780 results about "Channel use" patented technology

A method is provided by which a subscriber accesses an SDV channel using a set top terminal. The method begins when the set top terminal receives a user request to tune to a first SDV channel. An active services list is also received over an access network. The active services list includes an entry for each currently available SDV program and a time-to-live (TTL) associated therewith. Tuning information is identified for the first SDV channel from its entry in the active services list. The set top terminal tunes to the first SDV channel using the identified tuning information. The channel change information associated with the user request is locally stored in set top terminal for transmission over the access network at a later time.

Systems, methods, and instrumentalities are disclosed herein for pre-processing for channel state information (CSI) compression in wireless system. A WTRU may receive configuration information that indicates a reference signal and a data processing model for channel state information (CSI) compression. The WTRU may determine CSI associated with a channel using the reference signal. The WTRU may determine a channel condition associated with pre-processing. The WTRU may select a pre-processing type from a plurality of pre-processing types based on the data processing model and the determined channel condition associated with pre-processing. The WTRU may pre-process the CSI associated with the channel based on the selected pre-processing type. The WTRU may generate compressed CSI by compressing the pre-processed CSI using the data processing model for CSI compression. The WTRU may send the compressed CSI to a network.

The invention relates to the technical field of logistics management, in particular to a logistics transportation management method and system based on multi-source data fusion, and the method comprises the following steps: monitoring the vehicle transportation duration in real time, calculating a congestion point, judging a coincidence time period in combination with predicted replenishment time, and generating a rhythm window; and matching the storage delivery time and sorting to generate a path segment code, fitting a path to screen a vehicle binding label, sending an instruction to monitor the path consistency, and generating a scheduling result. According to the invention, transportation time is monitored in real time, congestion points are generated, a rhythm window is dynamically generated in combination with replenishment task time, path segment coding is carried out on a picking sequence, channel use and shipping time, vehicle resources are screened based on path fitting and a path label is bound, and distribution consistency is monitored in real time to generate a scheduling instruction. Multi-dimensional data are analyzed in a unified mode and driven in a time sequence mode, intervention is reduced, efficiency is improved, path coding matching tracks are combined with congestion adjustment to avoid conflicts and redundancy, and the response period is shortened.

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may receive a message scheduling transmission, by the UE, of uplink control information (UCI) in a physical uplink control channel (PUCCH) resource. The UE may receive an indication that the UE is scheduled to transmit the UCI in the PUCCH resource to both a first transmission-reception point (TRP) and a second TRP. The UE may also receive a first set of uplink power control parameters for transmitting the UCI to the first TRP and a second set of uplink power control parameters for transmitting the UCI to the second TRP. The UE may transmit the UCI to the first TRP and to the second TRP in the PUCCH resource, based on the first set and the second set of uplink power control parameters, and without an uplink control channel beam indication.

An apparatus includes at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: train a machine learning model to learn a configuration matrix that defines a reconfigurable intelligent surface; configure the reconfigurable intelligent surface for channel estimation during runtime, using the learned configuration matrix; perform channel estimation on an uplink channel using the reconfigurable intelligent surface; and reconfigure the reconfigurable intelligent surface after the channel estimation to improve coverage within the uplink channel.

The invention discloses a network security protection method, system and device, and a medium, particularly relates to the technical field of network information security, and is used for solving the problem that the attack of constructing a covert channel by using a time interval is difficult to find in time in the prior art. Through sliding window segmentation and multi-granularity time standardization, extracting multi-scale time sequence characteristics of network traffic; classifying time sequence modes by using a bidirectional long short-term memory network, and separating normal protocol traffic from covert channel behaviors; further constructing a cross-scale causal transfer graph through symbolization discrete mapping, and combining continuous coherence analysis to quantify the traffic topology stability to form a multi-dimensional anomaly criterion to improve the detection precision; aiming at covert channel confrontation requirements, dynamic random delay parameters are generated based on Poisson distribution, a target data stream is injected, channel time synchronism is destroyed, a protocol baseline template is updated adaptively, and it is ensured that traffic after interference still conforms to protocol statistical characteristics.

A terminal according to an aspect of the present disclosure includes a control section that performs at least one of a use of more than eight DMRS ports for a demodulation reference signal (DMRS) configuration type 1 and a use of more than 12 DMRS ports for a DMRS configuration type 2, and a transmitting section that transmits DMRSs for a physical uplink control channel using the DMRS ports. According to an aspect of the present disclosure, the suitable number of DMRS ports can be used.

