Abstract: A fire detection apparatus 1A includes a heat detection unit 110A provided such that a part of the heat detection unit 110A is accommodated in an outer cover 20A and another part of the heat detection unit 110A is exposed to an outside of the fire detection apparatus 1A through an insertion hole 120A formed in a top surface portion 22A, and a guard portion 130A which is provided to cover a periphery of the insertion hole 120A and another part of the heat detection unit 110A in the top surface portion 22A and has a plurality of ribs, in which a material of a rib corresponding to a first guard side rib 131A among the plurality of ribs is made different from a material of some other ribs, or a shape of the first guard side rib 131A among the plurality of ribs is made different from a shape of some other ribs.

Abstract: A fire detection apparatus 1A includes a heat detection unit 110A provided such that a part of the heat detection unit 110A is accommodated in an outer cover 20A and another part of the heat detection unit 110A is exposed to an outside of the fire detection apparatus 1A through an insertion hole 120A formed in a top surface portion 22A, and a guard portion 130A which is provided to cover a periphery of the insertion hole 120A and another part of the heat detection unit 110A in the top surface portion 22A and has a plurality of ribs, in which a material of a rib corresponding to a first guard side rib 131A among the plurality of ribs is made different from a material of some other ribs, or a shape of the first guard side rib 131A among the plurality of ribs is made different from a shape of some other ribs.

Abstract: The invention relates to a safety corridor arrangement for use in emergency situations, including an activation means, an operation means, associated with an activation centre, and a safety corridor suitable to guide or direct a person on a particular pathway. The activation centre, through activation of the activation means can cause operation of the operation means, and the operation means creates the safety corridor to guide a person along the safety corridor towards an exit. The invention also relates to a point of exit arrangement, and methods of use.

Abstract: Embodiments of the Invention provide real-time portable, deployable data acquisition units and monitoring consoles that can be used in combination with radio communication technology to provide for monitoring of wildfires and local weather conditions to aid in fighting wildfires.

Abstract: It is hereby disclosed an apparatus for and a method of writing software objects into a rewritable nonvolatile memory of an electronic control unit of an internal combustion engine, wherein the method comprises: receiving an access request from a memory writing device, generating a seed code, transmitting the seed code to the memory writing device, generating a first key code on the basis of the seed code and a first identification code, generating a second key code on the basis of the seed code and a second identification code, receiving a reference key code from the memory writing device, comparing the reference key code with the first key code and/or with the second key code, and enabling the memory writing device to write software objects into the rewritable nonvolatile memory, if the reference key code corresponds to the first key code or to the second key code.

Abstract: An activity support apparatus supports an activity of a worker at a disaster site. The activity support apparatus comprises a vibration data acquisition unit that acquires vibration data of vibrations generated by the worker, an activity level estimation unit that estimates an activity level of the worker based on the vibration data acquired by the vibration data acquisition unit, and a notification unit that notifies the activity level estimated by the activity level estimation unit.

Abstract: A processor may receive data regarding an emergency event. The processor may identify, using an artificial intelligence model, one or more features regarding the emergency event. The processor may determine that the one or more features are associated with one or more emergency response tasks. The processor may generate an action plan that incorporates the one or more emergency response tasks. The processor may output the action plan to a user.

Abstract: The present invention relates to a logistics smart label, a smart box, and a logistics system including the same, including: a smart label member that is mounted on a logistics box, provided with at least one bending line, and mounted on an outside and inside of the logistics box through bending along the bending line, in which the smart label member may be partitioned along the bending line into an externally mounted label area that is mounted outside the logistics box and includes at least one first sensor unit and a first antenna, and an internally mounted label area that is bent along the bending line to be mounted inside the logistics box, and includes at least one second sensor unit and a second antenna connected to the first antenna. In addition, the logistics smart label, smart box, and logistics system including the same may be implemented in various ways according to embodiments.

