|| List of recent Transmitter-related patents
| System and method for content browsing using a non-realtime connection|
A method of and system for providing content-related interactivity services to a mobile device, comprising receiving automatically by a content server from a wireless connection first information related to browsing interests of a user of the mobile device, receiving automatically by the content server metadata describing live-content, retrieving automatically based on the first information and the metadata, personalized content related to the browsing interests of the user, by an adaptive search engine in communication with the content server, wherein the search by the adaptive search engine is based upon criteria related to the user, storing the personalized content in memory associated with the content server, and forwarding automatically by the content server the personalized content to the mobile device using a facility selected from the group comprising an over-the-air broadcast transmitter and the wireless connection.. .
| Data management apparatus, power usage calculation system, and data management method|
According to an embodiment, a data management apparatus includes a first receiver, a generator, a second receiver, a convertor, and a transmitter. The first receiver is configured to receive first values from at least one power meter, the first values being acquired by encrypting power usage amounts collected by the at least one power meter using the corresponding first secret key.
| Memory system with calibrated data communication|
An integrated circuit device includes a transmitter circuit operable to transmit a timing signal over a first wire to a dram. The dram receives a first signal having a balanced number of logical zero-to-one transitions and one-to-zero transitions and samples the first signal at a rising edge of the timing signal to produce a respective sampled value.
| Method and device for slowing a digital audio signal|
A method for slowing a digital audio signal from the transmitter in order to transmit a slowed-down digital audio signal to a receiver, comprises the conversion of the digital audio signal received from a transmitter into a text made up of a series of words, assigning a timestamp bookmark to each word of the text, identifying words that belong to patterns referenced in a database of patterns to be eliminated, the definition of a rate of slowing, the adaptation of timestamped bookmarks to a slowed-down time frame based on the time of slowing, the slowing of the digital audio signal, the deletion of patterns to be eliminated, and the transmission to the receiver of a slowed-down digital audio signal.. .
| Battery monitoring network|
A battery monitoring network is provided that includes a battery. The battery monitoring network also includes a battery monitoring system integrated within the battery.
| Soft tissue-to-bone suturing and monitoring device|
A surgical implant for monitoring stress loads applied to a sutured soft tissue-to-bone repair including a securing device containing sutures to effect a soft tissue-to-bone repair and a monitoring means whereas the loads applied to the sutures are detected by a load sensor powered by a local source and sent by a transmitter to a receiver. The load sensor, power source and transmitter are all arranged within the securing device.
| Extravasation and infiltration detection device|
An integrated device of a patch and sensor assembly detects extravasation or infiltration. A transmitter is positioned to direct power into a body portion.
| Touch-sensitive device and method|
Techniques are generally described for touch-sensitive devices with biometric information determination capabilities. The touch-sensitive device may include one or more of a transmitter, a receiver, and a processor.
| Methods for inhibiting native and promiscuous uptake of monoamine neurotransmitters|
The present invention relates to methods of inhibiting native and promiscuous uptake of biogenic amine neurotransmitters with triple reuptake inhibitors in the treatment of conditions affected by monoamine neurotransmitters.. .
| Communication system and method of operation|
A communication system configured to communicate receiver-specific information from a transmitter to a plurality of receivers. Each of the receivers is assigned to one of a plurality of groups based on a group identification value stored in each receiver.
| Methods and apparatus for improving remote nfc device detection using an oscillator circuit|
A method, an apparatus, and a computer program product for wireless and/or inductive communications are provided in connection with improving remote nfc device detection through use of an oscillator circuit connected to an nfc antenna and matching network. In one example, a communications device is equipped to monitor frequency oscillations generated by an oscillator circuit associated with a transmitter path of a nfc antenna and matching network, determine that a number of occurrences of the frequency oscillations from a reference frequency is greater than a frequency deviation threshold, and perform a nfc polling procedure in response to the determination..
| Distributed outdoor network apparatus and methods|
Novel tools and techniques providing for the robust wire-based plus wireless distribution of communications signals from a provider to multiple customer premises. Certain embodiments comprise one or more modular communications apparatuses which are located near to customer premises.
| Transmitter, receiver, method for transmitting and method for receiving|
According to an embodiment, a transmitter is described comprising an input configured to receive a plurality of symbols to be transmitted and a timing circuit configured to associate each symbol with a symbol transmission period of a predefined sequence of symbol transmission periods, wherein the symbol transmission periods of the sequence of symbol transmission periods are at least partially different.. .
