Abstract: An antenna unit for transmitting and receiving high frequency signals includes a substrate that is optionally encapsulable with a potting compound having a defined dielectric value. Arranged on the substrate are two planar antennas each tuned for the high frequency signal. The planar antennas are designed such that the values of the real parts of the impedances of the planar antennas differ by the square root of the dielectric value of the potting compound. By providing two antennas, wherein one thereof is impedance-matched to a possible potting compound encapsulation, the antenna unit is able to function independently of a possible potting compound encapsulation. Electronic modules which comprise the antenna unit for wireless communication can be implemented according to the platform principle in devices that require a potting compound encapsulation and also in devices that are not encapsulated.

Abstract: A reception apparatus (10) includes plural antennas (101, 102) that are compatible with an LTE communication scheme and one reception processing section (100) processing a reception signal acquired by any one of the plural antennas (101, 102).

Abstract: A method and device for controlling a 5G antenna, and a 5G terminal are provided. The method includes: obtaining contacted situations of areas where a plurality of antennas are located on a terminal; determining whether a non-contacted area is present in the areas according to the contacted situations; in response to presence of the non-contacted area in the areas, selecting an antenna in the non-contacted area in a current scene for use; in response to absence of the non-contacted area in the areas, obtaining influenced degrees of the plurality of antennas and determining whether the influenced degrees are the same; in response to the influenced degrees being the same, selecting an antenna from the plurality of antennas in the current scene for use; in response to the influenced degrees being different, selecting an antenna having the least influenced degree from the plurality of antennas in the current scene for use.

Abstract: Disclosed is a method for controlling the speed of a vehicle, the method comprising: determining a speed limit; determining an offset value based on (i) the speed limit, and (ii) a speed map, the speed map comprising a plurality of entries, each entry associating one of the offset values with a respective speed limit; and setting the speed of the vehicle according to the speed limit and the determined offset value.

Abstract: An apparatus and method configure a diversity antenna in a portable terminal. The apparatus includes a first antenna, a second antenna, a first communication unit for processing a first communication scheme signal communicated through the first antenna, a second communication unit for processing a second communication scheme signal communicated through the second antenna, and a control unit for configuring the first antenna as a diversity antenna for the second communication unit when the first communication unit is not driven.

Abstract: According to one illustrative, non-limiting embodiment, an IHS may include computer-executable instructions for receiving first and second signal quality measurements from first and second antennas disposed at a first and second locations, respectively, in a housing of an IHS in which the first location is distally separated from the second location. The instructions then select one of the first or second antennas according to the first or second signal quality measurement, and establish a first wireless communication link with a remote device using the selected first or second antennas.

Abstract: A wearable training computer includes a global navigation satellite system (GNSS) antenna arrangement configured to provide a group of antenna configurations for receiving a GNSS signal, wherein each antenna configuration provides different radio frequency properties. The wearable training computer further includes a measurement circuitry configured to measure performance of the GNSS antenna and a processing circuitry configured to select, based on at least an activity type of a user of the wearable training computer, a subset of the antenna configurations from the group of the antenna configurations, and further configured to select, from the subset of the antenna configurations based on the measured GNSS antenna performance, an antenna configuration for receiving the GNSS signal.

Abstract: Disclosed are methods and systems for delaying packet transmissions over a wireless communication channel until a more favorable channel condition is detected. A device may measure a channel metric when it receives periodic beacon signals. The device may compare the channel metric against a programmed metric threshold. If the channel metric is less than the metric threshold, the device may delay the transmission of a packet until a later transmission window or transmit opportunity (TXOP) when the channel metric rises above the metric threshold, indicating the presence of a more favorable condition for transmission, or until a preconfigured timeout period elapses before the more favorable condition is found.

Abstract: A transceiving circuit includes a first transmitting circuit, a first receiving circuit, a first switching circuit and a processing circuit. The first transmitting circuit includes a first inductor and a second inductor, wherein the second inductor is coupled between a first node and a second node, and an end of the first inductor is coupled to the second node. The first receiving circuit is coupled to a third node. The first switching circuit is configured to conduct or block the first node and the third node. When the transceiving circuit is operated in a transmitting mode, the processing circuit is configured to control the first switching circuit to disconnect the first node with the third node. When the transceiving circuit is operated in a receiving mode, the processing circuit is configured to control the first switching circuit to connect the first node with the third node.

