282 search results - page 52 / 57 » A Measurement Study of Multiplicative Overhead Effects in Wi... |
WH
2010
13 years 2 months ago
2010
Patients with end stage renal diseases (ESRD) on hemodialysis (HD) have high morbidity and mortality due to multiple causes, one of which is dramatically higher fall rates than th...
TSP
2010
13 years 2 months ago
2010
Effective spectrum sensing is a critical prerequisite for multi-channel cognitive radio (CR) networks, where multiple spectrum bands are sensed to identify transmission opportuniti...
SENSYS
2005
ACM
14 years 1 months ago
2005
ACM
Sensor networks have the potential to greatly impact many aspects of medical care. By outfitting patients with wireless, wearable vital sign sensors, collecting detailed real-tim...
WIOPT
2006
IEEE
14 years 1 months ago
2006
IEEE
— This paper presents the first analytical model for ad hoc networks equipped with multiple-input multiple-output (MIMO) radios using space-time coding (STC) that considers the ...
MOBICOM
2010
ACM
13 years 8 months ago
2010
ACM
We report a first-of-its-kind realization of directional transmission for smartphone-like mobile devices using multiple passive directional antennas, supported by only one RF chai...