Wei, Z;
Masouros, C;
Xu, T;
Wong, K-K;
(2020)
Robust Interference Exploitation for Multi-Cell Transmission.
In:
2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications.
(pp. pp. 1-6).
IEEE: London, UK.
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Abstract
In this paper, we investigate power-efficient constructive interference (CI) exploitation in multi-cell coordination systems. By only sharing channel state information (CSI) among the coordinated base stations (BS)s, we propose a CI-based coordinated beamforming (CBF) scheme to judiciously exploit multiuser interference as a beneficial element rather than strictly mitigating it, while simultaneously suppressing inter-cell interference as a destructive element. Then taking imperfect channel state information (CSI) into consideration, we minimize the total transmission power consumption with multiple users’ probabilistic signal-to-interference-and-noise ratio (SINR) requirements, where the users’ SINR requirements are guaranteed in a statistical manner. Finally, under the presence of CSI error, simulation results demonstrate that the proposed CI-based CBF scheme consumes much lower transmission power compared to the classical CBF benchmarks, where both intra-cell multi-user and inter-cell interference need to be strictly cancelled as destructive elements. Last but not least, the incurred overhead and computational complexity of the proposed scheme are analytically analyzed, confirming its practicality as a new dimension on multi-cell coordination.
| Type: | Proceedings paper |
|---|---|
| Title: | Robust Interference Exploitation for Multi-Cell Transmission |
| Event: | 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications |
| ISBN-13: | 978-1-7281-4490-0 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/PIMRC48278.2020.9217238 |
| Publisher version: | https://dx.doi.org/10.1109/PIMRC48278.2020.9217238 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Constructive Interference Exploitation, Probabilistic Robust Optimizations, Multi-Cell Coordination, Interference, Signal to noise ratio, Precoding, NIST, Robustness, Array signal processing, Probabilistic logic |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10113011 |
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| 2. |  China | 5 |
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