Abstract: A method and apparatus for restricting measurement based on result of a reference measurement in wireless communication system is provided. A wireless device, in a wireless communication system, receives configuration to perform a first measurement and a second measurement from a network, wherein the first measurement and the second measurement belong to different measurement categories. The wireless device performs the first measurement on unlicensed frequency. The wireless device determines whether to perform the second measurement on the unlicensed frequency based on result of the first measurement.

Abstract: It is presented a method for controlling uplink contribution from a plurality of remote radio heads in a combiner. The method is performed in a remote radio head controller and comprises the steps of: determining a first set of at least one remote radio head; determining a second set of at least one remote radio head, wherein the first set and the second set are disjoint; selecting a first uplink carrier for a first wireless device; selecting a second uplink carrier for a second wireless device; and applying a configuration such that the at least one remote radio head of the first set refrains from contributing on a first channel with uplink signals on the second uplink carrier and that the at least one remote radio head of the second set refrains from contributing on the first channel with uplink signals on the first uplink carrier.

Abstract: Herein is disclosed an antenna pairing system comprising a first plurality of antennas configured to receive an ordered set of transmissions; a signal strength measuring circuit, configured to measure a received signal strength of transmissions within the ordered set of transmissions as received by the first plurality of antennas; one or more processors, configured to identify a pairing transmission, the pairing transmission being a transmission from the ordered set of transmissions having a received signal strength fulfilling a predefined criterion, according to the signal strength measuring circuit; and identify an antenna of the first plurality of antennas at which the pairing transmission was received.

Abstract: Provided is a received signal processing method. The method includes: determining a range of symbol data in a received signal in a time domain; conducting signal integrity evaluation on the received signal within the range of the symbol data; and extracting signal data from the range of the symbol data according to a result of the signal integrity evaluation. Also provided is an apparatus, receiving device and storage medium.

Abstract: The present invention relates to an electronic device and a method for controlling an amplifier on the basis of the state of the electronic device. According to various embodiments of the present invention, the electronic device comprises: a first antenna for transmitting and receiving a wireless signal; a second antenna for receiving the wireless signal and including a low noise amplifier (LNA) for amplifying the received wireless signal; and a processor electrically connected to the first antenna and the second antenna. The processor can be configured to control the LNA of the second antenna to be at least temporarily turned off during transmission of the wireless signal through the first antenna when the electronic device is in a first state. Various embodiments other than the various embodiments disclosed in the present invention are possible.

Abstract: A radio receiver device is arranged to receive a radio signal including a data packet having an address portion and a payload portion, said radio receiver comprising: a first demodulation circuit portion arranged to demodulate the data packet and produce a first estimate of the address portion and a first estimate of the payload portion; a second demodulation circuit portion arranged to demodulate the data packet and produce a second estimate of the payload portion; a first comparison circuit portion arranged to compare said first and second estimates of the payload portion and produce a flag only if they are identical; and a second comparison circuit portion arranged, upon receipt of said flag, to compare said first estimate of the address portion to an expected address portion and to discard the data packet if they are not identical.

Abstract: The present invention is enclosed in the area of wireless communication systems, generally towards the problem of multipath interference, and specifically towards mitigating the effect of standing wave in indoor positioning systems. The present invention includes a standing wave cancellation wireless transmitter configured to, for each signal with wavelength ? to be transmitted, transmit a first wave with wavelength ? and a second wave with wavelength ? and a shift equal to half the wavelength ?. It is also part of present invention a standing wave cancellation wireless receiver configured to perform the average of a first wave with wavelength ? and a second wave with wavelength ? and a shift equal to half the wavelength ?, creating a single received signal and a system comprising at least one of said wireless transmitters and at least one of said wireless receivers and a method implemented by the said transmitter and receiver.

Abstract: The present invention relates to a wireless charging device including a communication signal compensator, a communication signal compensator comprises a power detector configured to detect a magnitude of a communication signal received through each of the plurality of antennas, and a control unit configured to acquire a communication signal having the greatest signal magnitude as the detection result, select an antenna corresponding to the communication signal having the greatest signal magnitude among the plurality of antennas, and transmit, to the coupling antenna, a switch control signal for controlling the switch to be connected to the selected antenna.

