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Cooperative Multi-Subarray Beam Training in Millimeter Wave Communication Systems
Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China..
Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China..
Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China..
Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China..
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2017 (Engelska)Ingår i: Globecom 2017 - 2017 IEEE Global Communications Conference, Institute of Electrical and Electronics Engineers (IEEE), 2017Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

This paper studies beam training design for a codebook-based beamforming millimeter wave (mmwave) system where multiple antenna arrays are employed and each array is capable of beamforming independently. To reduce the training overhead and the complexity of subsequent beam direction search, we propose a cooperative multi-subarray beam training method. Specifically, from the perspective of excluding non-effective beam direction combinations and thus reducing search space, method and criterion of beam superposition are proposed to construct a wide beam from multiple narrow beams corresponding to multiple subarrays. Then, a cooperative multi-subarray beam training scheme is proposed based on the proposed criterion. Finally, simulation results show that the proposed scheme achieves a spectral efficiency close to that of the optimal exhaustive search scheme, while has greatly reduced training overhead and computational complexity.

Ort, förlag, år, upplaga, sidor
Institute of Electrical and Electronics Engineers (IEEE), 2017.
Serie
IEEE Global Communications Conference, ISSN 2334-0983
Nyckelord [en]
Millimeter wave communication, Multiple antenna subarray, Beam training, Beam codebook
Nationell ämneskategori
Kommunikationssystem
Identifikatorer
URN: urn:nbn:se:kth:diva-226853DOI: 10.1109/GLOCOM.2017.8254902ISI: 000428054305013Scopus ID: 2-s2.0-85046371273ISBN: 978-1-5090-5019-2 (tryckt)OAI: oai:DiVA.org:kth-226853DiVA, id: diva2:1204333
Konferens
IEEE Global Communications Conference (GLOBECOM), DEC 04-08, 2017, YourSingapore, Singapore, Singapore
Anmärkning

QC 20180507

Tillgänglig från: 2018-05-07 Skapad: 2018-05-07 Senast uppdaterad: 2018-06-05Bibliografiskt granskad

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Xiao, Ming

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