Abstract: The present invention relates to a system and method for improving directed connectable advertising in a low energy Bluetooth device. The host on the Bluetooth device configures an advertisement interval length, an advertisement window length, and a number of attempts. The advertisement window length is equal to or shorter than the advertisement interval length, which may be less than 1.28 seconds. Next, advertising packets are transmitted for the length of the advertising window on three advertising channels. Packets are transmitted consecutively, with no more than a 3.75 millisecond delay between packets, until the end of the advertisements window. After transmitting, a link layer of the Bluetooth device decrements the number of attempts. Once all attempts have been exhausted, the advertisements end. Otherwise, the link layer waits for the end of the advertisement interval.

Abstract: The present invention relates to a system and method for improving scanning in a low energy Bluetooth device. The host configures a scan interval length, and a scan window length. The scan window length is equal to or shorter than the scan interval length. Next, a link layer initiates a scan interval, and also generates a random delay. The random delay may be anywhere between zero and the difference between the scan window length and the scan interval length. The link layer waits for the delay to complete before scanning is performed by the transceiver. The transceiver scans for the duration of the scan window. After scanning, the system waits for the end of the scan interval before the link layer generates a subsequent randomized delay and the transceiver again scans for the duration o the scan window. This process may continue indefinitely until a connection is established. In some embodiments, the scan window may be subdivided into a number of sub-windows, each preceded by a randomized delay.

Abstract: A communication method for a Bluetooth device in a scatternet which may include several piconets is proposed. The method includes transmitting data to a peer device in the first piconet, determining whether there is any buffered data to be transmitted to the peer device in the first piconet, and switching from the first piconet to the next piconet to transmit data to a peer device in the second piconet according to the determination result.

Abstract: Provided is a method for forming a Wi-Fi Peer-to-Peer (P2P) group using Wi-Fi Direct. The method includes acquiring device information of other P2P device corresponding to a connection target by P2P devices that will form a Wi-Fi P2P group; checking a type of the other P2P devices based on the acquired device information; adjusting an intent value of a P2P device depending on the checked type of the other P2P devices; and forming a Wi-Fi P2P group based on the adjusted intent values of the P2P devices.

Abstract: A dynamic spectrum access method for cooperative wireless devices. In one example, a method of establishing a wireless network includes scanning and analyzing a selected frequency band to detect non-cooperative signals within the selected frequency band, determining whether a waveform including one or more radio frequency (RF) carriers and a plurality of intermodulation tones (for multi-carrier waveforms) can be placed within the selected frequency band without interfering with any detected non-cooperative signals, and selecting transmit frequencies for the plurality of RF carriers responsive to obtaining a non-interfering waveform placement solution.

Abstract: A method for obtaining multiple path loss parameters by a user equipment (UE) is described. A radio resource control (RRC) signaling message is received from a serving eNode B. A first transmit power corresponding to a first reference signal is obtained from the RRC signaling message. A second transmit power corresponding to a second reference signal is obtained from the RRC signaling message. A first path loss parameter is calculated using the first transmit power. A second path loss parameter is calculated using the second transmit power.

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for verification signaling, for example, in wireless communications in a television white space (TVWS) network.

Abstract: System and method for calculating a transmitter beamforming vector related to a channel vector h under per-antenna power constraints combined with total power constraint, under per-antenna power constraints combined with overall line of site (LOS) effective isotropic radiated power (EIRP) and under all three constraints. Calculating a transmitter beamforming vector may be done in the transmitter, in the receiver and feedback to the transmitter or in both. The method may be adapted to perform with a multi-antenna receiver and with multi-carrier systems.

Abstract: A method, antenna switching integrated circuit (IC), and communications device that connect a transmitter to a selected antenna to propagate at least one transmission signal to the selected one of at least two antennas, based on feedback information associated with one or more antennas. An antenna tuning and switching (ATS) controller receives feedback information about a current status of an antenna tuner, wherein the current status of the antenna tuner is either locked or unlocked. In response to the current status of the antenna tuner being in a locked state, the ATS controller triggers an antenna selection switch to connect the antenna (that is associated with the antenna tuner) to the transmitter in order to propagate the transmission signal(s) from the transmitter to the antenna. If the antenna tuner is in an unlocked state, the ATS controller selects a different antenna that is not associated with an antenna tuner.

