Xirrus, Inc. Patent applications |
Patent application number | Title | Published |
20150215011 | MIMO ANTENNA SYSTEM - A multiple input, multiple output (“MIMO”) antenna system is provided for operation on a radio frequency (“RF”) module that may be used in a wireless access device. The MIMO antenna system includes a plurality of multi-band antenna elements connected to a radio in a MIMO configuration. The multi-band antenna elements and the radio are configured to operate on an RF module. A reflector is formed on the RF module to contain the plurality of multi-band antenna elements and to concentrate signal communication in a sector, the plurality of multi-band antenna elements oriented to provide a sector coverage pattern formed by beam patterns generated by each of the multi-band antenna elements. | 07-30-2015 |
20150180129 | SURFACE MOUNT ANTENNA CONTACTS - A method and system for connecting a vertical printed circuit board with a horizontal printed circuit board where a contact device is biased in a first position when not contacting a vertical printed circuit board and is biased in a second position when the vertical printed circuit is coupled to the horizontal printed circuit board. | 06-25-2015 |
20140301227 | WIRELESS ARRAY DEVICE AND SYSTEM FOR MANAGING WIRELESS ARRAYS HAVING MAGNETOMETERS - A wireless array for providing access to a network is provided. The wireless array includes at least two transceivers in signal communication with a client. A magnetometer of the wireless array provides orientation information relating to an orientation of the wireless array relative to a magnetic field. A controller of the wireless array is in signal communication with the transceivers and the magnetometer. The controller manages the communications exchanged via the transceivers and receives the orientation information provided by the magnetometer. | 10-09-2014 |
20140266944 | MIMO ANTENNA SYSTEM - A multiple input, multiple output (“MIMO”) antenna system is provided for operation on a radio frequency (“RF”) module that may be used in a wireless access device. The MIMO antenna system includes a plurality of multi-band antenna elements connected to a radio in a MIMO configuration. The multi-band antenna elements and the radio are configured to operate on a RF module. A reflector is formed on the RF module to contain the plurality of multi-band antenna elements and to concentrate signal communication in a sector, the plurality of multi-band antenna elements oriented to provide a sector coverage pattern formed by beam patterns generated by each of the multi-band antenna elements. | 09-18-2014 |
20140044005 | SYSTEM AND METHOD FOR CONDUCTING WIRELESS SITE SURVEYS USING WIRELESS NETWORK DESIGN CRITERIA - A system for conducting wireless site surveys of a wireless environment is provided. A wireless interface controller controls a wireless interface during a scan of a wireless frequency band. A user interface module receives a set of wireless network design criteria, and a measurement module obtains a set of wireless signal information based on a set of wireless signals received during the scan of the wireless frequency band. An analysis module compares the set of wireless signal information to the set of wireless network design criteria and automatically determines whether the set of wireless network design criteria is, at least in part, satisfied. The user interface module provides an indicator that indicates whether the set of wireless network design criteria is, at least in part, satisfied. | 02-13-2014 |
20130343210 | SYSTEM FOR ALLOCATING CHANNELS IN A MULTI-RADIO WIRELESS LAN ARRAY - A channel allocation system for allocating channels in a frequency band to a plurality of radios in close proximity so as to minimize co-channel interference. One method for allocating channels involves initially tuning each of the plurality of radios to the same one of the plurality of channels. All of the radios then receive signals from whatever sources and a signal score is determined for each radio. The radios are then tuned to another one of the plurality of channels. The steps of receiving a signal and determining a signal score for each radio are repeated for each of the remaining channels until all channels have been used. The signal scores are then tested against a table of mapping schemes to determine maximum isolation. | 12-26-2013 |
20130121328 | WIRELESS ACCESS POINT ARRAY - A system of at least one wireless access device in a local area network (LAN) having a plurality of transceivers. Each transceiver has a directional antenna positioned in a substantially circular array to communicate signals with a plurality of stations in a corresponding sector. Each sector defines a portion of a coverage area surrounding the wireless access device. The wireless access device has a network interface to a data network, and an array controller to control communication of data between the stations and the transceivers, and between the transceivers and the network interface. The array controller is configured to modify channel assignments so as to minimize channel interference dynamically. | 05-16-2013 |
