Patents Assigned to Aruba Networks
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Patent number: 9590916Abstract: The present disclosure discloses a method and network device for dynamically prioritizing user connections on network. The disclosed system identifies a priority class associated with a client device prior to an initial connection from the client device to a network, and reserves access to a network resource for the client device based on the priority class prior to the initial connection. Specifically, the system evaluates a total capacity of the network resource and an anticipated usage of the network resource by the client device associated with the priority level. Then, the system will reject requests for accessing the network resource received from other client devices prior to the client device associated with the priority level accesses the network resource.Type: GrantFiled: September 4, 2013Date of Patent: March 7, 2017Assignee: Aruba Networks, Inc.Inventors: Kiran Ashokan, Arun Kumar R.
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Patent number: 9588850Abstract: A system is described that includes a first network controller and a second network controller. The first controller operates as a master controller and the second controller operates as a standby controller for a set of access points. Using a set of VRRP advertisements between the first and second controllers, the second controller may (1) determine that the first controller has failed independent of any determination by the access points and (2) send a failover request to the access points. The failover request may cause the access points to use previously established tunnels between the second controller and each of the access points. By transmitting a failover request message from the second controller to the access points upon the detection by the second controller that the first controller has failed and independent of any determination by the access points, the system reduces network access downtime for the access points.Type: GrantFiled: October 30, 2014Date of Patent: March 7, 2017Assignee: Aruba Networks, Inc.Inventors: Srinivas Killadi, Prakash Bhangavanth Shet
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Patent number: 9591588Abstract: Examples relate to determining access point power output. In one example, a computing device may: identify, for a particular access point, a plurality of neighboring access points; identify, for each neighboring access point, a pathloss value that indicates a difference in a transmit power of the neighboring access point and a received signal strength observed by the particular access point; identify, from the neighboring access points, at least one adjacent access point, each adjacent access point having a pathloss value that is less than a pathloss threshold; generate a representative pathloss using the pathloss values of each adjacent access point; determine a target power level for the representative pathloss; and provide at least one of the neighboring access points with instructions that cause the at least one neighboring access point to adjust a power output level of the at least one neighboring access point.Type: GrantFiled: June 2, 2016Date of Patent: March 7, 2017Assignee: Aruba Networks, Inc.Inventor: Jiwoong Lee
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Patent number: 9591570Abstract: Described herein are systems, methods and computer program products for controlling operation of wireless beacons, such as Bluetooth Low Energy beacons. Multiple beacons may be controlled centrally or may work together in a cooperative fashion such that related advertisement signals are transmitted by each beacon in a cooperative fashion to allow, for example, long-term indoor tracking of mobile devices in standby, locked, or sleep modes or with applications in background or non-execution states.Type: GrantFiled: April 7, 2015Date of Patent: March 7, 2017Assignee: Aruba Networks, Inc.Inventors: Kiyo Kubo, Nicholas Farina
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Patent number: 9585143Abstract: System and methods are provided for dynamically assigning wireless channels to priority groups based on characteristics of the channels, the environment in which the channels will be used, regulatory requirements, and/or capabilities of client devices. Thereafter, channels may be intelligently assigned to access points to achieve one or more goals. For example, wireless channels may be assigned to access points to ensure balanced coverage throughout the network system for client devices of each type/capability, to minimize effects of wireless interference in the network system, to increase fault tolerance in the network system, and/or to generally improve the coverage and quality of connections in the network system.Type: GrantFiled: March 31, 2016Date of Patent: February 28, 2017Assignee: Aruba Networks, Inc.Inventors: Hin Man Tang, Subbu Ponnuswamy, Jeng Yuh Chang
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Patent number: 9584471Abstract: Described herein are systems, devices, techniques and products for managing the dynamic assignment of media access control (MAC) addresses to wireless network devices, such as by identifying a dynamically assigned MAC address before, after, or during a wireless association process and communicating the dynamically assigned MAC address to a wireless network device. Also disclosed are systems, devices, techniques and products for preventing a denial of service attack on a wireless access point's association table, such as by requiring devices that associate with a wireless access point to respond to a query from the wireless access point shortly after association.Type: GrantFiled: July 6, 2015Date of Patent: February 28, 2017Assignee: Aruba Networks, Inc.Inventors: Gopalakrishna Raman, Sachin Ganu, Daniel Harkins, Mohd Siraj
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Patent number: 9577727Abstract: A non-transitory computer readable medium including instructions which, when executed by one or more hardware processors, causes performance of operations. The operations include: obtaining a first pathloss value for a first data transmitted between a first device and a second device; receiving, at a first component of the first device, a second data to be transmitted to the second device; based at least on the first pathloss value: selecting a first subset of the second data for transmission from the first component to a second component of the first device, where the second component is configured for causing transmission of the first subset of the second data to the second device; transmitting, during a first period of time from the first component to the second component, the first subset of the second data.Type: GrantFiled: April 25, 2014Date of Patent: February 21, 2017Assignee: Aruba Networks, Inc.Inventors: Gautam Bhanage, Abhijeet Bhorkar
