US 12,068,813 B2
Massive MIMO systems with wireless fronthaul
Ahmed Alkhateeb, Chandler, AZ (US); and Umut Demirhan, Tempe, AZ (US)
Assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY, Scottsdale, AZ (US)
Filed by ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY, Scottsdale, AZ (US)
Filed on May 26, 2023, as Appl. No. 18/324,589.
Application 18/324,589 is a continuation of application No. 17/547,675, filed on Dec. 10, 2021, granted, now 11,742,902.
Claims priority of provisional application 63/123,680, filed on Dec. 10, 2020.
Prior Publication US 2023/0299817 A1, Sep. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 1/02 (2006.01); H04B 7/0452 (2017.01)
CPC H04B 7/0452 (2013.01) 20 Claims
OG exemplary drawing
 
1. A central processing unit (CPU) of a communications network system, comprising:
a plurality of antenna elements; and
a processor coupled to the plurality of antenna elements and configured to:
establish a first data communication link over a first frequency band between the CPU and a first access point (AP) of a first group of APs, wherein the first group of APs is selected to provide data communication between the CPU and a first user equipment (UE);
cause the first AP to establish a second data communications link over a second frequency band between the first AP and the first UE; and
transmit, via beamforming by the plurality of antenna elements, a portion of data to the first AP over the first data communications link, the portion of data configured to be relayed via the first AP to the first UE over the second data communications link, wherein:
the first data communications link and the second data communications link each comprise a wireless data communications link,
the first frequency band comprises different frequency levels than frequency levels of the second frequency band, and
the first group of APs or the first AP is configured to transmit data to a plurality of UEs including the first UE.