Abstract: A method of transmitting includes categorizing a transmission between the first device and a second device as one of a plurality of transmission types, and selecting an air interface from a plurality of air interface candidates in accordance with the transmission as categorized. The method also includes sending the transmission to the second device using the selected air interface.

Abstract: Example methods and apparatus for configuring an antenna are disclosed. One method includes determining a communication status of each of a plurality of communications modules in a terminal device. An antenna use priority of each communications module is determined based on the communication status of the communications module. An antenna for each communications module is configured based on the antenna use priority of the communications module.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a first hybrid automatic repeat request acknowledgement (HARQ-ACK) payload for a first component carrier (CC) set based at least in part on a first downlink assignment index (DAI). The UE may determine a second HARQ-ACK payload for a second CC set based at least in part on a second DAI. The UE may transmit the first HARQ-ACK payload for the first CC set and the second HARQ-ACK payload for the second CC set. Numerous other aspects are provided.

Abstract: Various communication systems may have various mechanisms for handling data loss. For example, certain wireless communication systems may benefit from appropriate handling of uplink coordinated multipoint helper data loss on a subset of symbols within a transmission time interval. A method can include receiving helper data corresponding to a portion of an uplink subframe. The method can also include performing coordinated multipoint processing on the portion of the uplink subframe using the helper data.

Abstract: A technique is presented for correcting phase distortion in a digital wireless transmitter. The technique includes: receiving an RF signal in an analog domain by a digital-to-RF modulator; amplitude modulating, the RF signal in accordance with a digital input code; and introducing delay in a signal path traversed by the RF signal before the digital-to-RF modulator using a delay circuit. The duration of the delay depends upon the value of the digital input code and substantially cancels out the phase distortion introduced by the digital wireless transmitter.

Abstract: Communicating wireless devices collaborate and utilize waveforms to enable secure channel estimation. To protect against a repetitive replay attack, some embodiments include Single Carrier Physical Layer (SC-PHY) waveforms and/or interpolated OFDM waveforms that do not include a repeatable or predictable structure. The waveforms are transmitted in ranging packet structures that are compatible with legacy 802.11 technologies that do not utilize secure channel estimation. The ranging packets are received in combination with the information previously exchanged to enable the receiving wireless system to securely determine a channel estimate (e.g., determine a channel estimate without an interloper transmission that is not an authentic first arrival path in a multi-path channel between the wireless systems). Thus, one or both of the wireless systems can estimate the distance between them (or range). Devices utilizing legacy 802.

Abstract: A base station control method for a wireless communication system, a base station control apparatus, a wireless communication system and an electronic device. The wireless communication system includes a small cell. The base station control apparatus includes an upper limit determination unit and a frequency band control unit; wherein the upper limit determination unit is configured to determine the upper limit of the estimated number of small cells using unlicensed frequency bands in a target region according to available unlicensed frequency band resources and estimated service volume in the target region; and the frequency band control unit is configured to control one or more small cells to use or stop using the unlicensed frequency bands according to the upper limit of the estimated number, so that the number of small cells operating at the unlicensed frequency bands is not greater than the upper limit of the estimated number.

Abstract: A wideband simultaneous transmit and receive (STAR) subsystem for a radar or communications system including self-interference cancellation and external noise cancellation. The STAR subsystem includes a canceller circuit which digitally prepares a cancellation signal to cancel out leaked or reflected portions of the transmit signal and correlated noise in the receiver signal. The self-interference cancellation can be adaptively configured in a closed-loop mode, and operated open loop in real time to minimize bandwidth limitations and achieve wideband performance. The STAR subsystem also includes an external noise active canceller which greatly diminishes high-power external noise in the receiver signal. The external noise canceller digitally synthesizes a cancellation signal which dramatically improves the signal-to-noise ratio in the receiver. Together, the combined cancellation techniques prevent receiver saturation and preserve receiver sensitivity.

Abstract: A method for automatic Bluetooth connection in a head unit of vehicle includes discovering an advertisement from a mobile device, based on a period of advertisement discovery, when at least one advertisement corresponding to the mobile device is discovered, changing the period of advertisement discovery, discovering the advertisement based on a changed period of advertisement discovery, and arranging a Bluetooth connection between a head unit and a mobile device corresponding to the discovered advertisement.

