43 results about "Down link" patented technology

A disclosure of this specification provides a method for performance measurement of SDF (service data flow), performed by SMF (Session Management Function), the device comprising: receiving a QoS (Quality of Service) rule from a SMF (Session Management Function); performing measurement of performance of a target QoS flow for the SDF, with a UPF (User Plane Function), wherein based on a reflective QoS being not used for the SDF, the QoS rule includes downlink QoS information on the target QoS flow, wherein the target QoS flow is a QoS flow used by the UE to receive a downlink packet for the SDF.

To provide a method for transmitting an uplink reference signal for receiving and measuring a positioning configuration.SOLUTION: In wireless communication, a user equipment (UE) receives a positioning configuration, the positioning configuration including at least an identifier of a first downlink reference signal from a neighboring cell to be used for estimating a downlink path loss or determining an uplink spatial transmit beam (810), determines that a first downlink reference signal received from the neighboring cell cannot be used for estimating the downlink path loss or determining the uplink spatial transmit beam (820), in response to the determination, estimates the downlink path loss or determines the uplink spatial transmit beam based on a second downlink reference signal received from the neighboring cell or a serving cell for the UE (830), and transmits an uplink reference signal for positioning based on the estimated downlink path loss, the determined uplink spatial transmit beam, or a combination thereof (840).SELECTED DRAWING: Figure 8

User equipment (UE) in beam-centric telecommunications cell may use a variety of listen-before-talk (LBT) procedures and hybrid channel access procedures for uplink transmissions are on different beams and configured or scheduled in contiguous or non-contiguous mode. UE behavior may be based on the LBT result across the different beams. A gNB may indicate LBT occasions to UEs. The UL numerology may be adjusted without LBT while near the end of a gNB's maximum channel occupancy time (MCOT). A gNB may use LBT procedures, before down link transmissions, using data, control, and reference signals, etc., across different beams.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and an apparatus for performing a hybrid automatic repeat request (HARQ) operation are provided. The method includes receiving downlink signals, wherein the downlink signals include a physical downlink control channel (PDCCH) that does not schedule a physical downlink shared channel (PDSCH) reception, and / or one or more multicast PDSCHs, and generating a HARQ-ACK codebook for the downlink signals. The invention can improve communication efficiency.

User equipment (UE) in beam-centric telecommunications cell may use a variety of listen-before-talk (LBT) procedures and hybrid channel access procedures for uplink transmissions are on different beams and configured or scheduled in contiguous or non-contiguous mode. UE behavior may be based on the LBT result across the different beams. A gNB may indicate LBT occasions to UEs. The UL numerology may be adjusted without LBT while near the end of a gNB's maximum channel occupancy time (MCOT). A gNB may use LBT procedures, before down link transmissions, using data, control, and reference signals, etc., across different beams.

Systems, apparatuses, and methods for efficient power management of a multi-node computing system are disclosed. A computing system includes multiple nodes that receive tasks to process. The nodes include a processor, local memory, a power controller, and multiple link interfaces for transferring messages with other nodes across links. Using a distributed approach for power management, negotiation for powering down components of the computing system occurs without performing a centralized system-wide power down. Each node is able to power down its links, its processor and other components regardless of whether other components of the computing system are still active or powered up. A link interface initiates power down of a link with delay or without delay based on a prediction of whether a link idle condition leads to the link interface remaining idle for at least a target idle threshold period of time.

The invention discloses a remote sensing satellite spread spectrum data transmission broadcast uplink and downlink closed-loop test method and system. The method comprises the following steps: generating an instruction sequence for operating on-board equipment; generating content data required by the uplink data; according to a satellite uplink data protocol, jointly packaging an instruction sequence for operating on-board equipment and content data required by uplink data into an uplink baseband data block; processing the uplink baseband data block into a radio frequency signal, and sending the radio frequency signal to a satellite data transmission broadcast uplink receiving device; the satellite data transmission broadcast uplink receiving equipment re-analyzes the radio frequency signal into baseband data, executes the baseband data according to an instruction in the baseband data, stores and forwards or directly forwards required content data, and processes the required content data into the radio frequency signal; the satellite data transmission broadcast downlink sending device sends the radio frequency signal to the ground; re-analyzing the radio frequency signal into baseband data, performing analysis and extraction, and re-extracting content data; and comparing the required content data in the uplink data with the content data extracted and analyzed in the downlink to obtain a content correctness test report.

Embodiments of the present disclosure relate to a Control Plane System (CPS) of a Radio Access Network (RAN) node. The CPS is configured to detect a Protocol Data Unit (PDU) session established between a User Equipment (UE) and a data network and generate a session establishment request, based on the detection. The session establishment request comprises a first information element (IE) to create a Packet Detection Rule (PDR) to classify one or more IP packets received from a data network addressed to the UE as Down Link (DL) packets and a second IE to create a plurality of Forward Action corresponding to the PDR to route the DL packets from a User Plane System (UPS) to the UE through a Data Radio Bearer. The CPS is further configured to transmit the session establishment request to the UPS to facilitate the UPS to route the downlink packets to the UE through the DRB.

