Abstract: Disclosed is a system for managing indoor positioning data of a site having a plurality of zones. The system comprises a plurality of sensors, forming at least one sensor network, operable to collect positioning data of the at least one communication device visiting the site and the plurality of sensors. The at least one sensor network comprises an exit point for forwarding the collected positioning data based on at least a pre-determined time and a status of the least one communication device. The system also comprises a processing unit having a positioning module for determining spatial position of the at least one communication device, a site-map module for calibrating installation positions for the plurality of sensors, a network configuration module for configuring the at least one sensor network to collect and forward the positioning data, and an analytics module for determining aggregated analytics data based on the determined spatial position.

Abstract: Systems and methods are provided that may be implemented to wake an information handling system from a reduced-powered state in response to a wireless signal wake-up event received from a wireless peripheral device. Non-operating system (OS) components and/or non-BIOS components of an information handling system may be optionally enabled to securely perform pre-OS operations to determine whether or not to wake other components (e.g., such as a system OS and/or system BIOS executing on a host processing device or embedded controller) of the information handling system from a reduced-powered state upon receipt of the wireless signal wake-up event.

Abstract: A system includes a wireless transceiver providing access to primary and secondary hotspot in-vehicle networks and a vehicle processor. The vehicle processor monitors data usage on the secondary hotspot network, and, responsive to the data usage exceeding a predefined data limit, throttles a data transfer rate of the secondary hotspot network in a predefined manner, while leaving the primary hotspot network unconstrained.

Abstract: An image forming apparatus for authenticating a portable terminal by near field wireless communication with the portable terminal includes an image forming portion configured to form an image on a sheet, and an operating portion configured to receive an operation by an operator. The operating portion includes a display panel capable of displaying information on image formation in response to authentication of the portable terminal and includes therein an antenna for establishing the near field wireless communication with the portable terminal. The display panel is capable of displaying a guide screen for guiding an operator so as to hold the portable terminal over the display panel.

Abstract: A system and method that extend the protections provided by the existing state-of-the-art to provide location-aware two-factor authentication for authenticating users of computer systems. There are many potential use cases where location-aware two-factor authentication could be of value. For instance, for purposes of access to critical business documentation, such as intellectual property, financial data, sales data for publicly traded companies, and personal medical information are all heavily protected information artifacts in most organizations. Providing controls to insure this information is only accessed in secure, trusted locations could greatly reduce the potential of inappropriate information access.

Abstract: The present disclosure provides for power conservation in truly wireless earbuds or other paired wireless devices, by switching a secondary device into a power save mode when the devices are not receiving traffic from the host. In this power-save mode the devices are put into a lower duty cycle than conventional configuration. The primary and secondary devices communicate over a backchannel communication link at a very low duty cycle, in some examples below lower bounds specified for standard communication with other devices. The primary earbud may be responsible for letting the secondary earbud know when to leave power-save mode and resume regular operation.

Abstract: A first terminal configured to operate in conjunction with a second terminal, the first terminal including: a sensor configured to obtain information corresponding to a motion of the first terminal; a communicator configured to receive information corresponding to a motion of the second terminal from the second terminal; and a controller configured to, in response to a distance between the first terminal and the second terminal being greater than or equal to a critical value, control the communicator to transmit a notification message to the second terminal based on the information corresponding to the motion of the first terminal and the information corresponding to the motion of the second terminal.

Abstract: Methods and apparatuses are presented to locate a wireless communication device. A target device may be out of range of a source device for normal ranging communications according to a first radio access technology (RAT), such as ultra wideband (UWB) communications. A source device may therefore modify communications according to the first RAT, to increase the transmit power, while removing the data payload. The target device may utilize the signal strength and angle of arrival of the modified communications to guide the user to move toward the source device, e.g., until the target device is within range to perform normal ranging communications. A second RAT, such as Bluetooth, may be used to communicate between the two devices while the target device is out of range of the first RAT. For example, the target device may use the second RAT to communicate to the source device to start/stop transmitting modified communications.

Abstract: In one example, a sink device includes a display unit, a mirroring unit to mirror a first display screen of a first source device and a second display screen of a second source device at the display unit via a wireless network, a communication interface unit to receive a first input indicating a selection of the first display screen and interpret the first input as a control command to dynamically establish a peer-to-peer connection between the sink device and the first source device via a short-range wireless network, and a control unit to control media content associated with the first source device via the short-range wireless network based on a first human interface device (HID) command received at the sink device.

