Abstract: In the present invention, a demodulation reference signal is transmitted using a plurality of settings in which demodulation reference signals occupy different positions in at least a density or time-frequency resource region of the demodulation reference signals. A base station can transmit, to the user device, information indicating a setting related to a downlink signal or a setting related to an uplink signal from among the plurality of settings, and the user device can receive the demodulation reference signal with the downlink signal or transmit the demodulation reference signal With the uplink signal according to the indicated setting.

Abstract: A method, an apparatus, and a computer program product for beamforming in a wireless communication are provided. The apparatus determines a beamforming direction and a SNR of at least two user equipments (UEs) and determines whether to schedule communication with the at least two UEs during a same time interval via a single communication beam based on the beamforming directions and the SNRs of the at least two UEs. When the communication with the at least two UEs during the same time interval via the single communication beam is scheduled, the apparatus allocates bandwidth resources respectively among the at least two UEs, sizes a width of the single communication beam to encompass the beamforming directions of the at least two UEs, and communicates with one or more of the at least two UEs during the same time interval via a respectively allocated bandwidth resource using the sized single communication beam.

Abstract: Systems and methods for adaptively using subframes for radar detection in unlicensed spectrum are disclosed. The systems and methods include scheduling a first set of subframes in a frame duration for traffic based at least in part on a first configuration for communications in an unlicensed frequency band. Further, the systems and methods include scheduling, based at least in part on the first configuration, a second set of subframes in the frame duration for detection of a primary user of the unlicensed frequency band. Moreover, the systems and methods include adjusting a number of subframes in the first and second set of subframes based on a second configuration for communications, wherein the second configuration for communications is identified based on a type of primary user being detected.

Abstract: A method and apparatus for adaptive uplink/downlink resource assignment may include determining uplink interference associated with each of several uplink resources. A wireless network device may produce an uplink list with values for the uplink resources. The device may compare a downlink power level to at least one threshold for each of the downlink resources, wherein at least two of the downlink resources are each associated with a different portion of a frame. The device may produce a downlink list, which may be a bit stream providing an indication, for each downlink resource, indicating whether each of the downlink resources have a downlink power level which is less than or equal to the at least one threshold. The device may send the uplink and downlink lists and may receive an uplink list and a downlink list from each of several neighboring wireless network devices.

Abstract: A wireless air interface may be defined for communication with a wireless communication device (WCD). The wireless air interface may include paired low-frequency channels and paired high-frequency channels, where the paired low-frequency channels include a low-frequency downlink channel and a low-frequency uplink channel, and where the paired high-frequency channels include a high-frequency downlink channel and a high-frequency uplink channel. It may be determined that, on at least one of the downlink or uplink channels, the WCD is experiencing a quality of wireless coverage below a threshold wireless coverage value. Possibly in response to the WCD experiencing the quality of wireless coverage below the threshold wireless coverage value, the downlink and uplink channels may be reconfigured so that the paired low-frequency channels include two low-frequency uplink channels and the paired high-frequency channels include two high-frequency downlink channels.

Abstract: A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. The system evaluates signal quality metrics for each frequency band and selects a communication method based on the evaluation. Multiple frequency bands and communication methods can be utilized by the system such that a combination of licensed, unlicensed, semilicensed, and overlapped frequency bands can be simultaneously used for communication. The system monitors communications and can report link performance for adaptive control of the selected communication methods.

Abstract: Embodiments are described of devices and methods for processing a signal using a plurality of vector signal generators (VSGs). A digital signal may be provided to a plurality of signal paths, each of which may process a respective frequency band of the signal, the respective frequency bands having regions of overlap. The gain and phase of each signal path may be adjusted such that continuity of phase and magnitude are preserved through the regions of overlap. The adjustment of gain and phase may be accomplished by a complex multiply with a complex calibration constant. The calibration constant may be determined for each signal path by comparing the gain and phase of one or more calibration tones generated within each region of overlap. Each signal path may comprise a VSG to convert the respective signal to an analog signal, which may be combined to obtain a composite signal.

