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Conference Paper
Multiuser MIMO Beamforming for Guaranteeing Cell-Edge Performance with Other Cell Interference
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- Authors
- Jun Ho Lee, Seung Hwan Lee
- Issue Date
- 2011-06
- Citation
- International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 2011, pp.1-4
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we propose a multiuser multiple input multiple output (MU-MIMO) beamforming technique for guaranteeing cell-edge performance which relies on allocation of multiplexing streams, location-based scheduling and modified zero-forcing beamforming (ZFBF) called repetition ZFBF. The simulation resultsshow that the proposed ZFBF scheme can improve the cell-edge performance at any signal to noise ratio (SNR), and also outperforms conventional ZFBF in terms of the system performance at high SNR with interference from other cell.