Abstract: Methods for configuring an optical link with an optimized spectral efficiency are provided. In these methods, a controller of an optical network obtains a baseline configuration that includes a traffic mode that uses a predetermined channel spacing of a plurality of channels in a frequency spectrum. The plurality of channels is used for transmitting optical signals on an optical link in the optical network. The controller further converts the SNR-margin to a Q-margin threshold value associated with a Q-margin as a performance parameter and while maintaining the performance parameter with a predetermined range of the Q-margin threshold value, varies at least one transmission parameter to reduce channel spacing. The controller also generates a spectral frequency map in which the channel spacing is reduced with respect to the baseline configuration and configures, via an optical network element in the optical network, the optical link based on the spectral frequency map.

Abstract: Techniques are disclosed for aligning an optical transmitter with an optical receiver for a line-of-sight communications link, wherein the optical transmitter comprises a laser array emitter, the laser array emitter comprising a plurality of laser emitting regions, wherein each of a plurality of the laser emitting regions is configured to emit laser light in a different direction such that the laser array emitter is capable of emitting laser light in a plurality of different directions. The system can run produce emissions from different laser emitting regions until a laser emitting region that is in alignment with the optical receiver is found. This aligned laser emitting region can then be selected for use to optically communicate data from the optical transmitter to the optical receiver.

Abstract: The disclosure describes a system that includes a self-driving system for operating a vehicle autonomously, one or more optical transmitters mounted on the vehicle, and one or more computing devices in communication with the self-driving system and the one or more optical transmitters. The one or more computing devices are configured to operate the self-driving system to cause the vehicle to approach a designated location in proximity of a structure on which one or more receivers are mounted and determine that the one or more optical transmitters have an alignment with the one or more receivers. Then, the one or more computing devices are configured to operate the one or more optical transmitters to establish an optical communication link with the one or more receivers and transmit data to the one or more receivers over the optical communication link.

Abstract: Aspects of the disclosure provide an optical communication system. The system may include a receiver lens system configured to receive a light beam from a remote optical communication system and direct the light beam to a photodetector. The system may also include the photodetector. The photodetector may be configured to convert the received light beam into an electrical signal, and the photodetector may be positioned at a focal plane of the receiver lens system. The system may also include a phase-aberrating element arranged with respect to the receiver lens system and the photodetector such that the phase-aberrating element is configured to provide uniform angular irradiance at the focal plane of the receiver lens system.

Abstract: An integrated communication and ranging system for use on a spacecraft includes: a laser module configured to emit at least one beam, a pointing module configured to direct the at least one beam toward a ground station and toward an object in space, and a detector module configured to detect a scattered portion of the at least one beam. The system further includes a control module configured to operate the pointing module to (i) transmit data to the ground station using the at least one beam and (ii) determine, using the detector module, a distance between the spacecraft and the object using the at least one beam.

Abstract: An analog distributed antenna system having a set of small cells as a signal source is provided. A proposed cellular communication system includes an upper small cell unit including upper protocol processors configured to process an upper first part of a protocol stack of a small cell, a lower small cell unit including lower protocol processors configured to process a remaining second part of the protocol stack of the small cell, and a first matching switch configured to respectively match the lower protocol processors to a plurality of remote units. According to one aspect, the cellular communication system includes a common controller configured to control activation of the plurality of upper protocol processors of the upper small cell unit and the plurality of lower protocol processors of the lower small cell unit according to a required service capacity and appropriately control an operation of the first matching switch.

Abstract: A redundancy system for data transport in a Distributed Antenna System (DAS) includes a plurality of Digital Access Units (DAUs). Each of the plurality of DAUs is fed by a plurality of data streams and is operable to transport digital signals between others of the plurality of DAUs. The redundancy system also includes a plurality of Digital Distribution Units (DDUs). Each of the plurality of DDUs is in communication with each of the plurality of DAUs using cross connection communication paths. The redundancy system further includes a plurality of Digital Remote Units (DRUs). Each of the plurality of DRUs is in communication with each of the plurality of DDUs using cross connection communications paths.

Abstract: An integrated optical transceiver includes a transmitter unit and a receiver unit each provided on a surface region of a substrate member. The transmitter unit includes four laser devices configured to output four laser lights and a set of four power splitter devices coupled to the four laser lights to split each of the four laser lights to two replicated transmit paths. The receiver unit has two replicated receive paths each including a photodetector device and a transimpedance amplifier device coupled to the photodetector device. A planar light circuit block is mounted on the substrate member and includes a multiplexer device configured to couple the four laser lights of the transmitter unit and multiplex to one output light delivered to an optical output port and a demultiplexer device configured to receive an input light from an optical input port and demultiplex to four input optical signals for the receiver unit.