Abstract: A proximity smart card including a card body, a first integrated circuit, a second integrated circuit, and a display element is provided. The first integrated circuit is disposed on the card body. The first integrated circuit is configured to receive a request command from the card reader, and output a first response command to the card reader. The second integrated circuit is disposed on the card body. The second integrated circuit is configured to receive the request command from the card reader, and delay an output of a second response command to the card reader. The display element is disposed on the card body. The second integrated circuit transmits to-be-displayed information to the display element. The display element displays an image according to the to-be-displayed information. In addition, a method for operating a proximity smart card is also provided.

Abstract: The present disclosure relates to a method and an apparatus for establishing a reconnection between devices by using Bluetooth low energy (LE). In particular, a method performed by a first device comprises the steps of: performing a reconnection parameter negotiation procedure with a second device; transmitting, via a channel determined on the basis of a result of the negotiation procedure, to the second device, a trigger sequence including at least one trigger codeword for requesting the reconnection; and receiving a beacon from the second device in response to the trigger sequence, wherein when the beacon is received, the reconnection between the first device and the second device may be established.

Abstract: Multiple electronic devices may be used together in a system. The electronic devices may use sensor measurements and other information to detect when an edge of a first electronic device is adjacent to an edge of a second electronic device. In response to detection of adjacency between the edges of the first and second devices, the devices may transition from an independent operating mode in which each device operates separately to a joint operating mode in which resources of the devices are shared. In the joint operating mode, images may extend across displays in the devices, speakers in the devices may be used to play different channels of an audio track, cameras and other sensors may be used in cooperation with each other, and other resources may be shared. Magnetic components may hold devices together in a variety of orientations.

Abstract: Provided are a smart mirror, a device and method for controlling a screen state of an electronic device, and a storage medium. The smart mirror includes: a radio frequency circuit, a screen, a memory and a processor; the processor is electrically connected to the radio frequency circuit, the screen and the memory respectively; at least one instruction executable by the processor is stored in the memory; and when the at least one instruction is executed by the processor, the processor is configured to: acquire a signal strength of at least one wireless signal detected by the radio frequency circuit; calculate a strength variation of the signal strength of the wireless signal relative to a reference signal strength of the wireless signal; and control the screen to be in an on state or an off state according to the strength variation.

Abstract: Methods for uplink-based zero activation force are performed by systems and devices. A touch instrument interfaces with a touch device, and includes antennas that receive communication signals from the touch device. The touch instrument also includes a processing circuit that is electrically coupled to the antennas. The processing circuit determines an orientation of the touch instrument with respect to the touch device. A distance between the touch device and the touch instrument is then determined based on the orientation and a communication signal from the touch device received by the antennas, and an activation command is generated when the distance indicates a touch/contact. The activation command, transmitted to the touch device, causes the touch device to perform an inking operation. When the distance determined indicates a hover, and not touching/contact, a deactivation command is generated. Distance is also determined based on touch instrument orientation.

Abstract: Provided in this disclosure is a wireless audio system including one or more wireless transmitters for receiving respective one or more audio signals from respective participants and transmitting the audio signals as one or more respective production quality wireless signals and as one or more respective Bluetooth wireless signals. A receiver is provided for receiving the production quality wireless signals from the participant(s) for subsequent processing. A personal mobile device is provided for receiving the respective Bluetooth wireless signal from the participant(s) and storing the respective Bluetooth wireless signals as retrievable playback sound files for subsequent personal playback by one or more of the participants on the personal mobile device.

Abstract: The present invention relates to a system for data transfer between a server and a respirator which comprises a source for breathing gas, and at least one interface to enable a data transfer, a device for determining data, a control unit, a memory, and a timer unit for specifying a system time. The respirator is configured to give the data a timestamp, to store them and to transfer them at a later point in time. The timestamp is designed so that it cannot be adjusted, or can only be adjusted to a limited extent to a tolerance window.

