Abstract: A method for preserving a frame check sequence (FCS) of a data frame during backscatter communication is provided. The method comprises: receiving a transmitted signal including a transmitted data frame, wherein the transmitted data frame includes a first data sequence and the FCS; determining a cyclic redundancy check (CRC) preservation sequence based on a backscattering tag data sequence, a bit-length of the backscattering tag data sequence, and a given CRC algorithm; and backscattering the transmitted signal to form a backscattered signal including a backscattered data frame, wherein the backscattered data frame includes a second data sequence and the FCS. The second data sequence includes a transmitted data sequence, an encoded tag data sequence and the CRC preservation sequence. The CRC preservation sequence preserves the FCS of the transmitted data frame in the backscattered data frame. The FCS is usable to detect communication errors in the backscattered data frame.

Abstract: A wireless tag communication device includes a communication control circuit, a sensor, and a processor. The communication control circuit is configured to communicate with a wireless tag via an antenna. The sensor is configured to detect a variation amount of a direction of the antenna. The processor is configured to output an alert when the variation amount of the direction of the antenna detected by the sensor is less than a reference value.

Abstract: A system for detecting hardware Trojans in a computerized device includes a digital circuit having switching components operating pursuant to at least one clock frequency and positioned within an interrogation range of an incident carrier wave. A modulated backscatter response is reflected from the digital circuit upon arrival of the incident carrier wave in the presence of the switching operations. A detection device is positioned to receive the modulated backscatter response. A computer connected to the detection device identifies harmonics of a respective clock frequency of the digital circuit from the backscatter response and identifies characteristics of the harmonics indicating a presence or an absence of a hardware Trojan connected to the digital circuit.

Abstract: A tracking system for monitoring the status of a consumable good using a distributed ledger is provided. The tracking system includes a receiver subsystem configured to submit to the distributed ledger a genesis transaction encoding details regarding an original consumable good, and a distributor subsystem configured to receive at least a distribution portion of the consumable good from the receiver subsystem and submit to the distributed ledger a first update transaction, based on the genesis transaction, encoding details regarding the receipt of the distribution portion by the distributor subsystem from the receiver subsystem.

Abstract: A technique for providing status information relating to a wireless data transmission that is used to control an industrial process by a remote controller is presented, wherein the remote controller is coupled to a field device of the industrial process via a wireless communication network supporting the wireless data transmission. An apparatus implementation of the technique comprises a first interface configured to be coupled to one of a user equipment, a radio access network and a core network of the wireless communication network, and a second interface compliant with an industrial process communication protocol used for communication between the remote controller and the at least one first field device. The apparatus is configured to receive the status information via the first interface and provide the status information, or information derived therefrom, via the second interface towards the remote controller.

Abstract: To ensure further accurate management of a status of medication administration, one aspect of the present invention acquires declaration information regarding the medication administration of a user, acquires biological information of the user and causes a storage medium to store the biological information, calculates a degree of dispersion of the biological information acquired in a target period based on the biological information stored in the storage medium, determines reliability of the declaration information regarding the medication administration acquired in the target period based on the degree of dispersion of the biological information, and outputs information representing a determination result of the reliability.

Abstract: A label printing program running on a computing system can associate assets with unique identifiers (UIDs) corresponding to ID tag-bearing labels that are designed to be affixed to the assets. In response to user input selecting an asset for which ID tag-bearing labels should be printed, the label printing program can send command(s) to a printing system that cause an ID tag reader within the printing system to read an ID tag from an unprinted label and determine a UID associated with the ID tag. In response to receiving the UID from the printing system, the label printing program can update a data record that is associated with the asset with the UID associated with the ID tag. The printing system can also print relevant asset information on the unprinted label, thereby creating a printed label that can be affixed to the asset.

Abstract: A medical system configured to aid a user in locating an access port of an implantable medical device, the medical system including an implantable port comprising a medicament chamber accessible through a septum, a localizer base operably coupled to the implantable port comprising an array of electromagnetic field emitting coils, an antenna array comprising a plurality of electromagnetic field sensing coils, and a user interface adapted to display data received from the antenna array to visually depict a relative position of the antenna array relative to the localizer base.

Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit a first frame including first information required for uplink multi-user transmission without receiving a transmission request for the first information; and a receiver configured to receive a second frame.

Abstract: A centralized cooperative positioning method includes: caching measurements of nodes in multiple time slices up to the current time slice; calculating location information of the nodes in the multiple time slices to obtain trajectory of the nodes in the multiple time slices; performing initial state estimations of the nodes based on measurements of a single time slice; and using the initial state estimations as initial solution values, performing the joint time-space processing on the measurements of the nodes in the multiple time slices based on trajectory constraints, to obtain a state estimation of each node at the current time slice, in which the state estimation includes an estimated value of a location of the node.

Abstract: An asset includes a short range transmitter that broadcasts a first signal that includes a unique identifier associated with the asset. Each asset is carried by one of number of mobile devices, and each asset is freely exchangeable between any of the number of mobile devices. Each of at least some of the mobile devices carries a receiver to receive the first signals within reception range of the receiver. Each of at least some of the mobile devices aggregates the received unique identifiers. Each of at least some of the mobile devices carries a transmitter that transmits a second signal that includes data representative of a geolocation of the respective mobile device and data indicative of the unique identifiers received by the respective mobile device to a back-end system. The back-end system uses the data included in the received second signals to track and locate assets within a geographic area.

Abstract: Various embodiments illustrated herein disclose a radio-frequency identification (RFID) reader having a first RFID tag having a first antenna element operating at a first transmit power. The first RFID tag receives, in a first time interval, a first interrogation command from a first RFID reader through the first antenna element. The first RFID tag transmits, in the first time interval, a first response signal to the first RFID reader. The RFID reader comprises a second antenna element that operates at a second transmit power and a processor communicatively coupled to the second antenna element. The processor transmits, in the first time interval, a second interrogation command to one or more second RFID tags through the second antenna element. The first RFID tag transmits, in a second time interval, a third interrogation command to a first RFID tag of a second RFID reader through the first antenna element.

Abstract: There is described a method of determining a phase value for an NFC card emulating device that enables said NFC card emulating device to communicate in phase with an NFC reader device while utilizing active load modulation, wherein the NFC card emulating device comprises a card antenna and the NFC reader device comprises a reader antenna, the method comprising receiving a reader signal from the NFC reader device at the NFC card emulating device through coupling of the card antenna and the reader antenna, the reader signal comprising a subcarrier modulation; estimating a resonance frequency of a system corresponding to the coupled card antenna and reader antenna based on the received communication signal; and determining the phase value based on the estimated resonance frequency and a set of parameters that represents a predetermined reference system. Furthermore, an NFC card emulating device, an NFC system, and a computer program are described.

Abstract: A method is disclosed. The method includes providing an interactive device having at least one of a display screen and an audio component, pairing the interactive device with a user device, transferring data to the interactive device, and displaying images via the display screen or emitting sound via the audio component based on the transferred data. The interactive device is a non-transmitting device.

Abstract: An online system receives a content item including an image from a content-providing user and/or receives an interaction with the content item from a viewing user. The online system accesses a machine-learning model that is trained based on a set of images of items associated with an entity and attributes of each image. The online system applies the model to predict a probability that the content item includes an image of an item associated with the entity based on attributes of the image included in the content item. Based on the predicted probability, the online system updates a profile of the user (i.e., the content-providing user and/or the viewing user) to include an affinity for the item. Upon determining an opportunity to present content to the user, the online system selects content for presentation to the user based on the profile and sends the content for presentation to the user.

Abstract: A multizone equipment tracking solution includes radio frequency identification (RFID) tags affixed to items of inventoried equipment; a plurality of RFID readers deployed in a plurality of different zones, including a transit zone and a storage zone, wherein an RFID reader in a transit zone comprises a mobile reader and a wireless signal strength measurement component; and a monitoring node. The RFID readers read tag codes from items that are in the different zones, and report the information to the monitoring node, permitting a real-time, end-to-end view of inventoried equipment across different zones. The RFID reader in the transit zone also measures a wireless signal strength (e.g., cellular) along a transit route and reports the measurements, thereby reducing a need for dedicated monitoring efforts by the wireless network operator. Reported data, may be advantageously mined to provide value for inventory management, while also providing cost savings for wireless network management.

