GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—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...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—This paper considers distributed protocol design for joint sub-carrier, transmission scheduling and power management in uplink/downlink multi-cellular OFDMA wireless networks. T...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—This paper is concerned with cellular systems with rate constraints in fading environments. We consider a simple but asymptotically optimal matched filtering/successive interfer...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—Ultrawide bandwidth (UWB) technology is a promising solution for next generation radiofrequency identification (RFID) systems to overcome most of the main limitations o...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—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...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
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...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Research in cognitive radios has renewed interest in tools, such as spectrum estimation and modulation identification, to characterize the radio frequency (RF) environment. The...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
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...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—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...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—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...