Delay-Accuracy Trade-off in Opportunistic Time-of-Arrival Localization
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Delay-Accuracy Trade-off in Opportunistic Time-of-Arrival Localization. / Daniel, Ondrej; Wymeersch, Henk; Nurmi, Jari.
In: IEEE Signal Processing Letters, Vol. 25, No. 6, 06.2018, p. 763-767.Research output: Contribution to journal › Article › Scientific › peer-review
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TY - JOUR
T1 - Delay-Accuracy Trade-off in Opportunistic Time-of-Arrival Localization
AU - Daniel, Ondrej
AU - Wymeersch, Henk
AU - Nurmi, Jari
PY - 2018/6
Y1 - 2018/6
N2 - While designing a positioning network, the localization performance is traditionally the main concern. However, collection of measurements together with channel access methods require a nonzero time, causing a delay experienced by network nodes. This fact is usually neglected in positioning-related literature. In terms of the delay-accuracy trade-off, broadcast schemes have an advantage over unicast, provided nodes can be properly synchronized. In this letter, we analyze the delay-accuracy trade-off, for localization schemes in which the position estimates are obtained based on broadcasted ranging signals. We find that for dense networks, the trade-off is the same for cooperative and noncooperative networks, and cannot exceed a certain threshold value.
AB - While designing a positioning network, the localization performance is traditionally the main concern. However, collection of measurements together with channel access methods require a nonzero time, causing a delay experienced by network nodes. This fact is usually neglected in positioning-related literature. In terms of the delay-accuracy trade-off, broadcast schemes have an advantage over unicast, provided nodes can be properly synchronized. In this letter, we analyze the delay-accuracy trade-off, for localization schemes in which the position estimates are obtained based on broadcasted ranging signals. We find that for dense networks, the trade-off is the same for cooperative and noncooperative networks, and cannot exceed a certain threshold value.
U2 - 10.1109/LSP.2018.2826470
DO - 10.1109/LSP.2018.2826470
M3 - Article
VL - 25
SP - 763
EP - 767
JO - IEEE Signal Processing Letters
JF - IEEE Signal Processing Letters
SN - 1070-9908
IS - 6
ER -