Abstract: The present disclosure relates to a wireless communication device and a method for switching an antenna of a wireless communication device that includes a first antenna in an operation state and a second antenna in a standby state. The method includes detecting a first performance parameter of the first antenna, the first performance parameter including at least one of a strength of a received signal at the first antenna and a sensitivity of the first antenna; and when the first performance parameter of the first antenna is lower than a preset threshold, switching the second antenna to the operation state, and switching the first antenna to the standby state. The technical solution can improve a communication quality of the wireless communication device by enabling a standby antenna when performance of an antenna in the operation state has been degraded.

Abstract: A method and device using a single transmitter (TX) and/or a single receiver (RX) is provided for determining an angle measurement between the transmitter and receiver for an ultra-wideband (UWB) system. A plurality of RX antennas is coupled to the receiver and a plurality of TX antennas is coupled to the transmitter. An IEEE 802.15.4z standard provides a silent period or gap before and after scrambled timestamp sequences (STS) in a frame. An active antenna is switched to a different antenna in the gaps. This allows the angle measurements to be performed with only a single transmitter and receiver within one channel impulse response (CIR) measurement cycle.

Abstract: A digital repeater system for repeating RF signals comprises: a receiving section for receiving an RF input signal, the RF input signal comprising at least one frequency band including a multiplicity of subbands associated with a multiplicity of communication channels; and at least one transmitting section for transmitting the RF output signal. The receiving section is constituted to digitize the RF input signal to obtain a digital input signal and to isolate, within the digital input signal, the multiplicity of subbands from each other to obtain a multiplicity of digital subband signals. The at least one transmitting section is constituted to combine the digital subband signals to obtain a digital output signal and to convert the digital output signal to an RF output signal.

Abstract: A communication device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured based on one or more diversity modes of operations. The diversity modes of operations may comprise a spatial diversity mode, a frequency diversity mode, and/or a polarization diversity mode. Diversity mode configuration may comprise forming, based on selected diversity mode, a plurality of communication modules from the plurality of distributed transceivers, wherein each of the plurality of communication modules may comprise one or more antennas and/or antenna array elements, and one or more of said plurality of distributed transceivers associated with said one or more antennas and/or antenna array elements. The plurality of communication modules may be utilized to concurrently communicate multiple data streams. The multiple data streams may comprise the same data.

Abstract: A radio system for radio communication comprises at least two antennas that are spaced from each other by a distance. The distance is set to enable independent transmission or reception of radio signals via the at least two antennas. The system comprises a selection module configured to select at least one of the at least two antennas for radio transmission and/or radio reception.

Abstract: A communication device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured based on one or more diversity modes of operations. The diversity modes of operations may comprise a spatial diversity mode, a frequency diversity mode, and/or a polarization diversity mode. Diversity mode configuration may comprise forming, based on selected diversity mode, a plurality of communication modules from the plurality of distributed transceivers, wherein each of the plurality of communication modules may comprise one or more antennas and/or antenna array elements, and one or more of said plurality of distributed transceivers associated with said one or more antennas and/or antenna array elements. The plurality of communication modules may be utilized to concurrently communicate multiple data streams. The multiple data streams may comprise the same data.

Abstract: A power saving receiver has a controller which is operative to remove power from the receiver when a threshold is exceeded during reception of a packet. The threshold level is formed by comparison of any of: signal energy of unoccupied subcarriers less the signal energy in occupied subcarriers; signal energy in a first range of occupied subcarriers compared to signal energy in a different range of occupied subcarriers; error vector magnitude from a first set of subcarriers to a second set of subcarriers in a different spectral region of the channel; cyclic prefix cross-correlation, or common phase error increase.

Abstract: A communication device that comprises a plurality of distributed transceivers, a central processor and a network management engine may be configured based on one or more diversity modes of operations. The diversity modes of operations may comprise a spatial diversity mode, a frequency diversity mode, and/or a polarization diversity mode. Diversity mode configuration may comprise forming, based on selected diversity mode, a plurality of communication modules from the plurality of distributed transceivers, wherein each of the plurality of communication modules may comprise one or more antennas and/or antenna array elements, and one or more of said plurality of distributed transceivers associated with said one or more antennas and/or antenna array elements. The plurality of communication modules may be utilized to concurrently communicate multiple data streams. The multiple data streams may comprise the same data.

