97 results about "Remote unit" patented technology

Methods, systems, and devices for wireless communications are described. A remote unit (RU) may transmit, to a distributed unit (DU), an indication of a skew time parameter associated with providing compensated samples for a plurality of symbols associated with a slot. The RU may store a set of samples associated with a first subset of the plurality of symbols associated with the slot, the storing based on a processing delay associated with receiving demodulation reference signals during a portion of the first subset of the plurality of symbols associated with the slot. The RU may transmit, to the DU, a burst of compensated samples for the plurality of symbols in a transmission window that is offset in time from a beginning symbol of the slot according to the skew time parameter.

Apparatuses, methods, and systems are disclosed for selecting an authentication type in a 5G network. One apparatus includes a processor and a network interface that receives a first message requesting to register a remote unit to the mobile communication network, where the remote unit is connected to a non-3GPP access network and the remote unit does not support the NAS protocol. The processor determines an authentication request type for the remote unit, where the authentication request type is not based on the NAS protocol. The processor creates a NAS registration message on behalf of the remote unit and sends a second message to an access management function in the mobile communication network, where the second message contains the NAS registration message and the determined authentication request type.

The embodiment of the present application provides a kind of intermodulation correction method and device, it is applied to distributed base station, the distributed base station includes convergence unit and radio frequency remote unit, convergence unit includes first processing unit, transmitting end, receiving hybrid unit, the method includes: first processing unit receives first correction signal, first correction signal is transmission signal, or, first correction signal is the signal received from receiving channel, first intermodulation interference signal is obtained by the receiving hybrid unit to the second intermodulation interference signal received from radio frequency remote unit and is hybrid;First processing unit carries out nonlinear cancellation to first correction signal and exports second correction signal, second correction signal is used to subtract or add with first intermodulation interference signal or send to receiving channel, receiving channel sends the signal to first processing signal, i.e. first correction signal for next cycle.The method and device provided in the application can effectively reduce processing cost and save resources.

1. The name of the design product: communication repeater (digital tile level repeater remote unit). 2. The use of the design product: for wireless signal relay, through the retransmission or forwarding of signals, to expand the distance of network transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention discloses a simple, multifunctional, integrated 5G analog fronthaul in-band full-duplex communication method for remote units (RUs). This method primarily relates to the fields of optical communication technology and microwave technology. The system structure of the method, as shown in Figure 1 of the specification, includes a laser, downlink vector signal, electrical local oscillator signal, downlink interference signal, target signal, reference signal, 90° electrical coupler, dual-polarization quadrature phase-shift keying modulator, phase modulator, single-mode fiber, optical coupler, polarization beamsplitter, polarization beam combiner, polarization controller, polarizer, and photodetector. The remote unit (RU) uses a single phase (PM) modulator to achieve self-interference cancellation (SIC) combined with anti-fiber dispersion transmission and down-conversion, eliminating the need for bias control and additional local oscillator (LO) branches, resulting in a simple structure. At the central office (CO), the carried downlink signal and local oscillator signal are single-sideband modulated to achieve anti-fiber dispersion transmission. The RU uses wavelength reuse technology to perform PM cascaded down-conversion on the signal received from the uplink, and the SIC is moved from the RU to the CO to simplify the RU. The entire link has no optical filter and is reconfigurable.

The application discloses a method and system for accurate identification and cooperative enhancement of multiple RRUs in an extended base station, the method comprising: determining an identification strategy by a network side according to a deployment scenario of a radio remote unit, a protocol support capability of a terminal and a target performance requirement; the identification strategy is used to determine an identification mode of a downlink signal; configuring a distinctive downlink reference signal or a downlink reference signal transmission feature for different radio remote units according to the identification strategy; measuring a downlink reference signal from the different radio remote units by a terminal and reporting a measurement result; determining an association relationship between the terminal and the multiple radio remote units based on the measurement result by the network side and identifying a multiple radio remote unit downlink signal. The application solves the problems of high-precision positioning difficulty and limited cooperative transmission performance caused by indistinguishable signals of multiple RRUs in the same cell in the prior art.

This application relates to the field of communication equipment technology, and in particular to a radio frequency remote unit and a distributed base station system. The radio frequency remote unit includes a control element, a heating element, a first power supply, and a temperature controller. The heating element is attached to the surface of the control element, and the heating element, the temperature controller, and the first power supply are connected in series. By avoiding the control element being in a low-temperature environment, the normal operation of the radio frequency remote unit is ensured, and the communication service quality of the communication base station at low temperatures is improved.

