Abstract: Techniques are described that enable onboarding of a plurality of heterogeneous client devices with secure access to a wireless network using a network management system (NMS). The NMS has a memory to store a plurality of private pre-shared keys (PPSKs), where each PPSK is provisioned for a particular client device or a particular group of client devices. In response to a key lookup request from an access point (AP) device for a client device, the NMS performs a key lookup and, in response to identifying a PPSK provisioned for the client device, authenticates the client device to access the wireless network via the AP device. The NMS then manages one or more of tracking the client device, policy application to the client device, or handling of network traffic from the client device while connected to the wireless network using the PPSK as an identifier of the client device.

Abstract: Techniques are described for identifying, by a network management system (NMS), a seasonal pattern of device counts collected at a site over time; predicting, by the NMS, device counts for a time window based on the seasonal pattern and device counts determined for one or more prior time windows; detecting, by the NMS, an anomaly during the time window based on a difference between actual device counts determined for the time window and the predicted device counts for the time window; and determining, by the NMS, a root cause of the anomaly at the site.

Abstract: Techniques are described for automatically configuring one or more settings of wireless radios within access point (AP) devices at a site based on wireless radio configuration settings for wireless radios within AP devices at manually tuned sites, i.e., “golden sites.” The techniques may automatically configure channel bandwidth settings of the wireless radios within the AP devices to optimize performance of wireless networks at the site. A system monitors operational parameters of the wireless radios within the AP devices at a site, identifies a class of wireless radios within AP devices at the golden sites that have similar operational parameters as one or more wireless radios within a particular AP device at the site, and automatically configures the settings of the wireless radios within the particular AP device at the site based on the settings associated with the identified class of wireless radios within AP devices at the golden sites.

Abstract: Techniques are described for a system comprising memory and one or more processors in communication with the memory. The one or more processors may be configured to obtain network data of a plurality of access point (AP) devices at a site. The one or more processors may further be configured to determine a capacity on a first radio band for an AP device of the plurality of AP devices. The one or more processors may further be configured to determine an availability associated with the first radio band with respect to one or more neighboring AP devices of the AP device. The one or more processors may further be configured to perform, based on the capacity and the availability, an action.

Abstract: A tray assembly comprises a plurality of trays. Each of the plurality of trays comprises a first tray portion and a second tray portion which are couplable together by a retainer and which are engageable with a cam member. Depending on the orientation of the cam member, each of the plurality of trays of the tray assembly is configurable between an expanded configuration and a collapsed configuration. In the collapsed configuration, the tray assembly is insertable into an ampoule. In the expanded configuration, the tray assembly is removable from an ampoule.

Abstract: A delivery system includes a handheld electric lift configured to lift at least one vaporizer vessel, and a cabinet configured to hold the at least one vaporizer vessel. The lift includes an elongated mast, an effector attached to the mast, a handler configured to move the lift, and at least one caster. The effector is controlled by an electric power source to move along the mast. Each of the at least one caster includes a stopper and a wheel. The stopper is elongated and is disposed above the wheel. The stopper is configured to engage with the wheel to prevent the wheel from swiveling when the stopper is pushed down. The stopper is further configured to disengage with the wheel to allow the wheel to swivel when the stopper is released. The cabinet includes at least one channel configured to accommodate the at least one caster.

Abstract: Systems and methods for electronic levels are disclosed. An electronic level can include one or more sensing elements configured to detect levelness of the electronic level. The electronic level can include a display including multiple output display elements arranged in an array that extends in a direction along a longitudinal axis of the electronic level and configured to display an indication of the levelness of the electronic level. The electronic level can include a controller coupled with the one or more sensing elements and the multiple output display elements. The controller may be configured to activate the one or more sensing elements to detect the levelness and activate one or more of the multiple output display elements to display the indication based on the levelness.

Abstract: A tray for a vaporization vessel that includes a tray having a side wall, a bottom plate, one or more apertures that extend through the bottom plate, and a duct that extends through and from the bottom plate. The tray configured to support a solid reagent to be vaporized. A method of assembling the tray that includes forming a first tray that has the side wall and the bottom plate. A vaporization vessel that includes one or more of the trays.

Abstract: Techniques are described for dynamically invoking a radio frequency (RF) spectrum capture at a site based on detection of an anomalous event at a node or radio of an access point (AP) device at the site. For example, a system is configured to detect an anomalous event at a node of an AP device based on network data obtained for the AP device; based on the anomalous event, invoke an RF spectrum capture by one or more nodes of one or more AP devices at the site; store spectrum data obtained from the RF spectrum capture in association with the anomalous event; and determine a root cause of the anomalous event based on the spectrum data associated with the anomalous event and the network data from which the anomalous event was detected.

Abstract: A LNG liquefaction plant system includes concurrent power production, wherein the refrigeration content of the refrigerant or SMR is used to liquefy and sub-cool a natural gas stream in a cold box or cryogenic exchanger. For concurrent power production, the system uses waste heat from refrigerant compression to vaporize and superheat a waste heat working fluid that in turn drives a compressor for refrigerant compression. The refrigerant may be an external SMR or an internal LNG refrigerant working fluid expanded and compressed by a twin compander arrangement.

Abstract: Techniques are described that detect areas with insufficient radio frequency (RF) coverage in a wireless network. A network management system (NMS) determines one or more service level expectation (SLE) metrics for each client device in a wireless network. The SLE metrics are aggregated to each access point (AP) in the wireless network, and each AP is assigned an AP score based on the aggregated SLE metrics. To identify potential coverage holes, the NMS groups APs having poor AP scores. If a root cause of the poor AP scores cannot be automatically resolved and if the poor AP scores persist for a predetermined period of time, the group of APs is determined to represent a true coverage hole. The NMS may generate a notification regarding recommended corrective actions to the customer and/or IT personnel.