Abstract: A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

Abstract: A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

Abstract: A vehicle emergency rescue request system includes a rescue request process apparatus and an in-vehicle apparatus. The rescue request process apparatus includes a surrounding-region terminal search unit, a rescue request transmission unit, a first request-addressee information acquisition unit, and a digital key providing unit. The surrounding-region terminal search unit searches for a terminal in a surrounding region. The rescue request transmission unit transmits a rescue request to the terminal. The first request-addressee information acquisition unit acquires, from the terminal, information identifying a request addressee who has the terminal on and accepts the rescue request. The digital key providing unit gives a door-unlock authority to the terminal after the information is acquired. The in-vehicle apparatus includes at least one processor and at least one memory.

Abstract: A fire measuring device for electric vehicles in a garage includes a fire parameter acquisition device for collecting fire parameters during the fire evolution process of electric vehicles in the garage, a fire monitoring device for dynamically recording the combustion process, a computer, a charging pile, and a water gun fire extinguishing mechanism. The fire monitoring device communicates with the computer. The fire parameters include heat release rate, temperature, radiation, released gas, and electric vehicle mass change. The invention adopts a fire measuring device for electric vehicles in the garage with the above structure. By measuring the parameters such as heat release rate, temperature, radiation, and released gas type during the firing process, the firing mechanism of the electric vehicle stored in the garage is further analyzed and studied to provide basic data for the technical development of electric vehicle fire safety and provide experimental guidance for personnel training.

Abstract: A processor, responsive to detecting a controller is drawing power from a battery to perform a task when a vehicle is parked and detecting a parameter indicative of a likelihood that the controller will complete the task within a predefined time period has a value less than a threshold value, generates a message for a user requesting whether the controller should be shut down without completing the task.

Abstract: A method (300) for determining temperature in a region (220/230) of an environment (200) by compensating for heat-up of a temperature sensor caused by ambient air and/or electronic heating, using a system (100) comprising: (i) a structure (110); (ii) a controller (130); and (iii) a temperature sensor (120), the method comprising: obtaining (320) first temperature measurements while the structure is in a first operating mode; changing (330) the first operating mode of the structure to a second operating mode; obtaining (340) second temperature measurements while the structure is in the second operating mode; determining (350) a temperature correction comprising an effect of the second operating mode on the temperature sensor; obtaining (360) a new temperature measurement during operation of the structure in the second operating mode; and adjusting (370), using the temperature correction, the new temperature measurement to generate a compensated temperature measurement.

Abstract: The present invention relates to the efficient use of both local and remote computational resources and communication bandwidth to provide distributed environment mapping using a plurality of mobile sensor-equipped devices. According to a first aspect, there is provided a method of determining a global position of one or more landmarks on a global map, the method comprising the steps of determining one or more differences between sequential sensor data captured by one or more moving devices; determining one or more relative localisation landmark positions with respect to the one or more moving devices; determining relative device poses based one or more differences between sequential sensor data relative to the one or more relative localisation landmark positions; and determining a correlation between each device pose and the one or more relative localisation landmarks positions.

Abstract: Devices and techniques are generally described for voice targeting of devices using content type. In various examples, a first natural language input comprising a first request to perform a first action related to first content may be received. A natural language understanding component may be used to determine first intent data representing a semantic interpretation of the first request, where the first intent data is effective to cause a first skill to perform the first action. A named entity recognition component may be used to determine first slot data included in the first request. The first slot data may identify the first content. First task data associated with the first content may be determined. The first task data may associate the first content with playback on a first device. First instructions effective to cause the first device to perform the first action may be sent to the first device.

Abstract: Some systems include an electromagnetic imaging tool configured to receive electromagnetic radiation, a communication interface, a processor in communication with the electromagnetic imaging tool and the communication interface, and a housing. Systems can include a first sensor head having a first plurality of acoustic sensor elements arranged in a first acoustic sensor array. The communication interface can provide communication between the processor and the sensor head via wired or wireless communication. The communication interface can comprise a docking port in communication with the processor and configured to removably receive a corresponding docking mechanism of the first sensor head. Some systems may include a second sensor head having a second plurality of acoustic sensor elements. The second sensor head may be interchangeably connectable to the communication interface and/or the first sensor head.

