TY - GEN
T1 - An integrated, low power localization system for sensor networks
AU - Karalar, Tufan C.
AU - Yamashita, Shunzo
AU - Sheets, Michael
AU - Rabaey, Jan
PY - 2004
Y1 - 2004
N2 - Localization (a.k.a. locationing) is a central concern for ubiquitous self-configuring sensor networks. In this paper the implementation of a distributed, least-squares-based localization algorithm is presented. Low power and energy dissipation are key requirements for sensor networks. As part of the sensor network, the localization system must also conform to these requirements. An ultra-low-power and dedicated hardware implementation of the localization system is therefore presented. The cost of fixed-point implementation is also investigated. The design is implemented in a 0.13/μ CMOS process. It dissipates I.7mW of active power and 0.122J/op of active energy with a silicon area of 0.55mm 2. The mean calculated location error due to fixed-point implementation is shown to be 6%.
AB - Localization (a.k.a. locationing) is a central concern for ubiquitous self-configuring sensor networks. In this paper the implementation of a distributed, least-squares-based localization algorithm is presented. Low power and energy dissipation are key requirements for sensor networks. As part of the sensor network, the localization system must also conform to these requirements. An ultra-low-power and dedicated hardware implementation of the localization system is therefore presented. The cost of fixed-point implementation is also investigated. The design is implemented in a 0.13/μ CMOS process. It dissipates I.7mW of active power and 0.122J/op of active energy with a silicon area of 0.55mm 2. The mean calculated location error due to fixed-point implementation is shown to be 6%.
UR - http://www.scopus.com/inward/record.url?scp=13244260843&partnerID=8YFLogxK
U2 - 10.1109/MOBIQ.2004.1331707
DO - 10.1109/MOBIQ.2004.1331707
M3 - Conference contribution
AN - SCOPUS:13244260843
SN - 0769522084
SN - 9780769522081
T3 - Proceedings of MOBIQUITOUS 2004 - 1st Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
SP - 24
EP - 30
BT - Proceedings of MOBIQUITOUS 2004 - 1st Annual International Conference on Mobile and Ubiquitous Systems
T2 - Proceedings of MOBIQUITOUS 2004 - 1st Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services
Y2 - 22 August 2004 through 26 August 2004
ER -