3774 results about "Recipient side" patented technology

The invention discloses a data communication method and system based on information security, and belongs to the technical field of data communication, and the data communication method comprises the stages of preparation, transmission, intrusion detection and defense, receiving verification and cleaning ending. The two parties authenticate and exchange keys during preparation; encrypting data by using a symmetric key and an AES algorithm; automatic defense is performed after intrusion detection; the receiver verifies the data; and cleaning the resources at the end, and performing log optimization on the system. According to the invention, through innovatively improving the intrusion detection and defense method, based on real-time network flow monitoring, intrusion analysis based on machine learning and an automatic defense mechanism, the detection accuracy and efficiency are greatly improved, and false alarms and missing alarms are reduced; defense capability and flexibility are enhanced, attacks are intelligently blocked and isolated, and cooperative emergency response is rapid; data communication security technology progress and expansion are promoted, and network security is powerfully guaranteed.

The invention relates to the technical field of network security, and discloses a network information security encryption method, which comprises the following steps: step 1, a sender generates a pair of post-quantum asymmetric keys including a public key and a private key, the public key is used for encrypting a symmetric key, and the private key is used for decrypting the encrypted symmetric key; the sender sends the public key to the receiver through the secure channel, and verifies the authenticity of the public key of the receiver; and step 2, the sender generates a dynamic symmetric key based on a device identifier and a current timestamp, and the device identifier is used for uniquely identifying the device generating the key. A unique and unpredictable dynamic symmetric key is generated by combining a device identifier and a timestamp, the security problem that a traditional static key is easy to crack and abuse in long-term use is solved, in addition, a dynamic update triggering mechanism based on a time interval and a data volume is supported, key management has high flexibility and security, and the security of the key management is improved. And the encryption requirements in different network environments are met.

Accordingly, there are disclosed herein receivers and receiving methods that provide a graceful transition from PAM2 to PAM4 signaling. One illustrative method includes: negotiating a link speed having PAM4 signaling; performing adaption of at least one gain or filter coefficient during PAM2 signaling; switching to PAM4 detection before receiving PAM4 signaling; disabling said adaptation before said switching to PAM4 detection; detecting PAM4 signaling using at least one statistic of detected PAM4 symbols; and enabling said adaptation after PAM4 signaling is detected. Another illustrative method includes: negotiating a link speed having PAM4 signaling; adapting at least one of gain and filter coefficients during PAM2 signaling; monitoring for a change in at least one signal characteristic while performing PAM2 detection; and transitioning to PAM4 detection after detecting said change.

Various systems, computer-readable media, and computer-implemented methods of providing improved data privacy, anonymity and security by enabling subjects to which data pertains to remain “dynamically anonymous,” i.e., anonymous for as long as is desired—and to the extent that is desired—are disclosed herein. Embodiments include systems that create, access, use, store and / or erase data with increased privacy, anonymity, and security—thereby facilitating the availability of more qualified and accurate information. When personal data is authorized by data subjects to be shared with third parties, embodiments described herein may facilitate the sharing of information in a dynamically-controlled manner that also enables the delivery of temporally-, geographically-, and / or purpose-limited information to the receiving party. In one example, the disclosed techniques may be used to functionally separate geospatial information, such that it remains “dynamically anonymous,” i.e., anonymous for as long as is desired—and to the extent or degree that is desired.

The invention discloses a block chain transaction method and system for hiding account amount, and the method comprises the steps: receiving transaction information sent by an initiator, the transaction information comprises an initial commitment generated by the initiator by using a zero value, a zero value proof of the initial commitment, a ciphertext for encrypting a random number of the generated initial commitment, and a zero knowledge proof consistent with the random number of the ciphertext in the initial commitment; verifying a zero-value proof of the initial commitment and a zero-knowledge proof consistent with the ciphertext random number in the initial commitment according to the transaction information; operating the smart contract to obtain a transaction value; generating a transaction commitment of the transaction value using the initial commitment; and calculating new balance commitments of the sender and the receiver according to the pre-stored balance commitments of the sender and the receiver and the commitment of the transaction value. According to the invention, the payer and the payee do not need to determine the transaction amount before the transaction, and do not need a third-party platform to carry out data calculation.