Abstract: The purpose of the present invention is to provide a hazard prediction method that can perform hazard prediction activities so as to prevent accidents, regardless of skills and personalities of workers.

Abstract: Air distribution nozzles, aircraft that include air distribution nozzles, and methods of utilizing air distribution nozzles are disclosed herein. The air distribution nozzles include an elongate inlet chamber, an elongate outlet chamber, and an elongate slot that extends between, and fluidly interconnects, the elongate inlet chamber and the elongate outlet chamber. The air distribution nozzles also include a suction inlet chamber that extends from a suction inlet port to the elongate inlet chamber. The suction inlet port opens into the suction inlet chamber. The air distribution nozzles further include a motive fluid inlet port that extends into the elongate inlet chamber. The air distribution nozzles also include a sensor port that extends into the suction inlet chamber. The air distribution nozzles further include an elongate outlet port that extends from the elongate outlet chamber.

Abstract: A system for monitoring of temperature trends for particles moving along a path of movement from a first position to a second position includes a sensor arrangement and processing device. The sensor arrangement includes at least two sensing elements detecting radiation emitted from the particles, arranged to co-operate with mutually separated sensing zones along the path of movement of the particles to detect a signal related to the temperature of particles. The processing device is arranged to: receive signals from the sensor arrangement; form signals from the at least one set of sensing elements into at least one pulse train when a particle moves through the field-of-view of the sensor arrangement; and based on this at least one pulse train monitor changes over time in the temperature of particles moving through the field-of-view of the sensor arrangement by monitoring changes over time in the wavelength distribution of the radiation emitted from the particles.

Abstract: A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

Abstract: A motor vehicle includes at least one camera capturing images of an environment outside of the motor vehicle. A proximity sensor detects an object disposed adjacent to the motor vehicle. An electronic processor receives the images captured by the at least one camera, and receives a proximity signal from the proximity sensor. The proximity signal is indicative of whether an object is disposed adjacent to the motor vehicle. The electronic processor determines, based upon the images captured by the at least one camera and the proximity signal, whether the motor vehicle is disposed within an enclosure. The electronic processor receives an engine start request signal that has been wirelessly transmitted by a user. In response to receiving the engine start request signal, the electronic processor causes the engine start system to start an engine of the motor vehicle when the motor vehicle is not disposed within an enclosure.

Abstract: The present disclosure discloses a device for detecting and alerting of a fire at the vicinity thereof. The device is deployed in an area at the outdoors, e.g. a forest, that is desired to be monitored. The device has two main parts, a first part that is intended to remain relatively cold and therefore is thermally isolated from the environment. The first part can be isolated by being inserted into a static object in the desired area, e.g. a trunk of a tree, or a rock, or, in some embodiments, can be surrounded by a thermal-isolating material. The first part is thermally connected to a first end of a thermoelectric generator (TEG) unit and a second part of the device, a hot part, is thermally connected to a second end of the TEG unit. The second part is intended to be thermally exposed to the ambient environment such that in case of a fire in the vicinity of the device, the second part is heated to high temperatures while the first part remains relatively cold since it is thermally isolated.

Abstract: A system can include a bed having a mattress, a sensor, and the data processing device. The sensor is configured to sense a feature of the mattress and transmit readings to a data processing device. The data processing device includes a processor and is configured to receive the readings from the sensor and determine if the readings i) indicate a user presence on the mattress and ii) indicate the user intends to sleep. The data processing device is configured to transmit a command to a peripheral controller responsive to determining that the readings i) indicate user presence on the mattress and ii) indicate the user intends to sleep.

Abstract: A system and method for selecting an algorithm for monitoring alarm conditions based on a detector orientation and position. A method may include determining a position and orientation of a smoke detector, selecting an algorithm for performing detection of an alarm condition, and operating the smoke detector using the selected algorithm.

