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» Interference alignment and cancellation
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ICASSP
2010
IEEE
14 years 10 months ago
Adaptive beam tracking for interference alignment for multiuser time-varying MIMO interference channels
The problem of interference alignment in time-varying MIMO interference channels is considered. To reduce complexity, an adaptive algorithm for beam vector design is proposed base...
Heejung Yu, Youngchul Sung, Haksoo Kim, Yong Hoon ...
GLOBECOM
2009
IEEE
15 years 6 months ago
A Two-Stage Precoding Method Based on Interference Alignment for Interference Channel Systems
— It was shown by Cadambe and Jafar that the interference alignment (IA) algorithm achieves the theoretical bound on degrees of freedom (DOF) for interference channel systems. Ho...
Hakjea Sung, Seokhwan Park, Kyoung-Jae Lee, Inkyu ...
ICASSP
2011
IEEE
14 years 3 months ago
Adaptive beam tracking for interference alignment in time-varying MIMO interference channels: Conjugate gradient approach
Based on a linear formulation to interference alignment, an adaptive algorithm for interference-aligning beam tracking in time-varying MIMO interference channels is proposed. It i...
Junse Lee, Heejung Yu, Youngchul Sung, Yong H. Lee
VLSISP
2011
223views Database» more  VLSISP 2011»
14 years 6 months ago
Wideband Beamspace Processing Using Orthogonal Modal Beamformers
We introduce a novel beamspace processing structure that can be used for narrowband or wideband sources located either in nearfield or farfield of a sensor array. Main features o...
Thushara D. Abhayapala, Darren B. Ward
GLOBECOM
2009
IEEE
15 years 6 months ago
Interference Subspace Tracking for Network Interference Alignment in Cellular Systems
— In this paper, a practical solution to implement the distributed interference alignment (IA) algorithm of [1] in a cellular communication system is proposed. In the training pe...
Bo Niu, Alexander M. Haimovich