| Transmitter and method for transmitting data block in wireless communication system|
Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: encoding an information bit and generating a block coded with an ncbpss bit; generating two sub-blocks by parsing the coded block; and transmitting the two sub-blocks to the transmitter.
| Transmission method for dual digital signal through single antenna, transmitter for dual digital signal through single antenna and receiving method for dual digital signal through single antenna|
Disclosed is a method of transmitting dual digital signals through a single antenna. The method includes receiving, by a transmitter, a first data stream and a second data stream which use the same carrier frequency, modulating, by the transmitter, each of the first data stream and the second data stream, lowering, by the transmitter, a power level of the modulated second data stream, combining, by the transmitter, the modulated first data stream and the second data stream with the lowered power level, and transmitting, by the transmitter, the added first data stream and second data stream to a single antenna in the same channel..
| Method and system for mitigating transformer saturation in a communication interface|
A method and system for mitigating transformer saturation in a communication interface is provided. The method may include detecting a change in impedance resulting from transformer saturation of at least one isolation transformer utilized in a network path of a network.
| Method, system, and apparatus for balanced frequency up-conversion of a baseband signal|
A balanced transmitter up-converts a baseband signal directly from baseband-to-rf. The up-conversion process is sufficiently linear that no if processing is required, even in communications applications that have stringent requirements on spectral growth.
| Communication system and method with papr and backoff configured for equilibrium|
A communication system (20) includes a transmitter (22) having a peak controller (38) which controls papr to operate in accordance with a noise constraint. A backoff controller (60) operates in conjunction with an amplifier section (46) to cause the amplifier section (46) to maximize the amplification it applies while maintaining a predetermined degree of amplifier linearity.
| Communication channel optimization systems and methods in multi-user communication systems|
Systems and methods of optimizing communication channels in multi-user communication systems are provided. Coding weights are determined based on communication channel state information for communication channels between a transmitter and multiple receivers.
| Wireless communication apparatus, wireless communication system and wireless communication method|
In a mimo system using a cross-polarized antenna structure, even if no ideal xpd can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a mimo communication is performed between a transmitter and a receiver each using a cross-polarized antenna structure, a channel estimating and precoding selection section of the receiver performs a channel estimation of mimo channels from the transmitter to the receiver, decides a precoding matrix of a projection matrix for mutually orthogonalizing or substantially orthogonalizing the channel response matrixes for respective different polarized waves, and feeds the determined precoding matrix back to the transmitter.
| Pre-coder selection based on resource block grouping|
The present invention provides a receiver. In one embodiment, the receiver includes a receive portion employing transmission signals from a transmitter having multiple antennas and capable of providing channel estimates.
| Systems and methods for reducing effects of local oscillator leakage|
According to some embodiments, a receiving device: receives a radio frequency (rf) signal from a transmitting device over a wireless channel; performs a channel estimation of the wireless channel based on the rf signal; obtains a direct current (dc) bin measurement based on the channel estimation; determines a direct current (dc) offset correction based on the dc bin measurement; and sending the dc offset correction to the transmitting device via a local transmitter. The transmitting device: receives the dc offset correction information from the receiving device over a first wireless channel; receives data to be transmitted to the receiving device, where the dc offset correction information describing the dc offset correction; applies the dc offset correction to a transient signal that is based on the data; converts the transient signal to an rf signal; and transmits the rf signal to the receiving device over a second wireless channel..
| Digital television system|
A digital television system performing modulation/demodulation by vsb (vestigial side band) is provided. The invention includes a vsb transmitter including an additional error correction encoder designed such that a signal mapping of a tcm encoder is considered, a multiplexer (mux), a tcm encoder operating in correspondence with state transition processes of the additional error correction encoder, and a signal transmission part including an rf converter.
| Transmitting apparatus, receiving apparatus, and transceiving method therefor|
A transmitting apparatus includes a down-scaler configured to down-scale multimedia data; a first encoder configured to encode the down-scaled multimedia data; a first transmitter configured to transmit the encoded multimedia data through a first transmitting network; a decoder configured to decode the encoded multimedia data; an up-scaler configured to up-scale the decoded multimedia data; a restoration data generator configured to generate restoration data using the up-scaled multimedia data; a second encoder configured to encode the restoration data; and a second transmitter configured to transmit the encoded restoration data through a second transmitting network.. .