The present disclosure relates to central units and remote units. One example central unit includes at least one digital-to-analog converter (DAC), at least one first electro-optical converter configured to convert an analog electrical signal output by the DAC into an analog optical signal, at least one first optical processor configured to process the analog optical signal output by the first electro-optical converter, where the first optical processor includes at least one of at least one first optical filter, at least one first optical phase shifter, and at least one first optical power amplifier, a first multiplexer configured to combine analog optical signals output by the first optical processor into one analog optical signal, and a first demultiplexer configured to decompose the one analog optical signal into multiple analog optical signals at different wavelengths.

1. The name of the design product: RRU radio remote unit. 2. The use of the design product: applied to base station communication, mobile communication, network communication and other industries. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The embodiment of the application discloses a positioning method for a digital indoor system. The positioning method comprises the following steps: a radio frequency exchange unit receives a first message sent by a first radio frequency remote unit through a first module; the radio frequency exchange unit receives a second message sent by a second radio frequency remote unit through a second module; the radio frequency exchange unit receives a third message sent by a third radio frequency remote unit through a third module; and the radio frequency exchange unit receives a fourth message sent by a fourth radio frequency remote unit through a fourth module. In the embodiment of the application, the positioning signals sent by multiple radio frequency remote units can be received at the same time, and the positioning precision of a terminal is improved.

The invention discloses an automatic control method based on receiving gain in a feed link, which relates to the technical field of satellite communication, is applied to an intermediate frequency remote unit, and comprises the following steps: acquiring a downlink receiving gain control packet issued by a baseband processing unit, and analyzing a gain value required to be adjusted from the downlink receiving gain control packet; if the gain value obtained through analysis is different from the gain value obtained last time, the current temperature of the intermediate frequency remote unit is obtained; obtaining a gain compensation value according to the current temperature look-up table, and calculating a theoretical gain value; looking up a table according to the theoretical gain value to obtain an attenuation parameter of the digital step attenuator, writing the attenuation parameter into the digital step attenuator, looking up the table to obtain a corresponding gain value, and calculating a real gain value; and returning the real gain value to the baseband processing unit to form closed-loop verification of gain control. According to the invention, through temperature compensation and a closed loop verification mechanism, automatic and accurate adjustment of the receiving gain is realized, and the stability and accuracy of gain control in a satellite communication link are effectively improved.

The application discloses a distributed digital coverage system, comprising an access unit, an extension unit MEU and a remote unit; the access unit comprises a TDD radio frequency signal processing subsystem, an FDD radio frequency signal processing subsystem, a multi-channel radio frequency transceiver subsystem, an FPGA processing subsystem, a signal coupler, a signal feature analysis and / or time domain synchronization module and an MCU core master control module. The technical scheme of the application does not blindly amplify the signals of the whole bandwidth, and does not require any prior information, and can detect and analyze the signal system, frequency band, frequency point, bandwidth and carrier number feature information of the signal actually working in real time and adaptively.

The invention provides a communication device, a communication method, an electronic device, a medium and a product, and relates to the technical field of wireless communication. The communication equipment comprises a radio remote unit and an antenna unit, the remote radio unit comprises M radio frequency channels, the antenna unit comprises M radio frequency ports correspondingly connected with the M radio frequency channels, and M is a positive integer; the antenna unit is configured to receive M paths of radio frequency signals from M radio frequency channels through M radio frequency ports; forming a first beam cluster pointing to a low-altitude area and a second beam cluster pointing to a ground area based on the M paths of radio frequency signals; the first beam cluster is spatially isolated from the second beam cluster. According to the communication equipment, the air-ground cooperative coverage capability is improved, the joint requirements of low-altitude and ground users on services such as communication and perception can be considered on the basis of not depending on hardware with higher channel number, and the communication equipment is suitable for 3.5 GHz 8TR equipment deployed in a current network.

The invention relates to the technical field of information transmission, and provides a multi-frequency multi-mode information transmission method and system based on an expanded-skin base station, and the method comprises the steps: constructing an RCG; configuring and binding a BBU end cell and an RCG at the BBU end, and configuring and binding the RCG and a corresponding pRRU end at the DAU end; wherein each pRRU end can be added with a plurality of RCGs, and the pRRU end supports multi-frequency multi-mode information concurrence; based on the RCG association result and the topological information of the pRRU end, channel selection from the BBU end to the pRRU end is carried out; opening a transmission link from the BBU end to the DAU end; a transmission link from the DAU end to the pH UB end and a transmission link from the pH UB end to the corresponding pRRU end are opened; opening a radio frequency channel of a carrier corresponding to the pRRU end, completing link break-through and starting cell service, and realizing transmission of multi-frequency and multi-mode information; according to the method, the problems of resource conflict and management interference caused by limited frequency bands and modes supported by the far-end unit and sharing of the baseband unit in the existing co-construction and sharing base station can be solved.