Simplified communication between user equipment and a neighboring cell not the primary cell is achieved by restricting the transmission parameters, such as bandwidth, of the neighboring cell transmission and provision of a simplified secondary baseband processor in the user equipment.

An embodiment of the present application provides a downlink transmission method and apparatus. According to the method provided in the present application, a control device determines a serving radio frequency device of a terminal device configured to receive the target downlink data, and sends indication information to an extension device, where the indication information indicates a radio frequency device configured to convey the target downlink data, and the radio frequency device configured to convey the target downlink data is the serving radio frequency device of the terminal device configured to receive the target downlink data. The extension device can transmit the target downlink data to the radio frequency device configured to convey the target downlink data based on the indication information, or the extension device sends an instruction to the radio frequency device configured to convey the target downlink data to instruct it to transmit the target downlink data, and / or sends an instruction to the radio frequency device not configured to convey the target downlink data to instruct it not to transmit the target downlink data. This helps to realize that the radio frequency device not configured to convey the target downlink data does not transmit the target downlink data, so that invalid transmission is avoided.

The embodiments of this specification provide a control method and device for data uplink, and a control method and device for data downlink, wherein a control method for data uplink includes: receiving a control request sent by an SDK integrated by a client of an accessing party; the control request carries a data identifier for writing target data to a data channel of a target product; in response to the control request, performing a write permission check on the data channel for the accessing party; if the check passes, generating an encryption key based on a root key of the data channel and the data identifier and returning the key to the SDK, so as to encrypt the target data using the encryption key and upload the obtained encrypted data to the blockchain.

A substrate transfer device capable of reducing adhesion of dust to a substrate is provided. A substrate transfer device (1) according to an embodiment includes: a transfer arm (2) for transferring a substrate; a support post (32) fixedly erected on a base (31); an upper link (33) having one end supporting the transfer arm (2) and rotatably coupled to the support post (32) and raising and lowering the transfer arm (2) as it rotates; a lower link (34) rotatably coupled to a position below the coupling portion of the upper link (33) in the support post (32) about an axis parallel to the axis of rotation of the upper link (33); a connecting link (35) rotatably coupled to the upper link (33) and the lower link (34) in such a manner that the upper link (33) rotates as the lower link (34) rotates; and a drive unit (4) that rotates the lower link (34).

Devices, networks, systems, methods, and processes for determining a dynamic bias associated with a network device are described herein. A communication network may include multiple network devices and multiple links between the network devices. The communication network may further include a controller that monitors the communication network to determine dynamic changes in a network topology of the communication network. The controller determines the dynamic bias associated with the network device based on the dynamic changes. The controller generates and transmits a control signal based on the dynamic bias. The network device receives the control signal and switches an operation state of the network device, or an operation state of the links connected to the network device, based on the control signal. The controller can thereby achieve reduction in power consumption of the communication network by switching off the network device without affecting reliability and availability of the communication network.

The present disclosure relates to a CPRI ring network communication fault self-healing method and system, the method comprising: in a CPRI ring network link having an EU and several RUs, defining the CPRI ring network link as having a normal state, a reverse state and a transition state; during the operation of the CPRI ring network link, the main optical port of the EU sends downlink data and first configuration data to the RU directly connected thereto, and the auxiliary optical port sends downlink data and second configuration data to the RU directly connected thereto; detecting the states of the uplink port and downlink port of the RU in real time, and controlling the CPRI ring network link to switch states according to the states of the uplink port and downlink port, and when the CPRI ring network link switches to the normal state or the reverse state, delay compensation is performed on each RU according to the switched target state, the topology ID of the RU, the forward delay compensation information and the reverse delay compensation information. The system is used to execute the above method. The present disclosure has the advantages of fast data conversion speed, efficient delay compensation and stable state switching.

Systems and methods for beam management for near-field communications are disclosed. In one embodiment, a method performed by a device comprises receiving, from a network node, a first downlink reference signal configuration and an associated report configuration, performing measurements on first downlink reference signals transmitted by the network node, determining a preferred beam of the network node based on the measurements, and transmitting, to the network node, a first report indicating the preferred beam. The method further comprises performing measurements on second downlink reference signals transmitted by the network node in the same direction as the preferred beam wherein the second downlink reference signals have different optimum received powers at different distances from the network node, determining a preferred near-field precoder based on the measurements performed on the second downlink reference signals, and transmitting, to the network node, a second report indicating the preferred near-field precoder.

