing AND bed simultaneously.

Vertical link diversity is the 3D insight 2D analysis missed.

Installation-guide updates:

  • Single pair: one low (0.8 m) + one high (1.5 m), opposite walls
  • 4-anchor: 2x low corners + 2x high opposite corners
  • 5-anchor knee: mix 0.8 / 1.5 / one ceiling
  • Bed-only: both LOW
  • Standing-only: both HIGH
  • NEVER: both ceiling without a low anchor

Coverage numbers are lower than R6.2's 2D 51% because 3D volumetric
coverage is inherently lower than 2D area coverage -- honest 3D physics.

Composes:

  • R6.2 (2D) -- incomplete; height matters as much as horizontal
  • R6.2.2 (N-anchor) -- N=5 knee should distribute across heights
  • R6.1 (multi-scatterer) -- needs 3D body model for proper composition
  • R14 V1/V2/V3 -- each vertical needs height-recipe
  • ADR-029 -- placement is (x, y, z), not (x, y)
  • R12 PABS -- detects intruders standing/sitting/lying with mixed heights

Honest scope: 3-zone discrete approximation, single-pair only, no
furniture occlusion, 0.1 m resolution, greedy search.

Coordination: ticks/tick-21.md, no PROGRESS.md edit.

Docker Image:
ghcr.io/ruvnet/RuView:39d18d1c998473badcdb0bca531fe8bdb1aa63b4

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