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GLOBECOM
2008
IEEE
16 years 1 months ago
Capacity Analysis for OFDM Systems with Transceiver I/Q Imbalance
—OFDM systems have gained utmost importance for wireless communications requiring ever higher data rates. The maximum data rate that can be achieved is, however, limited by the w...
Stefan Krone, Gerhard Fettweis
PIMRC
2008
IEEE
16 years 1 months ago
Carrier frequency dependent throughput analysis for impaired OFDM links under user mobility
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate and carrier frequency dependent throughput of OFDM systems subject to various receiver impai...
Marco Krondorf, Gerhard Fettweis
GLOBECOM
2007
IEEE
16 years 1 months ago
Performance Analysis of Transmit and Receive Antenna Selection with Space-Time Coding
Abstract—This paper analyzes the performance of multipleinput multiple-output (MIMO) systems with transmit and receive antenna selection (T-RAS). The average bit error rate (BER)...
Wei Zhang, Chintha Tellambura, Xinwei Deng
GLOBECOM
2007
IEEE
16 years 1 months ago
Analysis of the Contention Access Phase of a Reservation MAC Protocol for Wide-Area Data Intensive Sensor Networks
— We propose a contention based reservation MAC protocol for a collaborative sensing scenario involving a set of surveillance UAVs communicating with a hub. Data transmission rig...
Arindam Kumar Das, Sumit Roy, Abhijit Mahalanobis
ICC
2007
IEEE
16 years 1 months ago
Performance Analysis of Primary User Detection in a Multiple Antenna Cognitive Radio
— We consider the problem of detecting a primary user signal over a wireless channel by a cognitive radio with multiple antennas. We present a multiple antenna processing based e...
Ashish Pandharipande, Jean-Paul M. G. Linnartz