Abstract: A wireless communication device according to the present invention includes high-frequency circuits 20 to 22 that convert an input signal into a high-frequency signal; a power detection circuit 40 that detects power of the high-frequency signal output from the high-frequency circuits 20 to 22; a common correction circuit 12 that performs a common correction on the signal output to the high-frequency circuits 20 to 22 to reduce local leaks occurring in the high-frequency circuits 20 to 22, according to the power of at least one high-frequency signal detected by the power detection unit 40; and an individual correction circuit 11 that performs a correction for each signal output to the high-frequency circuits 20 to 22 to reduce local leaks occurring in the high-frequency circuits 20 to 22, according to the power of each high-frequency signal detected by the power detection unit 40.

Abstract: An integrated circuit is described. The integrated circuit includes a global positioning system core that generates a GPS clock signal using an inductor-capacitor voltage controlled oscillator. The integrated circuit also includes a transceiver core configured to use the GPS clock signal. The transceiver core may not include a voltage controlled oscillator.

Abstract: An apparatus and a method for reading a phase-change memory cell are described. A circuit includes a current ramp circuit. A current forcing module is coupled with the current ramp circuit. A Veb emulation circuit is coupled with the current forcing module by a voltage adder, the voltage adder to sum an output from the Veb emulation circuit and a high impedance voltage source. A method includes forcing a current ramp into both a bitline and a dummy bitline, the dummy bitline having a voltage. The method also includes tripping a comparator when the current ramp provides a storage voltage with a predefined value, the storage voltage associated with the phase-change memory cell, and the predefined value independent from a resistance value of the phase-change memory cell and added in series to the voltage of the dummy bitline.

Abstract: A first output device has a first port, a second port, and a third port, and outputs from the second port a transmission signal supplied to the first port. A second output device has the same ports as those of the first output device, outputs from the second port the transmission signal supplied to the first port from the first output device, and outputs from the third port a reflected wave supplied to the second port from an antenna. A phase shifter inverts a phase of a signal output from the third port of the first output device. An adder adds a signal output from the third port of the second output device and a signal output from the phase shifter.

Abstract: In accordance with some embodiments of the present disclosure, a circuit comprises a balun configured to receive a radio frequency (RF) signal at a first input port and a second input port of an input coil. The balun is further configured to output the RF signal at an output coil communicatively coupled to the input coil. The circuit also comprises a supply voltage selector circuit coupled to the input coil and configured to adjust a bias voltage at the input coil according to a power level of the RF signal received at the input coil.

Abstract: A distortion compensation device includes: a frequency-characteristic adding unit configured to add a frequency characteristic to an error signal to generate an added error signal, the error signal being a difference between an input signal input to an amplifier and an output signal output from the amplifier; a distortion-compensation-coefficient updating unit configured to update a distortion compensation coefficient for compensating for a distortion characteristic of the amplifier based on the added error signal; and a distortion compensation unit configured to perform distortion compensation on the input signal using the updated distortion compensation coefficient.

Abstract: A method is disclosed for calculating a distance to objects or a nearest object to a wireless enabled device. The method includes the steps of broadcasting a signal by the wireless enabled device to data tags, receiving by the data tags the signal by the wireless enabled device, and obtaining by each of the data tags a signal strength indicator of the wireless enabled device based on the signal from the wireless enabled device. Each of the data tags in a range transmits a signal to the wireless enabled device including the signal strength indicator of the wireless enabled device. Each signal strength indicator of the wireless enabled device is communicated to a positioning and communication system.

Abstract: The present invention discloses a multi-mode full frequency band radio frequency transmission device comprising a radio frequency switch chip positioned in the latter stage of the radio frequency main amplifier chip and configured to integrate all solid switch elements. Each of the solid switch elements comprises a transfer switch used when values of a variable capacitor and a variable inductor are controlled. The variable capacitor and the variable inductor are configured to control values of passive elements in an input switch matching circuit/output switch matching circuit to implement a single input/output matching circuit. The present invention further discloses a multi-mode full frequency band radio frequency transmission method comprising controlling values of passive elements in an input switch matching circuit/output switch matching circuit through the variable capacitor and the variable inductor to implement a single input/output matching circuit.

