Digital Commons Network^™

Volume Control Based On A Determined Context, Alok Chandel, Kaycie Nakata

Defensive Publications Series

This publication describes techniques directed to an electronic device equipped with audio speakers and a volume-control manager application. Instructions included in the volume-control manager application, when executed by a processor of the electronic device, cause the electronic device to perform multiple operations that manage output volume of the audio speakers. Such operations include sensing, through one or more sensors of the electronic device, conditions surrounding the electronic device to determine a context and provide output-volume control options to a user in accordance with the determined context.

Cpu Based Throttling For A Multi-Tenancy Platform, Anonymous Anonymous

Defensive Publications Series

A multi-tenancy system hosts many clients using shared capacity and resources. Client requests (demand) may have different resource consumption and traffic pattern. The multi-tenancy system needs to protect itself from overload. Strategies and techniques for applying CPU based throttling to ensure fair use of resources are described. To ensure a comprehensive and flexible protection, the CPU based throttling is enforced at three levels: a global level, a regional level and a local level.

At the global level, quota-based CPU throttling is applied for each client. A backend system utilizes a global in-memory counter service to aggregate and keep track of …

Secure Crowd-Sourced Photography, Anonymous Anonymous

Defensive Publications Series

A system for detecting an important event/occasion and automatic capturing of image/video is disclosed. A photographer AI (artificial intelligence) app is installed on a mobile device of each user. The users (who are going out on an event) are connected in a peer-to-peer network on the photographer AI app. Each user shares her/his live location on a platform of the photographer AI app. The photographer AI app determines whether a subset of the users is in proximity (i.e. in range and in a frame) for a good picture. The subset of users in the proximity is determined using their live …

Switching Of Control Inputs Modes For A Wearable Display Device, Anonymous Anonymous

Defensive Publications Series

The present disclosure describes a switching system capable of switching a control input mode provided to a wearable display device between a hand tracking mode and a controller tracking mode. In the hand tracking mode, user’s hand gestures are used as a control input to the wearable display device, whereas in the controller tracking mode, controller’s inputs, for example button-based inputs, are used as the control input. The wearable display devices may include, but not limited to, virtual reality (VR) headsets or an augmented reality (AR) headset such as a head-mounted display (HMD) unit, an optical head-mounted display (O-HMD) unit, …

Pre-Provisioning For Protected Content Playback In Closed Network Environments, Xiaohan Wang

Defensive Publications Series

Closed network environments, such as in-flight entertainment (IFE) where users connect their own devices such as smartphones, tablets, laptops, etc. are becoming common. In such environments, playback of protected content on devices is made possible by the presence of streaming and licensing servers that are present within the closed network environment, e.g., aboard a flight. The provisioning server for such content, however, is hosted by a third party and is generally unavailable within the closed environment, which causes playback to fail. This disclosure describes techniques of pre-provisioning without imposing a requirement on the user to download additional applications, such that …

Seamless Integration Between Ethernet Virtual Private Network Flexible Cross-Connect And Legacy Virtual Private Wire Service, Patrice Brissette, Luc Andre Burdet, Riggs Goodman

Defensive Publications Series

Techniques are provided herein for staged migration to Ethernet Virtual Private Network (EVPN) Flexible Cross-Connect (FXC) / Virtual Private Wire Service (VPWS) on a site-by-site basis and per Peer-to-Peer (P2P) instance. This will enable staged migration without requiring any changes to existing legacy VPWS. These techniques should thereby allow for the coexistence of Provider Edge (PE) devices running EVPN FXC/VPWS and legacy VPWS. Furthermore, migration may occur from legacy/old device to new device P2P services.

Detecting A Vehicle Crash Using A Mobile Computing Device, Marc Stogaitis

Defensive Publications Series

A mobile device such as a smartphone may analyze acceleration data to determine when the mobile device, and therefore the user of the mobile device, has been in a vehicle accident. Detecting whether a vehicle accident has occurred may account for an intensity of acceleration forces, a duration of acceleration forces, and concurrent non-force activities detected by the mobile device (e.g., loud audio or screen breakage). If the mobile device has determined that an accident has occurred, the mobile device can present a user interface that provides access to functions that are helpful following an accident. For example, the mobile …

Method To Increase Navigation Location Accuracy With A Target Endpoint, Jonathan Hurwitz

