IP Library › Granted Patent US 12,418,338
Granted Patent B2
US 12,418,338 · App. 18/638,280 · Granted Sep 16, 2025

Method and system for polarization adaptation to reduce propagation loss for a multiple-input-multiple-output (MIMO) antenna

Inventor: Amr Abdelmonem (Northbrook, IL)
Assignee: ISCO International, LLC
H04B7/06966H04B7/06958H04B7/0696
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Quick Facts
Patent No.
US 12,418,338
App. No.
18/638,280
Granted
Sep 16, 2025
Kind
B2
Abstract

Aspects of the subject disclosure may include, for example, forming one or more downlink (DL) beams associated with subarrays of an antenna, performing signal transmissions using the one or more DL beams, and performing polarization adjusting for signals associated with the one or more DL beams such that each of the signals is oriented in a particular polarization, thereby improving signal reception by user equipment (UEs) associated with the one or more DL beams. Other embodiments are disclosed.

Claims (28)

1. A method, comprising:

forming one or more downlink (DL) beams associated with subarrays of an antenna, the antenna being part of a communications system; and

performing polarization adjusting for signals associated with the one or more DL beams such that each of the signals is oriented in a particular polarization based on a noise detection process, thereby improving signal reception by user equipment (UEs) associated with the one or more DL beams.

2. The method of claim 1 , wherein the performing the polarization adjusting comprises electronically rotating a polarization of each of the signals.

3. The method of claim 1 , wherein the antenna operates in multiple frequency bands.

4. The method of claim 3 , wherein the performing the polarization adjusting is for a select number of frequency bands of the multiple frequency bands.

5. The method of claim 1 , wherein polarizations associated with uplink (UL) beams are independent of polarizations associated with the one or more DL beams.

6. The method of claim 1 , wherein the performing the polarization adjusting of a signal reduces propagation loss of that signal in the particular polarization.

7. The method of claim 1 , wherein the performing the polarization adjusting comprises rotating signals associated with a subset of radiating elements of the antenna.

8. The method of claim 1 , wherein the performing the polarization adjusting comprises utilizing only a first dipole of a dual-polarized antenna element of the antenna, and not a second dipole of the dual-polarized antenna element, to transmit signals for a particular UE, thereby reducing transmit power.

9. The method of claim 1 , wherein the communications system comprises a time division duplex (TDD) communications system or a frequency division duplex (FDD) communications system.

10. The method of claim 1 , wherein the performing the polarization adjusting does not affect one or more directions or one or more shapes of the one or more DL beams.

11. The method of claim 1 , wherein reference signal information is derived according to the noise detection process.

12. A non-transitory machine-readable medium, comprising executable instructions that, when executed by a processing system including a processor and associated with an antenna system, facilitate performance of operations, the operations comprising:

forming one or more downlink (DL) beams associated with subarrays of an antenna, wherein the antenna is part of a communications system; and

performing polarization adjusting for signals associated with the one or more DL beams such that each of the signals is oriented in a particular polarization based on a noise detection process, thereby improving signal reception by user equipment (UEs) associated with the one or more DL beams.

13. The non-transitory machine-readable medium of claim 12 , wherein the performing the polarization adjusting comprises electronically rotating a polarization of each of the signals.

14. The non-transitory machine-readable medium of claim 12 , wherein the antenna operates in multiple frequency bands.

15. The non-transitory machine-readable medium of claim 14 , wherein the performing the polarization adjusting is for a select number of frequency bands of the multiple frequency bands.

16. The non-transitory machine-readable medium of claim 12 , wherein polarizations associated with uplink (UL) beams are independent of polarizations associated with the one or more DL beams.

17. The non-transitory machine-readable medium of claim 12 , wherein the performing the polarization adjusting of a signal reduces propagation loss of that signal in the particular polarization.

18. The non-transitory machine-readable medium of claim 12 , wherein the performing the polarization adjusting comprises rotating signals associated with a subset of radiating elements of the antenna.

19. The non-transitory machine-readable medium of claim 12 , wherein the performing the polarization adjusting comprises utilizing only a first dipole of a dual-polarized antenna element of the antenna, and not a second dipole of the dual-polarized antenna element, to transmit signals for a particular UE, thereby reducing transmit power.

20. A device, comprising:

a processing system including a processor; and

a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:

forming one or more downlink (DL) beams associated with subarrays of an antenna, wherein the antenna is part of a communications system; and

performing polarization adjusting for signals associated with the one or more DL beams such that each of the signals is oriented in a particular polarization based on a noise detection process, thereby improving signal reception by user equipment (UEs) associated with the one or more DL beams.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 18, 2024
From: ABDELMONEM, AMR
To: ISCO INTERNATIONAL, LLC
Reel/Frame 067144/0550 →
Continuity (3)
Continuation 18315960 · May 11, 2023
Provisional Application 63416883 · Oct 17, 2022
Related Publication 20240267110A1 · Aug 8, 2024
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