| Low power transmitter for generating pulse modulated signals|
Described herein are an apparatus, system, and method for generating pulse modulated (pwm) signals. The apparatus (e.g., input-output transmitter) comprises: an edge detector to detect one of a rising or falling edges of a clock signal; a counter to count up or down in response to detecting one of the rising or falling edges of the clock signal, the counter to generate a select signal; and a control unit to receive a data signal for transmission to a receiver and to generate a pwm signal as output according to a value of the select signal and the data signal, wherein the receiver and the transmitter are a mobile industry processor interface (mipi®) m-physm receiver and transmitter..
| Transmitter, relay, receiver, and cooperative communication system using network compress-and-forward scheme|
A cooperative communication system is provided. The cooperative communication system includes a transmitter that generates a codeword from data blocks based on a long message encoding scheme, and multicasts a signal including the codeword; relays, each relay configured to receive the multicasted signal, encode the multicasted signal using a encoding scheme independent from encoding schemes of other relays to generate a random-mapped signal of the data blocks, and relay the random-mapped signal of the data blocks; and a receiver that receives signals relayed by the relays, and generates the data blocks from the signals based on a joint decoding scheme..
| Embedded meta-carrier with code progression message reassembly|
A method of embedding and transmitting a meta-data message in an original burst carrier signal for message reassembly comprising spreading a meta-carrier signal using a direct sequence spread spectrum (dsss) spreading code having a pseudo-random noise (prn) spreading code sequence, the meta-carrier signal comprising one or more bits of meta-data information about the original burst carrier signal, lowering a power spectral density of the meta-carrier signal using the prn spreading code such that interference with the original signal is reduced, combining the original burst carrier and the meta-carrier signals using a modulator such that a composite burst carrier signal results wherein the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier, and transmitting the composite burst carrier using a transmitter over a telecommunications channel in which only one burst carrier signal is expected to be present within a predetermined frequency bandwidth at a point in time.. .
| Method and apparatus for feedback-based real-time network coding|
The present subject-matter relates to transmitting a real-time data stream, namely simultaneously to multiple receivers over unreliable networks (e.g. Wireless multicast), in a timely and reliable manner, in particular to a method, apparatus and computer program product for feedback-based real-time network coding.
| High-precision time tagging for content synthesization|
A method is implemented by a sensor device to associate data collected by the sensor device with an accurate time according to a world time standard without having to include a dedicated timing device within the sensor device, thereby reducing the cost and complexity of the sensor device. The method includes initiating a cellular receiver in the sensor device using a programmed carrier frequency, receiving at least one radio frame from a cellular transmitter on the carrier frequency; tagging data collected by the sensor device with a network tag derived from a most recent radio frame of the at least one radio frame in real-time, the network tag including a set of data from the most recent radio frame that is unique to the most recent radio frame..
| Method and system for providing autonomous retransmissions in a wireless communication system|
The retransmissions are accumulated in the receiver and decoded after a sufficient quantity of the frame is transmitted. After receiving the last retransmitted frame the bts sends an ack/nak to the transmitter that is accepted..
| Radio communications system, base station, user apparatus, and method|
A mobile communications system having a first base station and one or more second base stations is disclosed, wherein the first base station includes a first generator which generates a first known signal for use in common between the first base station and the second base station and a second known signal use specific to each of the first base station and the second base station, and a radio transmitter which wirelessly transmits, to a subordinate terminal apparatus, the first known signal and the second known signal which are generated by the first generator.. .
| Receiver measurement assisted access point control|
Methods and apparatus are provided for receiver measurement assisted access point control. A method operable by a wi-fi network entity includes signaling at least one trigger indication to at least one station served by the wi-fi network entity for interference measurements.
| Receiver measurement assisted access point control|
Methods and apparatus are provided for receiver measurement assisted access point control. A method operable by a wi-fi network entity includes signaling a time to at least one station served by the wi-fi network entity for interference measurements.