Abstract: An operation method of a user device which performs near field communication (NFC) with a card reader includes downloading a service certification of a service, which the card reader provides, from a service authentication server through a network, sending status information of the user device to the card reader, receiving a service identifier (ID) which the card reader sends depending on the status information, performing an authentication process with the card reader based on a symmetric key when the service ID is present in the downloaded service certification, and sending an authentication success message to the card reader when the authentication process succeeds.

Abstract: A method for manufacturing metal phosphate hydrate nanoparticles wherein metal reactants are selected from metal precursors of transition metals,phosphate precursors are selected from: Trisodium phosphate Na3PO4, disodium phosphate Na2HPO4, phosphoric acid H3PO4 and hypophosphoric acid H4P2O6, wherein said method comprises the following step of a reaction medium comprising at least a metal reactant, a phosphate precursor and a solvent, is submitted to a solvothermal treatment at a pressure superior to 50 MPa, and at a temperature of from 100 to 350° C.

Abstract: A system, device, and method are disclosed for reducing or eliminating interference between proximate electronic devices. The system, device, and method rely on a switch communicatively disposed between a signal origination device and an antenna. Further, the switch is connected to an electronic device and is operable to receive a signal from the electronic device corresponding to whether the electronic device is in an activated or de-activated state. Additionally, when the electronic device is in an activated state, the switch is operable to open, preventing communication between the signal origination device and the antenna.

Abstract: An image forming apparatus includes a storage unit storing sheets each including a wireless tag, a printer, a communication device, and a controller for controlling the printer to convey a first sheet, acquiring first strengths of signals from a first tag on a first sheet during the conveyance of the first sheet and second strengths from tags not sheets being conveyed. Based on the acquired strengths, the controller determines a threshold value for distinguishing between sheets being conveyed and not being conveyed. The controller then controls the communication device to write information to a tag on a sheet being conveyed based on the threshold value.

Abstract: A key fob duplication device is disclosed. The duplication device may have a housing and a display device attached to the housing. The duplication device may also have a controller enclosed within the housing. The controller may read data stored in the first key fob. The controller may also determine whether the first key fob can be duplicated based on the data. When the data indicates that the first key fob can be duplicated, the controller may write the data of the first key fob and an indicator value on a second key fob. The indicator value may indicate that the second key fob cannot be duplicated. When, however, the data indicates that the first key fob cannot be duplicated, the controller may display a message on the display device, indicating that the first key fob cannot be duplicated.

Abstract: A method for detecting scratches and bumps applied to a vehicle uses an acceleration sensor. Signals of the sensor are analyzed and evaluated based on duration and frequency.

Abstract: A tag for detecting an analyte can include a radio frequency identification tag including a sensor portion, the sensor portion configured to change resistivity when the radio frequency identification tag contacts or interacts with an analyte, whereby the resistivity change alters an output of the radio frequency identification tag, wherein the sensor portion includes a circuit, and wherein the sensor portion is configured to activate the circuit or deactivate the circuit when contacted or having interacted with the analyte, where the sensor portion includes a plurality of carbon nanotubes associated with a chemically-degradable polymer. In certain embodiments, the chemically degradable polymer can be a metallo-supramolecular polymer.

Abstract: Techniques for location-based apparatus management can result in significant battery power savings for the apparatus and robust controls over the apparatus. This may be achieved by using discovered wireless network(s) to learn repeating patterns of the apparatus and, accordingly, set up soft geofences to trigger automatic operations of the apparatus. Information associated with the discovered wireless network(s) is used to determine the location of the apparatus, and the type of location can be identified. Based on the type of location, the apparatus is placed in a mode corresponding to the identified type of location. Alternatively, or additionally, specific features and/or applications on the apparatus may be activated or deactivated.

Abstract: Remote measuring and sensing. Some example embodiment related to optical energy harvesting by identification device, such as infrared identification device GRID devices). Other embodiments relate to RFID device localization using low frequency source signals. Yet still other embodiments related to energy harvesting by RFID in electric fields in both conductive and non-conductive environments.

