Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Described herein are systems, devices, techniques and products for operating network devices, such as wireless access points, in a network environment. For example, wireless client devices may have resources reserved for their use by a network device if the wireless client device is categorized for such resource reservation, such as if the wireless client device is categorized as more important than other wireless client devices. Such categorization may be indicated by a context associated with the wireless client device, including belonging to or being associated with an important user or being used for an important purpose, such as emergency purposes, prescheduled purposes or involving multiple users. Reservation of wireless resources for wireless client devices may be performed to ensure an important user or device is provided with adequate resources to place a voice or video call, for example.

Abstract: Described herein are systems, devices, techniques and products for configuration of access points in access point clustering environments. For example, access points are provided that self-discover existing access point clusters present on a single layer 2 broadcast domain or virtual local area network (VLAN). The access points may join one of the existing access point clusters or establish a new access point cluster, depending on compatibility or capacity, for example. Access point clusters that are present on a single VLAN may be distinguished based on a cluster identifier in order for multiple access point clusters to operate on the VLAN without creating a conflict. One or more criteria, such as a cluster identifier, a cluster size, a cluster version, a network latency, etc., may be used by an access point in determination of which of multiple access point clusters to join. When multiple clusters are operating on the VLAN, a supercluster may be formed.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Described herein are systems, devices, techniques and products for minimizing disruption to network systems due to false detection of a Power over Ethernet (PoE) Power Sourcing Equipment (PSE) as a Powered Device (PD). The disclosed systems, devices, techniques and products provide a way for a PSE to identify itself and avoid being detected as a legacy PD. The disclosed systems, devices, techniques and products further provide a way for a PSE to identify devices that do not require power from the PSE, such as another PSE or a device that is not a PD, and disable automatic PD detection, disable PoE, or otherwise prevent injection of power/current to the other device.

Abstract: 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.

Abstract: A non-transitory computer readable medium includes computer readable program code including instructions for subsequent to a client device associating with an access point, receiving a request for a set of allowed shared devices, removing, by the access point and to obtain the set of allowed shared devices, a shared device from a set of shared devices based on a client device user of the client device failing to have a permission required by a device sharing policy of the shared device, and transmitting the set of allowed shared devices to the client device.

Abstract: 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.

Abstract: 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.

Abstract: A system and method is described that allows the assignment of roles and/or VLANs to an authenticated client device even when an external remote authentication dial in user service (RADIUS) server is inaccessible. In particular, using RADIUS key-reply attributes stored locally after a previous successful authentication using the external RADIUS server, an internal RADIUS server may perform authentication and pass the stored RADIUS key-reply attributes to an authentication module for assignment of a role and/or VLAN to the client device. Accordingly, roles and/or VLANs may be assigned to enforce access privileges of the client device even when an external RADIUS server is inaccessible.

Abstract: Methods of aggregating spectrum data captured from a narrowband radio to form a spectrum covering a much wider frequency band. Frequency data, such as FFT spectrum data captured from a narrowband receiver such as an IEEE 802.11 Wi-Fi receiver are combined to display representative real-time FFT, average FFT, and FFT duty cycle data of a wideband spectrum. Data is captured from narrow band radios such as access points, station monitors, or client devices on a wireless network. A wideband spectrum may be aggregated from data captured from one or from multiple devices. Data may be stored for later analysis and display.

Abstract: Before establishing a connection between a first and a second devices, the first device determines whether a third device is a trusted or untrusted device. If it is a trusted device, the first device receives from the third device a public key and information indicating the public key of the second device; and, uses the public key by combining its own private key and the public key of the second device to generate a shared secret, and using the shared secret to communicate to the second device. Otherwise, the first device refrains from communications with the third device. Also, the second device combines its private key with the public key of the first device received from the trusted third device to generate the same shared secret, and uses the shared secret to provision the first device to access a secured wireless network provided by the second device.