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Table 1 LS estimators based on TOAs for locating an asynchronous target

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

 

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

[5, 17, 18]

Proposed

[7, 22]

[15]

Min. no. of anchors, x of length l

  

l + 2

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