Abstract: A method for communicating from a transceiver including a sub-transceiver array includes setting the sub-transceiver array to emit an optical signal at an initial pointing angle, and modifying at least one of the sub-transceivers to emit a first optical sub-signal at a first pointing angle having a first offset from the initial pointing angle. The method further includes, during a first transmit period, transmitting to a receiving transceiver from the sub-transceiver array a first optical signal including the first optical sub-signal, at a first data rate. The method also includes further modifying the sub-transceiver to emit a second optical sub-signal at a second pointing angle having a second offset from the initial pointing angle, the second offset being smaller than the first offset, and, in a second transmit period, transmitting to the receiving transceiver from the sub-transceiver array a second optical signal including the second optical sub-signal.

Abstract: Disclosed is an optical transmitter module including a directly modulated laser transmitter based on a directly modulated laser (DML) and an arrayed waveguide grating (AWG) chip that is vertically polished. The directly modulated laser transmitter includes a directly modulated laser chip array including one or more directly modulated laser chips, an impedance matching circuit that allows each of the one or more directly modulated laser chips to operate at a critical speed of 100 Gbps per channel or higher, and a radio frequency-flexible printed circuit board (RF-FPCB) that transmits a radio frequency (RF) modulating signal to the directly modulated laser chip array. The arrayed waveguide grating chip includes an optical waveguides that transfer multi-channel optical signals and a wavelength multiplexer that multiplexes the multi-channel optical signals. The directly modulated laser transmitter and the arrayed waveguide grating chip are spaced apart from each other and are optically coupled in chip-to-chip.

Abstract: To provide an optical transmitter and an optical transmission method that can maintain the quality of an optical output signal in a wide wavelength range, an optical transmitter comprises: an optical modulator that includes an electrode and outputs an optical output signal obtained by modulating input light according to a drive signal applied to the electrode; a driver circuit that generates a drive signal and is connected to the optical modulator to apply a drive signal to one end of the electrode; a first element that is connected to the other end of the electrode and terminates the drive signal; and a controller that sets a first resistance value of the first element and a drive amplitude of the drive signal.

Abstract: An optical receiving device that divides receive signals obtained by receiving an optical signal using a coherent detection scheme into a plurality of frequency bands, matches timing of the receive signals along a time axis between the frequency bands resulting from the division, performs a combining process of combining the receive signals contained in the plurality of frequency bands, and compensates the receive signals for waveform distortion either before or after the combining process, includes: a first wavelength dispersion compensation unit adapted to compensate the receive signals for waveform distortion in each of the frequency bands resulting from the division; a first nonlinear compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and timed with each other in a time domain for a nonlinear optical effect; and a second wavelength dispersion compensation unit adapted to compensate the receive signals belonging to each of the frequency bands and compensate

Abstract: An optical receiver includes a photodiode, a transimpedance amplifier (TIA), a slope detection circuit, and a logic circuit. The TIA includes an output stage and a feedback amplifier and is coupled to the photodiode. The slope detection circuit is coupled to the feedback amplifier and configured to monitor a feedback signal from the feedback amplifier. The slope detection circuit is configured to provide, in response to a slope in the feedback signal being detected, a first slope-status signal indicating the slope is detected. The logic circuit is coupled to the slope detection circuit and is coupled to the output stage of the TIA. The logic circuit is configured to squelch the output stage of the TIA in response to the first slope-status signal.

Abstract: An underwater wireless optical communication, UWOC, unit (30) for underwater deployment on a submerged earth layer (12) or structure (14, 16). The UWOC unit is configured for wireless optical communication in an underwater environment, and comprises an optical transmitter (36), an anidolic optical receiver (38), and a processor (44). The optical transmitter is configured to transmit data by emitting an optical signal (80) into the surroundings. The optical receiver includes an optical detector (62), which is omnidirectionally sensitive and configured to receive further optical signals approaching substantially along an azimuthal plane orthogonal to a nominal axis (A) through the UWOC unit. The processor is coupled to the optical receiver, and configured to process received further optical signals.

