Method and apparatus for distributed control of an interfacing-device network
Granted: December 27, 2016
Patent Number:
9531618
A local controller maintains a local database which stores information associated with a set of interfacing devices of a local-area network. The local database can include a database mirror for a remote database, of a remote controller, that stores information for a set of provisioned interfacing devices. When a remote controller hosting the remote database is offline, the local controller can maintain primary control of interfacing devices within the local area network. However, when…
Radio system for long-range high-speed wireless communication
Granted: November 15, 2016
Patent Number:
9496620
Devices and systems, and methods of using them, for point-to-point transmission/communication of high bandwidth signals. Radio devices and systems may include a pair of reflectors (e.g., parabolic reflectors) that are adjacent to each other and configured so that one of the reflectors is dedicated for sending/transmitting information, and the adjacent reflector is dedicated for receiving information. Both reflectors may be in a fixed configuration relative to each other so that they are…
Dual receiver/transmitter radio devices with choke
Granted: November 8, 2016
Patent Number:
9490533
Wireless radio apparatuses for point-to-point or point-to-multipoint transmission/communication of high bandwidth signals having dual receivers and transmitters. Radio devices and systems may include a pair of reflectors separated by an isolation choke boundary. The device may be configured to operate in any appropriate band (e.g., a 5 GHz band, a 24 GHz band, etc.) and may simultaneously transmit and receive with minimal crosstalk. The isolation choke boundary may have ridges that…
Method and apparatus for configuring and controlling interfacing devices
Granted: August 23, 2016
Patent Number:
9425978
A device-controlling system configures, monitors, and controls one or more interfacing devices, such that an interfacing device can obtain and disseminate sensor data from one or more attached physical devices that include sensors for measuring physical attributes. During operation, the system can configure an interfacing device by establishing a network connection with an interfacing device, and determining one or more rules for the interfacing device. A rule can indicate an action…
Agile duplexing wireless radio devices
Granted: July 19, 2016
Patent Number:
9397820
Radio devices having separate transmission and reception reflectors for transmitting and receiving wireless signals that detect interference in a transmission channel and may be automatically or manually switch duplexing schemes when reflections, radar or other interference is detected. These devices typically include both a transmission antenna reflector and a receiving transmitter reflector, which may be connected or formed of a single housing, that are operatively coupled to radio…
Method and system for improving wireless link efficiency
Granted: July 5, 2016
Patent Number:
9386129
One embodiment of the present invention provides a system for improving transmission efficiency of a wireless link. During operation, the system receives a packet for transmission, where in the packet includes an original sequence number. The system then modifies the packet by including a virtual sequence number in a header of the packet and including the original sequence number in a payload of the modified packet. The system further aggregates a number of modified packets into an…
Radio system for high-speed wireless communication
Granted: June 21, 2016
Patent Number:
9373885
Indoor/outdoor broadband wireless combined radio/antennas configured to include an integrated adjustable mount allowing mounting to a pole or stand and adjustment of the angle of the device (e.g., the altitude) by a lockable ball joint. The device may include a compact array antenna having a high gain configured to operate in, for example, the 5.15 to 5.85 GHz band and/or the 2.40-2.48 GHz band. The antenna emitters may be arranged in a separate plane from a plane containing the antenna…
Methods of operating an access point using a plurality of directional beams
Granted: June 14, 2016
Patent Number:
9368870
Multi-directional antenna apparatuses, which may include phased array antennas and/or arrays of multiple antennas, and methods for operating these directional antennas. In particular, described herein are apparatuses configured to operate as an access point (AP) for communicating with one or more station devices by assigning a particular directional beam to each access point, and communicating with each station device using the assigned directional beam at least part of the time. Methods…
Power receptacle wireless access point devices for networked living and work spaces
Granted: April 26, 2016
Patent Number:
9325516
Described herein are power receptacle wireless access point (AP) devices that may be used as part of a networked (smart) living and work space. These power receptacle wireless AP devices may be wall-mounted and/or retrofitted over existing electrical outlets or light switches, for providing wireless access to a room or region of a room. The power receptacle wireless AP device may connect via power line communication to a data connection.