The technology disclosed allows for leveraging decentralized credentials to achieve bidirectional authentication between two actors leveraging a messaging platform / system, such as email or another text-based system, verifiable credentials (VCs), and secure web endpoints. It empowers one party (“Sender”) to send a message enclosed with a Verifiable Presentation which allows another party (“Recipient”) to authenticate the message's provenance and the identity of the sender. Moreover, the message contains a link to a secure web endpoint, where the recipient can submit a response signed by their own Verifiable Presentation, allowing the Sender to authenticate the identity of the Recipient. In this way, both participants are able to authenticate each other's identities with an additional factor of authentication, with neither participant being required to share a single service.

A signal sending and receiving method and device, the signal sending method comprising: determining a first signal and a first resource, the first signal being used for bearing downlink control information, the first signal comprising N signal elements, the signals corresponding to the N signal elements being the same, the first resource comprising N resource groups, any resource group in the N resource groups comprises M subcarriers on one time domain symbol, the N resource groups correspond to N time domain symbols, the N time domain symbols correspond to at least two time units, M is a positive integer, and N is a positive integer greater than or equal to 2; and sending the first signal on the first resource, wherein the N signal elements are in one-to-one correspondence with the N resource groups. According to the method, the sensing performance in a device networking scene can be improved.

The invention discloses a contribution degree determination method and device based on secret information sharing, equipment and a medium, and belongs to the field of data processing. The method comprises the steps that in response to each query service, a query result is obtained, first random number masks and first random commitment input parameters of participant platforms are obtained, and the sum of the first random number masks corresponding to the participant platform serving as a sender and a plurality of participant platforms serving as receivers is 0; on the basis of the query result, the first random number mask and the first random commitment input parameter, commitment related information, a first data sum and a second data sum are obtained; and sending the first data sum and the second data sum to the coordinator platform, so that the coordinator platform obtains the contribution degree of the participant platform based on the first data sum and the second data sum, and verifying the contribution degree of the participant platform according to the second data sum and the commitment related information. According to the embodiment of the invention, the real contribution degree of the participant platform can be obtained.

The invention, which relates to the technical field of communication, discloses a dual-network-integrated voice scheduling exchange system comprising the following steps: collecting network state information in real time, receiving and analyzing a voice scheduling request, and carrying out division processing on both communication parties; calculating a communication path through an intelligent routing algorithm according to the network state information and the division processing; performing network quality evaluation on the communication path calculated by the intelligent routing algorithm, and selecting an optimal communication path; selecting a voice compression parameter to compress the voice signal, and generating a compressed voice data packet; sending the compressed voice data packet to a receiver through the optimal communication path; and the receiver receives the compressed voice data packet, decompresses the compressed voice data packet to obtain an original voice signal, and outputs clear voice information. According to the invention, through integrating the information collection module, the intelligent routing module, the network evaluation module, the voice compression module, the voice transmission module, the terminal receiving module and the like, the overall safety of the dual-network integrated voice scheduling exchange system and the voice scheduling efficiency and quality are effectively improved.

Systems, switches, network endpoints, and methods are provided. In one example, a system is described that includes a latency measurement circuit to measure traffic on a network from an endpoint sender to an endpoint receiver across multiple paths. The system also includes a packet marking circuit to provide a routing mark for a packet destined for the endpoint receiver according to a network traffic measurement provided by the latency measurement circuit, where the routing mark provides an indication that supports routing for the packet to reach the endpoint receiver via a chosen path or subset of paths among the multiple paths.

A user equipment (UE), including a vehicle to everything (V2X) device, a pedestrian UE, or other UE, a baseband processor or other network device can operate to receive an indication of a sidelink (SL) discontinuous reception (DRX) parameter (e.g., an SL DRX active time) of a receiver UE for SL communication (e.g., Mode-2 SL communication). A resource selection procedure can be performed of a set of candidate resources within a resource selection window (RSW) based on the SL DRX parameter of the receiver UE so that at least a subset of candidate resources of the set of candidate resources satisfies a threshold to be within the SL DRX parameter of the receiver UE. A report of the set of candidate resources can then be transmitted from the physical (PHY) layer to a higher layer to enable the SL communication. The SL communication, for example, can include an autonomous determination of SL resources for a Mode-2 sidelink communication.

