Abstract: A method for handling radio link failure and a device are disclosed. The method includes: obtaining a first failure report, where the first failure report indicates that a first node has received a notification of backhaul recovery failure from a parent node of the first node, or the first failure report indicates that link failure has occurred in a first link, where the parent node of the first node is in the first link; and transmitting the first failure report to a donor node through a second link. In the embodiments of the present invention, when RLF occurs in a radio link, a failure report can be reported to a donor node through a node configured with dual connectivity, so that the donor node can schedule and configure network resources based on the failure report.

Abstract: Techniques pertaining to signaling for uplink (UL) transport block (TB) physical-layer protocol data unit (PPDU) with distributed-tone resource unit (dRUs) in 6 GHz low-power indoor (LPI) systems are described. A station (STA) receives a trigger frame and, in response to the trigger frame signaling an indication of a RU type and that a dRU operation is enabled, the STA generates and transmits a PPDU with a dRU.

Abstract: A method in a User Equipment (UE) for determining a transmission data block size is provided. The method comprises: obtaining parameters for a data transmission, the parameters including at least a number of layers, a number of allocated resource blocks, a modulation order and a code rate; determining an effective number of resource elements; determining a transmission data block size based on the obtained parameters and the determined effective number of resource elements; and performing one of transmitting and receiving data based on the determined transmission data block size.

Abstract: The technology of this application relates to an acknowledgement packet processing method, a communications apparatus, and a storage medium, to reduce an ACK sending frequency and improve data transmission efficiency. The acknowledgement packet processing method is applied to a first communications apparatus, and the method includes generating a first ACK packet based on an acknowledgement ACK mechanism supported by the first communications apparatus, where the ACK mechanism is used to indicate N ACK types corresponding to N ACK packets, a trigger condition required for sending each of the N ACK packets, and feedback information carried in each of the N ACK packets, the first ACK packet is one of the N ACK packets, and N is a positive integer greater than or equal to 2. The method further includes sending the first ACK packet to a second communications apparatus.

Abstract: Methods and apparatuses are described herein for feedback based midamble adaptation. For example, a first station (STA) may transmit, to a second STA, a request frame that includes an indicator indicating a request for midamble information. The first STA may receive, from the second STA, a response frame that includes the midamble information determined by the second STA based on one or more channel measurements associated with the second STA. The midamble information may include a midamble report, a Doppler measurement report, or the like. The midamble report or the Doppler measurement report may include at least one of a midamble periodicity, a mobility/Doppler level, or the like. Based on the midamble information, the first STA may generate a physical layer convergence procedure (PLCP) protocol data unit (PPDU) that includes at least one midamble within a data portion of the PPDU.

Abstract: A receiving device may be either a UE or a base station. The receiving device may receive, from a transmitting device, communication based on a current reference signal (RS) pattern. The receiving device may determine, based on the received communication, at least one updated RS pattern for at least one resource block (RB). The at least one updated RS pattern may include at least one updated energy per resource element (EPRE) value for one or more RS tones. Further, the receiving device may transmit, to the transmitting device, a report of the at least one updated RS pattern. The report may correspond to at least one of an absolute value or a relative value of the at least one updated EPRE value for the one or more RS tones.

Abstract: This communication system comprises: a first radio-communication device that transmits a plurality of first reference signals with controlled directivity in a time-sharing manner in a first period; and a second radio-communication device that transmits a plurality of second reference signals with controlled directivity to the first radio-communication device in a time-sharing manner in a second period, the second reference signal including information on directivity corresponding to any one of the first reference signals received from the first radio-communication device.

Abstract: A second network device receives, from a first network device, configuration information corresponding to at least one first reference signal and configuration information corresponding to at least one synchronization signal block, where the at least one synchronization signal block is at least one synchronization signal block corresponding to a synchronization signal block frequency; and the second network device determines timing information of the at least one first reference signal based on timing information of a reference synchronization signal block, where the reference synchronization signal block belongs to the at least one synchronization signal block.

Abstract: A method for determining a reference signal sequence, a terminal device, and a network device, the including receiving, by a terminal device, first indication information sent by a network device, determining, by the terminal device, a target resource based on the first indication information, determining, by the terminal device, a reference signal sequence based on parameters of a first bandwidth and parameters of a second bandwidth, and sending or receiving, by the terminal device, the reference signal sequence on the target resource.

