Distributed seamless roaming in wireless networks
Granted: December 25, 2018
Patent Number:
10165477
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…
Multi-sector antennas
Granted: December 25, 2018
Patent Number:
10164332
Multi-directional antenna assemblies including a plurality of individual antenna sections arranged in-line with a long axis, forming a linear assembly. An antenna assembly may include a radome over the linear assembly. A linear assembly may include three or more antenna sections, each with a trough-like reflector formed by two parallel walls, and may have corrugations at the outer edges to reduce noise. An array of radiators may be positioned at the base of each antenna section. The…
Methods and apparatuses for graphically indicating station efficiency and pseudo-dynamic error vector magnitude information for a network of wireless stations
Granted: November 27, 2018
Patent Number:
10142989
Methods and apparatuses providing a visual metric of the efficiency of a network of devices communicating through a wireless access point (AP). These apparatuses and methods may also determine and display pseudo-dynamic error vector magnitude (EVM) information for a network of wireless stations, including displaying a pseudo-dynamic constellation diagrams using EVM information. These methods and apparatuses may transmit a plurality of sounding packets from each of one or more radio…
Compact public address access point apparatuses
Granted: November 20, 2018
Patent Number:
10136233
Apparatuses that operate as both a public address speaker and a wireless access point (AP) for mounting to a ceiling or wall. The compact public address access points described herein may include an AP housing, enclosing a radio (e.g., a 3×3 MIMO radio) and antenna, that is coupled to a speaker assembly including a speaker, a conical acoustic reflector positioned between a front of the speaker and the housing of the AP, and an annular region comprising a concave inner wall facing the…
Synchronized multiple-radio antenna systems and methods
Granted: September 25, 2018
Patent Number:
10084238
Multi-radio antenna apparatuses and stations for wireless networks including multiple radios coupled to a single transmit/receive antenna, in which the antenna is highly synchronized by an external (e.g., GPS) signal. These multi-radio antenna systems may provide highly resilient links. Synchronization may allow these apparatuses to organically scale the transmission throughput while preventing data loss. The single transmit/receive antenna may have a single dish or a compound (e.g., a…
Video camera
Granted: September 25, 2018
Patent Number:
D829262
Adjacent channel optimized receiver
Granted: September 18, 2018
Patent Number:
10080254
The present invention offers significant improvements in the performance of a radio receiver operating in an environment with high desired band interference. The present invention comprises a high selectivity RF circuit that is located between the antenna and the radio receiver, and utilizes superheterodyne technology to filter adjacent channel interference in the desired band frequency spectrum. This type of interference is problematic for IEEE 802.11 radio receivers that are…
Wireless radio device alignment tools and methods
Granted: September 4, 2018
Patent Number:
10069580
Wireless radio device alignment tools and methods. Described herein are methods for point-to-point alignment of wireless radio devices and alignment tools to assist in aligning wireless radio devices. These alignment tools may automatically or manually receive location information and may use a local compass function to determine a rough or initial alignment and additional tools to provide further (fine) alignment based on calculated and actual signal strength between the two devices…
Resource allocation in a wireless communication system
Granted: August 21, 2018
Patent Number:
10057021
Embodiments of methods and apparatuses for resource allocation in a wireless communication system are disclosed. In one embodiment, a method of wireless communication comprises obtaining data to be transmitted over a plurality of sub-channels in a wireless communication environment, determining channel conditions associated with the plurality of sub-channels, scheduling the data to be transmitted according to the channel conditions associated with the plurality of sub-channels to form…
Microwave system
Granted: July 17, 2018
Patent Number:
10027034
A microwave system comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus directed towards…
Wireless network extender
Granted: June 26, 2018
Patent Number:
D821373
Method and system for improving wireless link efficiency
Granted: May 29, 2018
Patent Number:
9985749
A transmission system can improve transmission efficiency of a wireless link using multi-TID aggregate frames. The system can receive a block acknowledgement from a destination device, in response to sending a first multi-TID aggregate frame to the destination device via a wireless link. The system can compute a packet error rate for a respective TID based at least on the block acknowledgement. If the system determines that the packet error rate for the respective TID is greater than a…
Compact networking device for remote stations
Granted: May 22, 2018
Patent Number:
9980017
A tower-mounted networking device facilitates deploying a remote station without having to build a custom station aside a radio tower. The networking device's chassis comprises a mounting bracket, which includes a curved contour for mounting the networking device on the radio tower. Also, the chassis can be resistant to weather intrusion, by not including a vent, to allow the networking device to be installed outdoors. The networking device can include a first power port coupled to an…
Radio system for long-range high-speed wireless communication
Granted: May 15, 2018
Patent Number:
9972912
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…
Shrouded microwave antenna reflector
Granted: May 1, 2018
Patent Number:
D816645
Compact radio frequency antenna apparatuses
Granted: April 10, 2018
Patent Number:
9941570
Antenna assemblies are described herein. In particular, described herein are multi-focal-point antenna devices and compact radio frequency (RF) antenna devices. Any of these assemblies may include a primary feed that includes a single patterned emitting surface from which multiple different beams of RF signals are emitted corresponding to different antenna input feeds each communicating with the patterned antenna emitting surface. The antenna assembly is therefore capable of emitting…
Adaptive synchronous protocol for minimizing latency in TDD systems
Granted: April 3, 2018
Patent Number:
9935764
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…
Microwave system
Granted: April 3, 2018
Patent Number:
9935377
A microwave system and method comprising a center fed parabolic reflector; a radio transceiver, said transceiver disposed on a circuit board and coupled to a radiator, said radiator disposed on the circuit board and extending orthogonally from a surface of the circuit board. Embodiments also include directors on the circuit board and a sub-reflector comprising a thin plate disposed on a weather proof cover and said sub-reflector having a substantially concave surface with a focus…
Antenna assembly
Granted: March 6, 2018
Patent Number:
9912034
Antenna assemblies are described herein. Any of these assemblies may include a primary feed that includes a single patterned emitting surface from which multiple different beams of RF signals are emitted corresponding to different antenna input feeds each communicating with the patterned antenna emitting surface. The antenna assembly may include a primary reflector, a secondary reflector, and a primary feed that is feed by multiple antenna input feeds so that different regions of the…
Array antennas having a plurality of directional beams
Granted: March 6, 2018
Patent Number:
9912053
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…
