Automatic calibration of probe request received signal strength indication (RSSI) threshold to control associations
Granted: August 2, 2016
Patent Number:
9408181
System and methods are provided for dynamically setting a threshold signal-to-noise ratio for probe requests for one or more access points in a wireless network based on several factors, including density/distance between access points and/or current and expected load on access points. By dynamically adjusting a threshold signal-to-noise for probe requests, the systems and methods described herein may efficiently utilize resources based on current and/or expected conditions. In…
Distributed network layer mobility for unified access networks
Granted: August 2, 2016
Patent Number:
9408061
The present disclosure discloses a method and network device providing distributed network layer mobility for unified access networks. The method eliminates the need for a secure tunnel between a home network device and a foreign network device when a client roams from the home network device to the foreign network device. The disclosed network device receives an association request from a client device in a wireless network; identifies a first wireless virtual local area network (VLAN)…
Video multicast optimization
Granted: August 2, 2016
Patent Number:
9408044
A network device includes a communication interface and a processor. The communication interface may receive a multicast stream that includes a frame. The processor is coupled to the communication interface and may determine whether to send the frame unicast or multicast. The communication interface transmits the frame unicast or multicast based on the determination by the processor. The determination by the processor may be based on characteristics of the frame. If the characteristics…
Identifying a wireless communication channel and a power setting for use by an access point to advertise a particular SSID
Granted: July 19, 2016
Patent Number:
9398471
When an access point (AP) is first powered up, it lacks provisioning information such as channel numbers, power levels, SSIDS, security settings, and so on. The process of supplying this information required to get the AP operating as part of a network is called provisioning. An unprovisioned AP in a swarm first attempts to obtain a DHCP address. Once it gets a DHCP address or selects an address such as from the link-address (169.254.xx.xx) group, it advertises a predetermined wireless…
Apparatus, system and method for suppressing erroneous reporting of attacks on a wireless network
Granted: July 19, 2016
Patent Number:
9398039
According to one embodiment, a method for suppressing erroneous alert messages for suspected network attacks comprises a first operation of determining an intrusion event. This may be conducted at a first network device. Then, the intrusion event is verified prior to transmission of the alert message. The verification may be conducted at a second network device. Thereafter, transmission of the alert message is suppressed in response to verifying that the intrusion event has been…
Periodic high power beacon broadcasts
Granted: July 5, 2016
Patent Number:
9386610
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 signals can be exchanged between or repeated by beacons in order to allow for signals received at one beacon to reach another beacon without requiring further central interaction. Power settings of beacons may be altered to change power…
Three dimensional antenna dome array
Granted: July 5, 2016
Patent Number:
9385416
According to one embodiment of the invention, a wireless network device comprises wireless logic and a heat dissipation unit that encases the wireless logic. The heat dissipation unit includes an antenna dome array that comprises a top surface having a convex-shaped outer periphery with a plurality of antenna elements positioned along the outer periphery.
System, apparatus and method for managing network device connectivity on heterogenous networks
Granted: June 28, 2016
Patent Number:
9380508
According to one embodiment of the disclosure, a network device is described that includes at least one hardware processor and is configured to perform a number of operations. Some of these operations include receiving information associated with a level of connectivity by a client device to a first network, and receiving information associated with a level of connectivity by the client device to a second network. Based on the level of connectivity with the first network and the level of…
System and method for adaptive channel scanning within a wireless network
Granted: May 31, 2016
Patent Number:
9357371
An access point device that is adapted to a wireless network and a wired network is disclosed. The access point includes a transceiver to receive wireless frames from a plurality of wireless devices of the wireless network, respectively, and at least one component to process information extracted from the wireless frames and to control channel scanning based upon at least one of an amount of wireless device traffic and a type of call.