Abstract: A communication system and method, a movable platform, and a terminal device are provided. The communication system includes a movable platform and a terminal device; the movable platform is configured to send a data packet, where the data packet includes attribute information of the movable platform; and the terminal device is configured to receive the data packet, and output prompt information if the attribute information in the data packet is preset attribute information, where the prompt information indicates whether to establish a communication connection between the terminal device and the movable platform.

Abstract: A method, a User Equipment, a computer program and a computer readable medium for SideLink (SL) transmission parameter determination.

Abstract: The disclosure relates to a communication technique for convergence between an IoT technology and a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system thereof. The disclosure may be applied to intelligence services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety related services, etc.) based on a 5G communication technology and an IoT-related technology. The disclosure provides a coverage improvement method for a PDCCH in a wireless communication system.

Abstract: A user terminal according to an aspect of the present disclosure includes a receiving section that receives downlink shared channels (Physical Downlink Shared Channels (PDSCHs)) from a plurality of transmission/reception points (TRPs), and a control section that determines, based on a first identifier utilized to initialize a psudo random sequence generator used to generate a sequence for a specific reference signal, a second identifier for data scrambling of the PDSCHs in a case where a given condition is satisfied. According to an aspect of the present disclosure, it is possible to appropriately determine scramble sequences for PDSCHs in a case where multiple TRPs are utilized.

Abstract: Various communication systems may benefit from appropriate handling of uplink communications. For example, certain wireless communication systems may benefit from an uplink coverage extension for unlicensed band operation. A method can include configuring a first interlace having a first starting physical resource block. The method can also include configuring a second interlace having a second starting physical resource block offset from the first physical resource block. The method can further include transmitting or receiving a signal based on a combination of the first interlace and the second interlace. The combination can include at least one cluster but less than two clusters in each measurement interval.

Abstract: A method and apparatus for determining transmission parameters. The apparatus includes: to receive at least two TCI state related parameters or signaling configured or indicated by a network device; and to determine a transmission parameter of at least one transmission occasion of a transport block according to a related parameter or signaling containing a TCI state mapping pattern, and a parameter or signaling indicating that DCI signaling does not contain a TCI field or a parameter or signaling indicating that DCI signaling contains a TCI field, in the at least two TCI state related parameters or signaling, or determine a transmission parameter of at least one transmission occasion of a transport block according to a related parameter or signaling containing a TCI state mapping pattern, and DCI signaling not containing a TCI field, in the at least two TCI state related parameters or signaling.

Abstract: The present disclosure relates to a method of transmitting a Radio Link Control (RLC) status report by a User Equipment (UE) in a wireless communication system. In particular, a Packet Data Convergence Protocol (PDCP) entity of the UE is associated with two or more RLC entities and the PDCP entity receives duplicated PDCP PDUs from the two or more RLC entities. The method comprises detecting, by one of the two or more RLC entities, that a RLC Service Data Unit (SDU) is not received; and transmitting, by the one RLC entity, a RLC status report to a peer RLC entity, wherein, when the RLC SDU includes a PDCP Protocol Data Unit (PDU) that has already been successfully received by the PDCP entity, the RLC status report includes information related to a successful reception of the RLC SDU.

Abstract: The present invention relates to a method for determining a physical uplink control channel (PUCCH) resource, and a storage medium. The method performed by a terminal includes acquiring codebook type indication information of a hybrid automatic repeat request acknowledgement (HARQ-ACK), a codebook type indicated by the codebook type indication information having a corresponding relationship with a PUCCH resource carrying the HARQ-ACK; and determining the PUCCH resource for carrying the HARQ-ACK based on the codebook type indication information.

Abstract: The present disclosure provides a hybrid automatic repeat request-acknowledgement (HARQ-ACK) feedback position determining method and a communications device. The HARQ-ACK feedback position determining method includes: when a repetition scheme of a physical downlink shared channel (PDSCH) in one slot is configured or indicated, determining at least one candidate PDSCH reception occasion based on a start and length indicator (SLIV) of a time domain resource allocation (TDRA); and determining, based on the first PDSCH scheduled by using downlink control information (DCI) and the at least one candidate PDSCH reception occasion, a feedback position of an HARQ-ACK corresponding to a first PDSCH in a preset HARQ-ACK codebook, where the first PDSCH is transmitted for one or more times.