Abstract: A magnetic antenna is disclosed. The magnetic antenna includes a dual-band magnetic antenna. The dual-band magnetic antenna includes a first magnetic loop and a second magnetic loop. The first magnetic loop is associated with a first frequency band, and the second magnetic loop is associated with a second frequency band.

Abstract: A smart keyless entry system having an on-vehicle apparatus installed in a vehicle and a portable device configured to communicate with the on-vehicle apparatus includes a location calculating unit configured to calculate a location of the portable device through communication between the on-vehicle apparatus and the portable device, and a vertical-position calculating unit configured to calculate a vertical position of the portable device, wherein the on-vehicle apparatus and the portable device communicate with each other under conditions adjusted in response to the calculated vertical position of the portable device, and wherein control is performed based on the calculated location of the portable device.

Abstract: The present disclosure discloses an adaptive antenna switching system and switching method, and an intelligent terminal, the method comprises obtaining a first antenna module corresponding to a first front-end module; and when the first antenna module meets a switching condition, matching the first front-end module with the first antenna module match, and performing data interaction through the first antenna module. The antenna module in the present disclosure is capable of adaptive adjustment according to a usage condition of a user, which ensures that an antenna state can be dynamically switched in real time when one or more antenna modules therein exhibit severe signal attenuation or abnormal signal interruption within a period, thus ensuring that wireless performance of the first front-end module currently used by a user is maintained at an optimal level, and improving user experience of the intelligent terminal.

Abstract: The present disclosure provides a downlink control signaling sending method and device. The method includes: determining, by a base station, a first transmission type of a first terminal device and a second transmission type of a second terminal device; and sending demodulation information to the first terminal device according to the first transmission type and the second transmission type by using downlink control signaling, where the demodulation information is used to instruct the first terminal device to demodulate a transmission signal of the first terminal device that is received by the first terminal device. In this way, content of the demodulation information to be sent is specifically determined, so as to effectively resolve a problem that, during pairing at a plurality of layers, when different power ratios are configured on different subbands, a large amount of signaling needs to be consumed for notification to the first terminal device.

Abstract: A tracking device for global tracking of objects is provided including a patch package comprised of a flexible material and an electronic circuit embedded within the patch package. The electronic circuit includes a controller, a secured basic input/output (BIOS) system, a memory unit, a radio unit, and an antenna. The radio unit and the antenna transmit the location of the tracking device. The antenna may be a wire antenna or a ball antenna. The flexible material may be sticky such that the tracking device may be affixed to an object. The electronic circuit may also include an affix sensor configured to determine whether the tracking device is affixed to and removed from an object. Methods of tracking objects using tracking device are also provided in which the tracking device is affixed to an object and a transmission is received from the electronic circuit providing location information of the tracking device.

Abstract: A system is described where antenna beam steering techniques are implemented to optimize time and frequency channel resources in wireless communication systems where repeaters are used. Beam steering modes of the antenna systems in the repeaters as well as the nodes are optimized to improve system capacity and load balancing. Client devices in a wireless LAN system can be configured to work as repeaters, with the repeaters containing a beam steering capability. The beam steering capability can be implemented in one or multiple nodes and repeaters in the communication system.

Abstract: One example includes a digital communications converter. The converter includes at least one analog signal port configured to couple to at least one radiating element associated with an antenna structure coupled to an exterior surface of a vehicle. The at least one analog signal port can be configured to at least one of transmit and receive analog radio frequency (RF) signals respectively to and from the at least one radiating element. The converter also includes a digital interface configured to at least one of receive the analog RF signals or transmit the analog RF signals via the respective at least one analog signal port. The converter is also configured to convert between the analog RF signals and digital communication signals on a digital transmission medium that are at least one of transmitted to the digital communications converter via a digital communications cable and transmitted from the digital communications converter via the digital communications cable.

