Abstract: Embodiments include method, systems and computer program products for compressing instrumentation data. Aspects include defining an intermediate region of memory. Instrumentation data associated with a processing device is received and stored in the intermediate region of the memory. The instrumentation data is compressed in the intermediate region of memory and stored in a sample region of memory.

Abstract: A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 64800 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 1024-symbol mapping.

Abstract: Embodiments of this application disclose encoding and decoding methods and apparatus related to the communications. One of the methods includes: obtaining, based on polar code rate matching, a subchannel corresponding to a punctured bit or a shortened bit; determine subchannels corresponding to an information bit and a check frozen bit that are different from the subchannel corresponding to the punctured bit or the shortened bit; determining that a subchannel corresponding to a frozen bit that is different from the subchannels corresponding to the information bit and the check frozen bit and the subchannel corresponding to the punctured bit or the shortened bit; performing, according to the subchannels corresponding to the information bit and the check frozen bit and the subchannel corresponding to the frozen bit, parity check encoding and polar encoding based on the information bit to obtain encoded information; and sending the encoded information.

Abstract: A transmitting apparatus is provided. The transmitting apparatus includes: an encoder configured to perform a low-density parity check (LDPC) encoding on input bits using a parity check matrix to generate an LDPC codeword comprising information word bits and parity bits; an interleaver configured to interleave the LDPC codeword; and a modulator configured to map the interleaved LDPC codeword onto a modulation symbol, wherein the modulator is further configured to map a bit included in a predetermined bit group from among a plurality of bit groups constituting the LDPC codeword onto a predetermined bit of the modulation symbol.

Abstract: A method of decoding a polar coded signal includes determining channel reliabilities for a plurality of polar coded bit channels in a data communication system including a plurality of frozen bit channels and non-frozen bit channels, selecting a frozen bit channel, calculating a likelihood value for a bit estimate associated with the frozen bit channel, generating a hard decision value for the bit estimate in response to the likelihood value, comparing the hard decision value for the bit estimate to a known value of a frozen bit transmitted on the frozen bit channel, in response to determining that the hard decision value for the bit estimate differs from the known value of the frozen bit transmitted on the frozen bit channel, updating an accumulated uncertainty, comparing the accumulated uncertainty to a threshold, and determining that a decoding error has occurred in response to the comparison.

Abstract: Embodiments of the present invention disclose a coding method. The method in the embodiments of the present invention includes: constructing a check equation based on a correspondence between a first subchannel and a second subchannel that is in a second subchannel group, where a check bit of the check equation corresponds to the first subchannel, an information bit of the check equation corresponds to the second subchannel, the second subchannel group includes at least one second subchannel, a sequence number of the first subchannel is divided by a first preset value and a remainder is a second preset value, a sequence number of the second subchannel is divided by a third preset value and a remainder is a fourth preset value, and the sequence number of the first subchannel is greater than the sequence number of the second subchannel; and performing coding by using the check equation.

Abstract: The present invention discloses an erasure code calculation method, including the following steps: S1) splitting original data, and building an original encoding matrix M; S2) acquiring a transverse exclusive OR encoding matrix M1; S3) acquiring a longitudinal exclusive OR encoding matrix M2; S4) acquiring an exclusive OR encoding matrix M3 according to the transverse exclusive OR encoding matrix M1 and the longitudinal exclusive OR encoding matrix M2; S5) transforming a data position of the transverse exclusive OR encoding matrix M1 to acquire a storage matrix M4; S6) judging whether storage nodes at which the last column of data of the storage matrix M4 is stored are damaged; S7) restoring the lost data according to a position 1 of the damaged node; and S8) restoring the lost data according to a position 2 of the damaged node. In the present invention, the operation is rapid, and calculation efficiency is high.

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for encoding data for wireless transmissions. In one aspect, a wireless device may encode a number (M) of systematic bits for transmission to a receiving device. The systematic bits may be encoded using a low-density parity-check (LDPC) code to produce an LDPC codeword. The LDPC codeword may include a number (N) of codeword bits, including the M systematic bits and one or more parity bits. The wireless device may further puncture a number (K) of the codeword bits to produce a punctured codeword having a code rate M/(N?K)>5/6. The wireless device may transmit the N?K remaining codeword bits, over a wireless channel, to a receiving device.