Abstract: An optical transmission system includes light supply devices, light receiving devices, an optical fiber cable, an electric power combiner and a data processing unit. MIMO communication is performed by the light receiving devices receiving signal beams having signals different from one another, output from the light supply devices and transmitted through a single core or cladding of the optical fiber cable. The signal beams are feed beams. The light supply devices output the feed beams with signals different from one another superimposed thereon by modulation. The light receiving devices convert the feed beams transmitted thereto into electric powers. The electric power combiner combines the electric powers obtained by the conversion. The data processing unit obtains signals superimposed on the feed beams received by the light receiving devices, and based on the obtained signals, obtains the signals superimposed by the light supply devices on the feed beams.

Abstract: An optical power supply system includes a power sourcing equipment, a powered device, an information obtaining part and a power supply controller. The power sourcing equipment outputs feed light. The powered device converts the feed light into electric power. The electric power is supplied to a communicator. The information obtaining part obtains communication operation information on an operation status of communication that is performed by the communicator. Based on the obtained communication operation information, the power supply controller controls output of the feed light. The communicator is a wireless communicator that performs wireless communication.

Abstract: A method of measuring a total radiated power of a device under test by a test system with a base station simulator, a measurement antenna assigned to the base station simulator and a control and/or measurement equipment is described. The method includes: establishing a radio resource control connection between the device under test and the base station simulator via the measurement antenna; activating an uplink-beam lock function at the device under test; and performing a total radiated power measurement by the control and/or measurement equipment while continuously sending a downlink signal from the base station simulator via the measurement antenna to the device under test. A test system is further described.

Abstract: A telematics verification system for the testing of a vehicle telematics system, including: a conductive ground plate adapted to be disposed under a vehicle when testing the vehicle telematics system using the telematics verification system; a conductive cover adapted to be disposed over and about an exterior surface of the vehicle and an antenna of the vehicle when testing the vehicle telematics system using the telematics verification system; a downlink antenna adapted to be arranged inside the conductive cover, wherein the downlink antenna is configured to wirelessly transmit a downlink signal inside the conductive cover, wherein the downlink signal is wirelessly receivable by the antenna of the vehicle; and an uplink antenna adapted to be arranged inside the conductive cover, wherein the uplink antenna is configured to wirelessly receive an uplink signal inside the conductive cover, wherein the uplink signal is wirelessly receivable from the antenna of the vehicle.

Abstract: In at least one embodiment, a system for enabling wireless communication for a vehicle is provided. At least one controller to generate first information for the vehicle for transmission to at least one surrounding vehicle or an infrastructure external to the vehicle and to receive second information. The remote active antenna assembly to receive the first information over a cable and wirelessly receive over a wireless communication protocol, a control indicative of the remote active antenna assembly being in one of a transmit mode or a receive mode. The remote active antenna assembly to wirelessly transmit, via a remote active element, the first information in response to the control signal indicating that the remote active assembly is in the transmit mode and to wirelessly receive, via the remote active element, the second information in response to the control signal indicating that the remote active assembly is in the receive mode.

Abstract: A method for determining an optimum position of a device under test when testing the device under test over-the-air is described. The method includes providing an anechoic chamber with a quiet zone, providing a device under test within the anechoic chamber, the device under test having at least two antennas, positioning the device under test within a testing area inside the anechoic chamber, the testing area including an optimum position for the device under test with respect to the quiet zone; and providing an interactive feedback signal while repositioning the device under test, wherein based on the interactive feedback signal a position of the device under test is adjusted to match the optimum position. Furthermore, a system for determining an optimum position of a device under test is provided.

Abstract: Systems and methods for dynamic maximum transmission unit determination are disclosed. For example, one or more triggering events may be detected to initiate determining whether to adjust transmission unit sizing for data transmission between devices. Received signal strength indicator (RSSI) values may be exchanged between the devices and those RSSI values may be utilized to determine a strength of a communication signal between devices. When the RSSI values are low, the communication signal strength may be weak and the devices may adjust the transmission unit size to be larger. In other examples when the RSSI values are high, the communication signal strength may be strong and the devices may adjust the transmission unit size to be smaller.

Abstract: Proactive systems for monitoring, diagnosing, and providing a plan of corrective action for Radio Frequency (RF) hardware components as part of a greater system or network in telecommunications. The system can be used for remote sites and in conjunction with current network management tools as the most prolific and fundamental piece of instrumentation in telecommunication networks. The system can be used simply as an RF development instrument for any industry requiring the use of high frequency signals. It consists of four sensor modules that are wirelessly linked to a receiver module which could be miles away. The sensors are RF power detector, Spectrum Analyzer, Interference Cancelling Synthesizer, dual function RF power detector and spectrum analyzer. The data gathered allows the user to create a profile for specific malfunctions in the RF chain, as well as interference direction, strength and source type leading to remotely deployed solution, and a mobile network.