The disclosure relates to a 5G or 6G communication system for supporting higher data transfer rates. The disclosure relates to the operation of a terminal and abase station in a wireless communication system and, more specifically to, an uplink reference signal transmission and reception method in a wireless communication system and an apparatus capable of performing the same. The disclosure provides an apparatus and a method capable of effectively providing services in a mobile communication system. A method performed a terminal includes receiving at least one reference signal transmitted from a base station, generating, based on the received at least one reference signal, a beam report to support simultaneous multi-panel transmission, and transmitting the beam report to the base station.

The invention belongs to the technical field of block chains, and particularly relates to a dynamic trust decision notarization method and system based on Bayesian reasoning, illegal transactions are prevented by designing a reward and punishment mechanism of a supervision mechanism, a notarist and a user are promoted to dynamically adjust a transaction strategy through Bayesian reasoning, and the transaction efficiency is improved. The notary deduces a posterior belief based on the prior belief to perform strategy selection, the sender deduces the current posterior belief and the queue length of each notary according to the prior belief to select which notary to perform transaction processing, and the receiver updates the posterior belief through Bayesian reasoning to determine a transaction strategy; and after the transaction is completed, the notariff synchronously updates the block chain state and sends confirmation to the two parties. According to the method, notarist cross-chain and Bayesian reasoning are combined, the transaction quality under block chain cross-chain is better guaranteed, and powerful support is provided for improving the transaction quality and reducing transaction violation behaviors.

Disclosed are a signal receiving method, a signal sending method, a device and storage medium. The signal receiving method comprises: in response to N control channels at a same time instance colliding, determining a priority of a quasi-co-location reference signal set of the N control channels according to a resource index of a control channel resource where each control channel of the N control channels is located and a feature of each control channel of the N control channels, wherein N is an integer greater than or equal to 2, the feature of each control channel indicates whether the control channel is a shared control channel or a dedicated control channel; and receiving one or more of the N control channels according to the determined priority of the quasi co-located reference signal set.

Techniques and systems are described that perform automated identification and retrieval of contextual information for quick and accurate processing of user queries by artificial intelligence generative models. The techniques include receiving a natural language (NL) query associated with a user identifier (ID) and obtaining, using a first NL generative model, contextual data that is pertinent to the NL query and is associated with the user ID. The techniques further include generating an augmented NL query that is based on the NL query and the contextual data. The techniques include communicating the augmented NL query to a recipient that includes the first NL generative model, a second NL generative model, or a user session associated with the user ID.

The invention discloses an encryption method and device for industrial internet data exchange, equipment and a medium, and relates to the technical field of industrial information security, and the encryption method comprises the following steps: generating a pair of public key and private key for industrial equipment or nodes preliminarily participating in data exchange by using an elliptic curve ECDH protocol, and carrying out initialized key exchange; generating a temporary additional key, and calculating a temporary session key; encrypting the temporary session key by using a public key of a receiver to obtain a session key, and processing data according to different stages of data exchange; and when each session ends or a preset time / data volume threshold is reached, automatically discarding the old key and renewedly negotiating a new session key. According to the method, resource consumption in the key exchange process is reduced, potential safety hazards possibly caused by key reuse or long-term key fixation are reduced, the attack resistance of the data exchange process is improved, the confidentiality and integrity of data exchange are guaranteed, and a continuous and safe environment is constructed for data exchange of the industrial internet.

The invention relates to a data packet transmission method and device, computer equipment, a computer readable storage medium and a computer program product. The method is applied to a receiver and comprises the steps that under the condition that configuration information of the receiver supports a custom extension header, a first data packet in a sending window is acquired through a transmission channel, and the first data packet carries a serial number and the custom extension header; the user-defined extension head comprises a step length; and under the condition that an out-of-order data packet is received, writing the out-of-order data packet into the corresponding first storage position according to the serial number of the out-of-order data packet, the serial number of the first data packet, the step length and the length of the custom extension head, and returning a confirmation signal of the out-of-order data packet through the transmission channel. By adopting the method, the transmission efficiency of the out-of-order data packet can be improved.

