Beam Grouping Based User Scheduling in Multi-Cell Millimeter-Wave MIMO Systems | Zendy

Anzhong Hu | Zendy

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Beam Grouping Based User Scheduling in Multi-Cell Millimeter-Wave MIMO Systems

Author(s) -

Anzhong Hu

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2872516

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This paper investigates the user scheduling in multi-cell millimeter-wave multiple-input multiple-output systems. The asymptotic analysis reveals that scheduling of users with larger effective channel gains is beneficial. Based on the relation between the inter-cell interference and the channel correlation, the users are grouped according to the beams they belong to. In accordance, scheduling of users in the same group will cause high inter-cell interference. Then, a user scheduling criterion which minimizes the inter-cell interference and maximizes the effective channel gain is proposed. Finally, the computational complexity of the proposed approach is analyzed and is compared with that of other approaches. The simulations verify that the proposed approach can mitigate more inter-cell interference than other approaches in favorable situations.

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