| Paper Abstract and Keywords |
| Presentation |
2020-10-01 15:10
Fast Beamforming using Sparse Coding for mmWave Communications
Yitu Wang, Takayuki Nakachi (NTT Lab) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The sensitivity of mmWave to blockages together with its directionality bring new technical challenges in the vehicular context. Traditional beam training is inadequate in satisfying low communication overhead and small latency, and the influence of the same blockage on a fixed position varies according to vehicle motion. To facilitate fast beam alignment, fingerprint-based method stands out as an efficient solution, where the utilities of selecting different beam pairs are recorded in the fingerprint database for reference at a given position. In order to better orchestrate fingerprint-based method with vehicular scenarios, we propose the idea of trajectory-aware fingerprint, which extracts the combined effect of mobility, propagation environment, and blockages, so as to faithfully reflect the transmitting condition in mobile scenarios. Then, a light-weight machine learning framework is established for intelligent adaptation among multiple fingerprints to find a near-optimal BS association and beam alignment solution. Finally, the simulation result verifies the performance improvements. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Milimeter wave / Dynamic environment / Fast beamforming / Fingerprint / Sparse coding / / / |
| Reference Info. |
ITE Tech. Rep. |
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| Download PDF |
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| Conference Information |
| Committee |
BCT IEICE-SIS |
| Conference Date |
2020-10-01 - 2020-10-02 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Online |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
System Implementation Technology, Short Range Wireless Systems, Smart Multimedia Systems, Broadcasting Technology, etc. |
| Paper Information |
| Registration To |
IEICE-SIS |
| Conference Code |
2020-10-SIS-BCT |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Fast Beamforming using Sparse Coding for mmWave Communications |
| Sub Title (in English) |
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| Keyword(1) |
Milimeter wave |
| Keyword(2) |
Dynamic environment |
| Keyword(3) |
Fast beamforming |
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Fingerprint |
| Keyword(5) |
Sparse coding |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Yitu Wang |
| 1st Author's Affiliation |
NTT Laboratories (NTT Lab) |
| 2nd Author's Name |
Takayuki Nakachi |
| 2nd Author's Affiliation |
NTT Laboratories (NTT Lab) |
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| Speaker |
Author-1 |
| Date Time |
2020-10-01 15:10:00 |
| Presentation Time |
20 minutes |
| Registration for |
IEICE-SIS |
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| Volume (vol) |
vol.44 |
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