Abstract: A receiver is arranged for receiving a signal comprising an interleaved symbol stream. The receiver comprises a convolutional deinterleaver comprising a plurality of delay portions each of which is arranged to delay symbols from the symbol stream from an input to an output by a different amount, the delay portions being arranged in a sequence. An input selector is configured to input the symbols from the symbol stream to the delay portions so that successive symbols are input in accordance with the sequence of the delay portions. An output selector configured to read the symbols from the delay portions by successively selecting the symbols from the outputs of the delay portions in accordance with the sequence of the delay portions to form a deinterleaved symbol stream.

Abstract: A selective PEG algorithm, creating a sparse matrix while maintaining row weight/column weight at arbitrary multi-levels, and in the process, inactivating an arbitrary edge so that a minimum loop formed between arbitrary nodes is enlarged or performing constrained interleaving, so that encoding efficiency in the case where a matrix space is narrow is improved.

Abstract: Capturing, extracting and storing narrowband IQ data for later processing enables timely and efficient analysis. As wideband capture of RF information includes noise and non-signal elements, the present invention detects, extracts and stores narrowband IQ signals for later assessment. By transforming a high-volume data stream to a collection of smaller narrowband signals with greatly reduced storage and on-board processing requirements the present invention facilitates the capability to analyze signals of interest in an otherwise denied environment.

Abstract: This disclosure relates to a transceiver element comprising receiving circuitry, down-converting circuitry, extracting circuitry and output circuitry. The receiving circuitry is configured to receive a radio frequency signal via an antenna element associated with the receiving circuitry. The radio frequency signal comprises a first received signal part and a second received signal part. The down-converting circuitry is configured to down-convert the radio frequency signal to provide a down-converted signal. The down-converted signal comprises a first down-converted signal part corresponding to the first received signal part and a second down-converted signal part corresponding to the second received signal part. The extracting circuitry is configured to extract at least the second down-converted signal part from the down-converted signal. The output circuitry is configured to provide an output signal comprising a first output signal part and a second output signal part.

Abstract: A radio frequency module includes: a transmission power amplifier that includes a plurality of amplifying elements that are cascaded; and a module board on which the transmission power amplifier is mounted, the module board including a first principal surface and a second principal surface on opposite sides of the module board. The plurality of amplifying elements include: a first amplifying element mounted on the first principal surface; and a second amplifying element mounted on the second principal surface and disposed upstream on a signal path from the first amplifying element.

Abstract: Bias arrangements for amplifiers are disclosed. An example arrangement includes a bias circuit, configured to produce a bias signal for the amplifier, and a linearization circuit, configured to improve linearity of the amplifier by modifying the bias signal based on an RF signal indicative of an RF input signal to be amplified by the amplifier. The linearization circuit includes a bias signal input for receiving the bias signal, an RF signal input for receiving the RF signal, and an output for providing a modified bias signal. The linearization circuit further includes at least a first linearization transistor, having a first terminal, a second terminal, and a third terminal, where each of the bias signal input and the RF signal input of the linearization circuit is coupled to the first terminal of the first linearization transistor, and the output of the linearization circuit is coupled to the third terminal of the first linearization transistor.

Abstract: It is provided a method designed, for OFDM-based communication systems, to slightly modify the signal to be emitted before the power amplifier input of the transmitter. The guiding idea is that the minimal IBO value for which the slightly modified signal still fulfills the standard requirements is inferior to the smallest IBO value for which the transmitted signal still meets the standard requirements in terms of EVM and spectral mask without implementing the proposed method.

Abstract: A radio frequency waveguide communication system includes a controller configured to output a radio frequency signal, and at least one connected node configured to output a node signal indicative of monitored parameter of a machine. The radio frequency waveguide communication system includes a waveguide and a radio frequency interface module. The waveguide is in signal communication with the controller and is configured to guide the radio frequency signal toward the at least one connected node. The radio frequency interface module is configured to establish signal communication between the controller and the at least one connected node, and includes at least one detachable portion configured to detach from the at least one waveguide.

Abstract: Techniques maintaining receiver reliability, including determining a present attenuation level for an attenuator, wherein the attenuation level is set by a gain controller, determining a relative reliability threshold based on the present attenuation level, receiving a radio frequency (RF) signal, determining a voltage level of the received RF signal, comparing the voltage level of the received RF signal to the relative reliability threshold to determine that a reliability condition exists, and overriding, in response to the determination that the reliability condition exists, the present attenuation level set by the gain controller with an override attenuation level based on the present attenuation level.