Abstract: The electronic circuit includes: a micro controller unit; a timer operable to measure a standby time of the micro controller unit; a buffer circuit connected with an output-signal terminal of the timer; a logic circuit controlled by an output signal of the timer and an output signal of the micro controller unit; and a power-on switch controlled by the logic circuit. The buffer circuit has no protection diode connected with an input terminal thereof on a power-source side, and connected to a common power source shared with the micro controller unit. The switch is one for controlling the power source of the micro controller unit and buffer circuit. The micro controller unit is made to transition to an active state to either a standby state or a power-source cutoff state during the standby time.

Abstract: In accordance with some embodiments of the present disclosure an attenuating circuit comprises a balun configured to receive a radio frequency (RF) signal at first and second input ports and configured to output the RF signal. The circuit further comprises an attenuator coupled in parallel with the first and second input ports. A power level of the RF signal output by the balun is based at least partially on an impedance of the attenuator. The attenuator comprises a resistor ladder configured to receive at least a portion of the RF signal and a plurality of switches coupled to the resistor ladder. The plurality of switches are configured to open and close such that the impedance of the attenuator is a function of which switches are open and closed. Therefore, the power of the RF signal is controlled based at least on the opening and closing of the switches.

Abstract: A method and an apparatus are provided for setting a cut-off frequency of an analog filter of a reception device for wireless communication. A deviation value is obtained that corresponds to an error between a first gain value based on an ideal transfer function curve and a second gain value based on a measured transfer function curve at an arbitrary frequency of a frequency band in which a constant interval is maintained between a slope of the ideal transfer function curve and a slope of the measured transfer function curve. A cut-off frequency that is used to measure the measured transfer function curve in a real environment, is corrected based on the obtained deviation value.

Abstract: A process of estimating an admittance of an RF component using a ladder network with alternating series and parallel components by making three VSWR measurements and computing three admittance circle solutions in the complex admittance plane. The admittances circles are transformed through reference planes of the ladder network to obtain three RF component admittance circles, then estimating the RF component admittance using three nearest intersections of the three RF component admittance circles. Reference planes are defined immediately upstream and immediately downstream of each component of the ladder network. The transforms are performed using lumped parameter models of the series and parallel components of the ladder network.

Abstract: An exemplary method comprises positioning a first antenna to receive a first signal from a second antenna, the second antenna comprising energy absorbing material that functions to expand beamwidth, receiving the first signal from the second antenna, detecting a plurality of gains based on the first signal, repositioning the first antenna relative to the second antenna to a position associated with an acceptable gain based on the first signal, removing at least some of the energy absorbing material from the second antenna to narrow the beamwidth of the second antenna, receiving, by the first antenna, a second signal from the second antenna, detecting a plurality of gains based on the second signal, and repositioning the first antenna relative to the second antenna to a position associated with an increased gain of the plurality of gains based on the second signal, the increased gain being greater than the acceptable gain.

Abstract: A circuit for a front-end tunable filter of a communication and broadcast receiver and a tuning method thereof are described herein. In one aspect, the circuit of the tunable filter may be independent of the signal reception link of the receiver. The pre-filter (104) includes a variable capacitance (146) which is adjusted by a tuning signal (160). A negative resistance element (144) and the pre-filter (104) may form an oscillator. The negative resistance element (144) is controlled by an amplitude control signal (162) outputted from an oscillation amplitude control circuit (142). The oscillation amplitude control circuit (142) stabilizes the amplitude of a radio frequency signal (130) in a preset range. An oscillation frequency control circuit (140) stabilizes the frequency of the signal (130) in a preset frequency range by a tuning signal (160). The tuning is completed until both of the amplitude and the frequency of the oscillation signal meet the preset ranges.

Abstract: Smartphones have increasingly been used for individual and collective protection, despite the lack of specialized methods and solutions capable of extracting all the hidden potential of the junction of hardware, software and people. Effectively having those devices as instruments for triggering and coordinating individual and collective reactions to crises and threats requires a practical and integrated design, whereas different aspects must be considered. The present invention allows a smartphone user to easily and properly share his status during distress situations with people who can better help him contextually and reliably.

