144 results about "Communication channel" patented technology

The application relates to the technical field of network communication, and discloses a communication channel dynamic encryption method and device, which comprises the following steps: collecting communication scene related information and security state related information to obtain an evaluation result; selecting a corresponding encryption scheme based on the evaluation result to establish an encryption link; transmitting an updated key library by using the encryption link to complete seamless updating of the key library; and binding the encryption scheme and session information and optimizing session parameters based on the encryption link and the updated key library to obtain encrypted transmission of communication data. The communication channel dynamic encryption method and device are characterized in that, through three-dimensional evaluation of data sensitivity, network security level and historical interaction security record and dynamic adaptation of the encryption scheme, high-sensitivity data, dangerous network environment and other scenes can be subjected to high-intensity encryption with high pertinence, low-sensitivity data and safe network environment can be subjected to moderate encryption strength, transmission efficiency caused by excessive encryption is avoided, and security risks caused by insufficient encryption strength are reduced.

Channel autocorrelation in a radio coverage map is described. An apparatus is configured to provide a network node with at least one channel autocorrelation measurement pilot, indicating channel information of a communication channel and location information associated with a UE, based on a configuration associated with the periodic transmission of at least one channel autocorrelation measurement pilot. The apparatus is configured to communicate with the network node based on a channel autocorrelation map associated with the at least one channel autocorrelation measurement pilot indicating the communication channel and the location information associated with the UE.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a discovery signal indicating a synchronization signal block (SSB) burst periodicity of a plurality of SSB burst periodicities. The UE may receive an SSB based at least in part on monitoring a communication channel for a first time period, wherein the first time period corresponds to the SSB burst periodicity. Numerous other aspects are described.

This application, in the network communication field, provides a multi-function SIM card, its allocation method, a card allocation system, and an electronic device. The method includes: receiving a card allocation request from user equipment; determining a target SIM card type via the request's carried identity and first location information; sending first response information containing the target type's first type information and SIM card code number to the equipment. The first type information enables the multi-function SIM card to enter the corresponding target working mode, allowing the equipment to camp on a network through the code number and the mode's communication channel. The application improves SIM card scenario adaptability, service providers, capabilities and optimizes operation costs.

The application provides a positioning method, device, system, electronic equipment and storage medium, and relates to the technical field of communication. The method comprises the following steps: acquiring mobile information of a plurality of wireless local area network hotspots; determining Doppler shift information according to communication channel information between the base station; screening the plurality of wireless local area network hotspots according to the Doppler shift information and the mobile information of the wireless local area network hotspots, and obtaining a plurality of stationary hotspots; and determining the position information of the current device according to the plurality of stationary hotspots. The high-precision positioning requirement of the user is met, the position information of the current device is obtained in time and accurately, and the use experience of the user is improved.

An example of a system for review of clinical data includes a medical device configured to receive patient data signals from patient interface devices coupled to the medical device, and an auxiliary device configured to communicatively couple to the medical device via a communication channel and including an output device, a memory, a communication interface, and a processor configured to establish the communication channel, estimate a transmission age for the patient data, receive the patient data from the medical device via the communication channel, determine a patient data age based on at least one of the transmission age and a playback selection age, select a patient data age threshold based on a patient data context, compare the patient data age to the patient data age threshold to determine a patient data age indication, and provide the patient data and the patient data age indication at the output device.

An assembly for use with a battery pack comprising a plurality of battery cells is provided. The assembly enables communication between an electronic device and a radio transceiver located remotely from the electronic device. The assembly comprises: a module antenna operatively connected to the electronic device, the module antenna comprising a first coil and a second coil of an electrical conductor; a bus antenna configured in use to provide a communication channel for the radio transceiver, the bus antenna comprising two transmission lines, each one of the transmission lines being spaced apart from and positioned adjacent to a different one of the first and second coils, to enable near-field coupling between the module antenna and the bus antenna when a transmission signal is input into either the module antenna or the bus antenna; and wherein the arrangement of the two transmission lines relative to the coils is such that an induced current in each transmission line caused by the coupling of each transmission line with its adjacent coil, is substantially the same in magnitude.