Abstract: A cellular communication system is described where beam steering techniques are applied to fixed and mobile communication devices to increase system capacity, with capacity optimized for downlink or uplink performance. A previously described technique wherein the current mode on a single radiator is altered to vary the radiation pattern of the radiator is utilized in an FDD cellular system to generate multiple radiation patterns with low correlation between the patterns. Techniques to restrict or expand the frequency bandwidth of the beam steering technique are described to provide the capability to beam steer at receive frequencies or transmit frequencies only, and techniques are described where beam steering can occur at both transmit and receive frequency bands from a single active antenna system.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a non-transitory computer-readable storage medium operating in a mobile device server having computer instructions to execute a web server application in the mobile device server. The web server application can be operable to detect a resource control manager while roaming in a communication zone of the resource control manager, and to transmit a pairing key to the resource control manager. The web server application can also be operable to receive from the resource control manager authorization to pair with one or more resources selected by the resource control manager according to the pairing key, and to establish communications with the one or more resources selected by the resource control manager. Other embodiments are disclosed.

Abstract: The present application provides a method for adjusting resource configuration, a radio network controller, and a base station. The method includes sending configuration information of an uplink common enhanced dedicated transport channel E-DCH resource pool to a base station, where the configuration information of an uplink common E-DCH resource pool includes information of a first resource pool to which a first transmission time interval corresponds and information of a second resource pool to which a second transmission time interval corresponds. Indication information is sent by the base station according to usage of at least one of the resource pools. Configuration of the first resource pool can be adjusted according to the indication information. In embodiments of the present application, the range of the resource pool can be dynamically adjusted in the case that a plurality of transmission time intervals coexists.

Abstract: An objective of the present invention is to perform an appropriate demodulation process on a received signal in ABS. A mobile communication method according to the present invention includes the steps of: notifying a mobile station UE of an ABS “P_B” initial value by a radio base station eNB using an SIB2; notifying the mobile station UE of an ABS “P_A” initial value by the radio base station eNB using “RRCConnectionReconfiguration”; and performing a demodulation process on a downlink data signal in ABS by the mobile station UE on the basis of the ABS “P_B” initial value and the ABS “P_A” initial value.

Abstract: Aspects of this disclosure provide techniques for computing Vandermonde-subspace frequency division multiplexing (VFDM) precoders for secondary network transmissions that mitigate interference between secondary communication signals, while avoiding interference with the primary system altogether. A precoder for a secondary user (SU) is computed on accordance with a nullspace induced by cyclic prefixes communicated over a primary data channel, a primary interference channel between a second user (SU) and the primary receiver, and a secondary interference channel between the SU and a neighboring SBS. The precoder provides both frequency domain precoding and spatial domain precoding on secondary transmission signals communicated from the SU.

Abstract: Systems and methodologies are described that facilitate multiplexing of control information and data for common transmission in a localized FDM wireless communication system. Localized FDM transmission of control and data channels can be achieved by, for example, multiplexing control information with data and transmitting the control information and data using resources and transmission schemes specified for transmission of the data. To ensure the reliability of control information multiplexed with data, a power offset can be applied to the control information to provide varying protection levels for the control information based on properties of the data resources into which it is embedded in order to maintain a predetermined signal quality for the control information independent of the data resources.

Abstract: The present disclosure relates to systems, methods, and non-transitory computer-readable media for efficient scheduling of downlink data traffic at a base station. The method may comprise: receiving one or more downlink data packets from a second protocol layer. Thereafter, the one or more downlink packets may be classified into one or more categories of packets based on transmission type and radio transmission state of the one or more downlink packets. Further, one or more first packets from each of the one or more categories of packets may be scheduled based on a pre-determined priority order of the one or more categories of packets and a predetermined packet transmission share associated with each of the one or more categories of packets. Finally, the one or more first packets are transmitted from the one or more categories of packets in a transmission time interval.

Abstract: There is provided a wireless communication device that may prevent a degradation of QoS of communications caused by a schedule change. A wireless communication device in a wireless communication system that transits and receives a traffic stream using a millimeter wave includes a schedule generator, a transmitter, and a receiver, the schedule generator generating a schedule for at least one wireless station, which communicates with the wireless communication device, to transmit a plurality of traffic streams, the transmitter transmitting the generated schedule to the wireless station using a broadcast frame, the receiver receiving QoS requests transmitted by the respective wireless stations, each of the QoS requests including a current MCS index and a range of available MCS indexes for transmitting a traffic stream.