Abstract: The present invention provides an interference cancellation circuit, wherein the interference cancellation circuit includes a PAPR detection circuit, a control circuit and a filter. In the operations of the interference cancellation circuit, the PAPR detection circuit is configured to detect a PAPR of a signal in a spectrum in a real-time manner to generate a detection result. The control circuit is configured to generate a control signal according to the detection result. The filter is configured to determine a filtering frequency point of the filter according to the control signal, and to filter the signal to generate an output signal.

Abstract: In a receiver that demodulates a received signal, deterioration of signal quality is suppressed. A current output unit generates and outputs, from a voltage signal, a current signal including a predetermined offset current in a low-frequency component between a high-frequency component having a frequency higher than a predetermined frequency and the low-frequency component having a frequency lower than the predetermined frequency. A demodulation unit demodulates the high-frequency component. A filter circuit passes, in the current signal, the high-frequency component from a current output unit to the demodulation unit, and causes the low-frequency component to flow from the current output unit to a predetermined reference potential point.

Abstract: Systems and methods are provided for attaching and positioning a personal computing device case to a folio. The folio includes magnetic connections, and the personal computing device case includes magnetic connections for attaching the case to the folio in any one of a plurality of positions. The magnetic connections of the folio include an upper magnet array and a lower magnet array for attachment of the magnetic case. The folio includes a hinge mechanism at a top edge of each of two sides of the folio. The case is attached to the folio using guided magnetic seating, and the case is repositionable by slidingly or rotationally changing the position of the case relative to the folio.

Abstract: An apparatus and method for wireless communication, and a method of fabricating the apparatus. The apparatus comprises two or more transceiver array groups, each transceiver array group comprising one or more radio frequency, RF, circuits, and one or more RF front end, RF FE, circuits; wherein the transceiver array groups are configured to operate at different frequencies; wherein the transceiver array groups are configured to be connected to one corresponding digital baseband processor; and wherein the transceiver array groups comprise at least one first transceiver array group configured to operate at cm wavelength or larger. Preferably, the transceiver array groups comprise at least one second transceiver array group configured to operate at mm wavelength.

Abstract: A wireless communication system with scalable diversity and multi-transceiver diversity deployment is disclosed. An example communication system includes a first wireless transceiver, having a first bandwidth and a first center frequency, a second transceiver, having a second bandwidth and a second center frequency, and a processor. The processor is configured to operate the wireless communication system in a first mode when a difference between the first center frequency and the second center frequency is greater than or equal to half of the first bandwidth plus the second bandwidth. The processor is also configured to operate the wireless communication system in a second mode when a difference between the first center frequency and the second center frequency is less than half of the first bandwidth plus the second bandwidth.

Abstract: An RF system and an electronic device are provided. The RF system includes an RF transceiver, an RF processing circuit coupled with the RF transceiver, a transfer switch module, a first antenna, a second antenna, a third antenna, and a fourth antenna. The RF processing circuit includes a first Tx module, a second Tx module, a third Tx module, a combiner, a directional coupler, a first Rx module, a second Rx module, a third Rx module, a fourth Rx module, a hexaplexer, a first duplexer module, a second duplexer module, a first filter, a second filter, a first selector-switch, a second selector-switch, and a third selector-switch. The RF system and the electronic device can adopt four antennas to support LB+LB NSA and MHB+MHB NSA simultaneously, so as to greatly improve versatility of NSA on the electronic device.

Abstract: A radio frequency module includes: a module board including a first principal surface and a second principal surface on opposite sides of the module board; a semiconductor integrated circuit (IC) that is on the second principal surface and includes a third principal surface and a fourth principal surface on opposite sides of the semiconductor IC; and an external-connection terminal on the second principal surface. In this radio frequency module, the third principal surface faces the second principal surface, and is closer to the second principal surface than the fourth principal surface is. The semiconductor IC includes: a reception low noise amplifier; and a ground electrode on the fourth principal surface.

Abstract: According to the embodiment discloses a method providing direct RF sampling of the received signal in a full duplex system. A sampler in the full-duplex system comprises a buffer to clip an amplitude information from each of a coupled transmitter (Tx) signal and a voltage at an antenna port of the sampler for obtaining a buffered transmitter signal and a buffered voltage at the antenna port. Phase detector in the sampler is configured to perform sampling of time delay between the buffered transmitter signal and the voltage at the antenna port and generate an output. The sampler further comprises current integrator configured to pass the output of the phase detector for generating a sampled output, wherein the sampled output generates an output received signal.

