Sciweavers

Share
SIPS
2008
IEEE
9 years 9 months ago
Multi-mode sub-Nyquist rate digital-to-analog conversion for direct waveform synthesis
This paper describes the sub-Nyquist rate digital-to-analog conversion technique for a direct waveform synthesis (DWS) transmitter. IEEE 802.22 TV band Cognitive Radio (CR) transm...
Stanley Yuan-Shih Chen, Nam-Seog Kim, Jan M. Rabae...
INFOCOM
2008
IEEE
9 years 9 months ago
Competitive Analysis of Opportunistic Spectrum Access Strategies
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...
Nicholas B. Chang, Mingyan Liu
IMC
2009
ACM
9 years 9 months ago
Practical beamforming based on RSSI measurements using off-the-shelf wireless clients
WLANs have become an important last-mile technology for providing internet access within homes and enterprises. In such indoor deployments, the wireless channel suffers from signi...
Sriram Lakshmanan, Karthikeyan Sundaresan, Sampath...
books