Abstract: A methods and apparatuses for providing and configuring channel state information (CSI) reports. A method of operating a user equipment includes receiving a channel state information reference signal (CSI-RS) and generating, based on the CSI-RS reception, a first CSI report and a second CSI report. The first CSI report includes a first channel quality indicator (CQI) index from a first set of CQI indexes and the second CSI report includes a second CQI index from a second set of CQI indexes. The method further includes transmitting the first CSI report in a first channel and the second CSI report in a second channel.

Abstract: The invention relates to a method for transmitting a periodic channel quality report (CSI) and/or a sounding reference symbol (SRS) from a UE to an eNodeB. To avoid double decoding at the eNodeB in transient phases, a deterministic behavior of the UE is defined by the invention, according to which the eNodeB can unambiguously determine whether the UE will transmit the CSI/SRS or not. According to one embodiment, the UL grants and/or DL assignments received until and including subframe N?4 only are considered; UL grants and/or DL assignments received by the UE after subframe N?4 are discarded for the determination. Additionally, DRX-related timers at subframe N?4 are considered for the determination. In a second embodiment, DRX MAC control elements from the eNodeB, instructing the UE to enter DRX, i.e., become Non-Active, are only considered for the determination if they are received before subframe N?4, i.e., until and including subframe N?(4+k).

Abstract: Provided is a radio communication device which can prevent interference between SRS and PUCCH when the PUCCH transmission bandwidth fluctuates and suppress degradation of CQI estimation accuracy by the band where no SRS is transmitted. The device includes: an SRS code generation unit (201) which generates an SRS (Sounding Reference Signal) for measuring uplink line data channel quality; an SRS arrangement unit (202) which frequency-multiplexes the SRS on the SR transmission band and arranges it; and an SRS arrangement control unit (208) which controls SRS frequency multiplex so as to be uniform in frequency without modifying the bandwidth of one SRS multiplex unit in accordance with the fluctuation of the reference signal transmission bandwidth according to the SRS arrangement information transmitted from the base station and furthermore controls the transmission interval of the frequency-multiplexed SRS.

Abstract: A wireless transmit/receive unit (WTRU) may receive a PDCCH transmission comprising a CCE that is mapped to one or more REGs based on a CCE-to-REG mapping. The WTRU may receive the CCE-to-REG mapping that indicates a REG bundle corresponding to the CCE and use the CCE-to-REG mapping to identify the REGs for the WTRU. Depending on whether the CCE-to-REG mapping is interleaving or noninterleaving, the CCE-to-REG mapping may be based on different parameters. If the CCE-to-REG mapping is interleaving, the CCE-to-REG mapping may be based on an index associated with the CCE and a number of REGs in the REG bundle. If the CCE-to-REG mapping is noninterleaving, the CCE-to-REG mapping may be based on the index of the CCE.

Abstract: A method, system, network node and wireless device are disclosed. In one or more embodiments, a network node configured to communicate with a wireless device (WD) is provided. The network node is configured to, and/or has a radio interface and/or has processing circuitry configured to receive at least one channel state information, CSI, report associated with at least one CSI measurement using more antennas than a maximum number of layers configured for a current active bandwidth part, BWP.

Abstract: Short Control Channel Elements (SCCE) to Short Resource Element Groups (SREG) mapping for Short Physical Downlink Control Channel (SPDCCH) is provided. A User Equipment (UE) receives a communication from a base station; determines a mapping between one or more SCCE and corresponding SREG; and processes the communication based on the mapping. A base station determines a mapping between one or more SCCE and corresponding SREG for a communication to a UE and transmits a communication to the UE based on the mapping. In this way, the localized and distributed SCCE to SREG mapping for CRS-based SPDCCH is defined. Also, the SCCE to SREG mapping for 2 and 3 OFDM symbols DMRS-based SPDCCH is defined. For DMRS-based SPDCCH, a distributed configuration at SCCE level is defined. This may improve latency and can improve the average throughput of a communications system. Radio resource efficiency could be positively impacted by latency reductions.