Apparatuses, methods, and systems are disclosed for providing subscription data for an external subscriber. One apparatus includes a processor and a network interface that receives a registration request message from a remote unit and receives a subscription retrieval information. Here, the registration request message contains an external subscriber identifier and the subscription retrieval information is different than the external subscriber identifier of the remote unit. The processor controls the network interface to transmit to a network function in a mobile communication network a first request for subscription data retrieval using the subscription retrieval information and receive a response message from the network function that contains the UE subscription data. Here, the subscription retrieval information indicates that the subscription data is stored in a subscription owner outside the mobile communication network.

In each remote unit (300, 400), the operation mode setting unit (301, 401) sets the operation mode based on the user's operation, the connection combination determination unit (302, 402) determines the connection combination between the basic unit and the additional unit based on the set operation mode, and the unit information notification unit (303, 403) notifies the unit information containing the connection combination information. In the master station (100), the IP address assignment unit (122) assigns IP addresses to each remote unit (300, 400) based on the unit information and network structure information obtained by the unit information acquisition unit (121), and the message transmission and reception determination unit (124) determines the form of the information transmitted and received by the master station (100) based on the network structure information updated by the network structure information update unit (123).

The present disclosure provides a system and method for monitoring the cognitive state of a patient based on eye image data. The patient monitoring system including a camera unit configured for recording images of an eye of the patient, and a data processing sub-system in data communication with the camera and being operable to (i) receive and process eye image data from the camera, (ii) classify the eye image data into gestures and identify such gestures indicative of the cognitive state of the patient, and (iii) transmit a signal communicating the cognitive state to a remote unit. The system may further include an actuator module and an output unit wherein the output may be an automated medical questionnaire.

The invention discloses a power amplifier assembly, a remote radio unit, a communication device and a method, the power amplifier assembly comprises a combiner and a plurality of power amplifiers, the output ends of part of the power amplifiers are connected with an isolation port of the combiner, and the power amplifiers are used as main paths of the power amplifier assembly, are constant in load impedance and have good broadband characteristics. And the output ends of the other power amplifiers are connected with the input port of the combiner to serve as auxiliary circuits of the power amplifier assembly. Moreover, the plurality of power amplifiers comprise at least one first power amplifier, a main amplifier, an auxiliary amplifier and a power synthesis assembly are arranged in the first power amplifier, and when the first power amplifier works, due to the arrangement of the main amplifier and the auxiliary amplifier, a plurality of high-efficiency points can appear in succession, so that the rollback amount is increased, and the service life of the power amplifier is prolonged. And the problem of efficiency pits in a large rollback range is solved, and the efficiency of the whole power amplifier assembly is improved.

A system (105) for a wireless communication network (100), wherein the system is configured to exchange data with one or more communication devices (UE) connected to the wireless communication network, the system comprising: a central unit (CU); a distributed unit (DU) communicably coupled to the central unit and configured to allocate time-frequency resources among a plurality of available time-frequency resources and exchange data signals corresponding to the data with the allocated time-frequency resources; and a plurality of remote units (RU) configured to exchange the data signals with the distributed unit and exchange radio frequency signals corresponding to the data signals with the one or more communication devices. The plurality of remote units comprises: a first remote unit (RU1) connected to the distributed unit by a first front-haul link (FH1) having a first front-haul capacity, the first remote unit configured to exchange the data signals with the distributed unit through the first front-haul link; and a second remote unit (RU 2A , RU 2B ), each of the second remote units connected to the first remote unit by a respective second front-haul link (FH 2A , FH 2B ) having a respective second front-haul capacity lower than the first front-haul capacity, the second remote units configured to exchange the data signals with the distributed unit through the first remote unit and the respective second front-haul link.

The utility model provides a water leakage early warning device for magnetic resonance equipment and the magnetic resonance equipment. The water leakage early warning device comprises a water pressure collector and a water cooling system connected to the magnetic resonance equipment, and the water pressure collector is used for collecting a first water pressure signal of the water cooling system; the digital display meter is electrically connected to the water pressure collector and receives the water pressure signal from the water pressure collector, and the digital display meter is configured to display the first water pressure signal and analyze the first water pressure signal into a second water pressure signal; the remote unit is in communication connection with the digital display meter and receives a second water pressure signal from the digital display meter; and the remote terminal is in communication connection with the remote unit and receives the second water pressure signal from the remote unit. The remote terminal can monitor the water pressure of the water cooling system in real time, delay does not exist, and once the water pressure exceeds a normal range, the water pressure can be observed in time, so that remedial measures can be taken as soon as possible.

An information processing system (100) comprises: a remote unit (2) that controls a target device; and a master station (3) that manages the remote unit (2). The remote unit (2) comprises: a buffer memory (25) that includes information pertaining to the device; and a fixed-cycle transmission function unit (23) that allocates, to a fixed address, data of information pertaining to the device included in a specific address of the buffer memory (25), in cyclic data for cyclic transmission that transmits data stored in a predetermined fixed address in a fixed cycle, and transmits the data to the master station (3) in a fixed cycle.