Distributed method for client optimization
Granted: May 31, 2016
Patent Number:
9357458
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…
Application based policy enforcement
Granted: May 31, 2016
Patent Number:
9356964
One embodiment is directed to a system that comprises a network device, including at least a first port, which is configured to analyze information within one or more messages received during a session initiated by another network device. The system is configured to perform operations including determining a total number of sessions for the first port of the network device and determining whether the total number of sessions for the first port exceeds a threshold value. If the total…
Method and system for causing a client device to renew a dynamic IP address
Granted: May 31, 2016
Patent Number:
9356908
A method includes terminating a connection between (a) a wireless network supported by a network device and (b) a client device. The method further includes rejecting one or more requests to establish the connection between the wireless network and the client device based at least on the one or more requests being received from the client device within a first period of time subsequent to the terminating operation and accepting a particular request to establish the connection between the…
System and method for mitigating multicast message duplication in a wireless network
Granted: May 31, 2016
Patent Number:
9356817
According to one embodiment of the invention, a method for mitigating duplication of multicast data streams to wireless client devices. The method comprises the operations of detecting, by one or more network devices, a multicast message, and controlling, by the one or more network devices, a forwarding of information within the multicast message to a network device handling multicast data transmissions. The forwarding is controlled based on information within the multicast message and…
Methods, apparatuses and systems facilitating management of airspace in wireless computer network environments
Granted: May 31, 2016
Patent Number:
9356761
According to one embodiment, a particular network device that comprises at least one hardware processor is described. The network device is configured to perform operations including operating in a first mode by communicating wirelessly with at least one wireless client device to provide the at least one wireless client device access to one or more resources, where the operating in the first mode comprises receiving packets transmitted by the at least one wireless client device and…
System and methods for adaptive per-user multipath control for spatial multiplexing gain in MIMO systems
Granted: May 31, 2016
Patent Number:
9356676
Disclosed herein is a system, apparatus, and method for adaptive per-user multipath control for spatial multiplexing gain in MIMO systems. Transmission parameters relating to Cyclic Shifts and/or Radio Frequency (RF) antenna beams are modified and tested to find optimal transmission parameters that enable better exploitation of multipath RF propagation and therefore better spatial multiplexing gain.
System and method for efficient state synchronization among neighboring network devices
Granted: May 24, 2016
Patent Number:
9351130
According to one embodiment of the invention, a non-transitory computer readable medium comprising instructions which, when executed by one or more hardware processors, causes performance of operations including detecting, by a first network device, a second network device within a radio frequency (RF) communication range from the first network device. Responsive at least to detecting the second network device, the first network device subscribes to a multicast group associated with the…
System and method for supporting multicast domain name system device and service classification
Granted: May 24, 2016
Patent Number:
9350815
According to one embodiment, a digital device is adapted to support one or more network services. The digital device comprises processing circuitry, and a memory coupled to the processing circuitry. The memory comprises logic that, when executed by the processing circuit, is configured to (i) detect, in response to a triggering event, one or more network services advertised by at least one digital device within a network, and (ii) store information only directed to the one or more…
Overlaying virtual broadcast domains on an underlying physical network
Granted: May 17, 2016
Patent Number:
9344858
Operations include determining that a subset of devices, from a plurality of devices, are executing a same application, located in a same geographical location, or correspond to a same user. Responsive to the determining operation, a group with the subset of devices is created and communication between the devices is supported.
Client aware DHCP lease management
Granted: May 17, 2016
Patent Number:
9344397
The management of DHCP address leased based on client properties is described. According to a method of operation, clients are managed in a wireless digital network by modifying a requested lease time for an assigned Internet Protocol (IP) address based on properties of a client requesting the lease time. The assigned IP address is released if (i) no communication activity is detected by the client for a prescribed duration or (ii) upon detecting a DHCP Release message from the client.…
Enhanced dynamic multicast optimization
Granted: May 10, 2016
Patent Number:
9338073
The present disclosure discloses a system and method for enhanced dynamic multicast optimization based on network condition measurement. The system includes a processor and a memory storing instructions that, when executed, cause the system to: measure a network condition for a multicast group using one or more metrics; determine whether to convert all stations in the multicast group to unicast based on the network condition; and responsive to determining not to convert the all stations…
