Abstract: A device for predicting fruit storage periods includes an adjustment prediction assembly arranged on an outer side of each storage box, and a switching auxiliary assembly mounted inside each storage box and the bottom support box. A method for predicting fruit storage periods includes the steps of: S1, inspection preparation; S2, placement and stacking; S3, inspection and prediction; and S4, environmental modification. Through optical observation, fruit changes are monitored to assess current fruit conditions, and an initially predicted storage period is adjusted. With this simple operation, air is dried by silica gel desiccant and deoxygenated by iron powder in an annular drying cage, and the original air within the storage boxes is exhausted, creating a low-oxygen, dry environment and extending the predicted fruit storage period.

Abstract: The present disclosure provides a method and an apparatus for subscribing to an analytics of model transfer status in a network, and a readable storage medium, the method includes: an application function AF sending a first message to a network data analytic function NWDAF directly or through a network exposure function NEF; the AF receiving, directly or through the NEF, analytics information of AI/ML model transfer status sent by the NWDAF, the analytics information being determined by the NWDAF according to received data of the AI/ML model transfer status sent by other network function(s) 5GC NF(s); the analytics information being used to adjust a network policy parameter and/or information of an application layer model. In the present disclosure, a network can effectively adjust a network transmission policy based on the AI/ML model transfer status and a third party can adjust information of an application layer.

Abstract: In a homomorphic encryption-based communication method, a key generation party obtains a first key parameter, where the first key parameter is a key parameter related to an updated root key of a network device accessed by a terminal device. The key generation party derives a homomorphic encryption and decryption key based on the first key parameter using a homomorphic encryption and decryption algorithm, where the homomorphic encryption and decryption key is used for a homomorphic task in which the terminal device participates. Therefore, in communication systems, when information about the homomorphic task in which the terminal device participates changes, the key generation party can re-derive, based on an updated upper-level key of the homomorphic key, a homomorphic key used for the homomorphic task.

Abstract: A wireless sensing method and an apparatus are disclosed. An example method includes: generating at least two sensing signal flows, where the at least two sensing signal flows include a first sensing signal flow and a second sensing signal flow, the first sensing signal flow is a random signal flow, and the second sensing signal flow is determined based on the first sensing signal flow and a lowpass function; and outputting the at least two sensing signal flows in each of a plurality of time units.

Abstract: A homomorphic task management method includes: receiving a homomorphic task request, where the homomorphic task request includes a homomorphic task output type; and sending one or more pieces of homomorphic task configuration information to N homomorphic enabling units based on the homomorphic task request, where each piece of task configuration information includes one or more homomorphic task participant types of at least one of the N homomorphic enabling units; the homomorphic task participant type includes any one of a homomorphic encryption party, a homomorphic computation party, or a homomorphic decryption party.

Abstract: A wireless sensing method and apparatus are disclosed. An example method includes: A first node outputs a first signal, where the first signal is a signal that has undergone randomization processing. The first node receives a second signal, where the second signal is a fourth signal after channel transmission, the fourth signal includes a signal obtained by transforming a third signal, the fourth signal includes a signal output by a first antenna corresponding to a second node and a signal output by a second antenna corresponding to the second node, and the third signal is the first signal after channel transmission. The first node processes the second signal to determine a wireless sensing result.

Abstract: This application provides a user-level homomorphic encryption management method and an apparatus. In the method, a terminal or a network apparatus may determine a homomorphic encryption algorithm by comprehensively considering homomorphic security capabilities of a terminal side and a network side, which helps the terminal provide user-level high privacy protection strength. In addition, a user-level homomorphic key may be determined based on the homomorphic encryption algorithm, thereby implementing user-level key management.

Abstract: A communication method includes obtaining a first constellation diagram. The first constellation diagram includes a set of first constellation points. The first constellation points in the set of first constellation points are obtained by encrypting corresponding second constellation points in a set of second constellation points in a second constellation diagram based on a first key. The second constellation points in the set of second constellation points are obtained by mapping to-be-sent data. A phase of the first constellation points in the set of first constellation points is different from a phase of the second constellation points in the set of second constellation points. The communication method also includes sending a signal based on the first constellation diagram.

Abstract: This application discloses a communication method and apparatus. The method includes: After performing security processing on a plurality of combined spatial bit streams, a first apparatus may send the plurality of spatial bit streams or modulation signals corresponding to the plurality of spatial bit streams. According to the method, errors propagate across the plurality of spatial bit streams. When an error occurs in a spatial bit stream received by a non-target receiving node, an error also occurs in another spatial bit stream received by a target receiving node, so that decoding performance of the non-target receiving node can be deteriorated, and information transmission security can be improved.

Abstract: This application discloses a communication method and apparatus. The method includes: A first apparatus performs security processing on a first message based on a first random seed, to obtain a second message. After obtaining a third message based on the second message, the first apparatus sends the third message to a second apparatus. If the first apparatus receives feedback information from the second apparatus, the first apparatus updates the first random seed to a second random seed, where the feedback information indicates that the second apparatus correctly receives the third message.