Abstract: Systems, methods, and devices detect variations in load impedances of wireless communications devices. Methods include determining a first distortion measurement of a transceiver based on a first comparison of a digital loopback path and a radio frequency (RF) loopback path, and determining a second distortion measurement of the transceiver based on a second comparison of the digital loopback path and the RF loopback path. Methods also include implementing, using a processor, a third comparison of the first distortion measurement and the second distortion measurement, and determining if there is a change in a load of the transceiver based on the third comparison.

Abstract: A moving object detector detects a moving object in a channel. The detection comprises the detector receiving a plurality of frames based on a transmitter transmitting a plurality of frames over a channel. One or more channel impulse responses (CIRs) of the channel is determined based on the received plurality of frames. The detector determines a CIR phase for each of the CIRs and a phase signal is formed based on a phase value of the CIR phase for each of the CIRs. The detector compares the phase signal with a target signal and detects the moving object in the channel based on the comparison.

Abstract: This document describes techniques and systems to generate a point-source model for simulating near-field effects from structures of an antenna. The techniques and systems generate, based on near-field values extracted from electromagnetic simulations, respective far-field radiation patterns for active elements and, in some cases, passive elements of the antenna array. The far-field radiation patterns account for electromagnetic interactions between the active elements and an antenna structure, which can include passive elements of the antenna array. The techniques and systems output the far-field radiation patterns, which are effective to simulate, using an asymptotic numerical method, electromagnetic interactions between the antenna array and at least one interaction structure.

Abstract: A first prediction unit 83 predicts the amount of future communication quality deterioration or the presence or absence of occurrence of future communication quality deterioration in a communication section between one communication device and another communication device communicably connected to the one communication device by using a first learning model generated on the basis of first attributes being attributes related to a cause of communication quality deterioration in the communication section. A second prediction unit 84 predicts the amount of future communication quality deterioration or the presence or absence of occurrence of future communication quality deterioration outside the communication section regarding one communication device by using a second learning model generated on the basis of second attributes being attributes related to a cause of communication quality deterioration outside the communication section regarding the one communication device.

Abstract: A method for playing out a media program including a primary programming. The method includes storing the primary programming; forming first and second sets of content for play-out during a break in the primary programming, where the second set's duration differs by less than a predetermined amount from the duration of the first set of content transmitting, by a first mechanism, a base program including the primary programming and subsequently, during the break, the first set of content, and after the break, the primary programming; and transmitting, by a second mechanism, the primary programming at a first time offset to the transmitting by the first mechanism before the break and subsequently, during the break, the second set of content and after the break, the primary programming at a second time offset to the transmitting by the first mechanism, after the break, the first and second time offsets being different.

Abstract: A priority verification unit (110) obtains from, among a plurality of communication apparatuses, other communication apparatus other than a current grandmaster, a grandmaster mediation message that is a grandmaster mediation message used for selecting a grandmaster and that includes a priority of the other communication apparatus. The priority verification unit (110) verifies whether or not the priority of the other communication apparatus is higher than a grandmaster priority (22). A mediation unit (120), when the priority of the other communication apparatus is verified as being higher than the grandmaster priority (22), to obtain a synchronization message including time of the other communication apparatus from the other communication apparatus before switching the other communication apparatus to the grandmaster.

Abstract: This application discloses a service signal transmission method and apparatus, and belongs to the field of communications technologies. The method includes: obtaining, by a first network device, N first service signals, where coding types of the N first service signals are the same, and at least two of the N first service signals have different transmission rates, where N?2; inserting padding signals into the N first service signals, to obtain N second service signals, where transmission rates of the N second service signals are integer multiples of a reference rate; and multiplexing the N second service signals into one third service signal, and sending the third service signal to a second network device. In this application, the padding signals are inserted into the N first service signals, to obtain the N second service signals whose transmission rates have an obvious integer-ratio characteristic.

Abstract: A method and an apparatus for spectrum defragmentation, where the method includes: obtaining, by a transmit end, a target data stream; sending the target data stream on one line using a to-be-adjusted frequency band; adjusting, on another line, an occupied frequency band of the target data stream from the to-be-adjusted frequency band to a target frequency band; switching the target data stream to the other line; and transmitting the target data stream using the target frequency band.

