Mechanism
Each mesh agent participates in a governance-credentialed inter-agent ranging mechanism that produces range observations between participating mesh agents through one or more of a plurality of ranging modalities. The collection of admitted ranges across the mesh feeds a cooperative localization engine that determines agent positions through multilateration from admitted range observations. When no anchor observations are available, an anchor-less bootstrap mechanism produces a relative-only coordinate frame from these ranges alone, a frame that fixes the relative geometry of the participating agents while leaving the origin, orientation, and scale of the frame relative to any external reference undefined.
Additional agents are brought into the frame through multilateration against already-placed agents, and a transitive localization extender produces agent positions through neighbor references when direct-anchor ranging is insufficient. Where multilateration admits more than one solution, an ambiguity-resolution mechanism selects among the candidate solutions. A precision-and-uncertainty propagator propagates ranging precision and ranging-covariance through the localization chain, producing a per-position uncertainty estimate for each placed agent that reflects the accumulated error along the chain that placed it. An adversarial-range rejection mechanism rejects spoofed, injected, or otherwise inadmissible range observations before they enter the frame.
After the initial bootstrap, the relative frame is maintained as new range observations are admitted and as agents fail, leave, or join. A self-healing topology maintainer updates the coordinate graph under agent failure, removal, or addition, so that the loss of an agent drops its state from the frame without disrupting the placement of the remaining agents. The frame is internally self-consistent: the relative geometry among participating agents is correct to the precision of the ranging modalities in use, even though the orientation of the frame relative to any external reference remains undefined.
Operations that require only intra-mesh geometry, such as formation maintenance, collision avoidance among mesh members, relative navigation, and intra-mesh routing, execute against the relative frame produced under zero-anchor conditions. Such operations are indifferent to the absence of an absolute reference.
When an anchor observation becomes available, it is admitted through an anchor observation admission interface that accepts governance-credentialed anchor position contributions, and the relative frame is aligned to the corresponding global frame. A coordinate-frame specifier defines the frame type, origin, orientation, scale, and temporal association of the resulting coordinate system. Anchor positions and mesh-derived positions are combined with externally-sourced positions, including satellite navigation, inertial dead-reckoning, and visual-inertial odometry, through the composite admissibility evaluator of the governance mesh. Each anchor observation is admitted as a governance-credentialed contribution rather than as an unauthenticated input, so that its origin and the policy under which it was acquired are recoverable from the lineage.
A coordinate-lineage recorder records each range observation, localization event, frame definition, uncertainty update, ambiguity resolution, rejection event, and federation event in the governance chain lineage field. Operations that require absolute coordinates, such as coordination with non-mesh systems and reporting of mesh state to external command, compose with the confidence-governed execution and capability-envelope primitives of the governance mesh so that they engage only within the coordinate precision their governance policy requires. Operations that require only the relative frame are unaffected by whether the frame has been aligned to a global reference.
Operating Parameters
The precision of the mesh-derived frame is bounded by ranging modality accuracy and by reference-node density within ranging distance of consuming agents. Where precision falls below the governance-policy-defined threshold for a region, a reference-node densification mechanism produces on-demand precision improvement by integrating additional reference nodes into the existing coordinate system. The thresholds that govern admission of a range observation, alignment to a global frame, and the precision a consuming operation requires are defined by governance policy rather than fixed in the mechanism.
Anchor observations are admitted only under the governance policy that credentials them, and the alignment of the relative frame to a global frame, together with the per-position uncertainty it carries, is recorded as a frame-definition and uncertainty-update event in the coordinate lineage.
All parameters are bound to the mesh's active governance policy. Mid-mission mutation of these parameters is forbidden so that the conditions under which the local frame was constructed and under which absolute binding was admitted can be reconstructed from the lineage alone. The lineage records the policy reference active at each event so that the parameter set governing any historical observation is recoverable.
Alternative Embodiments
The ranging that feeds the bootstrap may be produced through any one of the plurality of ranging modalities the mesh admits, or through several modalities integrated into a single coordinate graph. Where direct ranging among agents is sparse, the transitive localization extender places agents through neighbor references rather than through direct ranges, so that an agent reachable only through a chain of intermediate agents is still admitted to the frame.
The cooperative localization engine may be realized as a centralized solver, as a decentralized solver in which each agent maintains and exchanges its own state, or as a hybrid of the two. The disclosure contemplates centralized, decentralized, and hybrid topologies.
The alignment of the relative frame to a global frame may incorporate anchor observations as they arrive rather than requiring them simultaneously, and the precision-and-uncertainty propagator carries the resulting ranging precision and ranging-covariance through the localization chain so that each aligned position carries its own uncertainty estimate.