Abstract: The present disclosure discloses a method for delay scheduling, comprising: sending, by a base station, delay scheduling information to a terminal for performing delay scheduling on the terminal; receiving, by the terminal, the delay scheduling information, and stopping monitoring a Physical Downlink Control Channel PDCCH and entering a delay scheduling state according to the received delay scheduling information; and restarting monitoring the PDCCH and terminating the delay scheduling state according to the delay scheduling information. The present disclosure also discloses a delay scheduling system, which enhances an overload processing ability of network. Meanwhile, a mass of radio resources required to access to the network may be saved, and thereby the radio resources can be saved effectively, the load at the network side is relieved.

Abstract: Techniques are provided for decoupling uplink and downlink operations. According to certain aspects, a wireless node (e.g., a low power node) may receive, from a base station of a first cell, signaling indicating a random access channel (RACH) configuration for a wireless device. The wireless node may then detect the wireless node performing a RACH detection (based on the RACH configuration) and report the RACH detection and desired UL configuration to the base station of the first cell. The base station of the first cell may then select the wireless node for serving the wireless device for UL operations (e.g., based on the reported RACH detection-and similar reports from other wireless nodes detecting the same RACH procedure).

Abstract: A layered channel access method of a Group Representative-station (GR-STA) in a Wireless Local Area Network (WLAN) system is provided. The method includes receiving a management, including setting information indicative of a first phase and a second phase frame, from an Access Point (AP), receiving a first radio frame from the AP or accessing a channel and sending a second radio frame to the AP during the first phase indicated by the setting information, and receiving a third radio frame from an affiliated STA of a group to which the GR-STA belongs or accessing a channel and sending a fourth radio frame to at least one STA of the group to which the GR-STA belongs during the second phase indicated by the setting information.

Abstract: The present invention relates to a wireless communication system, and more particularly, to a method and an apparatus for accessing a channel in a wireless LAN system. According to one embodiment of the present invention, a method for performing channel access by a station (STA) of a wireless communication system comprises: a step of receiving, from an access point (AP), information about the time window which does not allow channel access of a traffic indication map (TIM) mode STA; and a step of performing channel access based on the time window. In the event that the STA is a non-TIM mode STA, the channel access is performed in the time window. In the event that the STA is a TIM mode STA, the channel access is performed in the time interval indicated by the TIM, excluding the time window.

Abstract: A shared-channel device is configured to perform a method for reserving a shared channel in a wireless communication system. The method includes, upon a determination to utilize a shared channel for payload data communication starting at a first time, calculating a push-forward duration. The method also includes performing a channel reservation procedure to reserve the shared channel, wherein the channel reservation procedure is started at a second time that is before the first time by the push-forward duration.

Abstract: This document discloses a solution for determining a channel assessment threshold in an apparatus. A method according to this solution includes: determining, by the apparatus, a channel assessment threshold based on a factor representative of a signal-to-interference ratio at another apparatus with which said apparatus has established a link; determining, by the apparatus on the basis of the channel assessment threshold, whether or not a channel is free for transmission over the link; and upon determining the channel to be free, causing transmission of a frame.

Abstract: A communications device, communicating data via a mobile radio network, includes a transmitter/receiver communicating data to/from a mobile radio network via a wireless access interface, and a module storing information identifying the communications device to the mobile radio network, the stored information including a same common identifier in each of an associated group of communications devices, the common identifier to establish communications sessions to communicate data to/from any of the associated communications devices. The group of communications devices may communicate machine type communications for a particular application, for example disposed in a vehicle, to report certain parameters.

Abstract: VoIP-based telephone is provided with integral paging amplifier and a WiFi antenna, and is designed for hazardous areas such as UL Class I, Division 1, Division 2 and IEC Ex including the WiFi antenna. A system of VoIP-based telephone units supports multicast to provide prioritized and loudspeaker-zoned paging. The integral 30-watt class D amplifier in the telephone units provides sufficient volume for paging and ringing to be reliably detected by personnel in hazardous locations. Upon lifting the handset, the telephone unit can automatically revert to standard VoIP telephone operation. The telephones can be powered via DC, AC or with Power over Ethernet (POE).

Abstract: A system and method for providing wireless communications between a medical controller hub and an implant node are disclosed. The hub transmits signals to facilitate communication connections with the node. The signals include connection invitation polls with identification parameters. A node monitors the hub's transmissions for the connection invitation polls. When a poll is detected, the node compares the identification parameters to a list of preferred identification values. If the received identification parameter is on the preferred list, and the node and hub are not already connected, then the node responds to the connection invitation poll. If the received identification parameter is not on the preferred list, then the node continues to monitor hub transmissions for other connection invitation polls that include identification parameters that are on the preferred list.