Abstract: Provided is a living body information identification system that can identify position information of a living body (a person) and state information about a state of the living body without attaching a wireless device or a sensor on a human body. The living body information identification system includes a transceiver configured to transmit radio waves and wirelessly receive a signal, and sensor modules configured to receive the radio waves, convert the received radio waves into power, and use the power as a power supply to transmit own unique ID information to the transceiver. The sensor modules receive the radio waves from the transceiver, convert the received radio waves into power, and use the power as a power supply to transmit state information about a state of the living body to the transceiver. The transceiver identifies the living body based on the ID information and the state information.

Abstract: A wireless power transmitter includes a power conversion unit configured to transfer wireless power to a wireless power receiver by forming magnetic coupling with the wireless power receiver; and a communication/control unit configured to communicate with the wireless power receiver to control transmission of the wireless power and to perform high level data transport. Further, the communication/control unit is configured to transmit a data stream including a sequence of data packets in which the high level data is divided to the wireless power receiver based on the high level data transport, and the data stream includes at the beginning an auxiliary data control packet.

Abstract: To enable information such as clip meta information to be automatically set to a camera. The camera transmits position information to a server via a network. The camera receives information related to a specific person who possesses a portable terminal located near a position indicated by the position information from the server via the network. For example, the specific person is a reporter who reports using the camera, and the information related to the specific person is coverage information regarding the reporter. Furthermore, for example, the specific person is a camera operator who operates the camera, and the information related to the specific person is camera setting information regarding the camera operator.

Abstract: Wireless power transmission methods, wireless power transmitters, wireless power receiving method, and wireless power receivers are disclosed. Wireless power is transmitted using power signal comprising a multi-sine waveform within a bandwidth to drive a plurality of antennas. Beam-forming coefficients are generated and the relative phases of the power signal used to drive the antennas is controlled by the beam-forming coefficients.

Abstract: A wireless tag processing device includes a wireless tag reader-writer and a processor configured to acquire first and second sets of parameter values, control the reader-writer to transmit a radio wave using each parameter value of the first set and acquire a first intensity of a response wave from a wireless tag, when a highest first intensity satisfies a first condition, determine a parameter value of the first set corresponding to the highest intensity as a parameter value to be used by the reader-writer, and when the highest intensity does not satisfy the condition, control the reader-writer to transmit a radio wave using each parameter value of the second set and acquire a second intensity, and when a highest second intensity satisfies a second condition, determine a parameter value of the second set corresponding to the highest second intensity as the parameter value to be used by the reader-writer.

Abstract: A PC presents, to a user, a difference between an actual speed and an ideal speed, the actual speed being a moving speed of a colorimeter when the user moves the colorimeter with respect to a color chart, the ideal speed being a moving speed of the colorimeter ideal for color measurement on the color chart.

Abstract: A product tagging system is provided that includes at least one RF backscatter transmitter configured to emit a Radio Frequency (RF) signal on a frequency. The system includes a plurality of passive RF backscatter tags, each associated with a respective product and configured to backscatter a reply in response to a transmission from the transmitter. The system includes at least one RF backscatter receiver configured to read data for the respective product by detecting a distributed ambient backscatter signal generated by backscattering the RF signal by a corresponding one of the tags. The at least one RF backscatter receiver includes at least two antennas for performing Simultaneous Multi-Port reception (SMP) by receiving respective distributed ambient backscatter signals from a same one of the tags responsive to a same one of the RF signal being transmitted thereto. Each of the transmitter and receiver include a respective synchronized clock for the SMP.

Abstract: In accordance with a first aspect of the present disclosure, a radio frequency identification (RFID) transponder is provided, comprising a modulator and a controller, wherein: the modulator is configured to generate a modulated signal to be transmitted to an external RFID reader; the controller is configured to increase a transmitter impedance during a first period of time; the controller is configured to decrease the transmitter impedance by enabling the modulator during a second period of time. In accordance with a second aspect of the present disclosure, a corresponding method of operating a radio frequency identification (RFID) transponder is conceived.

Abstract: A semi-passive radio frequency identification (RFID) tag includes a digital circuit with switching components operating within an interrogation range of an incident carrier wave. A plurality of input connections and output connections direct data communications through the switching components within the digital circuit, and the data communications are subject to switching operations of the switching components between at least one of the input connections and at least one of the output connections. A backscatter response reflected from the digital circuit upon arrival of the incident carrier wave, wherein the backscatter response is a modulated backscatter response in the presence of the switching operations.

