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Cambium Networks Limited patents


Recent patent applications related to Cambium Networks Limited. Cambium Networks Limited is listed as an Agent/Assignee. Note: Cambium Networks Limited may have other listings under different names/spellings. We're not affiliated with Cambium Networks Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Cambium Networks Limited-related inventors


Radio frequency connection arrangement

A radio frequency transmission arrangement comprises a ground plate having an aperture comprising a slot with an elongate cross-section and substantially parallel sides, and a first and second transmission line. The thickness of the ground plate is greater than a width of the slot. ... Cambium Networks Limited

Encryption for a synchronous wireless link

Encryption is provided for a wireless network comprising a first wireless station and at least a second wireless station. First messages are exchanged between the first wireless station and the second wireless station over a first synchronous wireless link to establish a shared secret and a first session key, the first messages not being encrypted. ... Cambium Networks Limited

Antenna array assembly

An antenna array assembly comprises at least a first and second antenna element, each comprising at least one radiator element in a substantially parallel relationship to a respective ground plate, and an isolator bar disposed between the respective ground plates of the first and second antenna elements, the isolator bar being elongate having a cross-section comprising a t shape, the cross-section being across a long axis. The isolator bar comprises a support bar in contact with the ground plates forming the stem of the t shape, and a cross piece forming the top of the t shape. ... Cambium Networks Limited

Apparatus and method for reducing interference in a wireless communication system

In a communication system, an access point in communication with one or more stations identifies a first subset of wireless stations from the set of wireless stations. The first subset of wireless stations is identified based on rssi values for radio frequency signals received from each of the stations exceeding an rssi threshold. ... Cambium Networks Limited

Method and apparatus for beam pattern stabilisation

Methods and apparatuses for beam pattern stabilisation are provided. A method may include processing an output of a gyroscopic sensor to generate a plurality of first phase corrections for a first time interval and a plurality of second phase corrections for a second time interval. ... Cambium Networks Limited

Method and apparatus for channel sounding for a mu-mimo wireless communication network

In a multi user multiple input multiple output mu-mimo wireless communication network comprising an access point and subscriber modules, a method of channel sounding comprises forming a respective mu-mimo beam from the access point to each subscriber module of a first sounding group of subscriber modules by applying a beamforming weightset to a weighting matrix, the beamforming weightset determined based on previously determined channel estimates. Each mu-mimo beam is used to transmit a respective sounding symbol, each respective sounding symbol being different from each other sounding symbol of the first sounding group. ... Cambium Networks Limited

Aperture coupled patch antenna

An aperture coupled patch antenna element comprises a ground plate having an aperture passing through the ground plate from a first side to a second opposite side. The aperture comprises a slot having an elongate cross-section, the cross-section having substantially parallel sides extending along the length of the cross-section. ... Cambium Networks Limited

Antenna array assembly

An antenna array assembly comprises a ground plate, an array of radiator elements disposed in a spaced relationship with a first face of the ground plate between first and second substantially parallel conductive walls projecting from the first face of the ground plate, and a first and second conductive plate. Each of the first and second conductive plates is electrically isolated from the ground plate, and each is disposed in an upstanding relationship to the first face of the ground plate in a substantially parallel relationship with the first and second conductive walls. ... Cambium Networks Limited

Apparatus and method for filtering radio frequency signals of transceiver integrated circuits

Devices and methods are disclosed for generating, filtering, and amplifying signals that are sent and received using socs. These improved methods and devices advantageously provide filtering of composite rf signals such that the rf signals can be transmitted with an improved snr. ... Cambium Networks Limited

Antenna array assembly

An antenna array assembly comprises at least a first and second antenna element, each comprising at least one radiator element in a substantially parallel relationship to a respective ground plate, and an isolator bar disposed between the respective ground plates of the first and second antenna elements, the isolator bar being elongate having a cross-section comprising a t shape, the cross-section being across a long axis. The isolator bar comprises a support bar in contact with the ground plates forming the stem of the t shape, and a cross piece forming the top of the t shape. ... Cambium Networks Limited

Method and apparatus for controlling equivalent isotropic radiated power

An access point of a wireless communication network forms beams by applying a weightset for a beamforming weights matrix to signal streams. The equivalent isotropic radiated power (eirp) that is emitted from an array of antenna elements at the access point is controlled by calibrating the transmission phase and gain of a respective transmit chain for each antenna element, providing a polar radiation model for an antenna element of the array, and determining a weightset for the weighting matrix subject to a constraint that a maximum total eirp for the beams in combination in any azimuth direction is maintained within a predetermined eirp limit, based at least on a spatial separation of the antenna elements, the polar radiation model and the calibrated transmission phase and gain of each respective transmit chain.. ... Cambium Networks Limited








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