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GLOBECOM
2008
IEEE
9 years 6 months ago
Transmitter-Based Minimization of Error Rates in the Downlink of Wireless Systems
—Using CDMA technology, one has to contend with interference in frequency-selective channels caused by multipath propagation and fading. Transmitter-based methods such as Zero Fo...
Fred Richter, Andreas Fischer, René Habendo...
GLOBECOM
2008
IEEE
9 years 6 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
GLOBECOM
2008
IEEE
9 years 6 months ago
On Cellular Capacity with Base Station Cooperation
—This paper is concerned with cellular systems with rate constraints in fading environments. We consider a simple but asymptotically optimal matched filtering/successive interfer...
Li Ping, Peng Wang, Hao Wang, Xiaokang Lin
GLOBECOM
2008
IEEE
9 years 6 months ago
Passive Ultrawide Bandwidth RFID
Abstract—Ultrawide bandwidth (UWB) technology is a promising solution for next generation radiofrequency identification (RFID) systems to overcome most of the main limitations o...
Davide Dardari, Raffaele D'Errico
GLOBECOM
2008
IEEE
9 years 6 months ago
Information Theoretic Approach to Signal Feature Detection for Cognitive Radio
—Cognitive radio (CR) systems need to be able to adjust the transceiver characteristics in response to stimuli received from the radio environment. Therefore, monitoring the wire...
Mostafa Z. Afgani, Sinan Sinanovic, Harald Haas
GLOBECOM
2008
IEEE
9 years 6 months ago
Numerical Performance Evaluation of OFDM Systems Affected by Transmitter Nonlinearities, Phase Noise and Channel Estimation Erro
Abstract—In this contribution we present a numerical approach to evaluate the bit error rate and mutual information of OFDM links affected by transmitter nonlinearities, phase no...
Steffen Bittner, Marco Krondorf, Gerhard Fettweis
GLOBECOM
2008
IEEE
9 years 6 months ago
Using Higher Order Cyclostationarity to Identify Space-Time Block Codes
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...
Marcus R. DeYoung, Robert W. Heath Jr., Brian L. E...
GLOBECOM
2008
IEEE
9 years 6 months ago
Performance of Multi-User MIMO Precoding with Limited Feedback over Measured Channels
Abstract—In multi-user multiple-input multiple-output (MUMIMO) systems, channel state information at the transmitter (CSIT) allows for multi-user spatial multiplexing and thus in...
Florian Kaltenberger, David Gesbert, Raymond Knopp...
GLOBECOM
2008
IEEE
9 years 6 months ago
On Relay Nodes Deployment for Distributed Detection in Wireless Sensor Networks
—In this paper, the problem of deploying relay nodes in wireless sensor networks will be considered. A system consisting of a set of sensor nodes communicating to a fusion center...
Karim G. Seddik, K. J. Ray Liu
GLOBECOM
2008
IEEE
9 years 6 months ago
Evolutionary Game Framework for Behavior Dynamics in Cooperative Spectrum Sensing
—Cooperative spectrum sensing has been shown to greatly improve the sensing performance in cognitive radio networks. However, if the cognitive users belong to different service p...
Beibei Wang, K. J. Ray Liu, T. Charles Clancy
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