Network routing system
Granted: April 26, 2016
Patent Number:
9325570
One embodiment of the present invention provides a switching system. During operation, the switching system maintains a control-plane operating system and a web server which is in communication with the control-plane operating system. The system then sends content by the web server to a browser without being solicited by the browser, and allows a user to configure the switching system via a command line interface within the browser.
Stacked array antennas for high-speed wireless communication
Granted: March 22, 2016
Patent Number:
9293817
Array antennas for wireless transmission having an array of emitters/receivers that are compactly arranged above an antenna feed and ground plate. These high gain devices may be configured to operate in any appropriate band, such as the 5.15 to 5.85 GHz band and/or the 2.40-2.48 GHz band. The antenna emitters are arranged in a separate plane (or planes) above an antenna feed connecting the emitting elements to the radio circuitry. The antenna feed is positioned between the emitters and a…
Method and system for improving wireless link efficiency
Granted: February 23, 2016
Patent Number:
9270792
One embodiment of the present invention provides a system for improving transmission efficiency of a wireless link. During operation, the system receives a packet for transmission, where in the packet includes an original sequence number. The system then modifies the packet by including a virtual sequence number in a header of the packet and including the original sequence number in a payload of the modified packet. The system further aggregates a number of modified packets into an…
Distributed seamless roaming in wireless networks
Granted: February 9, 2016
Patent Number:
9258753
One embodiment of the present invention provides a system for configuring an access point in a wireless network. During operation, the access point discovers one or more existing access points associated with the wireless network. The access point then obtains a set of configuration information from one existing access point, and synchronizes a local timestamp counter to a selected existing access point, thereby allowing the access point to be configured without using a centralized…
Adaptive synchronous protocol for minimizing latency in TDD systems
Granted: January 26, 2016
Patent Number:
9247512
Systems and methods are presented that offer significant improvements in the performance of time division duplex (TDD) systems by utilizing an adaptive synchronous protocol. Conventional TDD systems are limited because data is transmitted during discreet and limited intervals of time, and because TDD transceivers may not simultaneously transmit and receive for reasons of insufficiently separated frequencies and limited receiver selectivity. Typically, TDD systems have significant latency…
Wireless network communication system and method
Granted: January 19, 2016
Patent Number:
9241345
A communication system comprising one or more wireless stations programmed to await for an authorizing signal to initiate wireless communications with a network controller or access point. The network controller maintains identification information in different queues, said queues based upon the anticipated wireless station's activity. The wireless station identification information is moved between the different queues in response to this predicted activity. Between polling, each mobile…
Antenna assembly for long-range high-speed wireless communications
Granted: December 29, 2015
Patent Number:
9225071
Various embodiments of antenna assemblies are disclosed herein. In one embodiment, the antenna assembly includes a reflector comprising a center opening, a feed-antenna subassembly situated in front of the reflector, a rear housing situated behind the reflector, and a pole-mounting bracket comprising a base plate situated between the reflector and the rear housing. The feed-antenna subassembly comprises a feed tube that houses at least one of: a transmitter circuit and a receiver…
Wireless transmission station
Granted: December 8, 2015
Patent Number:
D744986
Radio system
Granted: December 8, 2015
Patent Number:
D744985
Method and apparatus for maintaining network connections between devices
Granted: December 1, 2015
Patent Number:
9201815
A data-forwarding system establishes a network connection to a plurality of network devices to facilitate an interfacing device communicating with a device-controlling system, a peer interfacing device, or other computing devices. During operation, when the system receives data from a network device, the system determines a peer network device that is to receive the data, such as a device that is subscribed to receive the data. The system can forward the sensor data to the peer network…
Wireless radio system optimization by persistent spectrum analysis
Granted: November 17, 2015
Patent Number:
9191037
Apparatuses and methods for simultaneously operating as a wireless radio and monitoring the local frequency spectrum. For example, described herein are wireless radio devices that use a secondary receiver to monitor frequencies within the operating band and prevent or avoid interferers, including in particular half-IF interferers. The systems, devices, and methods described herein may adjust the intermediate frequency in a superheterodyne receiver to select an intermediate frequency that…