Abstract: An electronic device may use information about the location of nearby devices to make sharing with those devices more intuitive for a user. When two devices are pointed towards one another, each device may automatically present the option to share information with the other device. When a user wishes to share information with one or more devices in a group of users, an array of icons representing the nearby users may be positioned on the display according to the locations of the nearby users so that the sharing user can easily select which user he or she wishes to share with. A sharing user may broadcast a signal and nearby users may elect to receive the signal by pointing their devices towards the sharing user. A user of two devices may share information between the two devices and may use one device to manipulate the information on the other device.

Abstract: A wireless high-fidelity mesh network audio transmission system that establishes a mesh network of members devices for the transmission of an audio signal to a scalable quantity of listeners simultaneously with low latency, high definition, and individualized volume control.

Abstract: An apparatus and method for selecting devices within an Internet of Things (IoT) for connecting and disconnecting is disclosed. The method comprises selection of the one or more second devices by a user and providing selection input, for example by pushing the push button on the side of the watch. The user input is captured and a characteristic of the one or more second device is modified, which is transmitted as a signal of readiness for connecting to the first device. The signal is captured by the first device and the one or more selected second devices connect to the first device. Disconnection of the one or more second devices connected to the first device may be effected in a similar way by providing input, which modifies a characteristic of the second device. The modified characteristic is detectable by the first device to effect automatic disconnection.

Abstract: An information handling system includes a wireless management controller having a first wireless network interface used to establish a secure short-range wireless network connection between a management controller and a mobile device. A second wireless network interface establishes a peer-to-peer wireless network connection between the management controller and the mobile device. The management controller stores a secure shell public key received from the mobile device through the secure short-range wireless network connection. The management controller randomly identifies a port number for the peer-to-peer wireless network connection, and disables network traffic through other ports associated with the peer-to-peer wireless network connection.

Abstract: A vehicle management system includes: a vehicle including a control unit and a communication control unit; and a communication terminal configured to communicate with the vehicle. The communication terminal includes: an arithmetic processing unit configured to output an activation signal for activating the control unit when the communication terminal is turned on or when an application stored in the communication terminal is started; a communication unit configured to transmit the activation signal output by the arithmetic processing unit to the communication control unit; and a notification unit configured to notify a vehicle information output from the control unit activated in response to the activation signal.

Abstract: Provided are techniques for controlling message delivery corresponding to a near field communication (NFC) device, comprising establishing, on a mobile computing device, a rule-based session corresponding to a NFC device; executing an application, corresponding to the NFC device, in conjunction with the session; and responsive to detecting a condition meeting a criterion corresponding to the rule-based session, limiting execution of the application on the mobile computing device in conformity with the criterion.

Abstract: A locking and unlocking system includes: a mobile terminal; and a key unit, wherein the mobile terminal includes a terminal transmission unit configured to transmit first authentication information and a first request signal to the key unit, the key unit includes: a key unit reception unit configured to receive the first authentication information and the first request signal from the mobile terminal; a first authentication unit configured to perform authentication; and a locking and unlocking processing unit configured to perform a process of unlocking or locking the door, and the first authentication unit is configured to prohibit the authentication of the mobile terminal in a case where the first authentication unit has once performed the authentication.

Abstract: A BLUETOOTH communications method includes receiving a multi-BLUETOOTH-headset communication instruction from a user: when the user uses a terminal to perform audio transmission to a BLUETOOTH headset, determining that a quantity of BLUETOOTH headsets currently coupled to the terminal is greater than one, reading a BLUETOOTH headset working mode selected by the user, where the BLUETOOTH headset working mode includes an exclusive mode and a non-exclusive mode, creating a headset tag object for a specified BLUETOOTH headset, establishing a communications link with the specified BLUETOOTH headset when the user selects the exclusive mode, and separately creating, by the terminal, a headset tag object for all BLUETOOTH headsets, separately establishing a communications link with all the BLUETOOTH headsets, and simultaneously communicating, using BLUETOOTH, with more than one BLUETOOTH headset selected by the user when the user selects the non-exclusive mode.

Abstract: A method of direction finding (DF) positioning based on a simplified antenna platform format in a wireless communication network is proposed. A receiver receives antenna platform format information of a transmitter having multiple antenna elements. The antenna platform format information comprises an antenna platform format indicator, antenna platform position and orientation information, a number of antenna elements, and switching delay, phase center, and polarization information for each antenna element. The receiver receives a plurality of direction finding sounding signals transmitted from the transmitter via the multiple antenna elements. The receiver performs a DF algorithm based on the plurality of DF sounding signals and the antenna platform format information and thereby estimating a DF solution. Finally, the receiver determines its own location information based on the estimated DF solution.