Abstract: According to an embodiment, a communication apparatus includes a switching unit, a reception unit, a rising edge detector, a symbol detector, and a switching timing detector. The switching unit switches a transmission operation of a signal in the communication apparatus between uplink signal transmission and downlink signal transmission. The reception unit receives a signal transmitted in a time division multiplexing scheme. The rising edge detector detects a rising edge of a received signal received by the reception unit. The symbol detector detects a symbol of a signal indicating a guard time in the time division multiplexing scheme from the received signal. The switching timing detector detects a switching timing of the transmission operation from the switching unit on the basis of detection results of the rising edge detector and the symbol detector.

Abstract: A method of transmitting includes categorizing a transmission between the first device and a second device as one of a plurality of transmission types, and selecting an air interface from a plurality of air interface candidates in accordance with the transmission as categorized. The method also includes sending the transmission to the second device using the selected air interface.

Abstract: There is provided a user terminal capable of realizing a low delay communication in the next generation mobile communication system, including: a reception section that receives at least one downlink control information out of first downlink control information for scheduling reception of downlink data and second downlink control information for scheduling transmission of uplink data; and a control section that controls to perform reception of the downlink data and/or transmission of the uplink data corresponding to the downlink control information at a predetermined transmission time interval (TTI), wherein the control section is configured to set the predetermined TTI to the same TTI based on the TTI that has received the downlink control information, regardless of whether the downlink control information is the first downlink control information or the second downlink control information.

Abstract: The present invention relates to a wireless communication system and, specifically, provides a method for reporting a channel state and an apparatus therefor. A terminal of the present invention receives, from a base station, configuration information for a plurality of sets, each including at least one of a plurality of channel state information-reference signal (CSI-RS) resources configured for a channel state information (CSI) process. The terminal reports CSI measured on the basis of only at least one CSI-RS resource included in a first set which is one of the plurality of sets. Here, the first set may include only some CSI-RS resources of the plurality of CSI-RS resources configured for the CSI process.

Abstract: Methods and systems for wireless packet switching include determining a schedule for a plurality of transceivers in an enclosure. The schedule specifies which of the plurality of transceivers will act as a transmitter and which will act as a receiver. Data is transmitted from each transmitter to a corresponding receiver with a configured beamforming direction. Data is transmitted from a transmitter to a corresponding receiver by a wired connection if an angle of the beamforming direction is lower than a minimum angle.

Abstract: A method of transmitting includes categorizing a transmission between the first device and a second device as one of a plurality of transmission types, and selecting an air interface from a plurality of air interface candidates in accordance with the transmission as categorized. The method also includes sending the transmission to the second device using the selected air interface.

Abstract: In wireless communications, an access point may send a first frame to multiple stations. In one aspect, the first frame may include resource allocation information for uplink multi-user transmission. In response to the first frame, one or more stations may measure the channel characteristics associated with the first frame and send a second frame(s) for uplink multi-user transmission, where the second frame(s) includes resource preference information associated with the respective station(s). The access point may then generate and transmit a third frame based on the resource preference information. In another aspect, in response to the first frame, one or more stations may send a second frame(s) spanning the channel bandwidth supported by the respective station(s). The access point may measure the channel characteristics associated with the second frame and generate and transmit a third frame based on the measured channel characteristics.

Abstract: A method for wireless communication by a wireless communication device is described. The wireless communication device determines that an aggressor radio in the wireless communication device is causing (or can potentially cause) self-jamming to a victim radio in the wireless communication device. A precoding configuration is selected based on one or more link throughput metrics and one or more self-jamming metrics. The precoding configuration is applied to transmissions of the aggressor radio.

Abstract: In one embodiment, a signal transduction system includes an arrangement of interacting unit cells. Each unit cell can have one or more adjustable parameters that are adjustable to enable one or more adjustable impedance values of the unit cells at each of one or more operational frequencies. The interactions of the unit cells within the arrangement of the interacting unit cells can be describable with an interaction matrix that is approximately independent of the adjustable impedance values of the unit cells.

Abstract: In accordance with one or more aspects and corresponding disclosure thereof, various aspects are described in connection with channel state information (CSI) for a plurality of downlink carriers. In providing the CSI from a user equipment (UE), respective CSI reports may be determined for the plurality of downlink carriers. The respective CSI reports may be scheduled to be conveyed on a plurality of uplink carriers in a subframe. A determination may be made as to whether the UE is power limited for that subframe. Based at least in part on the determination, the respective CSI reports may be transmitted on the plurality of uplink carriers in the subframe, or transmitted on a subset of the plurality of uplink carriers in the subframe, or dropped.

