US Patent No. 11,032,841

DOWNLINK ACTIVE SET MANAGEMENT FOR MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATIONS


Patent No. 11,032,841
Issue Date June 08, 2021
Title Downlink Active Set Management For Multiple-input Multiple-output Communications
Inventorship Tamer Adel Kadous, San Diego, CA (US)
Michael Mingxi Fan, San Diego, CA (US)
Assignee XCOM Labs, Inc., San Diego, CA (US)

Claim of US Patent No. 11,032,841

1. A network system comprising:a plurality of nodes, wherein each node is configured to communicate with one or more user equipment (UEs), and wherein each node initially corresponds to a separate active set; and
a scheduler in communication with the plurality of nodes, the scheduler comprising a processor and computer-executable instructions, wherein the computer-executable instructions, when executed by the processor, cause the scheduler to:
for a first active set,
determine whether a number of available MIMO dimensions in the first active set exceeds a threshold value;
determine a level of interference received at one or more UEs within the first active set;
in response to a determination that at least one of (a) the number of available MIMO dimensions in the first active set does not exceed the threshold value or (b) a determination that the level of interference within the first active set exceeds a second threshold value,
determine one or more metrics, each metric associated with the first active set and an active set other than the first active set; and
combine the first active set with an active set associated with the highest metric in the one or more metrics.