Abstract: A wireless power transmitter according to one embodiment of the present disclosure transmits wireless power to a wireless power receiver, receives a first received power packet including an estimated received power value indicating a first calibration data point from the wireless power receiver after a negotiation phase, transmits ACK in response to the first received power packet, receives a second received power packet including an estimated received power value indicating a second calibration data point from the wireless power receiver, transmits ACK in response to the second received power packet, receives a new second received power packet including an estimated received power value indicating a third calibration data point from the wireless power receiver, transmits ACK in response to the new second received power packet, and constructs a power calibration curve using the first received power packet, the second received power packet, and the new second received power packet.

Abstract: A RFID tag (501), reader (502) and protocol allow a protected read operation in a two-step tag authentication with cipher-block cryptography. A challenge-response mechanism using a shared secret symmetric key (638) for tag authentication includes a challenge and information to read data from a tag's memory (637). Tag's response to the challenge-response mechanism includes the response to the reader's challenge and data from the tag's memory. A method embeds a protected write operation in a four-step reader authentication with cipher-block cryptography. The protocol allows a challenge-response mechanism using the shared secret symmetric key for reader authentication including a challenge and information to write data to the tag's memory. Reader's response to the challenge-response mechanism includes a response to the tag's challenge and data for writing to the tag's memory.

Abstract: An apparatus is provided in which electromagnetic field components generated by a transmitting coil is induced to other transmitting coils based on plurality of transmitting coils being driven for multiple wireless charging, for example, wirelessly charging two or more receivers to prevent degradation in performance of detecting a receiving coil and a foreign object during multiple wireless charging. According to the present disclosure, the receiving coil and foreign object detecting apparatus in multiple charging conditions using the plurality of transmitting coils includes an induced signal processor. The induced signal processor can control an amount of voltage and an operation frequency corresponding to the wireless charging coil and can detect a peak and can include a filter to thereby prevent interference of a signal induced from other neighboring transmitting coils.

Abstract: A method for initiating a time- and geographic-based electronic transaction includes: storing, in a mobile computing device, payment details associated with a transaction account; receiving a payment zone notification upon entry of the mobile computing device into a predefined geographic area, the notification including payment terms; registering a first timestamp upon receipt of the notification; displaying the payment terms; receiving an indication of approval of the payment terms; receiving an exit notification upon exit of the mobile computing device from the predefined geographic area; registering a second timestamp upon receipt of the exit notification; calculating a transaction amount based on an elapsed amount of time between the first timestamp and the second timestamp and a payment rate; and transmitting the calculated transaction amount and payment details.

Abstract: A device comprising: a radio frequency (RF) coupler comprising input, output, and coupled ports; an antenna capable of receiving RF signals having a first characteristic and transmitting RF signals having a second characteristic, the antenna connected to the RF coupler to provide received RF signals to the input port of the RF coupler and transmit RF signals received at the input port via coupling to signals received at the coupled port; and signal transformation circuitry having an input connected to the output port of the RF coupler to receive RF signals provided by the antenna to the input port and an output connected to the coupled port, the signal transformation circuitry configured to transform first RF signals having the first characteristic received from the output port to second RF signals having the second characteristic and to provide them to the coupled port.

Abstract: Remote measuring and sensing. Some example embodiment related to optical energy harvesting by identification device, such as infrared identification device GRID devices). Other embodiments relate to RFID device localization using low frequency source signals. Yet still other embodiments related to energy harvesting by RFID in electric fields in both conductive and non-conductive environments.

Abstract: An apparatus for identifying a location of a terminal includes a communication unit comprising communication circuitry configured to receive, from the terminal, information corresponding to a signal transmitted from a signal generation module that is activated based on a door opening/closing of a vehicle; and a processor configured to identify the location of the terminal in the vehicle using the received information.

Abstract: Methods and systems of managing radio based power may include a mobile platform having a plurality of radios and logic to detect changes in location for the mobile platform. The logic may also deactivate at least one of the plurality of radios in response to the changes in location. The changes in location may be detected based on location information obtained from one or more active radios in the plurality of radios and connection losses with respect to active radios in the plurality of radios.