Abstract: A method of configuring an optical link with an optimized spectral efficiency and bit rate is provided. The method includes obtaining, by a controller of an optical network, a baseline configuration that includes a traffic mode that uses a predetermined channel spacing of a plurality of channels in a frequency spectrum. The plurality of channels are used for transmitting optical signals on an optical link in the optical network. The method further includes selecting three contiguous channels that include a center channel and two adjacent channels and while maintaining a performance parameter above or equal to a threshold value, moving the adjacent channels closer to the center channel and varying at least one transmission parameter, thereby reducing a spacing of the center channel. As such, a spectral frequency map is generated in which the channel spacing is reduced and an optical link is configured based on the spectral frequency map.

Abstract: A jamming radio signal is selectively outputted based on an access signal. The jamming radio signal is configured to prevent an interrogation signal of a vehicle to complete an authentication of a vehicle key of the vehicle.

Abstract: A data transmission method includes: obtaining Q first code block streams, wherein Q is an integer greater than 1, the coding type is M1/N1 bit coding, and one code block in the first code block stream comprises a synchronization header area of (N1?M1) bits and a non-synchronization one code block in the second code block stream comprises a synchronization header area of (N1?M1) bits and a non-synchronization header area of M1 bits, and a non-synchronization header area of a code block in the Q first code block streams is carried in a non-synchronization header area of a code block in the second code block stream. header area of M1 bits; and placing non-synchronization header areas of code blocks in the Q first code block streams into a to-be-sent second code block stream, wherein a coding type of the second code block stream is M1/N1 bit coding.

Abstract: A method comprising reframing one or more QUIC frames into a packed frame; and applying network coding to the packed frame to generate a coded frame.

Abstract: Embodiments of this application provide a data transmission method and apparatus and a storage medium. The method includes: After obtaining a first identifier and a second identifier that uniquely identify a first device, the first device scrambles, by using the first identifier, checked data obtained through CRC check. After performing channel coding on to-be-transmitted data and scrambled checked data, the first device scrambles, by using the second identifier, coded data obtained through channel coding, and finally sends scrambled data. In this way, after receiving the scrambled data, a second device may perform descrambling by using the second identifier, and then perform CRC check, to determine whether the received data is correct and determine the first identifier of the first device.

Abstract: A reception apparatus includes a receiver and circuitry. The receiver receives, from a transmission apparatus, a plurality of packets that include code word symbols which include an information word symbol and a parity symbol. The information word symbol is generated from transmission information. The parity symbol is calculated from the information word symbols. The circuitry decodes the code word symbols that are included in the plurality of packets. The number of first packets and the number of second packets among the plurality of packets are shared between the transmission apparatus and the reception apparatus. Each of the first packets includes the information word symbol. Each of the second packets includes the parity symbol.

Abstract: Embodiments of the present disclosure relate to a method and device for interleaving data in a wireless communication system.

Abstract: The present disclosure provides an uplink data transmission confirmation apparatus, device, and method. The apparatus includes the following. A transceiver module, configured to send uplink data to a base station; a detection module, configured to detect, within a first preset period, whether first physical downlink control channel signaling sent by the base station is received, and obtain a detection result; and a judging module, configured to determine, according to the detection result, whether the uplink data is successfully transmitted. According to the apparatus provided in embodiments of the present disclosure, physical downlink control channel signaling is reduced in a process of confirming, by the terminal in a coverage enhancement scenario, whether the uplink data is successfully transmitted; and whether an Msg3 is successfully transmitted can be confirmed.

Abstract: According to certain embodiments, a wireless transmitter comprises a wireless interface and processing circuitry communicatively coupled to the wireless interface. The processing circuitry is operable to send, via the wireless interface, a transmission comprising a plurality of code blocks and a retransmission comprising at least some of the code blocks of the transmission. To send the retransmission, the processing circuitry rearranges the order of the code blocks such that the order of the code blocks in the retransmission differs from the order of the code blocks in the transmission.

Abstract: Disclosed are a data feedback, sending and receiving method and device, a receiving device and a sending device. The data feedback method includes generating a hybrid automatic repeat request acknowledgement (HARQ-ACK) for transmitted data; and feeding back the HARQ-ACK to a sending end.

Abstract: Methods, systems, and storage media are described for the prioritization of services for control and data transmission for new radio (NR) systems. In particular, some embodiments may be directed to the prioritization of hybrid automatic repeat request-acknowledgment (HARQ-ACK) transmissions. Other embodiments may be described and/or claimed.