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Patent number: 9578003Abstract: The present disclosure discloses a method and a system for determining whether to use a local authentication server. Specifically, a first network device executing a first authentication server receives a request for authentication from a client device. The first network device determines whether the client device was previously successfully authenticated by a second authentication server executing on a second network device within a particular period of time. If so, the first network device attempts to authenticate the client device using the first authentication server. Otherwise, the first network device declines the request for authentication from the client device.Type: GrantFiled: July 30, 2014Date of Patent: February 21, 2017Assignee: Aruba Networks, Inc.Inventors: Tilak Adhya, Sandeep Unnimadhavan, Shanta Patil, Santashil PalChaudhuri
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Patent number: 9578487Abstract: A method includes determining a subset, of a set of access points, that a client device is likely to roam to from a first access point in the set of access points; transmitting to each of the subset of access points, without transmitting to a second access point in the set of access points that is not included in the subset, information associated with the client device; wherein the information associated with the client device is used by the client device or by the third access point during (a) an association process for the client device associating with the third access point or (b) an authentication process for the authentication of the client device by the third access point.Type: GrantFiled: March 11, 2014Date of Patent: February 21, 2017Assignee: Aruba Networks, Inc.Inventors: Sachin Ganu, Juei Cheng Lo, Rajini Balay, Partha Narasimhan
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Patent number: 9577796Abstract: According to one embodiment of the invention, a non-transitory computer readable medium for configuring a noise floor of a network device based on the detection of a non-Wi-Fi signal is described. One embodiment of the non-transitory computer readable medium comprises instructions that detect a non-Wi-Fi signal, determine a noise floor based on at least one attribute of the non-Wi-Fi signal and configure the noise floor of the network device such that the network device receives signals with a signal strength above the noise floor value.Type: GrantFiled: January 24, 2014Date of Patent: February 21, 2017Assignee: Aruba Networks, Inc.Inventor: Subburajan Ponnuswamy
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Patent number: 9571249Abstract: The present disclosure discloses a system and method for dynamic control of channel sounding for transmit beamforming. Generally, sounding frames are periodically transmitted by a network device to a particular device at a first sounding interval. First feedback information is received from the particular device. The first feedback information corresponds to the sounding frames transmitted at the first sounding interval. Based on one or more current conditions included in the feedback information, a second sounding interval is selected to transmit the sounding frames to the particular device. The sounding frames are periodically transmitted to the particular device at the second sounding interval. Second feedback information is received from the particular device. The second feedback information corresponds to the sounding frames transmitted at the second sounding interval.Type: GrantFiled: July 29, 2014Date of Patent: February 14, 2017Assignee: Aruba Networks, Inc.Inventors: Gautam Bhanage, Manoj Gupta
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Patent number: 9571404Abstract: According to one embodiment, a system is described that comprises a network device adapted to receive a media stream including a plurality of network packets. The network device of the system processes the media stream, targeted for a client device communicatively coupled to the network device, by performing a number of operations. A first operation comprises partitioning the plurality of network packets into a plurality of subsets, each subset in the plurality of subsets corresponding to a media frame in a plurality of frames. Next, a priority level is determined for each media frame in the plurality of media frames, where the priority level for each media frame is assigned to each of the one or more network packets in the frame. Thereafter, network packets are transmitted or dropped based at least on the priority level associated with each network packet in the plurality of network packets.Type: GrantFiled: January 30, 2014Date of Patent: February 14, 2017Assignee: Aruba Networks, Inc.Inventors: Richard A. Howes, William M. LeBlanc
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Patent number: 9565627Abstract: The present disclosure discloses a distributed radio management system that is capable of dynamically tuning a radio antenna to a particular radio frequency channel and/or radio frequency band. The disclosed network device includes a transceiver, an antenna, and a component on a wireless signal path between the transceiver and the antenna. The component includes functionality to dynamically switch between processing signals corresponding to a first radio frequency band and processing signals corresponding to a second radio frequency band. Moreover, the component also may include functionality to dynamically switch between processing signals and refraining from processing wireless signals that are received by the component.Type: GrantFiled: April 28, 2014Date of Patent: February 7, 2017Assignee: Aruba Networks, Inc.Inventors: Muthukumar Subramanian, Prakash Guda, Kiran Ashokan, Venkatesh Kannan, Jie Jiang