Abstract: Systems and methods relating to foreign object detection with respect to passenger-accessible stowage compartments are provided. According to one example, sensor data is captured via a sensor subsystem that includes a sensor associated with each of a plurality of stowage compartments. For each of the stowage compartments, a baseline condition is identified in which foreign objects are absent from the stowage compartment. A foreign object is detected within a stowage compartment based on the sensor data received for the stowage compartment and the baseline condition identified for the stowage compartment. An audit of the stowage compartments is conducted, and based on the audit, an indication that the foreign object is detected within the stowage compartment is output. This indication may identify the stowage compartment containing the foreign object among the plurality of stowage compartments.

Abstract: An electronic cigarette (“e-Cig”) may include functionality for monitoring and controlling the thermal properties of the e-Cig. The system and method described herein may monitor a temperature based on a resistor (i.e. hot wire) near the wick and model the thermal cycle of an e-Cig. The model can be used for controlling the temperature of the e-Cig and preventing burning. The temperature control may dictate optimal conditions for atomization and smoke generation in an e-Cig while avoiding hotspots and burning to the atomizer or cartomizer.

Abstract: Some embodiments provide a method for separating the motion detection zone(s) of an A/V recording and communication device from the motion alert zone(s) of the A/V recording and communication device. For example, an A/V recording and communication device may be configured to generate motion alerts, and to record audio and video footage, when an event is detected within a selected motion alert zone (e.g., within a defined radius around the A/V recording and communication device). However, the A/V recording and communication device may not generate a motion alert for an event detected outside of the selected motion alert zone, even though the device may still record audio and video footage for the detected event (e.g., when the event is within a selected motion detection zone).

Abstract: Device, system, and method of dynamically configuring a Sub-1 Gigahertz reception module via a Wi-Fi communication link. For example, a ceiling fan includes rotatable blades, an electric motor to rotate them, and a fan controller to control activation and deactivation and rotation speed of the electric motor. The ceiling fan further includes a non-Wi-Fi wireless receiver unit, such as a Sub-1 Gigahertz wireless receiver unit, to receive incoming non-Wi-Fi signals indicating control commands to the ceiling fan which is associated with an existing Fan Address Code. The ceiling fan also includes a Wi-Fi wireless receiver unit, to receive an incoming Wi-Fi message indicating a replacement Fan Address Code. The ceiling fan includes a Fan Address Code Modification Unit, to replace (i) the existing Fan Access Code of the ceiling fan, with (ii) a replacement Fan Access Code that was received via the incoming Wi-Fi message.

Abstract: A plurality of sensor devices are placed at a plurality of locations at which concrete is to be poured, wherein each sensor device is adapted to measure humidity. For example, the plurality of sensors may be placed at selected locations within a form at a construction site associated with a construction project. Concrete is poured at the plurality of locations. Data representing humidity measurements is received from the plurality of sensor devices. For each of the plurality of sensor devices, a respective spike in humidity and a respective time associated with the spike in humidity are determined, thereby determining a plurality of spikes in humidity and a plurality of corresponding times. A build rate is determined for the construction project based on the plurality of spikes in humidity and a plurality of corresponding times.

Abstract: A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

Abstract: A vehicle occupancy alarm assembly includes an alert unit that has an input port which is compatible with an on board diagnostic port thereby facilitating the alert unit to be placed in electrical communication with a computer system of a vehicle. The alert unit is actuatable into a first condition to emit an audible alert when the alert unit detects that a rear seat belt is coupled thereby alerting a driver of the vehicle that a passenger is buckled into the rear seat belt. The alert unit is actuatable into a second condition to emit an audible alert when the alert unit detects that the driver's side door is ajar thereby alerting the driver to check for a passenger in the rear seat. The alert unit is actuatable into a third condition to emit an audible alert when the alert unit detects that the vehicle transmission has been placed in a parking gear thereby alerting the driver to check for a passenger in the rear seat.