Defensive Publications Series

A system is described that enables a computing device A (e.g., portable device or mobile device) to more accurately determine the location of the computing device relative to a computing device B (e.g., user equipment or handheld device) by using Bluetooth® low energy (BLE) signals. Computing device A may first generate a key (e.g., a random identifier string or a unique key) and push the key to a server. Computing device B may retrieve the key from the server. Once both devices have the key, computing device A may use GPS to find an approximate location of computing device B. …

Mechanisms To Address Personal Area Network (Pan) Change Failures, Yajun Xia, Feiliang Wang, Chuanwei Li, Veselin Ganev

Defensive Publications Series

Presented herein are techniques to address Personal Area Network (PAN) change failures. The techniques presented herein take advantage of, for example, a DODAG Information Object (DIO) poisoning mechanism, a Destination Advertisement Object (DAO) sequence in DAO/DAO ACK, and/or a NS/NA mechanism to address the issues associated with PAN change failures caused by the use of a compresses PAN identifier (ID) in Upper Layer Application Data (ULAD).

Intelligent Flash Assist, Verena Blunder

Defensive Publications Series

No abstract provided.

Public Land Mobile Network Selection During International Roaming, Stan Lin, Taylor Lo, Rukun Mao, Terry Chiu, Lynn Lu, Shivank Nayak

Defensive Publications Series

This publication describes techniques and apparatuses directed to Public Land Mobile Network (PLMN) selection during international roaming. In aspects, roaming activity data is collected and compiled into a database of roaming activity data of Home PLMNs and associated Roaming PLMNs. The Roaming PLMNs are Visited PLMNs operated by a roaming partner that a subscriber’s operator has a roaming agreement with. An Optimized Preferred PLMN List (OPPL) is created from the compiled roaming activity data and the OPPL is stored on user equipment (UE). During international roaming, the UE can utilize the OPPL to determine a suitable PLMN for which to …

Optimization Of Long Range Wide Area Network Device Spreading Factors Based On Predicted Location, Stephan Friedl, Norbert Heusser

Defensive Publications Series

Techniques are described herein for optimizing Long Range (LoRa) network reliability and device power efficiency. LoRa device physical layer settings may be adjusted based on the Radio Frequency (RF) environment in which the device is expected to be located during the device's next network transmission.

Song Sentiment Recognition Based On Implicit User Feedback, Joseph Edwin Johnson Jr., Shiblee Hasan, Chris Hluchan

Defensive Publications Series

Computing devices utilize user feedback (e.g., explicit and/or implicit feedback) to determine a user’s sentiment towards a song or music played by the computing device or another speaker within a given environment. The computing device may determine the user’s sentiment, emotion, reaction, or opinion towards a song and utilize that information when selecting music, tunes, or songs to include in a playlist or otherwise output to the user. In one example, to determine the user’s sentiment towards the song, the computing device executes a sentiment recognition algorithm that utilizes implicit feedback, such as a user singing along with the song, …

Classifying And Separating Messages, Alerts, And Notifications, Yameng Lee Thorp, Hideaki Matsui

Defensive Publications Series

This publication describes techniques and apparatuses that allow a user to classify messages, alerts, and/or notifications based on their significance to the user and allow the user to separate them to be displayed in a first or a second part of a display screen of a smartphone. A machine-learned (ML) model aids the user by classifying and separating messages, alerts, and/or notifications of little or significant interest. By doing so, the user can better-manage their amount of time the user spends in front of the display screen of the smartphone and the user can utilize their smartphone more effectively.

Intelligent Media Creation Utilizing Passive Song Detection, Kody Ferguson

Defensive Publications Series

A system is described that enables a computing system (e.g., mobile phone, camera, tablet computer, etc.) to associate images with a sound that has been detected when an image was captured. The computing system may passively capture an audio sample when a user clicks a photo and compare the audio sample with a song database (e.g., as detected by one or more input device). If a match is found, information, such as the title of the song and the name of the musician, may be retrieved and correlated to the photo. A user may play a song associated with a …

Re-Synchronization Of Battery-Powered Edge Devices In Channel Hopping Low Power And Lossy Networks, Zaochun Zhang, Rui Huang, Xiao Xu, Xiaopu Zhang

Defensive Publications Series

The techniques presented herein propose to overlay a virtual channel-hopping schedule on a mains-powered devices’ unicast (Ucast) and broadcast (Bcast) schedule that allows for a relatively large synchronization error for devices that cannot afford to resynchronize often. The virtual channel-hopping schedule does not occupy actual slot time of the mains-powered devices, does not reduce the overall robustness of a Low power and Lossy Network (LLN) to interference and channel agility, but may reduce the re-synchronization time between mains-powered devices and battery-powered edge devices. These techniques may be helpful to extend the lifetime of energy constrained devices in a channel-hopping network …