Systems and methods are described herein for facilitating the switching of a power transfer direction in wireless power transfer systems. A ground unit comprises: one or more power transfer coils configured for providing wireless power transfer on an inductive power transfer frequency band; one or more positioning coils configured to emit position data suitable for detection, measuring or sensing by, the vehicle; and one or more communication antennas configured to communicate with the vehicle by way of a bidirectional communication channel; wherein the bidirectional communication channel operates on a frequency band which is different to the inductive power transfer frequency band.

The present invention provides an information gathering device, an information gathering server, and an information gathering system that enable the collection of information about events occurring at unspecified locations along the route of a moving object, such as roads, and the provision of such information to the moving object. [Solution] An information gathering device comprising: a passenger status information gathering unit that collects the status of a passenger on a mobile body as passenger status information; a status change detection unit that detects changes in the passenger's status based on the passenger status information and generates status change detection information; an external imaging unit that photographs the outside of the mobile body and generates an image; and an external status information transmission unit that generates external status information including the image in response to the status change detection information and transmits the external status information via a communication channel.

This invention proposed a channel estimation scheme for wireless communication system in high mobility environment. Different from conventional channel estimation schemes only considered the consist geometry information channel, the proposed scheme is developed for a high-resolution system, which is more sensitive to the path change of the signal propagation. A Deep-Learning network first provide a rough prediction, then an improved Least Squares estimation method is adopted for find estimation.

The invention discloses a wireless state synchronization management platform and method for a power supply module and a display module, and relates to the technical field of wireless communication and state synchronization management. The method is suitable for application environments such as intelligent warehousing and automatic guided vehicle (AGV) scheduling which need to supply power to multiple terminal devices and receive state information at the same time. Semantic level classification identification, dynamic priority ranking and a self-adaptive scheduling optimization mechanism are introduced into a reverse communication channel; a basic frame structure of a multi-display module is defined and analyzed; the problem of signal conflict when a plurality of display modules transmit state signals on the same wireless channel is solved, a priority identifier is introduced by enhancing a frame structure, and it is ensured that a power module can preferentially process an emergency charging request and a fault alarm signal in a multi-module environment. And the processing efficiency of high-priority signals is improved through comprehensive weight calculation, so that the performance and reliability of the system in multi-module concurrent communication are improved.

A service scheduling method and apparatus are provided, which relate to the field of communication technologies and are applied to a Wi-Fi network system, to resolve a problem that communication delays of a large amount of service data cannot be ensured when a communication channel in the Wi-Fi network system is limited. An example solution includes: a sending node obtains a waiting delay and a category of each data frame in a plurality of data frames at a current moment, determines a service priority of each data frame based on the category of each data frame, and determines, from the plurality of data frames, a target frame that is preferentially sent at the current moment based on the waiting delay, a preset delay, and the service priority of each data frame; and then the sending node sends the target frame to a receiving node at the current moment.

A method for attesting a mobile terminal for implementing a payment application on the mobile terminal. The mobile terminal is configured to communicate with a server. The method is implemented by the mobile terminal and includes: issuing to the server a request to establish a trusted communication channel; receiving an attestation request from the server, the attestation request being randomly selected by the server from a predetermined subset of a plurality of attestation requests, the attestation request defining a list of characteristics of the mobile terminal; collecting a list of values for the mobile terminal, a value of the list of values corresponding to a characteristic of the list of characteristics of the mobile terminal transmitted by the server; and transmitting to the server the list of values, the trusted communication channel being established by the server according to the list of values.