Abstract: Presented are intelligent electronic footwear with controller automated features, methods for making/using such footwear, and control systems for executing automated features of intelligent electronic footwear. An intelligent electronic shoe includes an upper that attaches to a user's foot, and a sole structure attached to the upper for supporting thereon the user's foot. A collision threat warning system, a detection tag, a wireless communications device, and a footwear controller are all mounted to the sole structure/upper. The detection tag receives a prompt signal from a transmitter-detector module and responsively transmits thereto a response signal. The footwear controller receives, through the wireless communications device, a pedestrian collision warning signal generated by the remote computing node responsive to the response signal.

Abstract: An Information Handling System (IHS) includes multiple hardware devices, and a baseboard Management Controller (BMC) in communication with multiple hardware devices of the IHS. The BMC includes executable instructions for monitoring a parameter of one or more of the hardware devices when a custom BMC firmware stack is executed on the BMC. The instructions that monitor the parameter are separate and distinct from the instructions of the custom BMC firmware stack. The instructions also control the BMC to perform one or more operations to remediate an excessive parameter when the parameter exceeds a specified threshold.

Abstract: This application is directed to a doorbell camera for illuminating and capturing scenes. The doorbell camera includes at least a subset of processors for operating a camera module, an image sensor having a field of view of a scene and configured to capture video of a portion of the scene, one or more infrared (IR) illuminators for providing illumination, a waterproof button assembly, and a microphone and a speaker for enabling a real-time conversation between a visitor located at the doorbell camera and a user of a remote client device. The waterproof button assembly is configured to receive a user press on a button top, block water from entering the electronic device, and display a visual pattern uniformly at a peripheral region of the button assembly using LEDs and light guide component that are disposed under the button top.

Abstract: A temperature measuring method capable of switching calculation based on displacement detection includes a temperature measuring instrument and a displacement detecting unit. When the displacement detecting unit feeds back that the temperature measuring instrument is under an inactive state, a point calculation formula A is used to calculate and obtain a body temperature value. When the displacement detecting unit feeds back that the temperature measuring instrument is under an active state, a scanning calculation formula B is used to calculate and obtain the body temperature value.

Abstract: A fireplace with a smart glass panel and use of a smart glass panel in a fireplace are provided. The fireplace comprises a heating mechanism, and a smart glass panel positioned proximate to the heating mechanism. The smart glass panel comprising a transparent pane, where at least a portion of the smart glass panel has optic or thermal transmission properties that may be altered between a first state and a second state.

Abstract: A fire detection device includes a vented detector housing, with an opening defined in a mounting base. A substance exhaust channel in air flow communication with the opening extends upward from the mounting base. A pressure release turbine includes an impeller operatively disposed in the channel. A rotation sensor senses rotation of the impeller and generates an alert upon detection of a heat level indicated by rotation of the turbine rotor at a predetermined speed. A high pressure and/or heat louver disposed over the opening opens in response to a predetermined heat level. An actuator detects opening of the louver and generates an alert. A thermostatic device disposed in the housing senses, and generates an alert at, a predetermined heat level. A thermal imaging device disposed in the housing senses, and generates an alert at, a predetermined heat level.

Abstract: Performance mapping of equipment performance parameters by capturing, mapping, and/or structuralizing equipment performance data of a device for installation in a system. This includes generating performance maps which outline the expected feature performance parameter behavior of the equipment based on a set of operating parameters that capture the operating conditions. Each performance parameter on the map is representative of an operating point of specific operating conditions taken at a particular point in time. In one example, a performance parameter can be defined by an individualized set of parameter coefficients which in turn are dependent on instantaneous operating conditions.

Abstract: A load contact module for a charging plug-in connection includes: a load contact, which is designed to electromechanically contact a load contact to be inserted and/or slid on; a mounting portion, which is designed to connect the load contact module to a support of a charging plug and/or of a charging socket; and a temperature sensor for the temperature monitoring of a charging process, wherein the temperature sensor has a distance from the mounting portion.

Abstract: A sensor device can be mounted on a pivotable door of a domestic refrigeration appliance. The sensor device includes an inertial sensor for supplying a motion signal as well as a processing device configured to determine a pivoting angle of the pivotable door on the basis of the motion signal and to output a signal when the pivoting angle has reached a predetermined threshold value. A household refrigeration appliance having a sensor device is also provided.

