Bibliographic Details
| Title: |
Wideband beamspace squint user grouping algorithm based on subarray collaboration. |
| Authors: |
Pan, Xiaoliang, Li, Chunguo, Yang, Luxi |
| Source: |
EURASIP Journal on Advances in Signal Processing; 1/15/2022, Vol. 2022 Issue 1, p1-14, 14p |
| Subject Terms: |
STRABISMUS, MIMO systems, CO-channel interference, ALGORITHMS, PLANAR antennas, MULTIUSER computer systems |
| Abstract: |
The beam direction constrained problem is one of the important issues to be solved in millimeter-wave (mmWave) wideband communications when serving multi-user with squint beams whose direction varies with frequency. In this paper, we improve the number of simultaneous users served by collaboratively transmitting squint beams among multi-subarray at the base station (BS) end in a downlink multi-user line-of-sight (LoS) scenario, and reduce the interference among co-channel squint beams by a beam domain approach. The optimization problem of maximizing the number of users served in the system by transmitting beams in the two-dimensional beamspace of the planar antenna subarray is proposed and its suboptimal algorithm is given. Finally, the feasibility of the proposed method and the performance of the proposed algorithm are verified by numerical simulations. [ABSTRACT FROM AUTHOR] |
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