The trade-off between localization accuracy
Research gap analysis derived from 3 engineering papers in our local library.
The gap
The trade-off between localization accuracy and infinitesimal rigidity under increasing anchor cardinality has not been characterized for angle-only systems. Papers [3], [6], [11] study accuracy as a function of anchor count but do not meas
Evidence profile
Sourced from the synthesized of the source papers, classified as general, drawn from work published between 2018 and 2020, all from IEEE Transactions on Automatic Control. Those papers have been cited 54 times in total.
Research trend
Established — well-defined area with open sub-problems.
Supporting evidence — 5 representative gaps
- Optimal Anchor Placement for Localization in Large-Scale Wireless Sensor Networks (2019) · doi
No prior work systematically evaluates how anchor geometry (spatial distribution patterns) affects infinitesimal angle rigidity in angle-only localization. Papers [3], [6], [11] optimize anchor placement for distance-based localization under various noise models, but none characterize the relationship between anchor configuration and the rank/singular-value structure of angle-rigidity matrices required for angle-only constraints.
generalsynthesizedevidence 5/5Keywords: prior work systematically evaluates anchor geometry spatial distribution - Enhancing Localization Accuracy in Wireless Sensor Networks using Range-free methods and RSS Measurements (2018) · doi
Angle-only localization with Type-I angular constraints remains unexplored in the anchor-placement literature. Paper [7] develops angle-displacement rigidity theory for mixed measurement types (distance, bearing, angle) but does not isolate or optimize for pure angle-only scenarios; papers [1], [3], [5], [8] focus on range-based or range-free methods without addressing angle-only constraints.
generalsynthesizedevidence 5/5Keywords: angle-only localization type-i angular constraints remains unexplored anchor-placement - Optimal Anchor Placement for Localization in Large-Scale Wireless Sensor Networks (2019) · doi
The trade-off between localization accuracy and infinitesimal rigidity under increasing anchor cardinality has not been characterized for angle-only systems. Papers [3], [6], [11] study accuracy as a function of anchor count but do not measure rigidity probability or analyze when accuracy gains plateau while rigidity remains absent.
generalsynthesizedevidence 5/5Keywords: trade-off between localization accuracy infinitesimal rigidity increasing anchor - Optimal Anchor Placement for Localization in Large-Scale Wireless Sensor Networks (2019) · doi
No study compares multiple anchor-placement strategies (e.g., regular grids, random, boundary-only, optimization-driven) on a common metric combining both localization error and angle-rigidity measures. Papers [3], [6], [11] propose optimal placements for accuracy alone, but do not jointly optimize or compare strategies under a rigidity constraint.
generalsynthesizedevidence 5/5Keywords: study compares multiple anchor-placement strategies regular grids random - Angle-Displacement Rigidity Theory With Application to Distributed Network Localization (2020) · IEEE Transactions on Automatic Control · cited 54× · doi
The effect of angular measurement noise on the singular-value structure of angle-rigidity matrices and its relationship to localization performance has not been studied. Paper [7] addresses angle-based measurements in rigidity theory but does not analyze how additive angular noise degrades the conditioning or rank of the rigidity matrix.
generalsynthesizedevidence 5/5Keywords: effect angular measurement noise singular-value structure angle-rigidity matrices
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