Abstract: A communication device receives a parallel hybrid automatic repeat request (HARQ) communication instruction, where the parallel HARQ communication instruction is used to instruct the communication device to send or receive data in a parallel HARQ manner, where the sending data in a parallel HARQ manner by the communication device is sending, by the communication device, at least one data packet with same content within a transmission time interval; and the receiving data in a parallel HARQ manner by the communication device is receiving at least one data packet with same content within a transmission time interval, and performing combined decoding on the received at least one data packet with same content; and the communication device sends or receives the data in the parallel HARQ manner according to the parallel HARQ communication instruction. According to the present invention, a delay of data transmission can be reduced.

Abstract: There is disclosed a method of operating a feedback radio node in a wireless communication network. The method includes transmitting Hybrid Acknowledgement Repeat Request, HARQ, feedback, according to a HARQ feedback timing, the HARQ feedback timing being based on one timing representation out of a set having a first timing representation and a second timing representation. The disclosure also pertains to related devices and methods.

Abstract: There is provided methods and associated base station and user equipment, for facilitating transmissions in a wireless communication system. The mapping between an index and its corresponding HARQ ID or HARQ ID & NDI pair can be done using one or more equations relating the two entities. The equations can be defined in two configurations, one for encoding HARQ ID or HARQ ID & NDI pair and a second for decoding the encoded HARQ ID or HARQ ID & NDI pair to determine the HARQ ID or HARQ ID and NDI.

Abstract: According to various examples, a communication device is described comprising a memory configured to store data received in one or more first transmissions of a transmission process according to a retransmission protocol, a receiver configured to receive a second transmission of data of the transmission process, a combiner configured to combine the data received in the second transmission with the data stored in the memory, a determiner configured to determine whether the second transmission was interfered by a communication resource deallocation and a controller configured to maintain data storage of the received data of the transmission process stored in the memory as received data of the transmission process if the second transmission was interfered by a communication resource deallocation.

Abstract: A terminal apparatus includes a receiver configured to receive RRC information indicating the maximum number of CBGs X for one transport block in each serving cell; and a generation unit configured to generate X HARQ-ACK bits corresponding to the one transport block, in which the transport block includes NCB code blocks (CBs), in a case that the number of CBs NCB is less than the maximum number of CBGs X, the number of CBGs for the transport block is NCB, and the generation unit generates NCB HARQ-ACK bits for the NCB CBGs and X-NCB NACKs as the X HARQ-ACK bits.

Abstract: A wireless device receives an uplink grant for consecutive subframes. The uplink grant indicates: a number of the consecutive subframes comprising a starting subframe and an ending subframe; and a hybrid automatic repeat request process number (HARQ ID). LBT(s) are performed for transmitting via the consecutive subframes. A packet is transmitted via a first subframe of the consecutive subframes according to a first HARQ ID. The first HARQ ID is equal to ((the HARQ ID plus i) modulo a first pre-configured number). i indicates a subframe position of the first subframe in the consecutive subframes. i is equal to zero for the starting subframe and i is equal to the number minus one for the ending subframe, regardless of an outcome of the LBT(s) for any subframe of the consecutive subframes before the first subframe.

Abstract: Provided is a terminal device with which deterioration in hybrid automatic repeat request (HARQ) retransmission performance can be inhibited by continuing a downlink (DL) HARQ process for DL data before and after changing the uplink link-DL configuration. In this device, a decoder stores, in a retransmission buffer, DL data transmitted from a base station, and decodes the DL data, and a wireless transmitter transmits a response signal generated using a DL-data-error detection result. A soft buffer is partitioned into a plurality of regions for each retransmission process on the basis of the highest values among retransmission process numbers respectively stated in a plurality of configuration patterns which can be set in the terminal.

Abstract: A method and apparatus for a wireless communication system is provided. The apparatus includes a transceiver and at least one processor coupled with the transceiver and configured to receive data from a first node, transmit the data to a second node, receive, from the second node, radio link control (RLC) feedback information corresponding to the transmitted data and transmit, to the first node, RLC feedback information corresponding to the received data based on the received RLC feedback information and the received data.

Abstract: An information determination method, an information determination apparatus, and a device are provided. The information determination method includes: for multiple configurations of uplink grant-free transmission, detecting uplink transmission on a resource corresponding to at least one of the multiple configurations; and in a case that a first configuration corresponding to a resource where the uplink transmission is detected is not a predetermined configuration, determining an HARQ ID of the detected uplink transmission according to association information between the first configuration and the predetermined configuration.