Abstract: Embodiments of the invention pertain to Radio Frequency Identification (RFID) method and system using an antenna array, an array controller, and control algorithms. Embodiments of the invention can induce strong radio-frequency (RF) excitation, for a given level of radiated RF power, at any point within an arbitrary inhomogeneous medium. For RFID applications, one typical inhomogeneous medium is an ensemble of cases on a pallet. Another typical medium is a warehouse environment having stored goods together with shelving and other material present. An embodiment of the invention is applicable to the process of reading battery-less, or “passive” RFID tags, which rely on incident RF electromagnetic fields established by RFID readers to power the electronic circuitry within the tags.

Abstract: An apparatus comprising a first dipole antenna, a beamforming antenna array (BFAA), a first switch coupled to the dipole antenna, a second switch coupled to the BFAA, and a processor coupled to the first switch and the second switch, wherein the processor is configured to select between a multi-input, multi-output (MIMO) antenna configuration and a beamforming configuration by setting the states of the first switch and the second switch.

Abstract: A vehicle includes a position detector configured to obtain position information on a target vehicle, and a wireless communication unit configured to form a first beam pattern based on the position information on the target vehicle, and communicate with the target vehicle through a radio wave of the first beam pattern. The wireless communication unit reforms the beam pattern according to a position of the target vehicle in order to maintain the communication with the target vehicle.

Abstract: A vehicle includes a wireless communication unit configured to form a beam pattern for performing wireless communication with a target vehicle, a camera module configured to obtain an image of at least one peripheral vehicle, and a display unit configured to display the image. When the target vehicle is selected based on the displayed image, the beam pattern is formed toward the selected target vehicle.

Abstract: A method for reducing complexity of downlink signal demodulation in a multiuser (MU) multiple-input-multiple-output (MIMO) wireless communication system includes a base station acquiring uplink (UL) channel state information (CSI) of a MIMO channel between the base station and a user equipment (UE), deriving downlink (DL) CSI from the UL CSI, and transmitting orthogonal frequency-division multiplexing (OFDM) radio subframes using MIMO pre-equalization based on the DL CSI. The UE performs downlink reciprocity correction of the OFDM subframes received from the base station using a single complex phasor estimate and performs downlink data demodulation of the downlink reciprocity corrected OFDM subframes without performing additional MIMO equalization.

Abstract: A method for switching Bluetooth working modes, an electronic device, and a Bluetooth chip are disclosed. The method includes: executing a first Bluetooth working mode, the first Bluetooth working mode including a working state in which data is normally transmitted and an error state in which data fails to be transmitted; monitoring a first interrupt request signal sent in a second Bluetooth working mode if the first Bluetooth working mode works in the working state; and executing the second Bluetooth working mode and enabling the first Bluetooth working mode to work in the error state if the first interrupt request signal is present.

Abstract: A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas.

Abstract: A wireless adapter front end for an information handling system may comprise a wireless adapter for receiving content via a transceiving antenna configurable to have a plurality of antenna radiation patterns, and a controller. The controller may execute code instructions to receive a trigger input indicating decreased signal strength, measure RSSI variance of the wireless link, measure a rate of mobility of the information handling system determined from accelerometer data or velocity data, identify an allotted training duration time period associated with the rate of mobility and RSSI variance, identify an optimal antenna pattern associated with a highest quality link within the allotted training duration time period, and instruct the transceiving antenna to operate according to the optimal antenna pattern.

Abstract: A communication platform such as a spacecraft, airborne platform, or terrestrial line of site wireless platform is provided with adaptive digital beamforming. The satellite digitizes a full spectrum allocation for digital channelization. A channelization engine can determine a particular user or user group associated with an uplink signal. In this manner, the communication platform can apply different processing based on the user or group associated with a signal. For example, the communication platform receives uplink signals associated with a first user group and a second user group in one embodiment. The platform dynamically generates one or more spot beams for the first user group and the second group. The platform discriminates the uplink signals to apply frequency hopping for the downlink frequency channel assignments to the second user group while the downlink frequency channel assignments for the first user group remain fixed.