Energy chain (1), in particular for a system for cable guidance with two carriage bodies (41, 42) pivotably coupled about a vertical axis, comprising a plurality of pivotably connected chain links (3, 4) which form two parallel and spaced-apart link strands which, with connecting webs extending between parallel chain links, form at least one receiving space (8) for cables (9) and / or conductors, characterized in that the chain links (3, 4) form a first upper and a second parallel lower link strand, and that the chain links (3, 4) in an intended installation situation of the energy chain (1) are each designed to pivot about a vertical axis (Z) extending perpendicular to an approximately horizontal guide plane in two pivoting directions, in the same direction and in opposite directions.

Provided are a method and an apparatus for decoding a downlink control information (DCI) format that schedules a physical uplink shared channel (PUSCH) transmission, includes a field indicating whether data information is multiplexed in the PUSCH, and is used to transmit the PUSCH with or without data information depending on the indication of the field.

Simplified communication between user equipment and a neighboring cell not the primary cell is achieved by restricting the transmission parameters, such as bandwidth, of the neighboring cell transmission and provision of a simplified secondary baseband processor in the user equipment.

Various applications are described for a mobile communication device that are applied to sub-band full duplex (sub-band full duplex; the channel state information-reference signal (channel state information-reference signal) of the SBFD is used for channel state information-reference signal (channel state information-reference signal) of the SBFD; the invention relates to a solution for CSI-RS resource configuration. The device may receive a CSI-RS resource configuration and an SBFD configuration from a network node. The CSI-RS resource configuration comprises a plurality of resource blocks (resource blocks; rB) within a time slot, and the SBFD configuration includes a downlink (down link; dL) sub-bands and an uplink (uplink; uL) sub-bands. The device may determine that at least one of the RBs is outside of the DL subband. The device may determine that a resource configuration is invalid in accordance with a determination that at least one of the RBs is outside of the DL subband.

The communication network comprises an SDN network and an edge gateway, the SDN network forwards a request of a terminal to the edge gateway, and if the request is an uplink request, the edge gateway carries out decryption, compression and aggregation processing on the uplink request, carries out compliance evaluation and then sends the uplink request to a cloud block chain; and if the request is a downlink request, the edge gateway returns the downlink request to the terminal. According to the method, the end-edge-chain hierarchical efficient communication network with the software-defined edge gateway as the core is constructed, stable and reliable data uplink is achieved, and the method has the advantages of being low in time delay, high in throughput, self-adaptive and capable of being supervised.

A base station (BS) supporting a protocol stack may implement a method for improving network efficiency. The method includes sending (202) a group identity of a group of two or more UEs including a first UE to at least a first user equipment (UE). The method further includes using the group identity to generate (302) a data signal including aggregated downlink data by processing hardware of the base station. The aggregated downlink data includes (i) UE-specific identities of at least two target UEs within the group; and (ii) for each of the at least two target UEs, a corresponding UE-specific identity at an upper layer of the protocol stack, the corresponding UE-specific identity indicating a location within the aggregated downlink data of UE-specific downlink data intended for the target UE. The method further includes sending (306) a data signal to at least a portion of the group via a downlink data channel.

Techniques and apparatus for providing hybrid automatic repeat request (HARQ) feedback for multiple physical downlink shared channel (PDSCH) transmissions are described. One example technique involves receiving downlink control information (DCI) scheduling a plurality of downlink data transmissions across a plurality of slots. The plurality of downlink data transmissions are monitored across the plurality of slots. At least one HARQ feedback scheme for acknowledging the plurality of downlink data transmissions is determined. HARQ feedback for the plurality of downlink data transmissions is provided in accordance with the at least one HARQ feedback scheme.

Disclosed are methods, controllers, and computer-readable media that explicitly label data packets and interfaces as trusted or untrusted. The data packet labeling can occur at a centralized security hub or at the enforcement site itself, i.e., at the interface to the trusted or untrusted region. The packet can be labeled with metadata associated with the packet, and that label can be carried through the transport of the packet to avoid overbroad or unnecessary security procedures. Further, a network administrator can designate certain links as trusted or untrusted so that packets designated as trusted can be sent down trusted links, and untrusted traffic can be sent down untrusted links. Network resources are saved while traffic is better separated and allocated down links with trustworthiness that is congruent with that of the packet.

A base station selects a subset of at least one geographically separated antennas for each of the plurality of user equipments. The base station forms at least layer of data stream including modulated symbols, precodes the data stream via multiplication with the NT-by-N precoding matrix where N is the number of said layers and NT is the number of transmit antenna elements and transmits the precoded layers of data stream to the user equipment via the selected geographically separated antennas. The base station signals the subset of the plurality of geographically separated antennas via higher layer Radio Resource Control or via a down link grant mechanism. The base station optionally does not signal the subset of the plurality of geographically separated antennas to the corresponding mobile user equipment.