Abstract: Embodiments of the present disclosure relate to methods and devices for data transmission. In example embodiments, a method implemented in a network device is provided. According to the method, a target RS port group is determined from a plurality of RS ports for transmitting a RS. The RS ports are associated with at least one network device. Then, a configuration of the target RS port group is transmitted to the terminal device.

Abstract: An apparatus may comprise a component for communicating using a first RAT and another component for communicating using a second RAT. Overlapping communication using the two RATs may cause problems for proper reception at the apparatus. The apparatus may detect that transmission or reception of a first packet using a first RAT will overlap in time with reception of a second packet using a second RAT. The apparatus prioritizes the first packet or the second packet based at least on a relative priority of the first packet and the second packet.

Abstract: Systems and methods for HDMI signal communication over an optical communication link are described. One aspect includes receiving an HDMI control signal from an HDMI master device, and another HDMI control signal from an HDMI sink terminal via a communication resources. The method identifies half-duplex communication resource contention between the HDMI control signal and the other HDMI control signal, and transitions a communication direction of the half-duplex communication resources to give the HDMI control signal precedence over the other HDMI control signal. Subsequent to transitioning the communication direction, the method transfers the HDMI control signal to the HDMI sink terminal via the communication resources. Subsequent to transferring the HDMI control signal, the method again transitions the direction of the half-duplex communication resources, and transfers the other HMDI control signal to the HDMI master device.

Abstract: Communication devices and systems with correct regeneration of an audio signal are disclosed. In one example, a communication device measures a number of predetermined reference clocks included in one cycle of a frequency divided signal, on the basis of an audio master clock having a frequency obtained by multiplying a frequency of a sampling clock to sample an audio signal, a frequency division ratio of a frequency divided signal of the audio master clock, and a predetermined reference clock. A packet generator generates a packet including information including the measured number, a bit width of serial data (SD) conforming to an Inter-IC Sound (I2S) standard, the frequency of the sampling clock, a frequency division ratio of the frequency divided signal to the audio master clock, a frequency ratio of the frequency of the audio master clock to the frequency of the sampling clock, and the SD.

Abstract: A communication chip includes an input port, a gain circuit, a correction circuit having a phase-locked loop (PLL) circuit and a return terminal, a post-processing circuit, and a switching circuit. The gain circuit includes an input terminal and a quadrature modulation circuit that operates according to a reference clock. The gain circuit gains a signal from the input terminal according to a bias voltage and outputs a gained signal. The PLL circuit generates a correction signal through synchronization according to the reference clock. The post-processing circuit obtains an input signal strength according to a correction table and a signal from a receiving terminal of the post-processing circuit. The switching circuit couples the correction signal to the input terminal and the gained signal to the return terminal in test mode and couples the input port to the input terminal and the gained signal to the receiving terminal in an operating mode.

Abstract: A synchronization control device receives a trigger signal as input, outputs a first output signal for presenting a specific sensing target of a first sensor at a first time point corresponding to an input time point of the trigger signal, to a first device that presents the specific sensing target of the first sensor, and outputs a second output signal that instructs start of sensing in a second sensor different from the first sensor at a second time point corresponding to the input time point of the trigger signal, to the second sensor.

Abstract: A communication method, device, and a storage medium to resolve a problem that information about a clock frequency and a clock phase of a service cannot be correctly transmitted to a receiver or correctly recovered because transparent transmission of the information about the clock frequency and the clock phase of the service cannot be implemented. Because a value of k based on a reference data unit is inserted into a second data flow, and the value of k can indicate a quantity of third data units included between a second data unit and the reference data unit in a first data flow, a receive end device can completely recover the first data flow based on the value of k.

Abstract: A homomorphic encryption system receives a ciphertext output of an arithmetic evaluation function. The arithmetic evaluation function is performed on a ciphertext input homomorphically encrypted from a plaintext input using a set-system including sets having an intersection property. The ciphertext output is decrypted using a summation of two or more noise-canceling party identifiers of two or more authorized parties, wherein the intersection property of the sets cancels out errors generated during the decrypting operation for the two or more authorized parties.