Abstract: A data transmission method receiving a group identifier, a configuration information window length, and an offset between a start point of the configuration information window length and a paging occasion that are sent by a mobility management entity; establishing a public data radio bearer to a terminal corresponding to the group identifier; scrambling configuration information of the public data radio bearer by using a radio network temporary identifier; sending a paging message carrying the group identifier and the radio network temporary identifier to the terminal; sending the scrambled configuration information of the public data radio bearer to the terminal in the configuration information window length; and receiving uplink data transmitted by the terminal on the public data radio bearer.

Abstract: A base station of a mobile communication system divides an ultra wideband into a plurality of unit bands, uses a plurality of beam component carriers corresponding to the L3 CP dedicated unit band as a coverage layer by grouping in one cell in the L3 CP dedicated unit band and uses a plurality of beam component carriers corresponding to the UP dedicated unit band in the UP dedicated unit band as a plurality of capacitor layers by grouping in a plurality of cells of a smaller size than that of the grouping.

Abstract: A communication apparatus according to the present invention includes a storage unit that stores, when the communication apparatus is connected to a first wireless network at a predetermined position, information about the predetermined position, a detection unit that detects whether the communication apparatus exists within a predetermined range including the predetermined position, and a transmission unit that transmits predetermined information, for connecting another communication apparatus to the first wireless network, to the another communication apparatus using a second communication system with a lower power consumption than a first communication system used in the first wireless network in response to the detection unit detecting that the communication apparatus exists within the predetermined range.

Abstract: A node of a first machine-to-machine service provider, M2M SP, is provided. The node of the first M2M SP communicates with a gateway node and a node of a second M2M SP. At least one communication interface configured to receive, from the gateway node, a register message for registering a service capability layer, SCL, of the gateway node with the second NSCL. A processor configured to transmit the register message to the second NSCL and receive a response indicating whether the second NSCL registered the SCL. If the second NSCL registered the SCL, generating a resource instructing the node of the first M2M SP to proxy traffic of the SCL.

Abstract: Provided are a method and an apparatus for monitoring a control channel in a sub-frame including a plurality of orthogonal frequency division multiplexings (OFDMs) in a time division duplex (TDD)-based wireless communication system. A wireless device monitors a downlink control channel in at least one OFDM symbol after an OFDM symbol receives a primary synchronization signal (PSS) in the sub-frame.

Abstract: A method includes receiving, via a first communication interface of a first station, a probe request signal transmitted by a second station, and determining, at the first station, a connectivity type to be used in establishing a wireless communication link between the first and second stations. The determined connectivity type is associated with a different, second communication interface of the first station. The method also includes generating, at the first station, a probe response signal, at least in part by generating a first field within the probe response signal. The first field specifies an address of the second communication interface. The method also includes transmitting, via the first communication interface, the probe response signal to the second station. The address of the second communication interface specified in the first field is useable by the second station to establish the wireless communication link between the first and second stations.

Abstract: The system provides secure controlled access to multiple Bluetooth devices issued to users. For example an officer may be issued a weapon. To enable monitoring of weapon status, a Bluetooth sensor may be fitted to a holster and the Officer issued with a Bluetooth enabled mobile phone. In order to establish a secure Bluetooth connection between the devices, sensor contains a restored link key and the mobile phone stores a partial link key. The supervisor enters their username and password, and a secret key into the phone which is then used with the partial link key to generate a copy of the link key stored in the first device, so that a secure connection can be established with the first device. The officer enters their username and password into the sensor, and once the secure connection is established it is sent over the secure connection to the mobile phone which then sends both user names and passwords to a verification authority.

Abstract: A method for a wireless local area network, the method including selecting, by an access point (AP), a direct link setup (DLS) channel among a plurality of channels, the DLS channel being used for a communication of a DLS link between a first station and a second station; and transmitting, by the AP, a control frame to the first station and the second station, the control frame including a channel field indicating the DLS channel.

Abstract: Methods and terminals for sharing content are described. In one method, an application is activated, upon detection of an event for executing the application, on a terminal, and an application screen having at least one content is displayed. Upon detecting a touch input for selecting, at least one content is selected. Upon detecting a touch input on a transmission button on the application screen, the selected at least one content is transmitted to an external terminal. In another method, an application screen having at least one icon for executing function is displayed; a touch input for selecting an icon associated with content to be received from an external terminal is detected; at least one identifier broadcast by the external terminal is displayed; and at least one content is received from the external terminal corresponding to the selected identifier, upon detection of a touch input for selecting at least one identifier.