Abstract: A method of transmitting includes categorizing a transmission between the first device and a second device as one of a plurality of transmission types, and selecting an air interface from a plurality of air interface candidates in accordance with the transmission as categorized. The method also includes sending the transmission to the second device using the selected air interface.

Abstract: A method communicates between secured computer systems in a computer network infrastructure. Data packets are transmitted between a plurality from a group of processing computer systems, wherein such a transmission is performed by at least one broker computer system. The data packets are advantageously routed via at least one relay system connected upstream or downstream of the broker computer system in a transmission path of the data packets. All from the group of processing computer systems keep predetermined network ports at least temporarily closed so that access to a respective processing computer system via a network by the network ports is prevented. The relay system keeps predetermined network ports closed at least to the broker computer system, which has the relay system connected downstream so that access to the relay system via a network by the network ports is prevented.

Abstract: A method of transmitting includes categorizing a transmission between the first device and a second device as one of a plurality of transmission types, and selecting an air interface from a plurality of air interface candidates in accordance with the transmission as categorized. The method also includes sending the transmission to the second device using the selected air interface.

Abstract: A frame configuration is assigned in a relay enabled communication network. A macro coverage latency is determined. The macro coverage latency is a latency of a communication between the wireless device and a network node when the wireless device is not communicating through the relay node. A relay coverage latency is determined. The relay coverage latency is a latency of a communication between the wireless device and the network node when the wireless device is communicating through the relay node. Based on a comparison of the macro coverage latency and the relay coverage latency, a frame configuration is selected for a communication through the relay node.

Abstract: A communication method and a terminal device are provided. The communication method includes: receiving, by a network device of a first communications standard, a suspension notification message sent by a terminal device, where the suspension notification message is used to notify that the terminal device is to leave a network of the first communications standard to listen to a network of a second communications standard, the network of the first communications standard carries data services, and the network of the second communications standard carries voice services; and suspending, by the network device according to the suspension notification message, sending scheduling information to the terminal device, and suspending detecting measurement information sent by the terminal device. The communication method, the network device, and the terminal device that are provided in the present disclosure can be used to save scheduling resources and avoid detection of an incorrect measurement quantity.

Abstract: A terminal device configured to perform D2D transmission by a higher layer includes: a reception unit receiving from a base station device one or a plurality of first parameters relating to transmit power and receiving a second parameter for configuring a first transmission resource from the base station device; and a transmission unit performing, upon receipt of the second parameter in an RRC idle state, the D2D transmission using the first transmission resource with the transmit power in accordance with a first parameter corresponding to an authorized range among the one or plurality of first parameters.

Abstract: A method for performing self-interference removal by a communication device using a full-duplex radio (FDR) mode, according to an embodiment of the present invention, comprises a step for branching a residual self-interference signal, after removal of an antenna self-interference signal, into a plurality of reception RF chains. And the present invention enables determining of whether or not digital self-interference removal is to be performed after combining the plurality of self-interference signals, which have been branched, on the basis of a predefined threshold and strength of each of the plurality of self-interference signals that have been branched.

Abstract: A wireless access system supporting an unlicensed band and, more particularly, to a method for measuring a channel state and an apparatus for supporting the same.

Abstract: Embodiments described herein provide a method in a network node for configuring interference measurements for a wireless device. According to the method, the network node receives information indicating whether a channel state information interference measurement (CSI-IM) resource configuration restriction applies for the wireless device. The network node further configures CSI-IM resources for the wireless device based on the information.

Abstract: A mobile station (MS), a base station subsystem (BSS), and various methods are described herein that enable the MS to receive acknowledgement of an access attempt for performing a multilateration timing advance (MTA) procedure using an Access Burst method without also being assigned resources.

Abstract: A mobile station (MS), a base station subsystem (BSS), and various methods are described herein that enable the MS to receive acknowledgement of an access attempt for performing a multilateration timing advance (MTA) procedure using an Access Burst method without also being assigned resources.

Abstract: A full-duplex transceiver is provided with componentry and methods for cancellation of nonlinear self-interference signals. The transceiver is capable of receiving an incoming radio-frequency signal that includes both a desired radio-frequency signal component and a self-interference component caused by the transceiver's own radio-frequency transmission. The transceiver demodulates the incoming radio-frequency signal to generate a first demodulated signal. The transceiver combines an analog corrective signal with the first demodulated signal to generate a second demodulated signal with reduced self-interference. The transceiver processes the first and second demodulated signals to determine a desired incoming baseband signal and to determine nonlinear components of the self-interference signal, such as nonlinearities introduced by the transceiver's power amplifier.

