ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract— This paper proposes the opportunistic power allocation (OPA) scheme for random beamforming with a limited feedback rate. Without the channel state information, the prop...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
— In this paper, we consider a 2-hop wireless diversity relay network. We explore transmit power allocation among the source and relays to maximize the received signal to noise r...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
—We consider the adaptive throughput optimization problem for multiple-input multiple-output (MIMO) systems in Rayleigh fading channels. With perfect channel knowledge at the tra...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
— This paper develops linear precoding schemes for the downlink in multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with ...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
—Since the provision of both unicast and multicast services is expected for the next generation of multi-carrier wireless systems, the allocation of resources for this combinatio...
GLOBECOM
2007
IEEE
14 years 6 months ago
2007
IEEE
— Optimal pilot design and placement for channel estimation in Multiple-input Multiple-output (MIMO) Orthogonal Frequency-Division Multiplexing (OFDM) systems in the presence of ...
GLOBECOM
2007
IEEE
14 years 6 months ago
2007
IEEE
— Waterfilling and mercury/waterfilling power allocation policies maximize the mutual information of independent parallel Gaussian-noise channels under an average power constra...
GLOBECOM
2007
IEEE
14 years 6 months ago
2007
IEEE
— The design of spatio-temporal power allocation schemes is considered for space-time coding over spatially correlated multiple-input multiple-output (MIMO) channels. The focus i...
VTC
2008
IEEE
14 years 6 months ago
2008
IEEE
—Multiuser orthogonal frequency division multiplexing (MU-OFDM) is a promising technique for future wide-area mobile communications, which can provide scalable high data rate tra...
VTC
2008
IEEE
14 years 6 months ago
2008
IEEE
—The concept of Virtual Antenna Array (VAA) is a promising approach to apply MIMO concepts in relaying systems. In order to fulfill a given Quality-of-Service (QoS) requirement ...