20130089031 | ASSIST ENGINE FOR TRANSMIT AND RECEIVE FUNCTIONS IN A MODULAR WIRELESS NETWORK ACCESS DEVICE - A wireless network access device comprising a radio interface with a serial communication line, a switch, and M serial connections to M connectors for connecting up to M corresponding detachable radio modules. The radio interface forms up to M individually addressable radio communications paths. Each radio module includes a radio configured to communicate with client devices in a coverage area and a radio processor configured to manage at least one radio receiving buffer. The radio receiving buffers store receiver buffer identifiers to corresponding received data space. A processor manages communication between the client devices that communicate with the radio modules and a data network via the radio interface and a network interface when N 04-11-2013 | |
20130079027 | SYSTEM AND METHOD FOR DETERMINING THE LOCATION OF A STATION IN A WIRELESS ENVIRONMENT - A system for quantifying the shadow fading observed in a wireless environment having multiple wireless access points is also provided. A distance determination module is in signal communication with the wireless access points. The distance determination module determines a distance between a pair of the wireless access points based on location information that relates to the locations of the wireless access points at the wireless environment. A shadow fading determination module is also in signal communication with the wireless access points. The shadow fading determination module determines a shadow fading factor based on the distance between a pair of the wireless access points and based on RSS information received from one of the wireless access points in the pair of wireless access points. | 03-28-2013 |
20130039355 | RADIO MODULES IN A MODULAR WIRELESS NETWORK ACCESS DEVICE - A plurality of different radio modules is provided for a wireless network access device to provide a modular, configurable and performance scalable wireless network. The radio modules include a radio board having a size and shape with a common form factor for the wireless network access device. A radio board connector mates with any one of multiple connectors on the wireless network access device. The radio board connector includes an electrical interface that conforms to a predefined interface on the wireless network access device. The radio board includes a radio board processor that communicates with a wireless network access device controller as a single radio instance for the radio module. The radio board includes a radio chain to communicate radio signals with corresponding antennas. The radio chain, antennas, and radio board processor operate in accordance with one of a plurality of different radio module types. | 02-14-2013 |
20130039271 | MODULAR WIRELESS NETWORK ACCESS DEVICE - In view of the above, a wireless network access device is provided. In an example implementation, the wireless network access device includes a radio interface having a plurality of individually addressable radio paths for providing a connection to corresponding radio modules. Each radio module includes a radio configured to communicate with client devices in a corresponding coverage area. Each radio module is configured to operate independently of the other radio modules. A network interface is included to provide data network access. The wireless network access device includes a processor to manage communication between the client devices that communicate with the radio modules and a data network via the radio interface and the network interface when the wireless local area network device includes at least one connected radio module. | 02-14-2013 |
20130028181 | SYSTEM AND METHOD FOR MANAGING PARALLEL PROCESSING OF NETWORK PACKETS IN A WIRELESS ACCESS DEVICE - A system for managing parallel processing of network packets is also provided. A wireless access device that includes multiple transceivers and multiple processing units receives network packets. A media access controller determines which transceiver a received network packet is associated with. A tagging module determines whether the transceiver associated with the received network packet is bound to one of the processing units. In response to a determination that the transceiver is bound, a scheduler assigns the received packet to the processing unit the transceiver is bound to. In response to a determination that the transceiver is not bound, the tagging module binds the transceiver to a processing unit such that the processing unit processes network packets associated with the transceiver while the transceiver is bound to the processing unit, and the scheduler assigns the received network packet to the processing unit the transceiver is bound to. | 01-31-2013 |
20120302074 | SURFACE MOUNT ANTENNA CONTACTS - A method and system for connecting a vertical printed circuit board with a horizontal printed circuit board where a contact device is biased in a first position when not contacting a vertical printed circuit board and is biased in a second position when the vertical printed circuit is coupled to the horizontal printed circuit board. | 11-29-2012 |
