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ICASSP
2011
IEEE
12 years 9 months ago
Robust frequency synchronization for an OFDMA uplink system disturbed by a Cognitive Radio system interference
In Cognitive Radio (CR) systems, spectrum sensing plays a key role to determine the free frequency bands. However, when the primaryuser (PU) signal spectrum exhibits localized fad...
Hector Poveda, Guillaume Ferre, Eric Grivel
JSAC
2011
185views more  JSAC 2011»
13 years 6 days ago
Joint Dynamic Resource Allocation and Waveform Adaptation for Cognitive Networks
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
Zhi Tian, Geert Leus, Vincenzo Lottici
ICASSP
2008
IEEE
13 years 11 months ago
Compensation of RF impairments in MIMO OFDM systems
In this paper we propose a generally applicable frequency domain equalization and radio frequency (RF) impairment compensation technique for orthogonal frequency division multiple...
Deepaknath Tandur, Marc Moonen
CORR
2010
Springer
100views Education» more  CORR 2010»
13 years 5 months ago
Radio Interface for High Data Rate Wireless Sensor Networks
This paper gives an overview of radio interfaces devoted for high data rate Wireless Sensor Networks. Four aerospace applications of WSN are presented to underline the importance ...
Julien Henaut, Aubin Lecointre, Daniela Dragomires...
ICASSP
2011
IEEE
12 years 9 months ago
Joint bandwidth and power allocation in cognitive radio networks under fading channels
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...