Abstract: Techniques are described by which a network management system (NMS) receives, from a plurality of access points (APs) configured to provide a wireless network, received signal strength indicator (RSSI) values. The NMS generates, based on the RSSI values, a graph of the plurality of APs, wherein the graph of the plurality of APs includes a plurality of clusters, wherein each cluster comprises a subset of the plurality of APs that are grouped based on strength of connectivity between the subset of the plurality of APs. The NMS generates, based on the graph, an upgrade plan to upgrade the plurality of APs, wherein the upgrade plan comprises a plurality of batches, wherein each batch includes a selection of at least one AP from each of one or more of the plurality of clusters. The NMS sends the upgrade plan to an orchestrator to execute the upgrade plan.

Abstract: This disclosure describes a network management system configured to determine, for each AP of the plurality of APs and based on received signal strength indicators (RSSIs) of each AP of the plurality of APs, one or more strong neighbors of each AP. compute an AP redundancy score for each AP of the plurality of APs indicative of a redundancy of each AP; compute, based on the AP redundancy scores, at least one of: a switch redundancy score for each network switch associated with one or more of the plurality of APs, wherein the switch redundancy score is indicative of a redundancy of each network switch, or a site redundancy score, wherein the site redundancy score is indicative of an overall redundancy of the network site; and invoke, based on the AP redundancy scores, the switch redundancy score, or the site redundancy score, one or more actions.

Abstract: Techniques are described that detect areas with insufficient radio frequency (RF) coverage in a wireless network. A network management system (NMS) determines one or more service level expectation (SLE) metrics for each client device in a wireless network. The SLE metrics are aggregated to each access point (AP) in the wireless network, and each AP is assigned an AP score based on the aggregated SLE metrics. To identify potential coverage holes, the NMS groups APs having poor AP scores. If a root cause of the poor AP scores cannot be automatically resolved and if the poor AP scores persist for a predetermined period of time, the group of APs is determined to represent a true coverage hole. The NMS may generate a notification regarding recommended corrective actions to the customer and/or IT personnel.

Abstract: Vaporizer vessels include one or more reagent support panels, serving as dividers of interior space of the vessel, in a vertical orientation such as when filling the vaporizer vessels, and when rotated into a horizontal orientation, the panels support the vaporizable solid materials placed in one or more chambers formed by the panels and interior walls of the vessels and enable transfer of heat to those solid materials. The chambers are such that any or all chambers filled with the vaporizable solid materials provide a void space to allow the solid materials to vaporize and for gas to move through the vaporizer vessels when heated, to allow effective vaporization of the solid materials and further allow the vapor resulting from the solid materials to move to an outlet of the vessels where it can be provided as part of a process.

Abstract: A LNG liquefaction plant system includes concurrent power production, wherein the refrigeration content of the refrigerant or SMR is used to liquefy and sub-cool a natural gas stream in a cold box or cryogenic exchanger. For concurrent power production, the system uses waste heat from refrigerant compression to vaporize and superheat a waste heat working fluid that in turn drives a compressor for refrigerant compression. The refrigerant may be an external SMR or an internal LNG refrigerant working fluid expanded and compressed by a twin compander arrangement.

Abstract: A crowdsourced Internet of Things (IoT) solution is described. A user equipment (UE) receives a message from a transmitting device which is associated with a first organization while the user equipment is associated with a second organization. The UE determines whether roaming is allowed for the transmitting device from the first organization to the second organization. If roaming is allowed, the UE transmits at least an identifier of the transmitting device and location information of the UE to a roaming exchange for transmission to an IoT platform of the first organization. If roaming is not allowed, the UE ignores the message from the transmitting device.

Abstract: Techniques are described by which a network management system (NMS) receives, from a plurality of access points (APs) configured to provide a wireless network, received signal strength indicator (RSSI) values. The NMS generates, based on the RSSI values, a graph of the plurality of APs, wherein the graph of the plurality of APs includes a plurality of clusters, wherein each cluster comprises a subset of the plurality of APs that are grouped based on strength of connectivity between the subset of the plurality of APs. The NMS generates, based on the graph, an upgrade plan to upgrade the plurality of APs, wherein the upgrade plan comprises a plurality of batches, wherein each batch includes a selection of at least one AP from each of one or more of the plurality of clusters. The NMS sends the upgrade plan to an orchestrator to execute the upgrade plan.

Abstract: Techniques are described that detect areas with insufficient radio frequency (RF) coverage in a wireless network. A network management system (NMS) determines one or more service level expectation (SLE) metrics for each client device in a wireless network. The SLE metrics are aggregated to each access point (AP) in the wireless network, and each AP is assigned an AP score based on the aggregated SLE metrics. To identify potential coverage holes, the NMS groups APs having poor AP scores. If a root cause of the poor AP scores cannot be automatically resolved and if the poor AP scores persist for a predetermined period of time, the group of APs is determined to represent a true coverage hole. The NMS may generate a notification regarding recommended corrective actions to the customer and/or IT personnel.

Abstract: Example network management systems, techniques, and computer-readable media are set forth herein. An example network management system is configured to obtain client activity data of one or more access point (AP) devices. The example network management system is configured to determine, based on the client activity data, an anomaly in a behavior of an AP device of the one or more AP devices based on at least one of a comparison to forecasted client activity data of the AP device or a comparison to client activity data of at least one peer AP device. The network management system is configured to perform, based on the determined anomaly in the behavior of the AP device, an action.