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Patent number: 9553906Abstract: A method includes: while streaming video frames on a network toward a client device, detecting a loss of connectivity between the network and the client device; responsive to detecting the loss of the connectivity between the network and the client device, ceasing the streaming of the video frames toward the client device; subsequent to detecting the loss of connectivity, determining that the connectivity between the network and the client device has been re-established; responsive to determining that the connectivity between the network and the client device has been re-established, resuming the streaming of the video frames on the network toward the client device by transmitting an Instantaneous Decoder Refresh (IDR) frame on the network toward the client device without sending one or more frames corresponding to images chronologically prior to an image corresponding to the IDR frame.Type: GrantFiled: February 27, 2013Date of Patent: January 24, 2017Assignee: Aruba Networks, Inc.Inventors: Richard Howes, William Monte LeBlanc
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Patent number: 9553650Abstract: Disclosed herein is a system, apparatus, and method for using an antenna system comprising individually configurable antenna circuitries in a wireless network device to simulate the standard MU-MIMO transmissions as specified in the IEEE 802.11ac standard with antenna beamforming. The individually configurable antenna circuitries can be configured to transmit radio frequency (RF) signals with specific radiation patterns including directional beam patterns. Client devices may be grouped and antenna circuitries may be configured in such a way as to minimize inter-user interference. Frequent sounding-channel state feedback cycles and associated overhead are obviated with antenna beamforming, and no change to standard-compliant client devices is necessary. A better overall performance compared to MU-MIMO based on DSP-based beamforming as specified in the IEEE 802.11ac standard is expected.Type: GrantFiled: April 18, 2014Date of Patent: January 24, 2017Assignee: Aruba Networks, Inc.Inventor: Subburajan Ponnuswamy
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Patent number: 9549332Abstract: Methods of operating devices on a wireless network as access points (AP) or spectrum monitors (SM). An adaptive radio management (ARM) process operating on the digital network senses network conditions based on data from APs and SMs on the network, and in response to conditions changes devices from AP operation to SM operation, and from SM operation back to AP operation. A method for providing wideband spectrum analysis functions on a radio operating as an AP on a channel proving client connectivity services. A method for scanning off-channel for shorter durations between transmissions to collect spectral data and a method for explicitly quieting IEEE 802.11 transmissions on a channel to collect spectral data.Type: GrantFiled: November 10, 2014Date of Patent: January 17, 2017Assignee: Aruba Networks, Inc.Inventor: Subburajan Ponnuswamy
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Publication number: 20170013448Abstract: Described herein are systems, devices, techniques and products for managing the dynamic assignment of media access control (MAC) addresses to wireless network devices, such as by identifying a dynamically assigned MAC address before, after, or during a wireless association process and communicating the dynamically assigned MAC address to a wireless network device. Also disclosed are systems, devices, techniques and products for preventing a denial of service attack on a wireless access point's association table, such as by requiring devices that associate with a wireless access point to respond to a query from the wireless access point shortly after association.Type: ApplicationFiled: July 6, 2015Publication date: January 12, 2017Applicant: Aruba Networks, Inc.Inventors: Gopalakrishna RAMAN, Sachin GANU, Daniel HARKINS, Mohd SIRAJ
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Publication number: 20170013449Abstract: Described herein are systems, devices, techniques and products for managing the dynamic assignment of media access control (MAC) addresses to wireless network devices, such as by identifying a dynamically assigned MAC address before, after, or during a wireless association process and communicating the dynamically assigned MAC address to a wireless network device. Also disclosed are systems, devices, techniques and products for preventing a denial of service attack on a wireless access point's association table, such as by requiring devices that associate with a wireless access point to respond to a query from the wireless access point shortly after association.Type: ApplicationFiled: July 6, 2015Publication date: January 12, 2017Applicant: Aruba Networks, Inc.Inventors: Gopalakrishna RAMAN, Sachin GANU, Daniel HARKINS, Mohd SIRAJ
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Patent number: 9544840Abstract: The present disclosure discloses a distributed method and network device for providing client optimization in WLANs. Specifically, a first access point detects a plurality of client devices. The first access point also receives information identifying a first set of client devices associated with the second access point. Then first access point then identifies a subset of the detected plurality of client devices that are also identified in the first set of client devices associated with the second access point. Finally, the first access point transmits to the second access point characteristics corresponding to the subset of the plurality of client devices. The characteristics are determined based on wireless signals received by the first access point from the subset of the plurality of client devices.Type: GrantFiled: March 4, 2016Date of Patent: January 10, 2017Assignee: Aruba Networks, Inc.Inventor: Jitao Fan
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Patent number: 9544332Abstract: A non-transitory computer readable medium includes instructions which, when executed by one or more network devices, causes performance of operations. The operations include sending, to shared devices, one or more status queries regarding one or more device conditions for each of the shared devices, obtaining responses to the one or more status queries from each of the plurality of shared devices, the responses including the one or more device conditions for each of the shared devices, filtering the shared devices based on the one or more device conditions to obtain a subset of the shared devices, identifying the subset of the shared devices as a set of available shared devices, and transmitting information identifying the set of available shared devices to a client device.Type: GrantFiled: October 31, 2013Date of Patent: January 10, 2017Assignee: Aruba Networks, Inc.Inventors: Sandip Kumar Devnath, Santashil PalChaudhuri, Sudeepto Kumar Roy