A communication device (12) transmits signaling (20) indicating that the communication device (12) is capable of demodulating a data channel (16) using a demodulation reference signal (18) scheduled without a scheduling restriction on a number of resource elements, resource blocks, or resource block groups to which the demodulation reference signal (18) is mapped, e.g., the scheduling restriction restricts the number of resource elements, resource blocks, or resource block groups to which the demodulation reference signal (18) is mapped to being a multiple of a length of a frequency-domain orthogonal cover code applied to the demodulation reference signal (18). Depending on whether the communication device (12) is so capable, the demodulation reference signal (18) is scheduled with or without applying the scheduling restriction.

An apparatus (and / or method) for training machine-learning model to make determinations from mismatched channel signals, wherein the apparatus includes a processor and memory communicatively connected to the processor. The memory containing instructions configuring the processor to receive a first set of signals using a first number of channels, process the first set of signals to simulate a second set of signals from a second number of channels, train a signal conversion model using the first set of signals and the second set of signals, and output a set of converted signals having the first number of channels using the third set of signals and the trained signal conversion model.

Disclosed is a method for allocating resources for the low power backscatter devices in a sparse environment with a beamspace channel model in a symbiotic radio system. In other words, the method provides an adaptive power allocation mechanism to enhance the power of the beams incident on the backscatter devices for signal detection at the receiver in the beamspace channel model.

The embodiment of the invention provides a synchronization method, a synchronization device, electronic equipment and a storage medium. The synchronization method comprises the following steps: aiming at a thread bundle comprising a plurality of threads, distributing a synchronization channel for a first instruction; the first instruction and the second instruction are synchronized based on the synchronization channels, a dependency relationship exists between the first instruction and the second instruction, the thread bundle corresponds to a plurality of synchronization channel groups, each synchronization channel group comprises at least one synchronization channel, and different synchronization channel groups correspond to different types of instructions. The synchronization method uses a synchronization channel mechanism based on an instruction type to realize synchronization of instructions in the thread bundle, effectively realizes decoupling of synchronization channels used by different types of instructions, and expands the number of synchronization channels, thereby improving the processing capability of the thread bundle for a workload, and improving the processing efficiency of the thread bundle. And challenges brought by continuously increasing workloads in the thread bundle can be effectively handled.

The embodiment of the invention provides a message processing method and device, and the method comprises the steps that an interconnection network receives a first request message and a first response message initiated by a first processing unit, and the first request message is sent to a second processing unit by the first processing unit; the first response message is initiated after the first processing unit processes a second request message initiated by the second processing unit, distributing a first sending side virtual channel for the first request message, and distributing a second sending side virtual channel for the first response message, the first sending side virtual channel and the second sending side virtual channel perform time division multiplexing on the physical channel according to a period; the first request message and the first response message are processed through the first sending side virtual channel and the second sending side virtual channel respectively, so that the problem of protocol level deadlock caused by loop dependence in the related technology can be solved, different types of messages can pass through different virtual channels, the dependency relationship between the messages in the cache region is completely relieved, and the message transmission efficiency is improved. And the occurrence of protocol level deadlock is avoided.

The present disclosure provides communication apparatus and communication method for enhanced direct link communication. A communication apparatus is configured to communicate wirelessly with an access point (AP) on a first channel, the communication apparatus comprising: circuitry, which, in operation, generates a channel use permission request frame, the channel use permission request frame comprising information indicating the communication apparatus, another communication apparatus and a second channel that is different from the first channel; a transmitter, which, in operation, transmits the generated channel use permission request frame to the AP to seek permission from the AP to use the second channel for direct link communication with the another communication apparatus; and a receiver, which, in operation, receives a channel use permission response frame from the AP permitting use of the second channel, wherein the communication apparatus is further configured to communicate with the another communication apparatus on a direct link in the second channel after receiving the channel use permission response frame.

The invention relates to the technical field of industrial internet, and particularly provides an industrial internet data encryption transmission method, system and device and a storage medium, and the method comprises the steps: building a plurality of encryption transmission channels between an industrial device and a superior terminal; continuously monitoring a network environment of an encryption transmission channel adopted between the industrial equipment and a superior terminal, wherein the network environment comprises a network quality quantized value, an encryption component capability quantized value and a compliance requirement quantized value; determining an optimal encryption transmission channel according to the network environment, and switching an encryption transmission channel adopted between industrial equipment and a superior terminal into the optimal encryption transmission channel; and acquiring flow fluctuation before and after the encrypted transmission channel is switched, and compensating the flow fluctuation by generating pseudo flow. The real-time performance and the safety of industrial data transmission can be met at the same time, and the data safety is further improved through flow management and control.

