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JSAC
2008
125views more  JSAC 2008»
13 years 5 months ago
Optimal Competitive Algorithms for Opportunistic Spectrum Access
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 must...
Nicholas B. Chang, Mingyan Liu
TWC
2008
141views more  TWC 2008»
13 years 5 months ago
Progressive Accumulative Routing: Fundamental Concepts and Protocol
This paper considers a multi-hop network in which relay nodes cooperate to minimize the total energy consumed in transmitting a (unicast) packet from a source to a destination. We...
Raymond Yim, Neelesh B. Mehta, Andreas F. Molisch,...
TCOM
2008
146views more  TCOM 2008»
13 years 4 months ago
Noncoherent eigenbeamforming and interference suppression for outdoor OFDM systems
Abstract--We investigate a new approach to uplink communications in wideband outdoor cellular systems that can take advantage of multiple antennas at the base station in a scalable...
Noah Jacobsen, Gwen Barriac, Upamanyu Madhow
HUC
2010
Springer
13 years 3 months ago
UBI challenge workshop 2010: real world urban computing
This workshop promotes ubiquitous computing research in authentic urban setting, with real users and with sufficient scale and time span. We first motivate why such research is im...
Timo Ojala, Jukka Riekki
GLOBECOM
2010
IEEE
13 years 3 months ago
Constructing Secure Localization Systems with Adjustable Granularity Using Commodity Hardware
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...
Patrick Traynor, Joshua Schiffman, Thomas F. La Po...
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