Abstract: This application provides a secure communication method and apparatus, and relates to the field of wireless communication technologies. In the method, a communication apparatus receives an ith codeword, where the ith codeword is obtained by encoding an ith first data packet. The ith first data packet is obtained by encrypting an ith second data packet based on an ith random seed. The communication apparatus sends response information of the ith codeword based on a decoding result of the ith codeword, where the response information indicates that the ith codeword is successfully decoded or fails to be decoded.

Abstract: In a secure communication method, a terminal device receives downlink control information, where the downlink control information indicates whether the kth piece of data transmitted in the ith hybrid automatic repeat request (HARQ) process is newly transmitted. If the kth piece of data is newly transmitted, a random seed is updated. An updated random seed is used for security processing on the kth piece of data. Based on this solution, a network device indicates, to the terminal device by using the downlink control information, whether the scheduled kth piece of data is newly transmitted. When the kth piece of data is newly transmitted, the terminal device may update the random seed, thereby synchronizing the random seed with the network device.

Abstract: This application pertains to the field of communication technologies, and provides a security key determining method and apparatus, to resolve a problem that a future communication requirement cannot be met only by ensuring communication security between a terminal and an AMF. In the method, a terminal may directly communicate with a first network function in a network, and after the first network function receives a first request initiated by the terminal, a security connection may be established between the first network function and the terminal by determining a security key. In other words, a message between the first network function and the terminal may be protected by using the security key.

Abstract: A communication method and apparatus. The method includes: a first apparatus performs security processing on q first message packets to obtain q second message packets; after reordering the q second message packets, the first apparatus may perform security processing on the q reordered second message packets to obtain q third message packets; and then, the first apparatus may send q signals, where the q signals are obtained based on the q third message packets. According to the method, at a non-target receiving node, an error can be diffused in a plurality of message packets to the greatest extent, to improve message security.

Abstract: A non-access stratum (NAS) message processing method and apparatus. The method includes: a terminal device generates a plurality of NAS keys, where at least two of the plurality of NAS keys are respectively associated with different NFs, and the plurality of NAS keys include a first NAS key for a first NF. The first NF generates a first NAS key, where the first NF is a non-anchor function. The terminal device processes a NAS message between the terminal device and the first NF based on the first NAS key generated by the terminal device. The first NF processes a NAS message between the first NF and the terminal device based on the first NAS key generated by the first NF.

Abstract: This application provides a communication method and apparatus, and belongs to the field of communication technologies. In the method, a first access network apparatus receives a candidate service cluster list, and sends first information to a first terminal based on the candidate service cluster list. The candidate service cluster list indicates one or more candidate service clusters, each of the one or more candidate service clusters includes one or more access network apparatuses, and each candidate service cluster includes the first access network apparatus. The first information indicates that a first service cluster serves the first terminal, and the first service cluster is a service cluster in the one or more candidate service clusters.

Abstract: A signaling transmission method proposes a trustworthiness protocol and protocol stack of a communication network, including a trustworthiness control plane protocol and protocol stack, and a trustworthiness service plane protocol and protocol stack. The trustworthiness control plane protocol is used for transmission of trustworthiness signaling, management of a trustworthiness capability, subscription to trustworthiness information, negotiation of a trustworthiness policy between communication nodes, a trustworthiness service, and the like. The trustworthiness service plane protocol is used for transmission and processing of trustworthiness data.

Abstract: The method includes: A first control network element obtains a first homomorphic encryption key corresponding to a first domain; the first control network element sends the first homomorphic encryption key to M first homomorphic enabling units belonging to the first domain, where M is an integer greater than or equal to 1; and the first control network element sends a first homomorphic computation key to N second homomorphic enabling units belonging to the first domain, where N is an integer greater than or equal to 1, and the first homomorphic computation key is determined based on the first homomorphic encryption key and/or a first homomorphic decryption key corresponding to the first homomorphic encryption key.

Abstract: A drive apparatus for surgical robot, and a surgical robot are disclosed, the apparatus comprising an assembly frame, multiple drive motors, at least one driver and a controller; the frame comprising a first frame plate and a second frame plate secured to the first frame plate; each drive motor being mounted on the first frame plate and having a power output end for connecting to and providing driving power for an external device; the driver being mounted on the second frame plate and connected electrically and communicatively to the controller and the drive motors, and being configured to cause the drive motors to output respective powers according to instructions of the controller for providing multiple driving powers for the external device. The surgical robot comprises the apparatus. The drive apparatus enables configuration of multiple drive motors and at least one driver within a surgical robotic actuation device with limited space.

Abstract: A method for forming waveguide structures is provided. More specifically, embodiments described herein provide techniques for forming staircase gratings with reduced top and bottom critical dimensions.