GLOBECOM
2008
IEEE
13 years 5 months ago
2008
IEEE
—While intercell interference coordination (ICIC) for the downlink of multi-cell systems in general and orthogonal frequency division multiple access (OFDMA) networks in particul...
GLOBECOM
2008
IEEE
13 years 5 months ago
2008
IEEE
— The use of directional antennae in ad hoc networks has received growing attention in recent years. However, most existing directional MAC protocols assume interchangeable direc...
GLOBECOM
2008
IEEE
13 years 5 months ago
2008
IEEE
GLOBECOM
2008
IEEE
13 years 5 months ago
2008
IEEE
Abstract—We present a novel routing approach for multichannel cognitive radio networks (CRNs). Our approach is based on probabilistically estimating the available capacity of eve...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Channel estimation inaccuracy is known to affect significantly the error performance of coded communication systems. This applies in particular to broadband MIMO channels, ofte...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
— Accurate detection of spectrum opportunities within the frequency band of an orthogonal frequency division multiple access (OFDMA) system is a critical requirement for the real...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
−A class of combinatorial structures, called absorbing sets, strongly influences the performance of low-density paritycheck (LDPC) decoders at low error rates. Past experiments h...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract— In this paper, we propose a novel distributed Interleaved Random Space-Time Code (IR-STC) designed for MultiSource Cooperation (MSC) employing various relaying techniqu...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—We present a blind turbo equalizer for QAM signals that exploits the statistics that a channel code imposes on the transmitted signal. The receiver is an adaptation of previous ...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—In this paper, we propose a novel channel estimation scheme for the broadcast phase of the newly invented twoway relaying technique. Instead of using pilot sequences, we exploit...