Ergodic Interference Alignment With Delayed Feedback
We propose new ergodic interference alignment techniques for K-user interference channels with delayed feedback. Two delayed feedback scenarios are considered-delayed channel information at transmitter (CIT) and delayed output feedback. It is proved that the proposed techniques achieve total 2K/(K + 2) DoF which is higher than that by the retrospective interference alignment for the delayed feedback scenarios.
- Issue Date
- 2013-05
- Language
- English
- Article Type
- Article
- Citation
IEEE SIGNAL PROCESSING LETTERS, v.20, no.5, pp.511 - 514
- ISSN
- 1070-9908
- Appears in Collection
- EE-Journal Papers(저널논문)
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