Abstract: A system and a method that employs Extended Access Barring (EAB) when a Machine Type Communication (MTC) device performs an attempt to access an evolved Node B (eNB) in a wireless communication system are provided. When User Equipment (UE) supporting MTC, an MTC device, performs an attempt to access a network, the system and method determines whether it can access the network and performs the access procedure. The system and method can control the operations of UE that performs an attempt to access a network, thereby preventing excessive access.

Abstract: If an LTE base station (10-1) transmits an Earthquake and Tsunami Warning System (ETWS) signal from a core network (30) to mobile terminals (40), the LTE base station (10-1) determines that conditions are satisfied in which the traffic volume between the mobile terminals (40) is predicted to be at least a first predetermined value, adjusts the real amount of available wireless resources, and obtains an amount of available wireless resources after said adjustment. Additionally, the LTE base station (10-1) transmits a resource status response message, including the amount of available wireless resources after adjustment, to an adjacent LTE base station (10-2).

Abstract: A hybrid emergency call system that includes a single, third party entity for receiving voice and data signals from a remote location, such as a motor vehicle, deciphering information from the signals, such as the location of the originator of the signals and the nature of the emergency, and based upon at least the location of the originator of the signals, selecting the most appropriate answering unit of the public emergency service such that the deciphered information can be relayed to the public emergency services unit in the preferred form and language of the public emergency services unit using telecommunications and web-interface tools. Subsequently, direct telephonic communication may be established between the motorist and the public emergency services unit.

Abstract: An notification and tracking system for a mobile device. The system includes a mobile device application that is adapted to be stored in memory on the mobile device. The application, upon activation, determines the GPS coordinates of the mobile device, records digital images over a period of time, sends a preset message from the mobile device to at least one recipient, preferably an emergency responder, such as a security monitoring station, and sends the GPS coordinates and the digital images. The coordinates and images may be sent to a remote server for storage and which can be accessed by the emergency responder. The coordinates and images are periodically updated and sent while the program is activated.

Abstract: Technologies are generally described for usage recommendation for mobile device. In some examples, a method performed under control of a mobile device includes determining whether to recommend using a right ear or a left ear of a user of the mobile device based at least in part on usage information of the right ear and the left ear and notifying the determination of whether to use the right ear or the left ear to the user.

Abstract: A mechanism is disclosed for managing phone calls on phone devices used by the employee of a company. When the user wants to give a call, a new plugin in the phone device interprets an attribute value added by the phone device user to each phone number in order to categorize the call. The cell phone user enters a profile describing his call accounting information. A call management plugin computes a prefix for user personal calls which will be adapted to the user location. The call management plugin at the end of the call tags the call information as a personal call or business call. The phone device sends the tagged call information to a remote server of the company, which consolidates billing information received from the phone operators with the tagged call information.

Abstract: According to aspects of the present invention there are provided methods and apparatus for detecting a suspect wireless access point in a communication network including a plurality of wireless access points providing access services to client devices. Identity information associated with the wireless access points is collected from a multiplicity of client devices. A reputation request is received from a client device, the request including identity information of an available wireless access point. The received identity information is compared with the collected identity information for determining an indication of trust of the available wireless access point. The indication of trust of the available wireless access point is transmitted to the client device. The wireless access points may include a cellular wireless access point or base station, wireless access point, a Wi-Fi access point, or a femto-cell access point.

Abstract: Methods, systems and devices for controlling access to messaging (SMS, MMS, email, etc.) on mobile devices (e.g., cell phones) during times or in locations in which such activity is prohibited or inhibited by the parental control settings. Parental control settings limit messaging features available to mobile devices to certain times and/or locations. Messages received at restricted times/locations are stored in temporary memory without notifying the mobile device user (i.e., messages are not placed in the inbox), unless the message is received from a pre-approved source (e.g., parent, teachers, etc.). Once the context for restricting access to messaging (e.g., time, location, etc.) no longer applies, the stored messages may be transferred from the temporary memory to the inbox and the user may be alerted regarding the new message.

Abstract: Improved systems and techniques for controlling access to network resources. A base station broadcasts extended access barring (EAB) and access class barring (ACB) information. Upon a determination by a user equipment that the user equipment requires service from the base station, the user equipment determines its EAB category and call type. The user equipment receives the EAB and ACB information broadcast by the base station and determines if it is subject to EAB based on its EAB category. If the user equipment is not subject to EAB, the user equipment determines if its call type is subject to ACB and, if the call type is subject to ACB, applies access class barring based on its call type.