A communication method and a related device relate to the technical field of communication. The method comprises the following steps: the terminal equipment determines whether first data in a logic channel group has delay data or not, and further dynamically associates a target threshold value based on whether the delay data exists or not. The terminal equipment sends a resource request message, the resource request message is used for requesting to configure resources for the first data, and the resource request message comprises a target threshold value associated with the first data. The target threshold value is used for a receiver of the resource request message, such as a network device, to determine the sending opportunity of the DSR report. According to the method, the sending opportunity of the delay state report can be dynamically adjusted, and redundant signaling is reduced.

Disclosed is a method for transmitting and receiving a physical protocol data unit (PPDU) in a wireless communication system. A terminal receives a preamble of the PPDU from an access point (AP). The preamble includes a universal signal (U-SIG) field and an extremely high throughput (EHT)-SIG field, wherein the EHT-SIG field may be configured with at least one content channel on a frequency axis. Here, the number of the at least one content channel may be recognized on the basis of the U-SIG field. Subsequently, the terminal receives data of the PPDU on the basis of the U-SIG field and the EHT-SIG field.

The embodiment of the invention provides a data receiving method and device, a storage medium and electronic equipment. The method comprises the following steps: under the condition that a non-transparent bridge link between a first host and a second host is established, acquiring at least one link description parameter of the non-transparent bridge link; receiving a target data set from the non-transparent bridge link under the condition of determining that the non-transparent bridge link meets a transmission condition according to the link description parameter; checking the first data subset according to the first reference data subset; under the condition that the verification result of the first data subset indicates that error data exist in the first data subset, correcting the error data in the first data subset according to a second reference data subset to obtain a second data subset; and determining the second data subset as the received target data subset. According to the invention, the technical problem of low data transmission efficiency in the prior art can be solved.

The embodiment of the invention provides a network-on-chip routing method and device, a storage medium and electronic equipment, and relates to the technical field of computers, and the method comprises the steps: determining a neighbor node of a first node according to a relation between the first node and a destination node; the first node is a sender of a data packet, and the destination node is a receiver of the data packet; and acquiring congestion information of the neighbor node, and selecting a transmission path of a data packet according to the congestion information. Therefore, the related neighbor nodes are selected according to the relationship between the first node and the target node, and the transmission path of the data packet is selected based on the congestion condition of the neighbor nodes, so that the network congestion problem is relieved through dynamic sensing and path selection, the path diversity is improved, the congestion is reduced, and the network congestion rate is improved. Therefore, the communication efficiency and the working performance of the network-on-chip are improved.

The invention discloses an industrial internet trusted data communication method and system, and relates to the technical field of data communication, and the method comprises the steps: taking an equipment end and an employee end as data collection points, building an initial trust value for each data collection node, and obtaining a dynamically adjusted trust value for each data collection node according to the historical performance and real-time state of the data collection node; classifying and aggregating the collected data according to the data type and the trust value; dynamically allocating bandwidth resources according to the trust value and the data type; after data transmission is completed, a bidirectional confirmation mechanism is started, a sender and a receiver confirm whether the data is successfully sent and received through a feedback mechanism, and if the sender does not receive a confirmation message within a specified time, a timeout mechanism is triggered, and a data packet is sent again until the data packet is confirmed to be received; and calculating an average transmission success rate, and dynamically adjusting strategies of data acquisition, compression and bandwidth allocation.

A trigger frame-based PPDU transmission / reception method and device in a wireless LAN system are disclosed. The method performed by means of a station (STA) in a wireless LAN system, according to one embodiment of the present disclosure, may comprise the steps of: receiving, from an access point (AP), a trigger frame including a common info field; and transmitting, to the AP, a TB PPDU corresponding to one of one or more TB PPDUs triggered by means of the trigger frame. The common information field comprises an A-PPDU related subfield, and a configuration of the one or more TB PPDUs can be indicated on the basis of the A-PPDU related subfield and at least one other subfield included in the common information field.