20120300682 | MIMO Antenna System Having Beamforming Networks - An antenna system connected to a radio in a Multiple-Input, Multiple-Output (MIMO) arrangement and configured to communicate in an area of coverage. The antenna system includes a plurality of antenna elements. The plurality of antenna elements further includes a first plurality of antenna elements configured to communicate on a first frequency band and a second plurality of antenna elements configured to communicate on a second frequency band. A plurality of MIMO-configured radio ports on the radio communicates radio signals to and from the antenna elements. A beam-forming network is connected to at least two of the first plurality of antenna elements and to at least two radio ports. The beam-forming network is configured to form space diversity beams in the area of coverage. | 11-29-2012 |
20120299791 | WIRELESS LOCAL AREA NETWORK ANTENNA ARRAY - A wireless local area network (“WLAN”) antenna array (“WLANAA”) is disclosed. The WLANAA may include a circular housing having a plurality of radial sectors and a plurality of primary antenna elements. Each individual primary antenna element of the plurality of primary antenna elements may be positioned within an individual radial sector of the plurality of radial sectors. | 11-29-2012 |
20120293386 | WIRELESS LOCAL AREA NETWORK ANTENNA ARRAY - A wireless local area network (“WLAN”) antenna array (“WLANAA”) is disclosed. The WLANAA may include a circular housing having a plurality of radial sectors and a plurality of primary antenna elements. Each individual primary antenna element of the plurality of primary antenna elements may be positioned within an individual radial sector of the plurality of radial sectors. | 11-22-2012 |
20120276918 | METHOD FOR DETERMINING A GEOSPATIAL LOCATION OF A CLIENT IN SIGNAL COMMUNICATION WITH A WIRELESS ARRAY - A method for determining a geospatial location of a client in signal communication with a wireless array is provided. A magnetometer is used to provide geospatial orientation information relating to an orientation of a wireless array relative to the surface of the Earth. The geospatial orientation of the wireless array is determined based on the geospatial orientation information provided by the magnetometer. A transceiver in the wireless array that the client is in signal communication with is identified. The geospatial orientation of the transceiver that the client is in signal communication with is identified based on the geospatial orientation of the wireless array and the position of the transceiver in the wireless array. A geospatial direction of the client relative to the wireless array is calculated based on the geospatial orientation of the transceiver the client is in signal communication with and is used to identify a geospatial sector in which the client is located. | 11-01-2012 |
20120276848 | WIRELESS ARRAY DEVICE AND SYSTEM FOR MANAGING WIRELESS ARRAYS HAVING MAGNETOMETERS - A wireless array for providing access to a network is provided. The wireless array includes at least two transceivers in signal communication with a client. A magnetometer of the wireless array provides orientation information relating to an orientation of the wireless array relative to a magnetic field. A controller of the wireless array is in signal communication with the transceivers and the magnetometer. The controller manages the communications exchanged via the transceivers and receives the orientation information provided by the magnetometer. | 11-01-2012 |
20100119002 | MIMO ANTENNA SYSTEM - A wireless local area network (“WLAN”) antenna array (“WLANAA”) includes a circular housing having a plurality of radial sectors and a plurality of primary antenna elements configured as Multiple-Input, Multiple-Output (MIMO) antennas. Each primary antenna element, which includes multiple antennas connected to a single radio, being positioned within a radial sector of the plurality of radial sectors. | 05-13-2010 |
20100039308 | System and method for detecting radar signals in wireless communications access points - A system and method for providing radar signal detection in a communications system. In an example method, a raw energy detect signal is received and analyzed to determine if the raw energy detect signal contains a valid radar pulse. A bit is stored in a bit sequence storage device such that the bit has a first value if a valid radar pulse was detected or a second value indicating that a valid pulse was not detected. A set of bits in the bit sequence storage device are accessed to determine if a plurality of waveform-indicating locations in the bit sequence storage device includes valid pulses. In another aspect of the invention, a system detects a radar signal in a communications device. The system includes a pulse detector to detect pulses in a raw energy signal having a pulse width within a predetermined minimum and maximum pulse width. The system includes a frequency detector having a bit sequence storage device to store the bits output by the pulse detector. The frequency detector detects whether the detected pulses conform to a waveform type by determining if the bits are stored in the bit sequence storage device in waveform-indicating locations. | 02-18-2010 |
20090059875 | NODE FAULT IDENTIFICATION IN WIRELESS LAN ACCESS POINTS - A wireless access point array having a plurality of access point radios, a monitor radio and an array controller. The array controller includes processes, methods and functions for verifying the operation of the access point radios. The access point radios may be verified by attempting to establish a data connection between the monitor radio and each of the access point radios. | 03-05-2009 |