Abstract: A system that enhances Wi-Fi display and enables a non WFD device to establish a session with a WFD source in an existing WFD session and to function as an offline WFD source without terminating an existing WFD session. The system enables an offline WFD source to stream multimedia content and control packets to sinks via the WFD source and control packets from the sinks to the offline WFD source. The system eliminates a need to reestablish a new session and improves workflow and a user experience.

Abstract: A method for stably operating an FDR mode by a terminal in a wireless communication system supporting the full-duplex radio (FDR) mode comprises the steps of: if a residual self-interference signal is changed to a predetermined threshold or higher in a terminal, transmitting information about the changed residual self-interference signal to a base station; and receiving from the base station a downlink signal on the basis of a modulation and coding scheme (MCS) level that corresponds to the information about the changed residual self-interference signal.

Abstract: Provided in one disclosure of the present specification is a method for transmitting a hybrid automatic repeat request (HARQ) acknowledgement (ACK)/negative-acknowledgement (NACK) for downlink data, when more than five cells are used according to carrier aggregation (CA) by a user equipment (UE).

Abstract: The present invention is designed to control the antenna selection in a user terminal adequately even when the user terminal connects with a plurality of radio base stations by employing dual connectivity (DC). A user terminal supports communication which uses dual connectivity with a plurality of radio base stations that each configure a cell group formed with one or more cells, and this user terminal has a transmission section that transmits UL signals to one or a plurality of cell groups, and a control section that controls the antenna selection for transmitting the UL signals, and, when antenna selection for a serving cell (UE transmit antenna selection) is configured, the control section controls the antenna selection expecting that the plurality of cell groups are not configured.

Abstract: A full duplex transceiver includes a phased array antenna panel transmitter and a phased array antenna panel receiver. The full duplex transceiver may include at least one dummy antenna row situated between the phased array antenna panel transmitter and the phased array antenna panel receiver, the at least one dummy antenna row having at least one dummy antenna connected to a terminating resistor. The phased array antenna panel transmitter forms a desired radio frequency (RF) transmit beam at a target angle, and forms a null at an angle so as to minimize reception of offending transmit signals at said phased array antenna panel receiver. The phased array antenna panel receiver may receive offending transmit signals from the phased array antenna panel transmitter and a desired receive signal at a combined input power level.

Abstract: A wireless device receives a downlink control information comprising a first field and a second field. The wireless device determines a position of a first subframe in one or more subframes employing the first field. The wireless device transmits, in the first subframe, one or more channel state information (CSI) fields when the second field is set to trigger a CSI report.

Abstract: A mobile station (MS), a base station subsystem (BSS), and various methods are described herein that enable the MS to receive acknowledgement of an access attempt for performing a multilateration timing advance (MTA) procedure using an Access Burst method without also being assigned resources.

Abstract: A wireless communication device includes, in part, an analog interference cancellation circuit and a controller. The analog cancellation circuit includes a multitude of delay paths each including a delay element and a variable attenuator. The controller dynamically varies the attenuation level of each of the variable attenuators in accordance with the frequency response characteristic of that attenuator to remove a portion of a self-interference signal present in a signal received by the device. The device measures the frequency response characteristic of the communication channel, used in determining the attenuation levels, via one or more preamble symbols. A second portion of the self-interference signal is removed by the device using a multitude of samples of a transmitted signal and a multitude of samples of a signal to be transmitted.

Abstract: Aspects of this disclosure relate to providing over temperature protection for a filter in a radio frequency system. The filter can include an integrated temperature sensor. A power level of a radio frequency signal provided to the filter can be reduced responsive to an indication of temperature provided by the integrated temperature sensor satisfying a threshold.

Abstract: One example discloses an antenna tuning device, including: a controller configured to be coupled to a transceiver having an antenna tuner; wherein the transceiver is coupled to an antenna; wherein the controller is configured to receive a measured current signal from the transceiver corresponding to a current sent to or received by the antenna; and wherein the controller is configured to change an impedance of the antenna tuner in response to the measured current signal.

Abstract: A method for allocating network resources to user equipments (UEs) includes configuring a first group of component carriers with resource allocations indicated by a joint downlink control information (DCI) message, configuring a second group of component carriers with resource allocations for each component carrier indicated by a dedicated DCI message, generating the joint DCI message indicating first resource allocations for a first subset of the first group of component carriers, generating a plurality of dedicated DCI messages, wherein each dedicated DCI message indicates a second resource allocation for a component carrier in a second subset of the second group of component carriers, mapping each one of the joint DCI message and the plurality of dedicated DCI messages to a control channel, and sending the control channels to the UE.