Abstract: Methods, systems, and devices are described for device-to-device (D2D) wireless communication. A device may transmit an initiation message to a base station indicating that the device desires to initiate a D2D communication session. The device may then receive a response from the base station that includes parameters for configuration of the D2D session. When it has data to send to another device, the device may transmit buffer status report (BSR) to the base station. The base station may respond with a grant of D2D scheduling assignment (SA) configured according to the previously sent parameters. For example, the message may be scrambled with a D2D temporary identity sequence. In some cases, the device may transmit a group identification (ID) code to the base station, and the group ID may be associated with an index, so an SA for that group can be reference by index.

Abstract: If a master device in device-to-device direct communication designates an object type of a target to be communicated with, transmits a target discovery request message including the object type of the target to be communicated with to a plurality of neighboring target devices, and receives a target discovery response message from one or more target devices corresponding to the object type of the target to be communicated with among the plurality of target devices, the master device determines one target device among one or more target devices as the target to be communicated with.

Abstract: A communication control method applied to a mobile communication system including a user terminal capable of storing an MDT measurement log related to a radio environment measured based on an instruction from a network and a connection establishment failure log related to a failure of RRC connection establishment procedure with the network, the method includes the steps of: reserving a dedicated memory area for storing the connection establishment failure log, by the user terminal; and storing the connection establishment failure log in the dedicated memory area reserved in the reserving step, by the user terminal.

Abstract: A method, apparatus and computer program product are provided in which the network is informed of a connection break with a device having multiple SIMs. In this regard, from the perspective of the device, information regarding a connection break with the device is provided to a network entity associated with a first network, the device communicating with the first network via a first subscription. The method may also cause the connection break to be initiated and causing another connection to be established with the device via a second subscription. From the perspective of the network, a method, apparatus and computer program product are provided in which the network receives information regarding the connection break and, based on the information, performs one or more network optimization actions.

Abstract: A method for receiving data in a User Equipment (UE) in a mobile content network is provided. The method includes transmitting a request message, which requests a content, to a first Digital Unit (DU), receiving an Internet Protocol (IP)_ADD message, including information of a second DU which caches the content, from the first DU, updating a Stream Control Transmission Protocol (SCTP) connection according to the information of the second DU included in the IP_ADD message, and receiving data from the second DU using the updated SCTP connection.

Abstract: A method and an apparatus for simultaneously receiving on two carriers and performing discontinuous transmission (DTX) and discontinuous reception (DRX) in dual cell high speed downlink packet access (DC-HSDPA) are disclosed. A wireless transmit/receive unit (WTRU) receives a message for activating DRX for at least one of an anchor carrier and a supplementary carrier and applies the same DRX pattern to the anchor carrier and the supplementary carrier upon reception of the message. The message may be received via a high speed shared control channel (HS-SCCH) order. The WTRU may activate or de-activate the supplementary carrier based on the physical layer signal. Upon activation of the supplementary carrier, the WTRU may apply the same DRX pattern on both the anchor carrier and the supplementary carrier. The WTRU may flush a hybrid automatic repeat request (HARQ) buffer associated with the supplementary carrier upon de-activation of the supplementary carrier.

Abstract: A method of controlling connection between nodes in a digital interface whereby a first node that is a master node determines a second node to be the master and controls a point-to-point connection or a broadcast connection to another node. The first node having the display device determines the second node to be the master in accordance with a user selection, and transmits a connection command of a predetermined format for transmitting a data stream to the second node. The second node determined as the master in accordance with the transmitted connection command of the predetermined format is allocated with a channel and a bandwidth from an isochronous resource manager (IRM), and performs a point-to-point connection between the second node and the first node to transit the data stream. Thus, the transmission/reception, reproduction, and control of the data stream of the program can be smoothly performed.

Abstract: Certain aspects of the present disclosure provide techniques and apparatus for startup and recovery of a radio link between a relay node and a donor base station. According to certain aspects, a relay node may perform a random access procedure utilizing a random access channel (RACH) to transition between Uu interface operations and Un interface operations. According to certain aspects, the relay node may perform radio link failure (RLF) recovery utilizing RACH procedures for a Un interface. The procedures described herein, according to certain aspects, may utilize a dedicated relay RACH resource and a Relay Physical Downlink Control Channel (R-PDCCH).