The invention discloses a communication method, device and system and a storage medium, relates to the technical field of communication, and can ensure that all non-AP stations compete for a new TXOP at the same time after the TXOP is finished, and keep medium synchronization. The method comprises the following steps: a non-AP station obtains switching time indication information, and switches from a first channel to a second channel comprising a main 20MHz channel based on the switching time indication information. Wherein the first channel and the second channel are not overlapped, and the switching time is not later than the first time. The first moment is the latest moment when the non-AP station is switched from the first channel to the second channel. The first channel comprises one or more 20MHz channels used for communication between the non-AP station and the AP station in the current TXOP.

Systems and methods for two-step random access procedure are described. According to embodiments, a user equipment (UE) transmits a random access preamble on a random access channel. The UE also transmits data on an uplink data channel using a particular uplink data channel resource. The particular uplink data channel resource is selected by the UE based on the random access preamble.

To perform channel monitoring, a user equipment monitors (1104) a physical downlink control channel (PDCCH) using a radio network temporary identifier (RNTI), during a small data transmission (SDT) procedure and when the UE operates in an inactive state (1102). The UE transitions from the inactive state to a connected state in response to a command from a radio access network (RAN) (1110); and monitors (1110) the downlink control channel using the RNTI after the transitioning, when the UE operates in the connected state.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transmitter device may transmit, to each receiver device of a plurality of receiver devices communicating with the transmitter device over a wideband channel using frequency division multiplexing, an indication of a bandwidth portion of the wideband channel to be used by the receiver device for performing measurements associated with a non-linear model of the transmitter device. The transmitter device may transmit, to each receiver device of the plurality of receiver devices, one or more wideband reference signals associated with training the non-linear model. The transmitter device may receive a plurality of digital pre-distortion (DPD) coefficients, obtain a set of DPD coefficients based at least in part on combining the plurality of DPD coefficients, and perform DPD processing in accordance with the set of DPD coefficients. Numerous other aspects are described.

The present invention relates to a system and method for audio, video and data communication using the human body or any other medium as a channel using techniques which benefits from the presence of the human body or the medium. The system comprises a transmitter and a receiver that communicate with each other by utilizing the properties of the human body to enhance signal strength and data rate. The frequencies used for communication may range from 0.1-200 MHz and may employ a variety of modulation schemes, including pulse-based, spread-spectrum, time-domain, and amplitude, phase, and frequency modulation. The communication may be digital or analog and may use single or multi-bit / symbol modulation. The system provides for efficient, secure, and reliable communication that does not require line-of-sight transmission or the use of traditional communication channels. The system finds applications in various fields, including, but not limited to healthcare, military, and entertainment industries.

Embodiments of the present disclosure disclose a Base Station (BS)-Distributed Unit (DU) (102). The BS-DU (102) is configured to transmit a Channel State Information Reference Signal (CSI-RS) and a Physical Resource Block (PRB) group size to a User Equipment (UE) (104), wherein the UE (104) performs CSI prediction of a wireless channel between the UE (104) and the BS-DU (102) using the PRB group size, receive a ground truth CSI-RS periodically from the UE (104), determine values of one or more channel selectivity parameters of the wireless channel, based on the received ground truth CSI-RS from the UE (104),determine an updated PRB group size, based on the values of the one or more channel selectivity parameters, and transmit the updated PRB group size to the UE (104), wherein the UE (104) performs the CSI prediction of the wireless channel using the updated PRB group size.

The invention discloses an anti-quantum computing communication implementation method and system and computer equipment. The method comprises the steps that a PQC channel is established with a front-end server, the PQC channel outputs a first master key through a post-quantum algorithm, the first master key derives a second master key, and the second master key is sent to a target server; sending the first key negotiation information to a front-end server; receiving second key negotiation information sent from the front-end server, decrypting the second key negotiation information by using a second master key, and calculating to obtain a session key; and the client realizes encrypted communication with the target server by using the session key. Compared with the prior art, the method has the advantages that the PQC channel protected by the post-quantum algorithm is firstly established between the client and the front-end server, and then the security channel is used for protecting a plurality of classical security channels established between the client and different target servers, so that the attack of a quantum computer can be effectively resisted.