Abstract: The present disclosure provides an acceleration unit, and a related apparatus and method. The acceleration unit includes: one or more number theoretic transform units adapted to perform number theoretic transform during homomorphic encryption; one or more arithmetic logic units adapted to perform an arithmetic operation during homomorphic encryption; and a scheduler adapted to assign an operation in a to-be-executed homomorphic encryption instruction to at least one of the one or more number theoretic transform units and at least one of the one or more arithmetic logic units. Embodiments of the present disclosure improve versatility, global performance, and scalability of deployment of homomorphic encryption hardware.

Abstract: Disclosed is a calculation device. The present calculation device includes: a memory for storing a plurality of homomorphic ciphertexts for an approximate message including an error; and a processor for sorting the plurality of homomorphic ciphertexts by using a 5-way sorter which can sort five homomorphic ciphertexts in a single stage.

Abstract: Systems and methods that may implement an Oracle-aided protocol for producing and using FHE encrypted data. The systems and methods may initially encrypt and store input data in one encrypted form that is not performed using FHE, which does not substantially increase the size of the data and storage resources required to store the encrypted data. In accordance with the Oracle-aided protocol, the encrypted data is re-encrypted as FHE encrypted data when FHE encrypted data is required.

Abstract: The present disclosure provides a method and apparatus for determining an encryption mask, a method and apparatus for recognizing an image, a method and apparatus for training a model, a device, a storage medium and a computer program product. A specific implementation comprises: acquiring a test image set and an encryption mask set; superimposing an image in the test image set with a mask in the encryption mask set to obtain an encrypted image set; recognizing an image in the encrypted image set using a pre-trained encrypted image recognition model and recognizing the image in the encrypted image set using a pre-trained original image recognition model to obtain a first recognition result; and determining a target encryption mask from the encryption mask set based on the first recognition result.

Abstract: In the disclosed transaction processing system, members of an authorized network of consumers and merchants manage account information using blockchain ledgers. Because both consumers and merchants maintain copies of the blockchain, for any consumer/merchant transaction, both entities can quickly validate the transaction because both are aware, via their blockchain entries, of the current status of the account sourcing the transaction, allowing fast and accurate transaction validation without the need to incur the processing charges inherent in traditional fiat currency credit transactions.

Abstract: A multi-party network utilizing cryptography that includes one or more processors, wherein the one or more processors are programmed to utilize bit decomposition on an embedded input state associated with an input, apply a backward substitution box affine transformation to output bits, determine seven powers from the output bits utilizing seven of linear transformations, determine an inverse of the secret state utilizing six secret-by-secret multiplications with the seven powers from the output bits, and output an inverse of a secret input state of a Galois field in response to composing the inverse of the secret state.

Abstract: A symmetric key lightweight cryptography system for variable length messages is disclosed. The encryption processes of the cryptography system perform a number of rounds of encryption, each round comprising dividing the blocks of the message into a Reference Part and Target Part, performing a self-rotating function on each block of the Target Part based on the Reference Part, performing an self-inverse function on all blocks using a key, and shifting all blocks before the next round of encryption. The decryption processes may decrypt the encrypted message by applying functions that reverses the encryption steps with the same key. The key may be generated by inputting a dynamic random number known to both the encryption and decryption processes to a set of Key Pool comprising a plurality of candidates for the key.

Abstract: A method includes receiving data and a plurality of values at a processor. The data can include real-valued data and/or complex data. The plurality of values includes one of a plurality of random values or a plurality of pseudo-random values. The method also includes generating an automorphism, via the processor, based on the plurality of values, and partitioning the data, via the processor, into a plurality of data blocks. The automorphism includes at least one of a linear transformation or an antilinear transformation. Each data block from the plurality of data blocks can have a predefined size. The method also includes applying the automorphism, via the processor, to each data block from plurality of data blocks, to produce a plurality of transformed data blocks, and causing transmission of a signal representing the plurality of transformed data blocks.