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

Abstract: “Tiered” groups of devices (tiered service radios) and/or licenses associated with the devices or users so as to provide a hieratical set of interference protection mechanisms for members of each tier of service are disclosed. Point-to-point and point-to-multipoint data links for any communication application, including wireless backhaul applications, are also disclosed. Exemplary systems, devices, and methods disclosed herein allow for the efficient operation of such a tiered service. Interference protection among tiered service devices belonging to one or more tiers of the service, from other devices within the same tier of service, or devices of other tiers of service, is disclosed. Identification of other devices of the same or differing tiers of service, and interference mitigation between other tiered service devices based upon intercommunication between the devices, and/or via a central registry database, are also disclosed.

Abstract: A frequency hopping configuration method can be applied to a base station. The base station can configure at least one bandwidth part BWP for a terminal. The method can include: configuring a frequency hopping rule for each configured BWP; when the terminal is instructed to perform uplink transmission hopping, determining, according to the configured hopping rule, a hopping rule corresponding to a BWP currently being used by the terminal; and sending the corresponding hopping rule to the terminal, such that the terminal determines a second frequency domain resource position after frequency hopping has been performed according to the corresponding frequency hopping rule and a first frequency domain resource position prior to performing frequency hopping, and performs uplink transmission at the second frequency domain resource position.

Abstract: A radio transmission apparatus (1) includes: a radio communication unit (2) that performs radio communication by a first radio communication scheme; a radio communication unit (3) that performs radio communication by a second radio communication scheme; an abnormality determination unit (4) that determines whether an abnormality has occurred in the radio communication performed by the radio communication unit (2); and a control unit (5) that controls transmission and reception of management information about the radio transmission apparatus (1) using the radio communication unit (2) or (3). When an abnormality has occurred in the radio communication performed by the radio communication unit (2), the control unit (5) performs control so that the management information is transmitted and received to and from a predetermined apparatus by using the radio communication unit (3).

Abstract: A non-contact power supply system is provided employing an electric power transmitting device which can improve the transmission efficiency of electric power, suppressing the circuit scale. The electric power transmitting device is configured with a resonance circuit including a resonance capacity and a resonance coil acting as a transmitting antenna, and a first coil arranged magnetically coupled with the resonance coil. The electric power transmitting device transmits electric power in a non-contact manner using resonant coupling of the resonance circuit. When transmitting the electric power, the electric power transmitting device controls the first coil to connect or disconnect both ends thereof so as to bring a resonance frequency of the resonance circuit close to a frequency of an electric power transmission signal outputted as the electric power to be transmitted.

Abstract: Systems and methods for handling antenna signals are provided. In some embodiments, a method is performed by a first unit for handling antenna signals for transmission over a transmission connection with a second unit of the base station system. The base station system includes a base unit and a remote unit. The remote unit is arranged to transmit the antenna signals wirelessly to, and receive from, one or more wireless communication devices. The antenna signals each include a plurality of In-phase and Quadrature (IQ) samples. The first unit is the base unit and the second unit is the remote unit, or the first unit is the remote unit and the second unit is the base unit. In this way, quantization errors may typically add incoherently, i.e., adding quantization error power. Also, this may allow cancellation of quantization errors in certain directions depending on transformation type and transformation values.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select two transmit beams from a plurality of beams that the UE is capable of forming using an antenna array of the UE that includes a plurality of antenna elements, wherein the two transmit beams are to be used to transmit two corresponding layers of information; determine, after selecting the two transmit beams, a phase difference to be applied to the two transmit beams based at least in part on the two transmit beams; and transmit the information on the two corresponding layers concurrently via the two transmit beams using the phase difference. Numerous other aspects are provided.

Abstract: A communication method and apparatus, a network device, a terminal device, and a system. The method includes: a network device sends a first reference signal to a terminal device through a first port in a first preset subframe corresponding to a first antenna and sends a second reference signal to the terminal device through the first port in a second preset subframe corresponding to a second antenna. Then, the network device receives first measurement information and second measurement information that are sent by the terminal device, where the first measurement information is measurement information of the first reference signal, and the second measurement information is measurement information of the second reference signal. The network device may determine an antenna weight based on the first measurement information and the second measurement information.