Systems And Methods To Optimize The Signaling Between Upf And Smf During Handoff And Eps-Internetworking, Ajay Singh Meena, Navneet Priya, Raghunadha Reddy

Defensive Publications Series

Systems and methods are described herein for optimizing the signaling between a User Plane Function (UPF) and a Session Management Function (SMF) during Handoff (HO) and Evolved Packet System (EPS)-Interworking cases. The systems and methods may be employed to intimate "End-Marker" notification from a UPF to a Source Radio Access Network (Source-RAN) of a respective 4G/5G Access-Network. This is achieved by introducing Send End Marker Packets (SNDEM) flags in "Remove FAR" as part of an N4 Session Modification Request.

The solution described herein is applicable where a SMF has selected the same or different UPF to interact with a target …

Emulating In-Cluster Networking In An External Workstation, Jimmy Cao

Defensive Publications Series

Machines external to a computer network typically access network resources via a proxy server internal to the network. However, external machines lack access to the network directory service; therefore, such machines cannot refer to internal network resources by their canonical names.

Per techniques of this disclosure, an external machine maintains a key-value file that acts as a directory service. When the external machine connects to the network, the key-value file is used to map network service names to the network address of the reverse proxy to resolve names of internal network resources. The reverse proxy uses the network resource name …

Surveys To Assess Developer Perceptions Of Code Complexity, Jason Wilkinson, Jeffrey Warshaw, Elizabeth Kammer, Edward Smith, Ciera Jaspan, Collin Green, Yvette Nameth

Defensive Publications Series

Although a codebase can be assessed objectively for computational complexity, e.g., time-to-execute, memory occupied, etc., there are currently no techniques to assess code complexity as perceived by a developer. Questions of relevance to software development, e.g., how easy or difficult it is to work with a codebase, which parts of the codebase are more complex than anticipated, etc. are not readily answerable. This disclosure describes techniques that automatically send surveys to developers at pertinent points during code development or maintenance. Developer responses are collated and analyzed to determine developer-perceived complexity, e.g., sections of code that are of excessive complexity, are …

A Novel Technique To Enhance Power Outage Notification (Pon) Success Rate Under A Nested Outage, Wenjia Wu, Feiliang Wang, Huimin She, Li Zhao

Defensive Publications Series

Described herein is a novel technique to enhance outage success rate under a hybrid network, such as a hybrid Low-Power and Lossy Network (LLN). The technique involves creating another Routing Protocol for LLN (RPL) instance whose object function is a combination of Expected Transmission Count (ETX) and power capability.

Automatic Grammar Enhancement For Virtual Assistant, Tao Feng, Hongjie Chai

Defensive Publications Series

Grammar rule generation for virtual assistant applications is difficult to scale due to the need for manual labeling. This disclosure describes a scalable solution to automatically generate enhanced grammar rules in predefined verticals. The techniques enable incremental improvements to interpretations of voice commands by a virtual assistant application. Queries that have not already been processed for a target vertical are identified and extracted from a corpus of user queries, e.g., a time-limited corpus in a particular language. Queries are analyzed to discover arguments and patterns that are specific to the vertical. Grammar rules are generated based on the arguments and …

An Improved Routing Metrics Algorithm For Wireless Mesh Network Using Page Rank Theory And Linear Regression, Lele Zhang, Pascal Thubert, Chuanwei Li, Li Zhao

Defensive Publications Series

An existing metric algorithm in wireless mesh networks (WMNs) adopts samples generated by itself. In other words, the existing algorithm sends some probe frames and then counts the returned acknowledgments (acks). This leads to two inherent defects: wasting limited bandwidth to send too many probe frames; and detecting metric changes insensitively.

Presented herein is an improved routing metrics algorithm for WMNs that uses page rank (PR) theory and linear regression. To solve the problems mentioned above, PR theory and multiple linear regression (MLR) methods are introduced in metric calculation to generate metrics closer to real values by conditionally referring sibling …

Automatic Alerts Based On Departure From Routine, Lingyi Zhang, Cliff Chin Ngai Sze

Defensive Publications Series

Research indicates that a task or item that is forgotten is presaged by a change in routine. This disclosure describes techniques to automatically determine that a user may have forgotten a task or item. The determination is made based on analysis of user permitted data such as calendar appointments, location, etc. that indicate a change in routine. Upon determination that the user is likely to forget a task or item, e.g., due to change in routine, an alert is provided to the user.