Abstract: Approaches, techniques, and mechanisms are disclosed for provisioning wireless device profiles of a wireless computing device. In this context, a wireless device profile generally may comprise one or more network and device settings including network identifiers, network security types, network keys, and other configuration information that enables a computing device to connect to a particular wireless computer network. According one embodiment, a computer-implemented method comprises establishing, with a first device, a first wireless connection of a first wireless connection type; receiving, from the first device via the first wireless connection, provisioning data for establishing, with a second device, a second wireless connection of a second wireless connection type that is different than the first wireless connection type; establishing, based on the provisioning data, the second wireless connection with the second device.

Abstract: Technologies directed to a process of establishing a wireless connection between two devices with out-of-band transport assistance are described herein. In one method, a first device scans for a first message via a first radio. The first message includes information that a second device is using either a first or a second set of frequencies of a page hopping sequence. The first device repeatedly sends, via a second radio, a second message according to only the first or second set specified in the first message. The first device receives, via the second radio at a first frequency of the first or second set, a third message from the second device, via the second radio at the first frequency, a third message comprising additional information that establishes the wireless connection between the first device and the second device via the second radio.

Abstract: A primary assembly, a positioning system and a method for determining a distance between a primary assembly and a secondary assembly are disclosed. In an embodiment, a primary assembly for a wireless power transmission system includes a first antenna and a second antenna, wherein the first antenna is configured to determine a distance between the first antenna and a circuit component of a secondary assembly for the wireless power transmission system, and wherein the second antenna is configured to determine a distance between the second antenna and the circuit component of the secondary assembly.

Abstract: A host device can establish a verified session with a wearable device. The host device can determine whether the verified session is in progress. In accordance with a determination that the verified session is in progress, the host device can provide a user interface to request confirmation that the identifier is to be provided to the wearable device. The host device can receive an input at the user interface and, in accordance with a determination that the input indicates a confirmation that the identifier is to be provided to the wearable device, the host can identify a user identifier to provide to the wearable device, and transmit the user identifier to the wearable device.

Abstract: Systems and methods for device handshaking are described. Embodiments for client device and associated wearable device initiated handshaking are described. In certain embodiments, a device such as wearable camera eyeglasses having both high-speed wireless circuitry and low-power wireless circuitry communicates with a client device. The low-power wireless circuitry is used for signaling and to manage power on handshaking for the high-speed circuitry in order to reduce power consumption. An analysis of a high-speed connection status may be performed by a client device, and used to conserve power at the glasses with signaling from the client device to indicate when the high-speed circuitry of the glasses should be powered on.

Abstract: Two devices (e.g., two wireless Bluetooth earbuds) may exchange device address information (e.g., Bluetooth address information) and may identify a primary address. When either of the devices connect to a source device (e.g., a phone), the primary address may be used by the connecting device such that the pair of devices appear as a single device (e.g., a Bluetooth-pairable device) to the source device, regardless of the device connecting to the source device as the primary device. The primary device may then send identity information (e.g., that has been exchanged with the secondary device) to the source device, such that the source device may connect to either of the two devices. Further, once a primary device connects to the source device, the primary device may transmit, to the secondary device, connection information such that the secondary device may connect to the source device and operate in the primary role.

Abstract: Disclosed in the present invention is a method for provisioning a mesh network, the provisioning method comprising: a mobile terminal scans one or more mesh devices within a preset distance range thereof; the mobile terminal communicatively connects with the one or more mesh devices and sends mesh network configuration information to the one or more mesh devices, and the one or more mesh devices completes the provisioning. In the present invention, the mobile terminal can directly input mesh network configuration information and implement mesh provisioning for a plurality of mesh devices or all the mesh devices in the communication range thereof through Bluetooth; the speed is high, operation is simple, and efficiency is high.