Anchor and externally-sourced positions may originate from satellite navigation, from inertial dead-reckoning, from visual-inertial odometry, or from any external source admitted through the composite admissibility evaluator. The credentialing of the observation is independent of its physical origin: any source admissible under the governance policy yields a usable contribution.
The relative-then-absolute construction may be inverted in environments where a coarse anchor observation is available immediately but inter-agent ranges are sparse. In that embodiment the admitted anchor positions establish the frame, and the cooperative localization engine refines agent positions as inter-agent ranges accumulate.
Composition With Other Mechanisms
The anchor-less bootstrap composes with the mesh's governance lineage through the coordinate-lineage recorder, which records each range observation, localization event, frame definition, uncertainty update, ambiguity resolution, rejection event, and federation event in the governance chain lineage field. These records are anchored into the lineage on the same substrate that anchors any other mesh observation, so that an auditor reviewing the mesh's history can determine when each agent entered the frame, on whose ranges, and under what policy.
The bootstrap composes with downstream coordinated-action mechanisms by distinguishing operations that require only the relative frame from operations that require an absolute frame. Intra-mesh formation actions execute against the relative frame produced under zero-anchor conditions, while external-coordination actions execute only once the relative frame has been aligned to a global frame at the precision their governance policy requires.
The bootstrap also composes with the mesh's permission machinery. Operations admissible only inside a known absolute frame, such as coordination with non-mesh systems, are gated on whether the frame has been aligned to a global reference and on the freshness of the underlying anchor observations. Operations admissible in either frame, such as intra-mesh formation, are gated only on the availability of the relative frame. The permission-evaluation logic is uniform across both classes and is itself part of the governance lineage.
Composition with the mesh's resilience mechanisms is direct. If an agent fails, is removed, or leaves the mesh, the self-healing topology maintainer updates the coordinate graph and drops that agent's state without disrupting the placement of the remaining agents; if an anchor source fails after the relative frame has been aligned to a global frame, the alignment is preserved at its last recorded uncertainty, and downstream operations may be permitted or denied based on the staleness of that alignment under the active policy.
Prior-Art Distinction
Prior satellite-navigation systems operate on broadcast signals from centrally-operated constellations whose acquisition is required for positioning and whose denial precludes positioning, whereas the present primitive produces coordinate bearings from cooperating mesh agents without dependence on a central positioning authority. Prior differential-positioning and assisted-positioning systems operate on reference-station networks maintained by positioning-service operators, whereas the present primitive self-organizes through mesh agents without dependence on such an operator. The novelty claimed here lies in the anchor-less bootstrap to a usable relative-coordinate frame from zero-anchor conditions, in the credentialing of every range and anchor observation through the governance chain, and in the governance-chain-preserving lineage that makes each position's derivation chain reconstructable.
Prior positioning systems condition operations on the availability of anchors or external infrastructure. The mechanism described here decouples intra-mesh operations from anchor availability by design, producing a relative frame from zero-anchor conditions, while external-coordination operations engage only once the frame has been aligned to a global reference at the precision the active governance policy requires.
Prior modality-specific positioning systems are limited to a single ranging modality, whereas the present primitive admits a plurality of ranging modalities integrated into a single coordinate graph. None of these prior systems articulates the governance and credentialing structure that distinguishes the present disclosure.
Prior positioning systems that rely on static identifiers, such as satellite pseudo-random-noise codes, beacon broadcast addresses, and fixed-identifier access points, are vulnerable to identifier spoofing, whereas the present primitive authenticates each range observation through the governance-chain continuity identity of the mesh and rejects spoofed, injected, or otherwise inadmissible range observations. The relative frame produced under zero-anchor conditions is the primary operating substrate, and the alignment to a global frame is a secondary capability whose admission to operations is itself an auditable lineage event.
Disclosure Scope
This disclosure is described in U.S. Provisional Application No. 64/049,409. It covers the anchor-less bootstrap that produces a relative-only coordinate frame from inter-agent ranges under zero-anchor conditions, the cooperative localization engine and its multilateration, the transitive localization extender, the ambiguity-resolution mechanism, the precision-and-uncertainty propagator, the adversarial-range rejection mechanism, the anchor observation admission interface, the coordinate-frame specifier, the self-healing topology maintainer, the evidential fusion of mesh-derived and externally-sourced positions, and the coordinate-lineage recorder. Implementations contemplated include centralized, decentralized, and hybrid topologies, and applications contemplated include any operating context in which a mesh must begin work before any absolute reference is available. The disclosure extends to any embodiment in which a relative coordinate frame is constructed from observed inter-agent ranges, used as the operating substrate for intra-mesh actions, and subsequently aligned to a global frame through governance-credentialed anchor observations whose uncertainty is recorded in the coordinate lineage.
