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ICC
2007
IEEE
135views Communications» more  ICC 2007»
15 years 4 months ago
Antenna Selection Strategies for MIMO Systems
—Antenna selection strategies for multiple-input multiple-output (MIMO) wireless systems is presented. In our scheme, both transmit and receive antenna selection is done at the r...
Insoo Hwang, Cheolwoo You, Yungsoo Kim, Vahid Taro...
ICC
2007
IEEE
15 years 4 months ago
A New MIMO Beamforming Technique Based on Rotation Transformations
Abstract— In this paper, we propose a new transmit beamforming technique for multiple-input-multiple-output (MIMO) systems to improve the link level performance. We present a met...
Heunchul Lee, Seokhwan Park, Inkyu Lee
ICC
2007
IEEE
15 years 4 months ago
Opportunistic Power Allocation for Random Beamforming in MISO Broadcast Channels
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...
Edward W. Jang, Hyukjoon Kwon, John M. Cioffi
VTC
2007
IEEE
113views Communications» more  VTC 2007»
15 years 4 months ago
Channel Prediction Heuristics for Adaptive Modulation in WLAN
— Channel-adaptive techniques increase the efficiency of wireless communications, as they are efficient in coping with the quality variation of the wireless channels. However, ...
Ana Aguiar, Adam Wolisz
ISCC
2005
IEEE
15 years 3 months ago
An Optically Controlled Module for Wavelength Conversion Circuits
We report an innovative solely optical architecture to implement the centralized wavelength conversion module of the CWC (Controlled Wavelength Conversion) protocol [1]. The propo...
Georgios I. Papadimitriou, Amalia N. Miliou, Andre...