Teleprompting Service For Virtual Meeting Applications, Eric Bellamy

Defensive Publications Series

A method is proposed for efficiently presenting text on a screen of a virtual meeting application. The method includes receiving, by a teleprompter service of a virtual meeting application, a text file comprising meeting notes of a presenter. The method further includes displaying at least a portion of the text file in an overlaid layer on a screen of the virtual meeting application. The method also includes advancing the text displayed on the screen of the virtual meeting application at a predetermined speed. The method further includes receiving, by the teleprompter service, a command to adjust an advancement of the …

Intelligent Teleprompting System For Delivering Presentations, Sandro Feuz, Thomas Deselaers

Defensive Publications Series

A system is proposed for intelligently and automatically advancing presentation text on a teleprompter User Interface (UI) as the presenter speaks. The system includes receiving, by a teleprompter system, a text file comprising speech of a presenter via the UI. The system further includes displaying contents of the text file on a UI screen. As the presenter speaks, the system further includes recording presenter speech according to predetermined criteria. The system also include running machine learning speech recognition tool to transcribe the recorded speech into recognized text. The system also includes semantically comparing text from the text file with the …

Measuring The Effectiveness Of Retail Endcaps Using Iot Sensors And Machine Learning, Samrat Saha, Matthew Delacey, Rob Vogelbacher, Logan Vadivelu, Tom Peterson

Defensive Publications Series

In retail, an endcap is a display for products placed at the end of an aisle. An endcap is believed to give a brand a competitive advantage and is often leased at a premium price. This disclosure describes techniques to measure the effectiveness of retail endcaps by embedding internet-of-things (IoT) sensors, e.g., proximity sensors, within the endcap. Effectiveness is measured, for example, based on factors such as the amount of foot traffic, the amount of time customers dwell on the products displayed in the endcap, etc. Machine learning is used to discern customer behavioral patterns, such that the investment of …

Simultaneous Display Of User Interface Text Elements In Multiple Languages, Steffen Meschkat

Defensive Publications Series

Many operating systems and other software applications include features that enable users to customize the language used for text elements in the user interface. At runtime, the software renders the UI using text elements corresponding to the language chosen by the user or a default language. Currently, it is a requirement that a single UI language be selected and active at any given time. In certain situations, e.g., when the user is learning a new language, users can find it beneficial to have the text elements of the UI displayed in more than one language at the same time. This …

Predicting The Impact Of Maintenance Work On Networks, N/A

Defensive Publications Series

In large or complex distributed systems and networks, it is difficult to predict the impact of a maintenance task. Sometimes, multiple maintenance tasks are carried out concurrently, increasing the chance of outage due to inadvertent interaction between the maintenance tasks. In a bid to minimize the chance of outage, network managers often approach network maintenance in a conservative manner, resulting in a loss in the velocity of maintenance changes. This disclosure describes techniques that automatically vet the impact of network change requests by predicting network topology, modeling demands, simulating the effect of the change request, and reporting the impact back …

Multilingual User Interface For Collaborative Software, Steffen Meschkat

Defensive Publications Series

Many operating systems and other software applications include features that enable users to customize the language used for text elements in the user interface. At runtime, the software renders the UI using text elements corresponding to the language chosen by the user or a default language. In certain situations, e.g., for collaborative software that multiple users use simultaneously, this can be less than ideal, e.g., when the different users have different language preferences. This disclosure utilizes a suitable form of UI composition that makes UI text elements available in multiple languages at the same time. With user permission, user preferences …

Overriding Deterministic Flows, Pascal Thubert, Patrick Wetterwald, Eric Levy-Abegnoli

Defensive Publications Series

Real aging is not desirable for Deterministic Network (DetNet) flows. Defined herein are new techniques that provide a similar service for DetNet flows. The new techniques involve: utilizing new Quality of Service (QoS) values to indicate a packet that is a normal DetNet packet versus a reclassified packet; reclassifying a DetNet packet to a higher priority to avoid discarding N contiguous packets of the flow; ensuring that a reclassified packet progresses through automatic repeat request (ARQ) methods; and declassifying a DetNet packet to a lower priority rather than discarding it using IP-in-IP encapsulation and a deadline header with a deadline …