ISWC
2003
IEEE
13 years 10 months ago
2003
IEEE
As mobile and wearable technology has evolved, an increasing need for indoor positioning has arisen. In particular, the use of ultrasonics provides a cheap way to fulfil this nee...
PERCOM
2003
ACM
14 years 4 months ago
2003
ACM
Many mobile applications can be greatly enhanced when provided with the locations of people and devices. Ultrasonic location systems have been shown to supply location information...