Methods, devices, and techniques herein relate to determining directions in a GAN potential space and obtaining unwrapping control of GAN output semantics, e.g., to be able to generate composite images using these methods, devices, and techniques, such as for training another model or creating augmented reality. In accordance with an embodiment, the methods, devices, and techniques herein utilize a gradient direction of an auxiliary network to control semantics in GAN potential code. It has been shown that a minimum amount of labeled data with a sample size of as small as 60 can be used, and these data can be quickly obtained under manual supervision. It is also shown herein, according to embodiments, to select important potential code channels using masks during manipulation, thereby achieving more unwrapping control.

In an example implementation, a computer-implemented method includes determining resources available to execute a job and determining a location of each resource and a connected topology of the resources. For each of a combination of the available resources, bandwidth information related to channels to move data to the resources to execute the job is determined. The bandwidth information considers the location of data to be used to execute the job and the channels between the resources. The job is assigned to a resource or a combination of resources using a scheduling algorithm that takes into account the bandwidth information and power considerations.

A communication apparatus is configured to communicate wirelessly with an access point (AP) on a first channel, the communication apparatus comprising: circuitry, which, in operation, generates a channel use permission request frame, the channel use permission request frame comprising information indicating the communication apparatus, another communication apparatus and a second channel that is different from the first channel; a transmitter, which, in operation, transmits the generated channel use permission request frame to the AP to seek permission from the AP to use the second channel for direct link communication with the another communication apparatus; and a receiver, which, in operation, receives a channel use permission response frame from the AP permitting use of the second channel, wherein the communication apparatus is further configured to communicate with the another communication apparatus on a direct link in the second channel after receiving the channel use permission response frame.

Methods, systems, and devices for wireless communication at a user equipment (UE) are described. A UE may establish communication with a set of transmission reception points including a first transmission reception point and a second transmission reception point. The UE may receive a single control message including one or more respective timing advance indications for uplink channel transmissions to one or more respective transmission reception points. In some examples, each timing advance indication may identify a respective transmission reception point using a respective timing advance value. The UE may determine a first timing advance value for the uplink channel transmissions based on the one or more respective timing advance indications identifying a respective transmission reception point. The UE may then transmit, to the first transmission reception point, an uplink channel transmission over an uplink channel using the first timing advance value determined for the first transmission reception point.

A method performed by a user equipment (UE) for dynamically allocating data transmission resources in a massive multiple input multiple output (MEMO) system is disclosed. The UE receives from a network node at least one initial channel state information reference signal (CSI-RS) resource set comprising at least an initial number of ports. A sounding reference signal (SRS) is transmitted to the network node. The network node transmits to the UE a dynamically allocated number of CSI-RS ports, or alternatively, a trigger state for a predefined CSI-RS resource set and a beamformed CSI-RS. The UE computes one or more parameters corresponding to channel state information (CSI) from the beamformed CSI-RS. A CSI report comprising the one or more parameters is transmitted to the network node. The UE then receives user data over a data traffic channel using the dynamically allocated number of CSI-RS ports, or alternatively the pre-defined CSI-RS resource set.

The invention provides a media negotiation method, device and system, which can be applied to the technical field of IMS (IP Multimedia Subsystem) conversation, and the method can comprise the following steps: a frame layer sends first SDP (Service Description Protocol) proposal information containing first media description information to a second communication device through an IMS network element, the first media description information is description information about media resources of a first data channel proposed by a first application, the first data channel is a channel used for transmitting application data generated or consumed by the first application, and the framework layer and the first application both run in a first communication device; the framework layer receives first SDP response information containing second media description information from a second communication device through the IMS network element, wherein the second media description information is a response to the first media description information; and the framework layer sends the second media description information to the first application. According to the scheme, the media negotiation service of the data channel can be provided for the IMS DC application.

One embodiment provides a computer system. The computer system includes a plurality of processing units, a plurality of memory channels, and an arrayed waveguide grating router (AWGR). A respective processing unit is coupled to an array of tunable optical transceivers. A respective memory channel is coupled to a plurality of memory banks. Each memory bank is associated with a unique optical wavelength and can be accessed via the corresponding wavelength. Each memory channel is coupled to an individual output port of the AWGR, and the tunable optical transceivers of each processing unit are respectively coupled to different input ports of the AWGR, thereby allowing each processing unit to communicate with any memory bank associated with any memory channel using an appropriate tunable optical transceiver tuned to the corresponding optical wavelength associated with the memory bank.