Abstract: A system for enhancing power efficiency of a wireless device is disclosed. In one embodiment, the wireless device includes a transmitter having a transmitter antenna and configured to transmit a signal, as well as an energy receiver having a plurality of energy receiver antenna elements positioned across one or more surfaces of the wireless device. The energy receiver antenna elements are each configured to receive a portion of the signal, convert the portion of the signal into power, and provide the power to one or more components of the wireless device.

Abstract: A mobile terminal comprises a case; a main board packaged in the case; a signal supply unit packaged on the main board, supplying a radio signal; an antenna radiator packaged in the case, including a conductive material and transmitting and receiving a signal of a first frequency; an antenna tuner packaged in the case, including a conductive material; a feeding line located on the main board, having one end connected with the signal supply unit and the other end connected with the antenna radiator; and a tuning line located on the main board, having one end connected to the feeding line and the other end connected with the antenna tuner, wherein the tuning line and the antenna tuner compensate for impedance of the feeding line and the antenna radiator. The mobile terminal can prevent wireless communication performance from being deteriorated by impedance distorted by an external environment like that a body of a user approaches the antenna radiator.

Abstract: A tunable filter reduces the total number of filters used in TDD (Time-Division Duplex) communication circuitry. The communication circuitry may include a tunable filter and a first switch associated with the tunable filter. The tunable filter may include a tuning component and a filtering component. The tuning component may be located with the first switch on a first die. The filtering component may be located in a laminate underneath the first switch. Power amplifiers for amplifying transmission signals may be located on a second die, and the second die may be located on the laminate.

Abstract: A wireless system, and particularly, a multiple-input multiple-output (MIMO) wireless communication system is disclosed. The wireless system includes a plurality of (re)configurable antennas and a rate-two space coding design for a MIMO system. The MIMO wireless communication system generally includes M (re)configurable antennas configured to independently transmit or broadcast wireless electromagnetic signals having a frequency in the microwave and/or optical ranges, a controller configured to control the (re)configurable antennas, and an encoder configured to encode information onto the wireless electromagnetic signals. The information comprises codewords having N symbols, and the codewords are expressed in an N×M matrix having a non-zero determinant and in which at least one symbol is associated with a coefficient configured to maximize diversity, maximize coding gain and/or reduce channel fading in the MIMO wireless communication system. M and N are each independently an integer of at least 2.

Abstract: It is realized to transmit a reference signal for channel estimation a predetermined number of times with one signaling.

Abstract: A tracking device for global tracking of objects is provided including a patch package comprised of a flexible material and an electronic circuit embedded within the patch package. The electronic circuit includes a controller, a secured basic input/output (BIOS) system, a memory unit, a radio unit, and an antenna. The radio unit and the antenna transmit the location of the tracking device. The antenna may be a wire antenna or a ball antenna. The flexible material may be sticky such that the tracking device may be affixed to an object. The electronic circuit may also include an affix sensor configured to determine whether the tracking device is affixed to and removed from an object. Methods of tracking objects using tracking device are also provided in which the tracking device is affixed to an object and a transmission is received from the electronic circuit providing location information of the tracking device.

Abstract: A method for controlling antennas in a vehicle having an external antenna and an internal antenna includes triggering an eCall service function upon sensing an accident occurrence event, measuring a quality of one or more wireless signals received through the external antenna, comparing the measured quality of the wireless signals with a reference quality value, and selecting one of the external antenna and the internal antenna to be used in the eCall service function based on the results of the step of comparing the measured quality of the wireless signals with the reference quality value. A system of emergency communication of a vehicle is also provided.

Abstract: Apparatus and methods of mobility management include identifying a target cell as an active set candidate. The apparatus and methods further include determining that a trigger adjustment condition exists, wherein the trigger adjustment condition triggers an adjustment of a timing value that indicates a sending time of a target cell add message to a serving cell. Moreover, the apparatus and methods include sending the target cell add message including the target cell to the serving cell based on determining that the trigger adjustment condition exists.

Abstract: A radio frequency (RF) circuit for a ring antenna array element includes first and second feed elements, and a conductive element disposed between the first and second feed elements. The first and second feed elements are electrically couplable to a conductive resonator for a frequency band. The first feed element is configured to conduct an electromagnetic current. The conductive element is configured to resonate outside the frequency band to reduce cross-coupling between the first feed element and the second feed element due to the electromagnetic current.