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GLOBECOM
2009
IEEE
13 years 10 months ago
Conjectural Equilibrium in Water-Filling Games
—This paper considers a non-cooperative game in which competing users sharing a frequency-selective interference channel selfishly optimize their power allocation in order to imp...
Yi Su, Mihaela van der Schaar
CORR
2008
Springer
155views Education» more  CORR 2008»
13 years 7 months ago
Weighted Sum Rate Optimization for Cognitive Radio MIMO Broadcast Channels
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
Lan Zhang, Yan Xin, Ying-Chang Liang
TSP
2010
13 years 2 months ago
Uplink synchronization in OFDMA spectrum-sharing systems
Spectrum sharing employs dynamic allocation of frequency resources for a more efficient use of the radio spectrum. Despite its appealing features, this technology inevitably compli...
Luca Sanguinetti, Michele Morelli, H. Vincent Poor
PAMI
2002
127views more  PAMI 2002»
13 years 7 months ago
Relative Fuzzy Connectedness and Object Definition: Theory, Algorithms, and Applications in Image Segmentation
The notion of fuzzy connectedness captures the idea of "hanging-togetherness" of image elements in an object by assigning a strength of connectedness to every possible pa...
Jayaram K. Udupa, Punam K. Saha, Roberto de Alenca...
ICC
2011
IEEE
215views Communications» more  ICC 2011»
12 years 7 months ago
Optimal Packet Scheduling in a Broadcast Channel with an Energy Harvesting Transmitter
—In this paper, we investigate the transmission completion time minimization problem in a two-user additive white Gaussian noise (AWGN) broadcast channel, where the transmitter i...
Jing Yang, Omur Ozel, Sennur Ulukus