| Image processing apparatus, control system for image processing apparatus, and recording medium storing a control program for image processing apparatus|
A control system for an image processing apparatus that uses an information processing device. The image processing apparatus includes an authentication processor that authenticates users with reference to user information that associates, for multiple users, information regarding the user with starting screen information used to start operating the image processing apparatus and a screen information transmitter that transfers screen information to the information processing device independent of the image processing apparatus.
| Smoke detector|
A smoke detector with a transmitter (4) for a radiation that can be detected by a receiver (5), the transmitter (4) and the receiver (5) are to be assigned a monitored region (11).. .
| Device for vehicle measuring|
A device for measuring a vehicle on a roadway, comprising a carrier structure, which has a support axis that can be oriented transversely over the roadway, a plurality of transmitter elements, which are distributed along the support axis on the carrier structure and each downwardly emit a light measuring beam, each light measuring beam being located in an emission direction extending normal to the support axis, at least one receiver element, which is installed on the carrier structure and receives reflected light measuring beams, and an evaluation unit, which is connected to the transmitter and receiver elements for the time of flight measurement and, based thereon, measurement of a vehicle, wherein the emission directions of at least two transmitter elements are not parallel to each other.. .
| System for testing a device comprising a hdmi transmitter|
It is proposed a system (32) for testing a device comprising a hdmi transmitter delivering out output signals and being able to operate in a test mode, the system (32) comprising: —an hdmi test unit (34) different from the device to be tested which is able to carry out measurements on the output signals of the device to be tested and has a controller interface (38) controlling the measurements, the controller interface (38) being adapted to be controlled by the device when the device operates in test mode. It is also proposed a method of using the hdmi test unit of such system.
| Directional ultrasound transmitting stylus|
A stylus that includes a tip portion that has a cavity. The cavity has a plurality of holes at a first end and a transmitter of acoustic, e.g., ultrasound waves at the end longitudinally opposite the first end.
| Interference detection|
A method for detecting interference in an input device, the method involving: driving a transmitter signal onto a transmitter sensor electrode of the input device; receiving a resulting signal from a receiver sensor electrode of the input device; sampling a first value associated with the resulting signal during a first half of a sensing cycle; sampling a second value associated with the resulting signal during a second half of the sensing cycle; generating an interference value based on the first value and the second value; determining, based on the first value and the second value, an input in a sensing region of the input device; and comparing the interference value to a noise threshold.. .
| Radio system for long-range high speed wireless communication|
One embodiment of the present invention provides a radio assembly. The radio assembly includes an antenna housing unit that houses a pair of reflectors which are situated on a front side of the antenna housing unit, a printed circuit board (pcb) that includes at least a transmitter and a receiver, and a backside cover.
| Using time-difference-of-arrival to detect a position of a target transmitter|
Multiple time-difference-of-arrival units, each having two or more receiver antennas can be used to determine a location of a target transmitter without synchronizing or connecting together the units. Specifically, a clock on each unit can be used to determine a difference of arrival of radio-frequency signals amongst antennas on the units.
| Musical instrument location transmitting device and method of making|
A musical instrument location transmitting device and system includes a musical instrument having a location transmitting device and an electric power source permanently secured in the musical instrument in a position that requires removal of a musical component of the musical instrument in order to remove the location transmitting device. The location transmitting device includes a location sensing unit and a wireless transmitter that outputs a location of the musical instrument.
| Ranging and positioning system|
A ranging and positioning system comprising transmitters and receiver nodes communicating together by chirp-modulated radio signals, that have a ranging mode in which ranging exchange of signals takes place between a master device and a slave device that leads to the evaluation of the range between them. The slave is arranged for recognizing a ranging request and transmit back a ranging response containing chirps that precisely aligned in time and frequency with the chirps in the ranging requests, whereupon the master can receive the ranging response, analyze the time and frequency the chirps contained therein with respect to his own time reference, and estimate a range to the slave..
| Wireless waterline pressure sensor system for self-propelled irrigation systems|
A water pressure sensing system for self-propelled irrigation systems has a waterline pressure sensing device mounted at the outermost sprinkler in wireless communications with a master control unit (mcu) mounted elsewhere on the irrigation system. The waterline pressure sensing device includes a water pressure sensor and a processor to detect changes in waterline pressure, in addition to a short-range radio for wireless communication with the mcu.
| Inhibiting alarming of an electronic article surviellance system|
An apparatus, system and method for inhibiting electronic article surveillance, eas, system alarming are provided. A receiver is configured to receive captured identification data after a transaction.
