The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 24, 2022

Filed:

Apr. 29, 2020
Applicant:

Cambium Networks Ltd, Ashburton, GB;

Inventors:

Antony Jamin, Ashburton, GB;

Antony Holmes, Ashburton, GB;

Assignee:

CAMBIUM NETWORKS LTD, Ashburton, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 72/08 (2009.01); H04W 28/02 (2009.01); H04W 76/15 (2018.01); H04W 76/30 (2018.01); H04W 76/11 (2018.01); H04W 84/18 (2009.01);
U.S. Cl.
CPC ...
H04W 28/0263 (2013.01); H04W 28/0268 (2013.01); H04W 76/11 (2018.02); H04W 76/15 (2018.02); H04W 76/30 (2018.02); H04W 84/18 (2013.01);
Abstract

In a point to multipoint wireless communications system comprising a master station and a plurality of slave stations operating according to a time division multiplex protocol, a noise and interference level is measured associated with each frequency channels at each slave station, in a predetermined timeslot of the time division multiplex protocol. A histogram is generated of the noise and interference level measurements for each slave station for each frequency channel. A noise and interference level estimate is generated for each frequency channel for each slave station as a predetermined percentile of the respective histogram, and a respective single combined noise and interference level estimate is generated for each frequency channel from the estimates. One of the frequency channels is selected for use in subsequent transmission of frames of the time division multiplex protocol on the basis of the respective single combined noise and interference level estimates.


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