The present invention discloses a transmission method based on transmission blockage through cooperative interference in millimeter wave V2X network, and is related to the field of signal processing technology, which includes: construct a V2X network scenario; deploy an array antenna at the communication nodes of the V2X network scenario whose communication channel is a millimeter wave channel, model the millimeter wave channel, and obtain a millimeter wave blockage model; use a maximum average power association strategy to obtain the base stations connected to the legitimate receiving vehicles; obtain the idle users that meet a first condition based on the millimeter wave blockage model, and employ a stochastic process to obtain a first idle user set; obtain the idle users that meet a second condition in the first idle user set, and employ a stochastic process to obtain a second idle user set; obtain a theoretical expression of a security performance of the V2X network based on the millimeter wave blockage model, the first and the second idle user set, and evaluate a security performance of the V2X network. This application can improve the security performance of the network in a more efficient manner.

A method of providing a communication service to a radio frequency identity (RFID) tag reader. The method comprises allocating network slice resources of a telecommunication network for the reader by a controller by sending a first message to a network slice selection function (NSSF) in the network, wherein the controller is an application that executes on a computer system in the network; providing a communication channel between the reader and an enterprise inventory control system via the allocated network slice resources; monitoring messages in the communication channel by the controller; analyzing the messages by the controller; determining by the controller a network slice resource need of the communication channel that differs from a current allocation of network slice resources based on the analyzing; and adapting the communication channel by the controller by sending messages to the NSSF to allocate different network slice resources associated with the communication channel.

The present invention relates to the field of communications, and more particularly to methods and a system for providing high-speed communications on a high-speed railway. The technical result is a better quality communication channel provided by train-to-ground radio relay links. The claimed system for providing high-speed communications on a high-speed railway comprises an internal and an external data exchange network. The internal network unites tail-end radio frequency modules mounted in the rear part of a train and equipped with narrow-band antennae, head-end radio frequency modules mounted in the front part of the train and equipped with narrow-band antennae, and switching equipment capable of processing signals from said modules and of providing network devices connected to said equipment with access to the external data exchange network. The external data exchange network unites base stations equipped with narrow-band antennae, said base stations being capable of establishing communication with the tail-end and head-end radio frequency modules in the train and being arranged in proximity to the railway clearance along the path of travel of the train. The antennae of the base stations and of the radio frequency modules in the train are configured to radiate radio waves in a short millimeter wave band.

The present disclosure is directed to providing a battery management apparatus and method, which may shorten a transmission time of a plurality of response information by flexibly selecting a communication channel. According to an aspect of the present disclosure, transmission efficiency for a plurality of response information may be improved because a communication channel may be flexibly selected according to a data amount of response information to be transmitted. In addition, according to an aspect of the present disclosure, there is an advantage that a communication channel may be flexibly selected according to a state of each of a plurality of communication channels as well as the data amount of response information.

The invention relates to the technical field of petroleum and natural gas exploration and development, and discloses a communication equipment access and resource scheduling method and related equipment based on logging application, and the method comprises the steps: obtaining the position of communication equipment; establishing a channel between the communication equipment and the satellite backhaul equipment according to the acquired position of the communication equipment; constructing a communication equipment access and resource scheduling model; and according to the channel state between the communication equipment and the satellite return equipment at the current moment and the request content information of the communication equipment, resource scheduling is carried out on ground network resources through a communication equipment access and resource scheduling model, and an optimal resource scheduling decision of the logging field communication equipment is output. According to the invention, a more stable and efficient communication channel can be established, and it is ensured that data of a logging site can be accurately and rapidly transmitted to a satellite return device. The established communication equipment access and resource scheduling model can intelligently allocate network resources according to the channel state and the content request information, thereby reducing the delay and error of data transmission.

Systems and methods for detecting attacks on optical communication channels are presented. Techniques can include transmitting, from a sender to a receiver and through an optical communication channel, an optical signal, where the optical signal includes a classical optical signal representing first information and a quantum optical signal representing second information. Techniques can include detecting, by the receiver, third information from at least a portion of the quantum optical signal, and transmitting, by the receiver to the sender, the third information. Techniques can include determining, by the sender, an indication of an attack on the optical communication channel based on the second information and at least a portion of the third information. Techniques can include triggering an alarm based on the determination.