The invention provides an efficient privacy set intersection method and device based on bucket coding, and the method comprises the steps: obtaining an input set and a target value set, the input set comprises a private set of a sender and a private set of a receiver, and the target value set is generated based on the private set of the receiver; encoding the private set of the receiver into a sparse matrix composed of a plurality of buckets through a hash function; determining a linear system of the sparse matrix; performing ascending sorting and re-labeling on the linear system according to the initial bit position set to obtain a target linear system; according to a bucket-based Gaussian elimination algorithm, based on a target linear system, through exclusive-or operation, determining oblivious key value pairs for storage; an intersection of the private set of the sender and the private set of the receiver is determined based on the oblivious key-value pair storage according to an oblivious linear evaluation protocol. According to the invention, communication resources required by privacy set intersection in an actual production environment can be further reduced.

The invention discloses a data security sharing method and device for verifiable bilateral access control based on an attribute threshold, computer equipment and a storable medium, and aims to realize data privacy protection and source authenticity guarantee in an open cloud-edge collaborative environment. According to the method, an attribute threshold matching mechanism is introduced, a bilateral access control strategy is designed, decryption can be performed only when intersection of attribute sets of a data sender and a data receiver and access attribute sets specified by each other meets a preset threshold, and access authorization under fuzzy matching is supported. In order to ensure the authenticity and non-repudiation of the data, the attribute signature of the sender is embedded into the ciphertext structure, and the credibility of the data source is ensured. According to the method, a constant-size ciphertext structure is adopted, and an offline / online double-stage encryption technology is combined, so that the encryption delay and the calculation burden are reduced. At a decryption end, data verification and partial decryption tasks are outsourced to edge nodes, and a result verification mechanism is introduced, so that malicious nodes are effectively prevented from returning wrong results.

A discontinuous reception (DRX) method, a terminal device, and a network device are provided. The method can include the following. A terminal device starts a first timer at a first time after a time when a low-power wake-up signal (LP-WUS) is received by the terminal device, where the first timer is a drx-onDuration timer. A duration of the first timer is configured by a network device. The terminal device is in a radio resource control (RRC)_CONNECTED state and in a low-power receiver state. The method further includes the following. The terminal device monitors the LP-WUS, and wakes up a main radio in a case where the LP-WUS is received by the terminal device.

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting higher data transfer rates. A method performed by a user equipment (UE) in a communication system is provided. The method includes identifying physical uplink shared channel (PUSCH) transmissions to be transmitted on slots, identifying orthogonal cover code (OCC) groups corresponding to the PUSCH transmissions, and transmitting, on the slots, the PUSCH transmissions with OCC applied based on the OCC groups, wherein a same redundancy version (RV) value is applied for one OCC group among the OCC groups.

The invention discloses a system message receiving method, a system message sending method, a system message receiving device, a system message sending device, a terminal and equipment, and belongs to the technical field of communication. The system message receiving method comprises the steps that the terminal receives first system information, and the first system information comprises a cell prohibition indication and a first indication; wherein the first indication is used for indicating at least one of the following items: attribute information of the cell and random access information under the condition that the cell forbidding indication is not forbidden.

A transmission method includes: multiplexing first uplink control information (UCI) and second UCI into one designated physical uplink control channel (PUCCH), where a PUCCH of the first UCI with a high-priority and a PUCCH of the second UCI with a low-priority overlap in a time domain; and transmitting the second UCI with the low-priority, multiplexed into the one designated PUCCH, by using a power based on a power control parameter associated with the first UCI with the high-priority.

The embodiment of the invention provides a data transmission method and device based on a network-on-chip, electronic equipment and a readable storage medium. The method comprises the steps that a data packet is received, and a target routing node corresponding to the data packet is determined; determining a next-hop routing node corresponding to the routing node from the tree topology structure according to the receiving direction of the data packet and the position of the routing node in the tree topology structure; the tree topology structure is a structure for connecting configuration channels of the routing nodes; and sending the data packet to the next-hop routing node, so that the next-hop routing node determines the corresponding next-hop routing node until the next-hop routing node is the target routing node, sending the data packet to the target routing node, so that the target routing node performs configuration according to the data packet, and sending the configured data packet to the next-hop routing node, so that the next-hop routing node determines the corresponding next-hop routing node until the next-hop routing node is the target routing node. The bandwidth utilization rate during data transmission is improved, and the real-time performance of data transmission is improved.