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CISS
2008
IEEE
15 years 5 months ago
Resource allocation algorithms for multiuser cooperative OFDMA systems with subchannel permutation
— In this paper, we investigate resource allocation for a multi-user OFDMA cooperative system. Aiming at minimizing the total transmission power under target rate constraints for...
Bo Gui, Leonard J. Cimini Jr.
DELTA
2008
IEEE
15 years 5 months ago
A Single-Stage SEPIC PFC Converter for Multiple Lighting LED Lamps
—This paper presents a SEPIC PFC converter for driving multiple lighting LED lamps. With the aid of this converter, high power factor and high efficiency can be achieved by a sim...
Hsiu-Ming Huang, Shih-Hsiung Twu, Shih-Jen Cheng, ...
GLOBECOM
2008
IEEE
15 years 5 months ago
Tight Bounds of the Generalized Marcum Q-Function Based on Log-Concavity
—In this paper, we manage to prove the log-concavity of the generalized Marcum Q-function Qν (a, b) with respect to its order ν on [1, ∞). The proof relies on a powerful math...
Yin Sun, Shidong Zhou
GLOBECOM
2008
IEEE
15 years 5 months ago
A Low-Signalling Scheme for Distributed Resource Allocation in Multi-Cellular OFDMA Systems
—This paper considers distributed protocol design for joint sub-carrier, transmission scheduling and power management in uplink/downlink multi-cellular OFDMA wireless networks. T...
Pablo Soldati, Mikael Johansson
ICASSP
2008
IEEE
15 years 5 months ago
Optimal stochastic dual resource allocation for cognitive radios based on quantized CSI
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
Antonio G. Marqués, Xin Wang, Georgios B. G...