Abstract: A method and apparatus are provided for biometric authentication of a user to be authenticated, from among a plurality of users, with an authentication system storing a set of pieces of reference biometric data, each associated with one of the users. The method includes providing, by the user to be authenticated, a piece of biometric authentication data by a device for obtaining biometric data from a transactional terminal. A subset of the set of pieces of reference biometric data stored by the authentication system is searched for a piece of reference biometric data corresponding to the user to be authenticated as a function of the piece of biometric authentication data. The step of searching includes filtering the pieces of reference biometric data as a function of: a base station of a mobile communications network; and a set of mobile devices for which a connection indicator is activated for the base station. The transactional terminal is substantially near a zone of coverage of the base station.

Abstract: A method for validating integrity of a mobile communication device includes provisioning the mobile communication device by deleting existing software and installing an integrity verification application. The method also includes establishing a first pass indicator and a second pass indicator including receiving a first instance of the first pass indicator. The method also includes receiving a second instance of the first pass indicator as a challenge for verification. In response to receiving the second instance of the first pass indicator, the second pass indicator may be displayed as an indication of the integrity.

Abstract: A network element (130, 330), for providing access control to a core network (120) of a cellular communication network (100) for a wireless communication unit (150) operating within a communication cell supported by the network element (130, 330), comprises a receiver for receiving a message (425) from the wireless communication unit (150) comprising identity information. The network element further comprises logic (160), operably coupled to the receiver, for determining whether to permit the mobile communication unit (150) access to the core network (120), based at least in part on the received identity information.

Abstract: Methods and apparatus to send voice messages are disclosed. One example method includes recording a voice message using a mobile communication device; and receiving at the mobile communication device a specification of a communication from a remote device different from the mobile communication device, wherein receipt of the communication triggers sending of the voice message. Other examples are disclosed and claimed.

Abstract: Users are experiencing an increasing number of alerts and notifications on their mobile devices. When it is inconvenient or not possible to view the network-connected device, an accessory can be used to save time and avoid missing notifications. A system comprising a network-connected device and an accessory are provided to address these problems. The accessory is capable of notifying the user of alerts from the network-connected device, allowing the user to quickly be advised of alerts without needing to first interact with the network-connected device. The system includes a method to selectively filter alerts so as to avoid unnecessarily interrupting the user in cases where the network device is inaccessible. The system is also capable of pushing new interface designs and themes from the network device to the accessory to alter the appearance and configuration of its display.

Abstract: In one embodiment, a method comprising receiving at a mobile device plural user inputs entered at a user interface of the mobile device, the inputs comprising a text message or a recorded voice message of a user that indicates a manner of generating a custom voice alarm; sending a request to a server device based on the user inputs, the request configured to cause the server device to convert the request into the custom voice alarm; receiving the custom voice alarm at the mobile device; and triggering activation of the custom voice alarm at the mobile device based on user selection of a triggering event.

Abstract: Method and system for group communication across electronic mail users and feature phone users. A method for receiving electronic mails on a feature phone includes receiving a text message on the feature phone in response to a first electronic mail. The method also includes calling a telephonic number embedded in the text message to listen to an audio clip of the first electronic mail and providing a voice input as a response to the first electronic mail. The system includes a feature phone that receives a plurality of electronic mails. The system also includes one or more electronic devices, and a communication interface in electronic communication with the feature phone and the one or more electronic devices. The system further includes a memory that stores instructions, and a processor responsive to the instructions to receive a text message in response to an electronic mail transmitted by an electronic mail user.

Abstract: Methods and apparatus to send voice messages are disclosed. One example method includes receiving a selection of a service from a plurality of services; determining whether the selected service supports sending a voice message; recording the voice message using a mobile communication device; sending the voice message from the mobile communication device using the selected service if the selected service supports sending the voice message.

Abstract: A voicemail system includes a memory and a processor. The memory can store data relating to one or more users. An incoming communication can be handled by the voicemail system and provided with functionality based upon a user's preferences, for example. The voicemail system can include functionality to allow a user to convert a voicemail message to a desired format and forward voicemail message, for example as a file, to one or more designated destinations. Methods for forwarding one or messages are also disclosed.