A method for estimating up-link latency, and / or down-link latency, and / or round-trip latency in a packet based wireless network for communication between two network nodes, wherein the method includes:a. measuring one or more metrics and / or using information from network procedures to estimate metrics, wherein the metrics have at least one or more of radio metrics available to a UE (User Equipment) or to a BS (Base Station) or similar access-point,b. measuring the metrics defined in a) either in a dedicated mode using packet sequence, and / or in a dedicated mode using available traffic, and / or in an idle mode,c. measuring the metrics defined in a) both on a serving and a non-serving cells, and / or beams,d. estimating up-link latency, and / or down-link latency, and / or round-trip latency by using multivariable, non-linear or linear function prediction, machine learning based prediction or mathematical or logical predictions based on the metrics defined in a).

A data transmission method includes: determining one or more listening frequency bands within an unlicensed frequency range; and determining the frequency band type of at least one listening frequency band in the one or more listening frequency bands, the frequency band type including at least one of an uplink listening frequency band, a downlink listening frequency band, or an undefined listening frequency band, the downlink listening frequency band being used for downlink transmission, the uplink listening frequency band being used for uplink transmission, and the undefined listening frequency band being used for either uplink transmission or downlink transmission.

The present application discloses an entity for computing a diagonal loading factor of a weight matrix that is used for interference rejection down link precoding in an area comprising M tot user equipments (UEs), each comprising at least one antenna. The entity comprises K antennas. The entity is configured to wirelessly receive, during a pilot interval, via a channel from M active UEs of the Mtot UEs M pilot sequences of Tp symbols. The entity is configured to compute the diagonal loading factor by solving an equation for the diagonal loading factor. The equation comprises a monotonic function of a likelihood ratio of a regularized (Tp-M) x (Tp-M) matrix, and the monotonic function of the likelihood ratio equals an average value of the monotonic function of the likelihood ratio comprising as input a Kx (Tp-M) matrix of independent Gaussian variables with zero mean and unit power.

The invention discloses a data encryption system, which is applied to the field of legal data security, and comprises a data encryption service platform, a block chain node and a supervision system, the platform communicates with the latter two and provides a password service, a configuration key management module, an encryption strategy module and an authorization auditing module, and the modules are in data interaction linkage. The key management module constructs a three-level dispersion mechanism through a data root key, a service mother key and a case ID, dynamically generates a case independent key, and associates the case ID with authorization information, a data protection strategy and a key storage platform. And the encryption strategy module calls a case key, carries out point-to-point encryption on the structured data, carries out secondary encryption, stores the encrypted structured data in the block chain, carries out end-to-end encryption on the unstructured data of the audition certificate, stores the encrypted unstructured data in the platform in a distributed manner, and associates the two types of data through a ciphertext index and allows a supervision system to download the two types of data. And the authorization auditing module controls data downlink decryption. The legal case data security can be guaranteed.

According to the technical scheme, the M-Bus bus technology, a communication polling mechanism and a communication module identification circuit are adopted in the terminal, all functional modules are connected together, a two-wire system positive electrode and a two-wire system negative electrode do not need to be distinguished, the function expansion capacity of the whole system is enhanced, and the system reliability is improved. The types and the number of functional modules can be expanded according to actual requirements, storage, processing and statistics of electric energy original data of important gateways such as a transformer substation and a power plant are achieved, and finally the data can be transmitted to different electric energy management master stations through multiple communication channels such as Ethernet and 4G. According to the power station electric energy acquisition terminal, high-efficiency operation of acquisition capability, operation speed and uplink and downlink speed of the system is ensured, the problems of poor function expansion capability, poor acquisition capability and insufficient operation speed are solved, and the reliability, stability and accuracy of the power station electric energy acquisition terminal and the marketing analysis and management level of power enterprises are further improved.

A kind of cable tank suitable for automatic haulage device of coal mining machine, including cable tank tank body and being arranged in the first support piece, second support piece of cable tank tank body, the middle part of the side wall of cable tank tank body is provided with mounting hole, the bottom of cable tank tank body is provided with limiting hole, the lower end of first support piece is inserted into limiting hole, the side of first support piece is located in mounting hole, first support piece and the side wall of cable tank tank body and the bottom of cable tank tank body form lower chain channel passage, second support piece includes upper chain channel passage, the lower part of one side of upper chain channel passage is provided with limiting block, limiting block is embedded into mounting hole, the lower end of limiting block is connected with first support piece;The present application forms vertically arranged upper chain channel passage and lower chain channel passage using the one side wall in the first support piece, second support piece in cable tank tank body, solve the disadvantage that the height of cable tank is increased in the actual use process of horizontal chain channel arrangement towed cable cable tank, avoid the limitation to coal mining height.