From: Reference-free time-based localization for an asynchronous target
 | REFF-USR-LS | REFB-USR-LS | REFF-USRD-LS | REFB-USRD-LS(1) | REFB-USRD-LS(2) |
---|---|---|---|---|---|
Relations | Â | The REFF-USR-LS and the REFF-USRD-LS estimate are identical The REFB-USR-LS and the REFB-USRD-LS(2) estimate are identical | |||
No. of references | 0 | 2 | 0 | 1 | 2 |
Reference dependency | No | Yes | No | Yes | Yes |
Literature | Proposed | Proposed | [15] | ||
Min. no. of anchors, x of length l | Â | Â | l + 2 | Â | Â |