Abstract: A plurality of devices are detected within range of a particular device, and capabilities of each of the plurality of devices are determined, as well as a respective taxonomy to be associated with each device based on the device's capabilities. A set of asset abstractions are identified, referenced by a particular software application configured to manage a particular machine-to-machine network. Each asset abstraction can correspond to a respective one of the set of taxonomies, and the particular machine-to-machine network can be built from an instance of each one of the set of asset abstractions. A subset of the plurality of devices can be selected for deployment in the particular machine-to-machine network based on the associated taxonomies, the subset of devices representing an instance of each one of the set of asset abstractions. The subset of devices are then automatically deployed to implement the instance of the particular machine-to-machine network.

Abstract: A power supply unit for an aerosol inhaler includes: a power supply able to discharge power to a load for generating an aerosol from an aerosol source; a first control device and a second control device which are configured to control at least one of charging and discharging of the power supply; a circuit board on which the first control device and the second control device are provided; a first capacitor which is provided on an input side of the first control device so as to be connected in parallel with the first control device; and a second capacitor which is provided on an input side of the second control device so as to be connected in parallel with the second control device, wherein a capacity of the first capacitor is different from a capacity of the second capacitor.

Abstract: Energy harvesting Internet of Things (IOT) devices are shown including configurations involving a persistent memory, microcontroller, and flat antenna for electromagnetic RF harvesting. In one embodiment, multiple cycles of energy harvesting are performed by an IOT device, where power harvested via the flat antenna is transferred to a power storage of the device such that when the power storage has an amount of power the microcontroller performs processing resulting in state data stored to persistent memory, then during an additional cycle or cycles of energy harvesting, the device completes a process resulting in a payload that is sent to an end node via wireless transmission. Additional energy harvesting may be provided via an energy harvesting input that provides device input and causes additional energy for harvesting. Configurations include ones where energy harvesting is performed by the device, based on capturing vocal energy from a human voice spoken to the device.

Abstract: Methods and devices are provided. One device includes an antenna, a microcontroller, and a power source. The power source configured to generate power in response to ambient energy received at a first frequency during a cycle of energy harvesting using the antenna. The power is transferred to a power storage cell such that when the power storage cell has an amount of power the microcontroller of the device processes at least a part of a processing task to be sent to an end node, and a result of processing of said at least said part of the processing task is stored. During one or more additional cycles of energy harvesting, using generated power to process one or more additional parts of the processing task to assemble a payload or process a wireless transmission of the payload. The wireless transmission of the payload is sent over a second frequency to the end node.

Abstract: Methods and devices are provided. One device includes persistent memory, a microcontroller and a power source configured to generate power in response to ambient energy received at a first frequency during a cycle of energy harvesting. The power is transferred to a power storage cell such that when the power storage cell has an amount of power the microcontroller performs processing. The microcontroller selects and runs code routines based on the power available and stores associated state data into the persistent memory. During one or more additional cycles of energy harvesting, the device uses the generated power to retrieve state data from persistent memory and continue processing. The processing is related to assembling a payload and to process a wireless transmission of a payload over a second frequency.

Abstract: An inductive power transmitter comprising: at least one power transmitting coil configured to generate an inductive power transfer (IPT) field; and an object detection system configured to detect objects in or adjacent a space occupied by the IPT field when generated; wherein the object detection system is configured to detect a receiver object based on a tag associated with the receiver object.

Abstract: An automatic analyzing apparatus includes a reagent depository, a wave radiator, a wave receiver, a switcher, and processing circuitry. The wave radiator sends a radio wave to a plurality of wireless tags. The wireless tags are comprised by respective reagent containers in the reagent depository or by respective reagent containers at a reagent retaining space. The wave receiver receives return radio waves from the wireless tags that have received the radio wave. The switcher changes a response state of one of the wireless tags. The processing circuitry specifies reagent information corresponding to the reagent container that comprises the response state-changed wireless tag, based on the return radio waves received before and after the response state is changed.

Abstract: An apparatus and method for desynchronizing notifications across multiple electronic devices are provided. The method includes receiving, by a primary electronic device, a notification, transmitting, by the primary electronic device, the notification to a companion electronic device with which the primary electronic device is synchronized, and desynchronizing a providing of the notification at the companion electronic device.