Abstract: Disclosed is a wireless connection method carried out by a network device in a mesh basic service set (MBSS) including N mesh gates. The method includes: when the network device is not one of the N mesh gates and not connected with any of them, allowing the network device to connect with a gate candidate peer in the MBSS and forbidding the network device to connect with a non-gate candidate peer in the MBSS, wherein the gate candidate peer announces that it is or connects with one of the N mesh gates while the non-gate candidate peer does not announce the same thing; and when the network device is one of the N mesh gates or connected with any of them, allowing the network device to connect with any of the gate candidate peer and the non-gate candidate peer.

Abstract: A system includes a communication module configured to establish a first secure communications link with a portable device and a second secure communications link with a contactless smartcard. The contactless smartcard includes a unique identification (ID). A memory module configured to store information associated with the portable device and the contactless smartcard. A temporary key module configured to store the ID of the contactless smartcard and vehicle operation limitations associated with the ID of the contactless smartcard in the memory module. An authentication module configured to (i) authenticate the portable device and (ii) authenticate the contactless smartcard. A passive entry/passive start (PEPS) module configured to receive authentication of at least (i) the portable device or (ii) the contactless smartcard from the authentication module, and perform a vehicle operation based on at least (i) the received authentication and (ii) the vehicle operation limitations stored in the memory module.

Abstract: A helmet for communicating with a vehicle function controller and method for operating the same has a first memory, a first transmitter, a first receiver and a first controller in communication with the first memory, the first transmitter and the first receiver. The first receiver receives a plurality of vehicle function settings. The first memory stores the vehicle function settings within a memory of the helmet. The first transmitter communicates the vehicle function settings from the first memory to the vehicle function controller.

Abstract: An integrated circuit is disclosed. The integrated circuit includes a set of transceivers comprising a plurality of transceivers, all configured to transmit in the same transmit frequency band and receive in the same receive frequency band. Furthermore, the integrated circuit has a set of frequency synthesizers including a separate frequency synthesizer associated with each transceiver in the set of transceivers, wherein each frequency synthesizer in the set is configured to generate a local-oscillator (LO) signal to its associated transceiver. Moreover, the integrated circuit includes a control circuit configured to control the set of frequency synthesizers such that nearest neighbors in the set of frequency synthesizers generate LO signals at different frequencies (f1, f2, f3, f4).

Abstract: Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Other devices may be configured wirelessly, without need of any USB connection or SD card. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.

Abstract: A method, apparatus and computer program product are provided for connecting to a node of a mesh network. A method is provided for causing transmission of an advertisement message comprising connectivity characteristics for a joining node and receiving a connection opening indication from a first node of a plurality of nodes in a mesh network. The connection opening indication is based on first node of the plurality of nodes satisfying the connection characteristic and the connection opening indication is also based on the respective connection characteristics or performance metrics of the plurality of nodes. The method also includes causing an establishment of a connection between the joining node and the first node of the plurality of nodes.

Abstract: Methods and apparatus are provided for obtaining a service is provided. Information about an external device is received at a terminal from the external device. It is determined whether the external device has been registered based on the information about the external device. Service information associated with the external device is provided when at least the external device has been registered.

Abstract: The present application discloses a method and a device for vehicle security communication, a vehicle multimedia system, and a vehicle. The method applied to a security chip comprises: receiving a control instruction from a network system when the network system is connected, wherein the control instruction includes encrypted control data; decrypting the encrypted control data in the control instruction; obtaining the decrypted control data when the decryption is successful; and transmitting the decrypted control data to the vehicle body system to make the vehicle body system control the vehicle to perform a target operation according to the decrypted control data.

Abstract: Enhance authentication techniques may include receiving credential data of a secondary device by a primary device, generating a cryptogram using the credential data of the secondary device, and transmitting the cryptogram to an access device to request for authorization to use an account associated with a user of the primary device. The authorization can be granted based on verification of the cryptogram and an interaction activity pattern of interactions between the primary device and a set of communication devices including the secondary device.

Abstract: Systems, devices, and methods of wirelessly communicatively coupling a wearable computing device to a host computing device are disclosed. The wearable computing device transmits a first advertisement packet via a first personal area network and a second advertisement packet via a second personal area network. The wearable computing device receives a response to one of the first advertisement packet and the second advertisement packet. Based on the response, the wearable computing device selects one of a first coupling procedure and a second coupling procedure to perform. The wearable computing device performs the selected coupling procedure with the host computing device.