| Battery monitoring system with on demand diagnostic activation|
A battery is provided that includes a battery monitoring system integrated within the battery. The battery monitoring system includes a diagnostic system configured to monitor or store at least one parameter of the battery.
| Remote control switching device to control separate detection of a plurality of buried conductors|
A system for detecting a plurality of buried conductors includes a transmitter configured to generate an alternating test signal for a plurality of buried conductors. The system further includes a receiver configured to detect an electromagnetic field produced by the alternating test signal in the plurality of buried conductors and a remote control configured to control the transmitter to generate the alternating test signal in one of the plurality of buried conductors..
| Remote control switching device to control separate detection of a plurality buried conductors|
A system for detecting a plurality buried conductors includes a transmitter configured to generate an alternating test signal for a plurality of buried conductors. The system further includes a receiver configured to detect an electromagnetic field produced by the alternating test signal in the plurality buried conductors and a remote control configured to control the transmitter to generate the alternating test signal in one of the plurality of buried conductors..
| Sensors for electrical connectors|
In some implementations, a sensing apparatus for an appliance connector, set forth by way of example and not limitation, includes at least one substrate including one or more openings operative to receive a corresponding number of prongs of the appliance connector. At least one sensor is coupled to the substrate and is operative to sense at least one characteristic of an environment.
| Battery with integrated wireless power receiver and/or rfid|
A battery includes one or more rechargeable cells, a wireless power coil, a battery charger circuit, and may further include an rfid module. The wireless power coil is operable to generate an ac voltage from a wireless power electromagnetic field.
| Wireless power repeater and wireless power transmitter|
Disclosed is a wireless power transmitter which transmits power to a wireless power receiver using resonance. The wireless power transmitter includes a repeating resonant unit and a power source transmitting ac power having a mutual-change resonant frequency, which results from a mutual inductance component between the wireless power receiver and the repeating resonant unit, to the repeating resonant unit..
| Poweline pulse position modulated three-phase transmitter apparatus and method|
An electrical control system consisting of two or more electrical transmitting devices each capable of transmitting synchronized messages consisting of electrical pulses to devices connected to one or more of the three phases of the ac power lines in a typical three phase power system. The synchronized transmitters are each connected to neutral and to one or more of the three phases, a, b, and c, or across two of the phases, of different circuit breaker panels in a typical three phase power system, and are capable of transmitting messages to one or more of the three phases.
| Device for transmitting signals between two rotatable sub-assemblies|
In a device for transmitting signals on two channels between two sub-assemblies rotatable relative to each other about an axis, a photodetector and a light source are connected via connecting lines to a receiver circuit and transmitter circuit. At least one of the connecting lines has a section extending with a radial directional component.
| Sensor device for use in controlling irrigation|
Methods and apparatus are provided herein for sensing rain fall for use in irrigation control. In one embodiment, a wireless rain sensor comprises a housing at least partially covering a first sensor, a controller and a wireless transmitter.
|Memory controller with write data error detection and remediation|
A controller includes a link interface that is to couple to a first link to communicate bi-directional data and a second link to transmit unidirectional error-detection information. An encoder is to dynamically add first error-detection information to at least a portion of write data.
|Sender-side content transmission method and information transmission system|
The user side is provided with a scanner and a transmitter, the t-center side is provided with a t-code decoder and a dispatch information generator, the user side transmits t-code-inserted image data, while the t-center generates order information (sender name, recipient name, sending method, address (recipient, sender), t-code-inserted image data, url of supermarket, etc.) from the user, based on the decoding result of the image data, and the order information (simply dispatch information) is transmitted to supermarket via a communication network.. .
|Method and system for automatically deleting instant messaging information|
The present invention discloses a method for automatically deleting instant messaging information. The method includes receiving, by an information transmission terminal, an automatic deletion command from a user of a transmitter, carrying the command in information to be transmitted, transmitting the information; and receiving and playing or displaying, by an information receiving terminal, the information, determining whether the information carries the automatic deletion command, if the information carries the automatic deletion command, deleting the information automatically.
