IP Library Granted Patent US 10,027,386
Granted Patent B2
US 10,027,386 · App. 15/090,572 · Granted Jul 17, 2018

Fine and coarse parameter beam forming

Inventor: Sanjai Kohli (Manhattan Beach, CA)
Assignee: Facebook, Inc.
H04B7/0408H04B7/0617H04B15/00H04L45/02H04L45/22H04L45/46H04W16/28H04W24/02H04W24/04H04W24/10H04W28/18H04W40/02H04W40/12H04W40/14H04W40/16H04W40/34H04W52/42H04W56/00H04W72/0453H04W72/0473H04W72/085H04W72/1263H04L1/1867H04W72/00H04W84/22Y02D70/00Y02D70/12Y02D70/122Y02D70/164Y02D70/22Y02D70/34
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Quick Facts
Patent No.
US 10,027,386
App. No.
15/090,572
Granted
Jul 17, 2018
Kind
B2
Abstract

Methods, systems and apparatuses for selecting parameters of a beam are disclosed. One method includes selecting, by a network controller of a wireless network, coarse beam parameters of each of a plurality of antenna arrays of a first node or a second node of the wireless network based on one or more static parameters of the first node and the second node, selecting, by at least one of the first node or the second node of the wireless network, fine beam parameters of each of the plurality of antenna arrays of the first node or the second node based on perturbations to dynamic parameters of at least one wireless link between the first node and the second node, and forming at least one beam by at least one of the first node or the second node using the coarse beam parameters and the fine beam parameters.

Claims (30)

1. A method of selecting parameters of a beam comprising;

selecting coarse beam parameters of each of a plurality of antenna arrays of a first node or a second node of the wireless network based on one or more static parameters of the first node and the second node;

selecting, by at least one of the first node or the second node of the wireless network, fine beam parameters of each of the plurality of antenna arrays of the first node or the second node based on perturbations to dynamic parameters of at least one wireless link between the first node and the second node, comprising characterizing the at least one wireless link between the first node and the second node of the wireless network, comprising identifying a plurality of micro-routes between the first node and the second node, selecting a micro-route for each of the plurality of antenna arrays of at least one of the first node or the second node, yielding a plurality of selected micro-routes, selecting beam forming coefficients for each of the plurality of antenna arrays based on the selected micro-routes;

forming at least one beam by at least one of the first node or the second node using the coarse beam parameters and the fine beam parameters; and

communicating at least one stream between the first node and the second node through the selected micro-routes of the plurality of antenna arrays.

2. The method of claim 1 , wherein the one or more static parameters include at least physical locations of the first node and the second node.

3. The method of claim 1 , wherein selecting fine beam parameters is further based on the perturbations accounts for antenna imperfections of at least one of the first node or the second node.

4. The method of claim 1 , wherein a one of the first node and the second node includes a transmitting antenna array and another one of the first node and the second node includes a receiving antenna array, and wherein the selected micro-route links the transmitting antenna array and the receiving antenna array.

5. The method of claim 1 , wherein the first node transmits the at least one stream to the second node, and the selected beam forming coefficients facilitate formation of one or more beams of the first node directed according to the selected micro-routes.

6. The method of claim 1 , wherein the second node receives the at least one stream from the first node, and the selected beam forming coefficients facilitate formation of one or more beams of the second node directed according to the selected micro-routes.

7. The method of claim 1 , wherein the at least one stream includes a plurality of streams, and a stream of the plurality of streams of one of the plurality of antenna arrays is different than a stream of the plurality of streams of another one of the plurality of antenna arrays.

8. The method of claim 1 , wherein the at least one stream includes a single stream, and the single stream is communicated between the first node and the second node through the selected micro-routes by more than one array of the plurality of antenna arrays.

9. A wireless network comprising:

a first node;

a second node, wherein at least one wireless link is formed between the first node and the second node;

a network controller operative to select coarse beam parameters of each of a plurality of antenna arrays of the first node or the second node of the wireless network based on one or more static parameters of the first node and the second node; wherein

at least one of the first node or the second node of the wireless network is operative to select fine beam parameters of each of a plurality of antenna arrays of the first node or the second node based on perturbations to dynamic parameters of at least one wireless link between the first node and the second node, comprising the at least one of the first node or the second node operating to characterize the at least one wireless link between the first node and the second node of the wireless network, comprising identifying a plurality of micro-routes between the first node and the second node, select a micro-route for each of the plurality of antenna arrays of at least one of the first node or the second node, yielding a plurality of selected micro-routes, select beam forming coefficients for each of the plurality of antenna arrays based on the selected micro-routes; wherein

at least one beam by is formed by at least one of the first node or the second node using the coarse beam parameters and the fine beam parameters; and wherein

at least one stream is communicated between the first node and the second node through the selected micro-routes of the plurality of antenna arrays.

10. The wireless network of claim 9 , wherein the one or more static parameters include at least physical locations of the first node and the second node.

11. The wireless network of claim 9 , wherein selecting fine beam parameters is further based on the perturbations accounts for antenna imperfections of at least one of the first node or the second node.

12. The wireless network of claim 9 , wherein the first node transmits the at least one stream to the second node, and the selected beam forming coefficients facilitate formation of one or more beams of the first node directed according to the selected micro-routes.

13. The wireless network of claim 9 , wherein the second node receives the at least one stream from the first node, and the selected beam forming coefficients facilitate formation of one or more beams of the second node directed according to the selected micro-routes.

14. The wireless network of claim 9 , wherein the at least one stream includes a plurality of streams, and a stream of the plurality of streams of one of the plurality of antenna arrays is different than a stream of the plurality of streams of another one of the plurality of antenna arrays.

15. The wireless network of claim 9 , wherein the at least one stream includes a single stream, and the single stream is communicated between the first node and the second node through the plurality of micro-routes by more than one array of the plurality of antenna arrays.

16. A wireless network controller operative to:

select coarse beam parameters of each of a plurality of antenna arrays of a first node or a second node of the wireless network based on one or more static parameters of the first node and the second node, wherein at least one wireless link is formed between the first node and the second node; wherein

at least one of the first node or the second node of the wireless network is operative to select fine beam parameters of each of a plurality of antenna arrays of the first node or the second node based on perturbations to dynamic parameters of at least one wireless link between the first node and the second node, comprising the at least one of the first node or the second node operating to characterize the at least one wireless link between the first node and the second node of the wireless network, comprising identifying a plurality of micro-routes between the first node and the second node, select a micro-route for each of the plurality of antenna arrays of at least one of the first node or the second node, yielding a plurality of selected micro-routes, select beam forming coefficients for each of the plurality of antenna arrays based on the selected micro-routes; wherein

at least one beam by is formed by at least one of the first node or the second node using the coarse beam parameters and the fine beam parameters; and wherein

at least one stream is communicated between the first node and the second node through the selected micro-routes of the plurality of antenna arrays.

Assignments (2)
CHANGE OF NAME Recorded Dec 13, 2021
From: FACEBOOK, INC.
To: META PLATFORMS, INC.
Reel/Frame 058495/0763 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 22, 2016
From: KOHLI, SANJAI
To: FACEBOOK, INC.
Reel/Frame 038350/0098 →
Continuity (4)
Continuation 14878943 · Oct 8, 2015
Continuation 14214957 · Mar 16, 2014
Provisional Application 61789188 · Mar 15, 2013
Related Publication 20160226569A1 · Aug 4, 2016