Abstract: Provided is a method for operating two hearing devices. The method includes establishing a first bi-directional wireless connection between a primary hearing device and a wireless communication device over a first wireless link, eavesdropping on the first wireless link, by a secondary hearing device, over a second wireless link between the wireless communication device and the secondary hearing device, and establishing a second bi-directional wireless connection between the primary hearing device and the secondary hearing device over a third wireless link. The method further includes monitoring the link quality of the first wireless link and/or the second wireless link, and assigning to either the secondary hearing device or the primary hearing device the role of transmitting audio-related packets towards the wireless communication device, based on the quality of at least one of the first wireless link or the second wireless link. An audio communication system is also provided.

Abstract: A portable communication device is provided. A communication connection is established with a first external device. A telephone call function using is deactivated, based at least in part on a determination that the portable communication device is communicatively coupled with the first external device and that a cellular communication circuitry of the first external device is available. While the telephone call function is deactivated, a telephone call is performed with respect to a second external device using the communication connection and a cellular communication between the first external device and the second external device. The cellular communication is established via the cellular communication circuitry of the first external device.

Abstract: A method for maintaining anterior chamber intraoperative intraocular pressure (IOP) is provided by receiving and/or detecting variables of a surgical system and utilizing those variables to monitor intraoperative IOP. Determining an IOP in real time during a surgical procedure either provides a notification to an eye surgeon or allows a target IOP of the anterior chamber of a patient's eye to be set and maintained.

Abstract: This disclosure presents systems and methods to provide wireless communication between computing platforms and wearable articles. Exemplary implementations may: obtain wireless communication signals from a first wearable article and detect presence of the first wearable article; obtain wireless communication signals from the first wearable article conveying article information identifying the first wearable article and/or a user; identify customizable attributes of one or more application programs; determine custom-defined values for the customizable attributes; effectuate the custom-defined values for the customizable attributes of one or more application programs such that the one or more application programs reflect the custom-defined values; and/or perform other operations.

Abstract: Disclosed herein are systems and methods for notifying users regarding a status of various tracked items. A method for generating notifications comprises upon a motion detector indicating that a reader has moved from a still position to a moving position and has a motion attribute that satisfies a threshold, scanning to determine if a tracking device is within a range from the reader, wherein the tracking device uses at least one short-range wireless communication protocol to communicate an indication regarding whether the tracking device is within the range from the reader, the tracking device having a unique identifier, the tracking device further being associated with an item, wherein the reader uses at least one short-range wireless communication protocol to communicate with the tracking device, and wherein when the reader determines that the tracking device is not within the range from the reader, a notification identifying the item is transmitted.

Abstract: A method is disclosed of constructing a wake-up signal for waking up one or more of a plurality of wireless communication receivers, wherein each of the plurality of wireless communication receivers is adapted to receive in accordance with respective standard. The method comprises selecting a collection of sequences of symbols and dividing the collection of sequences into a plurality of groups, wherein all sequences of a group comprise a same first set of symbols. The method also comprises selecting one of the groups, and letting the first set of symbols of the selected group indicate one or more standards corresponding to the one or more of the wireless communication receivers to be woken up. The wake-up signal is then constructed based on a sequence of symbols of the selected group. The sequences of symbols of the collection may be of different lengths and the selected group may comprise sequences of symbols of different lengths.

Abstract: A method of dynamically changing a mode of advertising for at least one of a multiple of access controls, including transmitting advertisements from an access control at a nominal mode; and changing the nominal mode in response to a pre-set schedule.

Abstract: An industrial cellular modem includes a radio module powered by a battery, a battery voltage sensor, a transmitted power meter, and a temperature sensor, and a processor having a memory for executing program instructions for a method of dynamic low battery voltage threshold (LBVT) control. A current battery voltage is compared to a current LBVT (CLBVT), and the modem is turned on and a cellular data session begun with a host server if the current voltage is ? the CLBVT, or if the current battery voltage is < the CLBVT and a value of the CLBVT is the same as in a previous cellular data session. Based on whether the current cellular session failed due to the battery voltage falling below the CLBVT, the value of the CLBVT is changed based on a current temperature, a received signal strength for a successful session, or a current transmit power.