|Traffic-based inference of influence domains in a network by using learning machines|
In one embodiment, techniques are shown and described relating to traffic-based inference of influence domains in a network by using learning machines. In particular, in one embodiment, a management device computes a time-based traffic matrix indicating traffic between pairs of transmitter and receiver nodes in a computer network, and also determines a time-based quality parameter for a particular node in the computer network.
|Presence detection using bluetooth and hybrid-mode transmitters|
Presence detection using bluetooth and hybrid-mode transmitters is disclosed. In some embodiments, a transmitter is configured to broadcast a secure identifier comprising a venue identifier using bluetooth low energy (btle) and/or an ultrasonic audio channel.
|Flight saver system|
A fare searching system that includes a receiver configured to receive a fare request from a user device, the fare request including at least a source location, a destination location, and a time of departure. A transmitter that is configured to process the fare request and transmit a request for fare information regarding the fare request to an airline fare information system.
|System and a method for mapping a magnetic field|
A system for mapping a magnetic-field in a volume-of-interest comprising a magnetic-field transmitter, generating a magnetic-field in the volume-of-interest, a freestanding magnetic-field detector operative to freely move within the volume-of-interest, a pose-information-acquisition-module and a processor. The detector acquires measurements of flux of the magnetic-field at a plurality of poses.
|Analytic estimation apparatus, methods, and systems|
In some embodiments, apparatus and systems, as well as methods, may operate to record a plurality of acoustic waveforms corresponding to acoustic waves received at azimuthally orthogonal dipole receiver arrays surrounded by a geological formation, the waves being generated by azimuthally orthogonal transmitter arrays. Further activity may include analytically estimating a global minimum of a predefined objective function with respect to an azimuth angle at a point in an auxiliary parameter space associated with a set of auxiliary parameters, minimizing the objective function at the analytically estimated angle with respect to the auxiliary parameters, removing existing ambiguities associated with the fast and slow principal flexural wave axes, and determining at least one property of the geological formation based on the global minimum.
|Device and method for displaying biofeedback|
A biofeedback device is configured to be worn by a user. The biofeedback device includes one or more sensors and may include a transmitter.
|Transformer-based multiplexer for ultrasound imaging system and method|
A low-loss high-voltage multiplexer is implemented using a transformer that is connected to one transmitter, one receiver and transducer elements. At least one primary winding is magnetically coupled at least two secondary windings.
|Sensor inserter assembly|
An analyte monitor includes a sensor, a sensor control unit, and a display unit. The sensor control unit typically has a housing adapted for placement on skin and is adapted to receive a portion of an electrochemical sensor.
|Control of transmitter configuration for base station|
Adjusting transmitter configuration for a base station transmitter of a cell of a wireless network, involves receiving indications of received power measured at user equipments (ue) of customers over a first period of time of service operation of the cell, determining a generic change in the received power over a second period of time at chosen ones of the user equipments in an area, chosen to represent reference points within the area, and chosen based on variability in the received power. Then an adjustment is made to the transmitter configuration based on the determined generic change in the received power.
|Wideband transmitter front-end|
One embodiment of the present invention provides a transmitter for wireless communication. The transmitter includes a wideband tunable modulator, a number of power amplifiers with a particular power amplifier associated with a particular frequency range, and a wideband power amplifier (pa) driver.
|Mobile communication device|
A mobile communication device including a main board, a flexible printed circuit board (fpcb) and a transmission line. The main board includes a central process unit (cpu) disposed on the main board for outputting and receiving a control signal, and a wireless transmitter disposed on the main board and coupled to the cpu for modulating and demodulating a wireless signal.
|Adaptive transmitter leakage cancelation in a transceiver|
An apparatus and method cancel transmitter leakage. The method includes generating a leakage cancelation signal by processing a downconverted signal for cancelation of a leakage signal caused by a transmitter and upconverting the downconverted signal to a radio frequency of the transmitter.
There is provided a wireless transmission system comprising at least one mobile transmitter for wireless audio transmission having a user interface. The wireless audio transmission system further has a stationary receiver for receiving the wireless audio transmission from the at least one mobile transmitter.
|Presence detection using bluetooth and hybrid-mode transmitters|
Presence detection using bluetooth and hybrid-mode transmitters is disclosed. In some embodiments, one or more transmitters are configured to transmit an ibeacon broadcast and a proprietary bluetooth low energy (btle) broadcast, wherein at least one of the transmitted broadcasts includes an identifier that specifies a venue.