Abstract: A system for a vehicle includes a computer, a first electronic control module, and a wired vehicle communications network coupling the computer and the first electronic control module. The computer is programmed to transmit authentication keys to the first electronic control module and a plurality of second electronic control modules via the wired vehicle communications network, encrypt a table of the authentication keys using a first key, store the encrypted table, transmit the encrypted table to the first electronic control module via the wired vehicle communications network, and transmit the encrypted table and the first key to a remote server spaced from the wired vehicle communications network.

Abstract: According to one embodiment, a secure computing method includes setting a coefficient selected from a ring of integers Q based on first data X, generating n pieces of first fragment data from the first data X based on the coefficient, causing a learning model held in the computing device to learn the first fragment data, generating n pieces of second fragment data from second data Z based on the coefficient, performing, by each of the n computing devices, inference based on the second fragment data using the learning model, and obtaining decoded data dec by decoding k pieces of inference result data. The coefficient is set to make each of the n pieces of first fragment data less than a maximum value of the ring of integers Q.

Abstract: A computer-implemented method for providing a distributed data processing service for performing a secure multiparty computation of a function on at least first and second items of private input data using at least a first and a second computing engine communicatively coupled via a communication network.

Abstract: Systems and methods for encrypted content management are provided and include generating a user private key, a user public key, and a symmetric encryption key. A group private key, a group public key, and a group symmetric encryption key are generated and the group private key is encrypted with the group symmetric encryption key. A first shared-secret key is generated based on the user public key and the group private key using a diffie-hellman exchange algorithm. The group symmetric encryption key is encrypted using the first shared-secret key to generate an escrow key. Plaintext data is encrypted using a content symmetric key. A second shared-secret key is generated based on an ephemeral private key and the group public key using a diffie-hellman exchange algorithm. The content symmetric key is encrypted using the second shared-secret key.

Abstract: In one embodiment, a system including a tangible token comprising a single integrated transparent gemstone produced by fusing together a first transparent gemstone and a second transparent gemstone, a first internal side of the first transparent gemstone is etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, the first internal side of the first transparent gemstone is aligned with a second internal side of the second transparent gemstone, and the aligning encapsulates the information within a perimeter of the second internal side such that the information does not extend beyond the perimeter. The system includes a computing device that executes instructions to: read the information, validate, via a network and the address, the public key and private key are associated with the blockchain, and present an indication of whether or not the information is validated.

Abstract: A communication authentication method and a related device, the method including sending, by a user terminal, a generic bootstrapping architecture (GBA) authentication request carrying a user terminal identifier, receiving, by the user terminal, an authentication request carrying an authentication token (AUTN) and a random number (RAND), and deriving, by the user terminal, a first authentication vector based on the AUTN and the RAND, where the first authentication vector is different from a second authentication vector of the user terminal, the first authentication vector is a 5th generation (5G) GBA authentication vector, and the second authentication vector includes at least one of a 3rd generation/4th generation (3G/4G) GBA authentication vector or a 5G authentication vector.

Abstract: Blinding techniques can be used to obfuscate or otherwise modify a quantum-secure public key (and the corresponding private, or secret, key) such as a lattice-based public key. Blinding of a public key can include selecting a blinding parameter, which can be a vector or matrix, and applying the blinding parameter to the public key. A corresponding modification can be applied to the private key such that data encrypted using the blinded public key can be decrypted using the blinded public key. When a device needs to send a public key in the clear, e.g., in the course of establishing a secure communication session, the device can generate a blinded public key from its static public key and send the blinded key instead of the static public key.

Abstract: Provided are a quantum key distribution method, device, and system.

Abstract: A method for recovering data. The method including collecting identity factors at a user device, wherein hashes of the identity factors are configured to be stored at a server. The method including generating at the user device a dynamic password based on the identity factors and a Salt configured to be generated by the server and configured to be delivered to the user device. The method including generating at the user device a data key and encrypting the data key using the dynamic password to generate an encrypted data key configured to be stored at the server. The method including encrypting at the user device data items using the data key to generate encrypted data items configured to be stored at the server. As such, the data items are recoverable by presenting the identity factors to the server.

Abstract: Described herein are systems and methods for a distributed Java Keystore, in accordance with an embodiment. This KeyStore can provide a secure place for a distributed queue to persist credentials, private keys, and other sensitive information. Such a KeyStore can be utilized within other distributed systems that require scaling (in and out) in runtime.