Abstract: The disclosure relates to a communication technique for convergence of an IoT technology and a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The disclosure can be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart cart or connected car, health care, digital education, retail business, security and safety-related service, etc.) on the basis of a 5G communication technology and an IoT-related technology. The disclosure defines a mobility method for a terminal residing in a system in which transmission/reception points (TPRs), supporting solely some protocols among entire access stratum protocols comprising PHY, MAC, RLC, PDCP, and RRC, coexist in a wireless communication system.

Abstract: A first communication device transmits a plurality of training signals to a second communication device via a communication channel. The first communication device receives feedback generated at the second communication device based on the plurality of training signals. The feedback includes steering matrix information for a plurality of orthogonal frequency division multiplexing (OFDM) tones and (ii) additional phase information corresponding to channel estimates obtained for the plurality of OFDM tone. The first communication device constructs, based on the steering matrix information, a plurality of steering matrices corresponding to the plurality of OFDM tones, and compensates, using the additional phase information, the plurality of steering matrices to reduce phase discontinuities between the OFDM tones. The first communication device steers, using the compensated steering matrices, at least one transmission via the communication channel to the second communication device.

Abstract: A communication device includes a processing circuit, the processing circuit being configured as: mapping a first information bit part used for a receiving end to a corresponding channel based on a pre-set mapping rule so as to execute spatial modulation with respect to the first information bit part of the receiving end; allocating a transmission power to the receiving end; and controlling the transmission power allocated through a mapped channel to transmit a second information bit part used for the receiving end. In the case of the first information bit parts used for multiple receiving ends being the same, the channels mapped for multiple receiving ends are the same. The multi-user spatial modulation performs spatial modulation for multiple receiving ends at the same time through a multiplexing channel of the transmitting end, improving the additional modulation order and the data transmission rate which can be obtained by each receiving end.

Abstract: A method includes: receiving, from a network device, an index of a precoding matrix and a quantity of layers for uplink transmission; determining a first target codebook based on the quantity of layers for uplink transmission and a quantity of physical antennas of a communications apparatus, where the first target codebook includes a plurality of first precoding matrices; and determining, based on a first target precoding matrix that corresponds to the index and that is in the plurality of first precoding matrices, a target physical antenna used by the communications apparatus to send uplink information.

Abstract: According to an aspect, there is provided an apparatus for performing beamforming optimization for a MIMO architecture. The apparatus maintains, in a database, channel state information of a plurality of radio channels comprising first and second order statistics. The apparatus calculates, separately for each of two or more remote radio units using an eigenbeamforming scheme, first sets of beamforming weights based on the second order statistics. Then, the apparatus performs, for each terminal device, single-user MIMO optimization between the two or more remote radio units to maximize a pre-defined metric, being a mutual information metric or signal-to-interference-plus-noise, based on first sets of beamforming weights and the first order statistics. The result, for each terminal device, is a second set of beamforming weights. The apparatus causes transmitting data using beams formed by applying both first and second sets of optimized beamforming weights at the two or more remote radio units.

Abstract: A communication method and a related device are described. A base station includes a plurality of antenna arrays and a baseband processing unit. The plurality of antenna arrays are distributed around a communication area and are all connected to the baseband processing unit. A terminal in the communication area is configured to perform signal transmission with the antenna arrays, to implement communication with the baseband processing unit. When an obstacle exists between the terminal and a primary antenna array performing signal transmission with the terminal, controlling, by the base station through the baseband processing unit, a secondary antenna array to perform signal transmission with the terminal.

Abstract: A wireless audio system including a transmitter using multiple antenna diversity techniques for different signal types is provided. Multipath performance may be optimized, along with improved spectral efficiency of the system.

Abstract: Dynamic beamforming in a telecommunications network in response to packet drops at a cell site router (CSR) is described. A measure of packet drops at a cell site router is determined. The measure of packet drops is compared to a threshold measure of acceptable packet drops and it is determined if the measure exceeds the threshold measure. Upon determining that the threshold measure is exceeded, one or more of a phase weight measure or an amplitude weight measure for a beam associated with an antenna or antenna array are modified such that there is a decrease in the number of user equipment (UEs) that are serviced by the associated antenna/antenna array.