Abstract: The disclosure relates to transmission power control for Full Duplex, FD, Communications. In particular it relates to methods in a wireless device and in a network node of controlling Full Duplex, FD, transmission power using Maximum Power Reduction, MPR, parameters for FD Communications and to a corresponding network node, wireless device and computer program. According to some aspects, the disclosure relates to a method, performed in a wireless device 10, being served by a network node 20, for controlling Full Duplex, FD, transmission power. The method comprises receiving (S1), from the network node, information indicative of a downlink transmission power of the network node, and obtaining (S3) at least one Full Duplex maximum power reduction parameter, based on the received information.

Abstract: Provided are a method and a device whereby a synchronization signal is transmitted and received. One embodiment of the present invention involves using one of a plurality of cells (first cell hereinbelow) in order to transmit synchronization signal setting information of a cell (second cell hereinbelow) set in an unlicensed band of the plurality of cells. The synchronization signal is transmitted on the second cell, based on the synchronization signal setting information. The synchronization signal is used in order to acquire time and frequency synchronization with the second cell.

Abstract: A full-duplex communication method for a multi-hop wireless network including a source end for transmitting data, a destination end as a destination of the data and at least one relay for connecting the source end and the destination end wirelessly includes sending a transmission request from the source end to the destination end through the at least one relay in forward order, sending a transmission confirmation from the destination end to the source end through the at least one relay in reverse order in response to the transmission request and the at least one relay entering a ready state, and transmitting the data from the source end to the destination end through the at least one relay using a full-duplex scheme after receiving the transmission confirmation.

Abstract: A system for interference mitigation including a transmit coupler that samples the RF transmit signal to create a sampled RF transmit signal; a transmit analog canceller that transforms the RF transmit signal to an RF interference cancellation signal, according to a first configuration state; a first receive coupler that combines the RF interference cancellation signal and the RF receive signal to generate a composite RF receive signal; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled RF transmit signal to generate a cleaned transmit signal; a first frequency downconverter that converts the transmit signal to a BB transmit signal; a second frequency downconverter that converts the composite RF receive signal to a composite BB receive signal; and an analog-to-digital converter that converts the transmit signal to a digital transmit signal.

Abstract: A method of interference cancellation includes the following steps: performing a take-energy operation on a to-be-sent signal at multiple times to generate multiple to-be-sent signal powers; performing a first high-pass operation on the to-be-sent signal powers to generate a to-be-sent high-pass result; performing a second high-pass operation on a received signal to generate a received high-pass result; adjusting multiple filter coefficients according to the to-be-sent high-pass result and the received high-pass result; and generating a recover signal according to the filter coefficients.

Abstract: Interference management methods are proposed to facilitate multi-cell, multi-user millimeter wave cellular networks. One method includes a feedback approach in which a base station (BS) device collects information from mobile devices in the cell operated by the BS device and other BS devices in other cells. Each mobile device feeds back a best beams set and a worst interference beams set to its serving BS device and the information is shared amongst other BS devices in the network. According to the information, BS devices implement a beam selection criterion to select a beam for downlink transmission. To reduce feedback cost, another method leverages the channel reciprocity in time division duplexing to use the measured uplink power and interference information to select the narrow beam for downlink transmission. The BS device selects the narrow beam that establishes a reliable channel and reduces interference to mobile devices in neighboring cells.

Abstract: The present application provides a single port wide band impedance matching circuit and method for providing antenna matching. The single port wide band impedance matching circuit includes a single signal port adapted for receiving a wide band signal. The single port wide band impedance matching circuit further includes an impedance matching circuit including a narrow band harmonic bypass. Still further, the single port wide band impedance matching circuit includes an antenna port coupled to the single signal port via the impedance matching circuit.

Abstract: The present disclosure discloses a method and network device for dynamic detection of inactive virtual private network clients. Specifically, a network device receives periodic messages from a first device at a first interval, and determines a timeout value for the first device based at least on the first interval, at which the periodic messages are received from the first device. Subsequent to determining the timeout value, the network device detects that a message has not been received from the first device for a period of time corresponding to the timeout value for the first device. The network device then terminates at least one connection with the first device responsive to determining that no message has been received from the first device for the period of time corresponding to the timeout value for the first device.