TSP
2008
13 years 6 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
TCOM
2008
13 years 6 months ago
2008
Abstract--This paper addresses the problem of joint optimization of transmit beamforming and space-frequency (SF) coding for MIMO-OFDM systems with spatial correlation feedback in ...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
An energy-efficient opportunistic collaborative beamformer with one-bit feedback is proposed for ad hoc sensor networks over Rayleigh fading channels. In contrast to conventional c...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
The focus of this work is on the analysis of transmit beamforming schemes with a low-rate feedback link in wireless sensor/relay networks, where nodes in the network need to imple...
GLOBECOM
2008
IEEE
13 years 7 months ago
2008
IEEE
Abstract—This paper investigates the zero-forcing (ZF) beamforming transmit strategy in the multiple-antenna multiuser downlink systems. We consider the case of mobile users equi...
GLOBECOM
2008
IEEE
13 years 7 months ago
2008
IEEE
—This paper deals with distributed beamforming techniques for wireless networks with half-duplex amplify-andforward relays. Existing schemes optimize the beamforming weights base...
FCCM
1998
IEEE
13 years 11 months ago
1998
IEEE
Over the past year we have been exploring the use of FPGA-based custom computing machines for several sonar beamforming applications, including time-domain beamforming[1], frequen...
IPSN
2004
Springer
14 years 4 days ago
2004
Springer
Energy efficient transfer of data from sensors is a fundamental problem in sensor networks. In this paper, we propose a distributed beamforming approach to this problem, with a cl...
VTC
2006
IEEE
14 years 24 days ago
2006
IEEE
— In this paper, we propose beamforming schemes for frequency–selective channels with decision–feedback equalization (DFE) at the receiver. We consider both finite impulse r...
GLOBECOM
2006
IEEE
14 years 25 days ago
2006
IEEE
— In this paper, we consider beamforming with finite– rate feedback for frequency–selective channels with decisionfeedback equalization (DFE) at the receiver. Using average ...