Abstract: An apparatus and method for providing a mobile personal assistant are provided. The method includes receiving a telephone call at a mobile terminal, determining whether a user of the mobile terminal is available to take the call based on a current context of the mobile terminal; and when the user of the mobile terminal is not available to take the call, handling the call by a mobile personal assistant on behalf of the user.

Abstract: An apparatus and a method in a wireless device provide for reestablishing a dropped call, wherein a wireless device determines a wireless device callback priority, wherein the wireless device callback priority is relative to a second communication device callback priority associated with a second communication device, wherein the wireless device and the second communication device are established in a communication session. A dropped call between the wireless device and the second communication device is detected. In response to detecting the dropped call, and the wireless device callback priority being higher than the second communication device callback priority, the wireless device calls back the second communication device. If, during the calling back, a match between a callback identifier and an incoming caller identifier of an incoming call is detected, the calling back is terminated, and the incoming call is answered.

Abstract: Disclosed are a bidirectional information sharing system and a method using a wireless data network that can improve convenience of use by setting notification information regarding specific days which is set to replace sharing information of an unspecified third party that places a call and output the sharing information to output the notification information regarding specified days on the screen when receiving a call of the unspecified third party and input the feelings or inquiries of a user using the mobile phone sharing information of the user to allow the called party to previously know the corresponding contents before a telephone conversation at the time of call connection, and change and set sharing information so as to officially inform only close acquaintances of a relationship status of lovers or the like rather than informing unspecified individuals, in particular, inform or introduce acquaintances of the called party of relationship status.

Abstract: A device for receiving and transmitting information in a mobile communication network includes apparatus for making a voice call to a telephone number, a memory area for storing the telephone number and at least one identifier of the mobile network operator to which the telephone number belongs. The device further includes the ability to retrieve the identifier through the mobile communication network. The device can extract the network operator identifier of the called number from a message sent automatically when setting up the voice call. The invention also relates to a communication method for a mobile communication network.

Abstract: A method begins by a processing module obtaining a set of identifiers (IDs) corresponding to a set of user devices, wherein each user device of the set of user devices is associated with a corresponding safety status level. For each identifier (ID) of the set of IDs, the method continues with the processing module generating a safety status request that includes the ID, outputting the safety status request to a user device of the set of user devices that corresponds to the ID, receiving a safety status response of a set of safety status responses, wherein the safety status response includes a corresponding safety status level of one user device of the set of user devices, and indicating the safety status level of the safety status response when an ID of the safety status response compares favorably to at least one ID of the set of IDs.

Abstract: Various embodiments may include methods and system for enabling an authorized vehicle driveaway. A vehicle driveaway authorization code for authorizing a vehicle to be driven and a user authorization code that corresponds to the vehicle driveaway authorization code may be generated. The codes may be generated by, for example, at least one server configured to generate the authorization codes. The at least one server may be communicating with a nomadic device and a vehicle driveaway authorization system. A vehicle driveaway request signal may be received. In response to a receipt of the vehicle driveaway request signal, the vehicle driveaway authorization code may be transmitted to the vehicle driveaway authorization system and the user authorization code may be transmitted to the nomadic device for input to the vehicle driveaway authorization system in order to enable the vehicle to be driven.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a display device having a controller to wirelessly receive media; wirelessly receive control signals for presentation of the media from a mobile communication device; and selectively disable control by the display device over presentation of the media on the display device. Additional embodiments are disclosed.

Abstract: A method and apparatus for quickly and easily requesting content over a mobile device via a telephone network without requiring user entry of a number of pieces of information or having to forward through to certain request screens and/or browse for content. The method includes verifying a mobile device based on an incoming telephone call to a particular destination telephone number; retrieving by a content server the specific content associated with the particular destination telephone number in which contact has been initiated by the mobile device; and providing the specific content to the mobile device requesting the content. Specific content includes but is not limited to broadcast data, satellite transmitted data, and cable network data provided during a telephone call, so that a mobile device can receive everything from television shows to news broadcasts and educational shows, etc. so long it is within range of a telephone network.