Provided is wireless communication method, apparatus and system, and a device. The method comprises receiving, by a wireless end device, first audio data transmitted by a wireless headset, in a first time slot through a first wireless communication channel therebetween; receiving task operation data input by each input device, in a corresponding time slot through a wireless communication channel therebetween, where the corresponding time slot is different from the first time slot; and executing at least one corresponding operation based on at least one of the first audio data and the task operation data. According to the present disclosure, various tasks including the game task are implemented in a wireless communication environment, and the first audio data and task operation data are received in different time slots during the execution of the tasks, such that the overall communication latency can be rather small.

This application discloses a heterogeneous communication system, method, and device for power systems, belonging to the field of wireless communication technology. The system includes: multiple power devices, each including a WiFi module, and at least one gateway device among the power devices; the gateway device is used to cyclically switch between a first target channel and a second target channel according to a target time ratio, with a first target duration as the period; wherein, when switching to the first target channel, at least a communication connection is established with a router; the first target channel and the second target channel are different communication channels in the same frequency band; and non-gateway devices among the power devices are used to communicate with the gateway device at least through the second target channel. This application reduces the purchase, deployment, and maintenance costs of additional hardware in combined communication schemes by enabling the gateway device to cyclically switch between two different target channels in the same frequency band with a set period and time ratio, thereby reducing the communication costs of the power system.

The application discloses a kind of based on interference perception prediction and time slot allocation's isomer domain network interference management method and system, belong to wireless communication technical field, method includes: coordinator in data transmission stage real-time observation current channel interference power, and in non-active period by channel hopping is carried out sparse sampling, update each channel's time slot interference weight and node propagation factor;Establish interference prediction model, predict the average interference intensity of each channel in future several frames;Inter-network game model is constructed, so as to select the communication channel that makes inter-network game model benefit function maximization;According to the prediction result of interference prediction model, local observation and time slot interference weight, obtain the interference power prediction value of each time slot in channel;Based on time slot interference power prediction value and node propagation factor, time slot is allocated for sensor node.The application is applicable to dynamic isomer domain network coexistence interference scene, and inter-network interference can be effectively reduced.

To reduce the burden on medical professionals involved in the admission and treatment of test subjects. [Solution] In the information processing system, a receiving device that communicates with at least one transmitter receives first identification information for identifying the communication channel used by the transmitter when transmitting information to the receiving device, first identification information for identifying the transmitter, and the subject's biological information associated with the transmitter. Second identification information for identifying a communication channel usable by the receiving device and second identification information for identifying a transmitter that can communicate with the receiving device are stored in advance. When the communication channel identified by the first identification information matches the communication channel identified by the second identification information, the receiving device receives biological information from the transmitter. When the transmitter identified by the first identification information matches the transmitter identified by the second identification information, the receiving device determines that biological information has been transmitted from the transmitter for a predetermined time or longer and has been received by the receiving device, and based on this information, the receiving device executes an admission process to start monitoring the subject's biological information.

A wireless monitoring system includes: a wireless sensor, a sensor gateway, a patient transmitter and a nurse transmitter; wherein the wireless sensor includes a pressure sensor, a first wireless transceiver, a BLE tag having a BLE wireless transceiver, a magnetic field sensor and a communication controller; the sensor gateway includes a gateway communication controller, a BLE reader, a second wireless transceiver, a sensor controller, a third wireless transceiver, a fourth wireless transceiver, and a magnetic field generator; the patient transmitter includes a patient BLE tag communicating with the BLE reader; and the nurse transmitter includes a nurse BLE tag communicating with the BLE reader. The wireless monitoring system uses initial wireless communication channel assignment algorithm to improve the stability and reliability of the wireless communication system composed of wireless sensors and wireless monitors.