Abstract: The present invention is a procedure for a self configuring eNB/E-UTRAN. The eNB/E-UTRAN interacts with the Enhanced Packet Core (EPC) of the LTE network in order to complete the mutual authentication task between the eNB and the EPC and other operating procedures in the eNB self configuration phase.

Abstract: A communication device may receive first information from a terminal device in a case where a first communication link is established via a first type of interface between the communication device and the terminal device. The communication device may determine whether a communication via a second type of interface between the communication device and the terminal device is performable, establish a second communication link via the first type of interface between the communication device and the terminal device, and perform a two-way communication of second information with the terminal device by using the second communication link in a case where it is determined that the communication via the second type of interface is performable. The communication device may not perform the two-way communication of the second information with the terminal device in a case where it is determined that the communication is not performable.

Abstract: An RRH includes a power supply device, an AISG interface, a PA, and a control unit. The PA is operated by a power source with a first voltage or a second voltage that is lower than the first voltage and amplifies a transmission signal. The AISG interface is connected to an antenna control device operated by the power source with the second voltage. The power supply device supplies the power source to the PA and the power source to the antenna control device to the AISG interface. When the antenna control device is operated, the control unit controls such that the power supply device generates the power source with the second voltage, supplies the generated power source to the PA and the antenna control device, and increase power of the transmission signal output from the PA that is operated by the power source with the second voltage.

Abstract: Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application.

Abstract: A heating system is described for generating heat and bringing heat to a semiconductor device under test. The heating system comprises a conduction heating unit comprising a heating resistor, a thermal contact area for thermally contacting the semiconductor device under test, and a thermally conductive and electrically insulating connection between the heating resistor and the thermal contact area. The heating resistor is operable to generate a user-defined amount of heat and arranged to provide a part of the heat generated by the heating resistor to the thermal contact area via the thermally conductive and electrically insulating connection. It is also described that the heating system may further comprise a convection heating chamber operable to provide a user-defined heat-controlled convection to the semiconductor device under test. A method of testing a semiconductor device using a heating system is also described.

Abstract: This device (10) for packaging and dispensing a cosmetic composition, which comprises: a housing (12) capable of being grasped by a user of the device (10); a reservoir (14) contained in the housing (12), the reservoir (14) being intended to contain a cosmetic composition, the cosmetic composition comprising at least one active substance; an assembly (16) for heating the cosmetic composition capable of vaporizing the cosmetic composition de la composition; a control member (18) able to control the heating assembly (16); is characterized in that it has a driving member (22) capable of moving the vaporized cosmetic composition out of the device (10), the control member (18) being able to control the heating assembly (16) so that the vaporized cosmetic composition driven out of the device (10) by the driving member (22) permanently has a temperature less than 70° C.

Abstract: The present invention relates to a heat-generating film and to a heat-generating product comprising same. The heat-generating film of the present invention can continuously and stably generate heat even at a low voltage, for example, at a voltage of 12V or lower. In addition, the heat-generating film of the present invention has excellent comfort properties, filling properties, and flexibility. Accordingly, the heat-generating film of the present invention can be applied to a variety of heat-generating products, for example to a heat-generating sheet for a vehicle or for a baby stroller, or to a variety of portable heat-generating products or the like to exhibit superior effects.

Abstract: There is provided a cooking device which can easily carry out heating setting when performing heating control according to a set temperature. A cooking device includes a heating unit (4) operable to heat an object to be heated; an operation unit (8) including temperature setting switch (11, 12a, 12b) for setting a heating temperature; a temperature sensor (7) operable to detect a temperature of the object to be heated; and a control unit (5) operable to control the heating unit so that the temperature detected by the temperature sensor is equal to the set temperature set by using the temperature setting switch; wherein the control unit automatically sets the cooking mode based on the set temperature.

Abstract: A cooktop is provided that includes heating elements which are combined to a heating zone; a power supply to generate a heating current that operates the heating elements; a switch to open and close a power circuit that includes the power supply and one of the heating elements; and a controller that determines a characteristic variable of the heating current, actuates the switch as a function of a selected power level to operate the heating zone, and activates, in a first operating state, two of the heating elements, which are combined to form the heating zone, in different phases of a heating period.