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JSAC
2011
215views more  JSAC 2011»
14 years 5 months ago
Opportunistic Spectrum Sharing Schemes for CDMA-Based Uplink MAC in Cognitive Radio Networks
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
Xi Zhang, Hang Su
85
Voted
ICMCS
2006
IEEE
179views Multimedia» more  ICMCS 2006»
15 years 4 months ago
Optimizing Algorithms for Region-of-Interest Video Compression, with Application to Mobile Telehealth
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...
Sira Rao, Nikil Jayant
ICC
2009
IEEE
103views Communications» more  ICC 2009»
15 years 5 months ago
Optimization of Split-And-Combine Relaying
Relays play an important role for increasing rate and reducing energy consumption of wireless networks. In this paper we consider a three-node network (source, relay, destination)...
Raymond Yim, Andreas F. Molisch, Jinyun Zhang
SENSYS
2003
ACM
15 years 3 months ago
Practical lazy scheduling in sensor networks
Experience has shown that the power consumption of sensors and other wireless computational devices is often dominated by their communication patterns. We present a practical real...
Ramana Rao Kompella, Alex C. Snoeren
INFOCOM
2005
IEEE
15 years 4 months ago
Time and energy complexity of distributed computation in wireless sensor networks
— We consider a scenario where a wireless sensor network is formed by randomly deploying n sensors to measure some spatial function over a field, with the objective of computing...
Nilesh Khude, Anurag Kumar, Aditya Karnik