Abstract: A first radio node including processing circuitry configured to configure the first radio node to: obtain a first interference subspace, obtain beamforming weights based on the first interference subspace where the beamforming weights configured to modify a radiation pattern in at least one communication direction of at least one interference source, and perform wireless communications based on the beamforming weights.

Abstract: An apparatus and a method for generating a frame for communication using beamforming in a wireless communication system are provided. A method for transmitting a signal in a transmitting stage includes determining a beam change time of a region for transmitting information in a frame, and transmitting the information to a receiving stage over the region for transmitting the information by considering the beam change time. The frame includes a plurality of regions divided based on a type of the information transmitted to the receiving stage, and the plurality of the regions includes different beam change times.

Abstract: Disclosed herein are a method and a device for transmitting a message in an initial access procedure by a user equipment (UE) in a wireless communication system. According to the present disclosure, a UE may transmit to a base station capability information associated with transmission power of the UE and the information may include a subset including at least one transmit precoding matrix indicator (TPMI) supported by the UE. The UE may receive first control information for transmitting a message associated with an initial access and the control information may include a TPMI used for the UE to transmit the message. Thereafter, the UE may transmit to the base station the message by using transmission power determined based on the TPMI and the transmission power may be determined according to whether the TPMI is included in the at least one TPMI.

Abstract: User equipment (UE) includes processing circuitry coupled to memory. To configure the UE for channel state information (CSI) reporting in a 5G network, the processing circuitry is to decode a radio resource control (RRC) configuration message, the RRC configuration message including first configuration information to configure determination of channel quality information (CQI), a rank indicator (RI), and a precoding matrix indicator (PMI) for the CSI reporting. Second configuration information is decoded to configure codebook parameters for a high spatial resolution codebook associated with the PMI. A precoding matrix is determined based on the first configuration information, where a number of coefficients in at least one coefficient vector of the precoding matrix is configured using the second configuration information. CSI is encoded for transmission to a base station, the CSI including the RI and the PMI associated with the determined precoding matrix.

Abstract: The communication system is provided, where the communication system comprises multiple cluster distributed antenna system (MC-DAS) network and a controller. Each cluster in the MC-DAS comprises a cluster master (CM) and remote radio units (RRU), which are in the coverage area of the controller. The controller and the DAS clusters are synchronized using a hierarchical precision time protocol (HPTP). Each DAS cluster is configured to transmit messages independently from other DAS clusters in the plurality of DAS clusters using a distributed cyclic delay diversity (CDD) scheme with a determined length of a cyclic prefix. The controller further comprises a controller configured to transmit a message from the controller to a receiver through one or more DAS clusters of the plurality of the DAS clusters.

Abstract: A communication apparatus capable of wireless communication with another communication apparatus via a first communication path and a second communication path sets a directivity of an antenna to a first directivity capable of wireless communication via the first communication path and receives data from the another communication apparatus via the first communication path. When the communication apparatus sends an acknowledgement signal to the another communication apparatus via the first communication path in response to reception of the data, the communication apparatus sets the directivity of the antenna to a second directivity capable of wireless communication via the first communication path and wireless communication via the second communication path for a set period thereafter.

Abstract: This application provides a beam management method, a terminal device, and a network device. The method includes: measuring, by a terminal device, a beam of a network device; and sending, by the terminal device, an identifier of a first beam to the network device, where the first beam is a beam on which a beam failure occurs or a beam meeting a first condition, and the identifier of the first beam is sent to the network device by using physical layer control signaling or by using MAC layer control signaling.

Abstract: Embodiments of the present disclosure relate to a method, terminal device and apparatus for beam report transmission and a method, network node and apparatus for a beam report receiving. In an embodiment of the present disclosure, the method for beam report transmission may include dropping, in response to a collision between a beam report and another uplink control information, a lower-priority one of the beam report and the other uplink control information based on a predetermined priority rule defining a transmission priority of the beam report and the other uplink control information. With embodiments of the present disclosure, it is possible to provide a simple but efficient solution for addressing the collision.

Abstract: A wireless device triggers transmission of a scheduling request (SR) based on triggering a beam failure recovery (BFR) of a secondary cell. A configured transmission of the SR based on transmitting a medium access control protocol data unit (MAC PDU) is stopped. The transmission comprises a BFR medium access control control element (BFR MAC CE) comprising information of the BFR triggered prior to assembling of the MAC PDU.