Abstract: Disclosed are systems and methods for an industry-wide and predictive approach to maintenance of commercial equipment. In one embodiment, multiple instances of a frontend infrastructure can be deployed to various sites where one or more physical parameters of industrial equipment are monitored with wireless sensors and routed to a backend infrastructure. The backend infrastructure can process the sensor data received from the multiple sites and generate predictive maintenance notifications.

Abstract: In one embodiment, an apparatus includes an optical module comprising a first end for insertion into a network device and a second end extending from the network device when the optical module is inserted into the network device, and a temperature indicator thermally coupled to the optical module and extending from said second end of the optical module. The temperature indicator provides an indication that a surface temperature of the optical module exceeds a predefined safe touch temperature limit.

Abstract: A pump control system and an operating method thereof are disclosed. The pump control system includes a pump; a motor mechanically connected to the pump; a motor driving controller electrically coupled to the motor, the motor driving controller configured to control a speed of the motor; a current detection unit electrically coupled between the motor and the motor driving controller or electrically coupled to a power supply input interface of the pump control system; and a main controller electrically coupled to the motor driving controller.

Abstract: A method of transmitting electricity including providing a shippable container configured to transport a liquid electrolyte solution to a first charging station. The first charging station is configured to apply electricity to the liquid electrolyte solution. The first charging station charges the liquid electrolyte solution by applying electricity to the liquid electrolyte solution. The charged liquid electrolyte solution is loaded into the shippable container and transported to a discharging station. The electrolyte solution is electrically discharged at the discharging station and subsequently transported to a second charging station.

Abstract: Devices, methods, and systems for alarm and notification generation are described herein. One computing device for alarm and notification generation includes a processor configured to identify a plurality of alarm set points for a system, wherein the plurality of alarm set points are threshold values for the system, generate an alarm template for the system, wherein the alarm template includes additional threshold values (e.g., special points, etc.) for the system, generate a rule data structure that includes the plurality of alarm set points for the system and the additional threshold values for the system, generate a first notification when a value for the system meets or exceeds an alarm set point of the plurality of set points, and generate a second notification when the value for the system meets or exceeds the additional threshold values of the alarm template for the system.

Abstract: Embodiments relate generally to systems and methods for determining the temperature of an object or surface near a user, such as a firefighter, in potentially dangerous conditions. A temperature sensor configured to be attached to a personal protection equipment may comprise a standoff temperature sensor element configured to detect the temperature of a nearby object or surface; a microcontroller configured to receive sensor data from the standoff temperature sensor element and determine the sensed temperature; an indicator configured to be activated by the microcontroller when the sensed temperature is higher than a predefined threshold; and an attachment element configured to attach the sensor to a personal protection equipment worn by a user.

Abstract: There is provided an LED light with a replaceable module that is connected to an intelligent network. The replaceable module includes a driver element, communication element, and power storage such as a battery. The driver element has circuitry, such as printed circuit boards, which is uniform for mating with any connection component to provide electrical connection. The communication/control element includes communication with a voice orchestrated infrastructure and to Z-link capable systems, via a wireless network. The replaceable module fits inside the opening of a housing which includes a mount for electrical connection to standard electrical outlet. Zone control LED lighting is also provided which is likewise connected to the network for voice control.

Abstract: A method, system and devices assisting the detection of a cover/cap. A method includes monitoring a status of a button installed on a detector. If there is any change in status of the button, it is reported to a controller. The controller issues a notification regarding the change of the status and transmits an alert to a control panel.

Abstract: A radio frequency (RF) front end for wireless communications, in particular for use in a half duplex (HD) and/or full duplex (FD) transceiver. The RF front end is based on a quadrature balanced power amplifier (QBPA). The RF front end includes an antenna port for outputting a transmit signal to and receiving a receive signal from an antenna, and a receive port for outputting the receive signal to a signal processing section. Further, the QBPA is configured to receive a transmit input signal at a first port, receive a cancellation input signal at a fourth port, and receive the receive signal at a second port coupled to the antenna port.