A power transmitter (101) provides wireless power transmission to a power receiver (105) via a wirelessly inductive power transmission signal. The power transmitter (101) includes a transmitter coil (203) for generating the power transmission signal and a driver (201) for generating a drive signal for this purpose. A communicator (207) communicates with the power receiver (105) via a communication channel that does not use the power transmission signal as a communication carrier. A power loop controller (205) implements a power control loop by adjusting the power level of the power transmission signal in response to a power control error message received from the power receiver (105). A generator (209) introduces a power level change sequence into the power transmission signal, and a validity detector (211) detects data received by the communicator (207) as invalid data for power transmission in response to a comparison of the power level change sequence and the power change request of the power control error message.

An acoustic receiver is provided for receiving acoustic signals from an acoustic communication channel. The acoustic receiver comprises a waveguide; and at least first and second sensors for sensing the acoustic signals, the sensors being in acoustic communication with the waveguide. The first and second sensors are acoustically coupled to the waveguide at respective first and second positions spaced from each other along a length of the waveguide. The length of the waveguide between the first and second positions follows a path that changes direction to thereby limit an extent of the waveguide.

The application discloses a wireless sensor network distributed elastic clock synchronization method based on dynamic weight value updating, and comprises the following steps: step 1, each node of the wireless sensor network sends its current relevant parameter information to all neighbor nodes, and meanwhile, receives the information sent by the neighbor nodes; step 2, a distributed weighted clock synchronization algorithm is designed; step 3, a false data injection (FDI) network attack is identified; step 4, a time-varying reputation value rep is introduced ij (k) dynamically updating the weight value w ij , a security defense mechanism is designed to repair the communication channel disconnected due to the FDI attack, and elastic clock synchronization is realized; and step 5, the above steps 2-4 are repeated until the clock synchronization is finished. The application has good robustness and expandability, can be used for enriching the theory and application of the wireless sensor network clock synchronization, and provides a new idea for realizing clock synchronization.

This invention proposes an apparatus and method for estimating the location of a target terminal in a mobile communication system. Typically, a mobile communication system consists of a base station and terminals. In this invention, one or more location measuring devices are arranged around the target terminal where location measurement is required to measure the transmitted signals of the target terminal, and based on this, the location of the target terminal is accurately measured. In this process, the base station needs to connect a communication channel to the terminal to measure the terminal's location, and a method for this is proposed. In particular, this invention relates to a method for configuring a terminal in a standby state to transmit an uplink. Furthermore, operations and protocols for location measurement of a target terminal are proposed.

An analysis device for analyzing a passenger compartment of a vehicle to detect persons is disclosed. The device has at least one ultra-wideband transceiver configured to transmit a signal (S1) on a wireless communication channel, at least one ultra-wideband transceiver configured to receive a signal (S2) corresponding to the transmitted signal (S1), to compute at least one impulse response (CIR) of the wireless communication channel from said received signal (S2), and to transmit said at least one impulse response (CIR) of the wireless communication channel to an electronic control unit. The electronic control unit is configured to determine biometric features (B) and / or volumetric occupancy features (P) of the passenger compartment on the basis of said at least one impulse response (CIR) of the wireless communication channel.

A method (100) for performing an authentication procedure between a verifying device and a responding device is disclosed, the verifying and responding devices being provisioned with security credentials. The method, performed by the verifying device, comprises generating an authentication challenge (110), delivering the authentication challenge to the responding device (120), receiving an authentication response from the responding device (130), and verifying the authentication response (140). According to the method, at least one of the authentication challenge or authentication response is encoded as a sequence of qubits and delivered over a quantum communication channel between the verifying device and the responding device (120A, 120B, 130A, 130B). Also disclosed are methods for delivering and receiving a message over a quantum communication channel, and devices for performing authentication and message exchange methods.