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MOBISYS
2007
ACM
14 years 9 months ago
2007
ACM
We describe a complete hardware/software system, dubbed Universal Real-Time Navigational Assistance (URNA), which enables communication of relevant location-aware information to a...
MOBISYS
2007
ACM
14 years 9 months ago
2007
ACM
Location-awareness is an important requirement for many mobile wireless applications today. When GPS is not applicable because of the required precision and/or the resource constr...
MOBISYS
2005
ACM
14 years 9 months ago
2005
ACM
In this paper, we propose a system that uses the wireless networking and microphone interfaces of mobile devices to determine location to room-level accuracy. The wireless network...
MOBIHOC
2006
ACM
14 years 9 months ago
2006
ACM
Tag identification is an important tool in RFID systems with applications for monitoring and tracking. A RFID reader recognizes tags through communication over a shared wireless c...
DCC
2007
IEEE
14 years 9 months ago
2007
IEEE
We study the problem of maximizing the expected rate over a slowly fading channel with quantized channel state information at the transmitter (CSIT). This problem has been recentl...