Methods and apparatus for pre-configuring uplink resources are disclosed. A method at a remote unit includes transmitting data in predefined resources based on resource configuration; and receiving a control signal in a first search space, wherein the control signal includes at least one of (1) a response to the data; (2) an updated TA; (3) an updated power; (4) an updated data transmission repeat; (5) a retransmission flag based on dynamic permission or predefined resources; (6) a backoff indication; and (7) a predefined resource release indication.

Provided are an indoor distribution system and a signal transmission method. The system includes an access unit, an extended unit, a first coupling unit, and at least one remote cascaded chain. Each remote cascaded chain includes at least one second coupling unit and at least one remote unit. The at least one second coupling unit in each remote cascaded chain is cascaded, and each remote unit is respectively connected to a corresponding second coupling unit. The first coupling unit transmits a radio-frequency signal transmitted by the extended unit to the second coupling unit. The second coupling unit transmits a radio-frequency signal of input power to the remote unit connected to the second coupling unit according to a coupling value. The remote unit adjusts the power of the radio-frequency signal from the input power to the output target power and output the adjusted radio-frequency signal.

The application provides an industrial gateway device based on WIA-FA and a service method. The device comprises a wireless WIA-FA baseband processing unit, a wireless WIA-FA radio frequency remote unit and a bus hub transmission unit, and a single wireless WIA-FA baseband processing unit is connected with a plurality of wireless WIA-FA radio frequency remote units through the bus hub transmission unit. Clock synchronization is performed between the wireless WIA-FA baseband processing unit and the wireless WIA-FA radio frequency remote unit through a wired mode, and clock synchronization is performed between the wireless WIA-FA radio frequency remote unit and a network node through a wireless mode. The application improves the coverage range of the wireless signal, reduces the cost of the networking device, significantly improves the utilization rate of the device, makes the management of the wireless WIA-FA network more reasonable, and realizes the effective implementation of the domestic wireless network technology and protocol in various application scenarios.

An object of the present disclosure is to provide a remote unit (RU) apparatus that can effectively utilize statistical information of packets generated in a RU apparatus and a distributed unit (DU) apparatus that execute separated functions in a base station. A RU apparatus (10) according to the present disclosure includes: a reception unit (11) that receives a packet from a DU apparatus (20) that executes processing of a higher-level layer than a layer to be executed by the RU apparatus (10) among communication functions of a base station that are divided into a plurality of layers; and a transmission unit (12) that transmits an alarm signal to the DU apparatus (20) or a management apparatus that manages a network when statistical information regarding the received packet satisfies a predetermined criterion.

To implement a fronthaul network of a cloud radio access network (C-RAN).SOLUTION: The C-RAN includes a plurality of remote units (RUs) and a central unit (CU) communicatively coupled to the RUs via a fronthaul network. The CU also transmits, over the fronthaul network, the set of data to the respective subset of remote units by, for each of the set of data, multicasting the set of data to a multicast group that best matches the respective subset of remote units mapped to the set of data if at least one of the multicast groups includes the respective subset of remote units mapped to the set of data.SELECTED DRAWING: Figure 1A

We provide a distributed antenna system for 5G-specific networks, consisting of Access Units and Remote Units, which efficiently utilize specific frequency bands to provide high-quality communication services within buildings or specific locations. [Solution] The distributed antenna system for 5G-specific networks consists of an access unit 1 and a remote unit 5. The access unit 1 uses a frequency band of 4600 to 4900 MHz, and the remote unit 5 is divided into a first type of remote unit 5 that supports a frequency band of 4600 to 4800 MHz and a second type of remote unit 5 that supports a frequency band of 4700 to 4900 MHz. Either the first type or the second type of remote unit 5 is selected and installed depending on the location of the building.

The present invention provides an apparatus, method and system for utilizing commercial cargo containers. The present invention utilizes containers made autonomous by coupling a container with a detachable propulsion system, having a motor and navigation and steering controls, permitting the rapid, controlled, efficient and safe delivery of cargo containers individually by water. Ballast units, deployment systems and control via remote units are also disclosed. The containers, utilizing their inherent buoyancy, can move autonomously according to a preplanned or remote controlled route to a specific location.

Selective distribution and / or reception of wireless communications signals in a non-contiguous wireless distributed communications systems (WDCS) for reducing downlink transmission power and / or uplink noise is disclosed. A non-contiguous WDCS is a WDCS in which the remote units are clustered such that remote units with contiguous coverage areas receive downlink communications signals serviced by different cells to provide non-contiguous cell coverage areas. In one example, the WDCS is configured to selectively distribute, through each remote unit, only downlink communication signals for the cell that are identified as servicing the user equipment (UE) to conserve downlink power. In another example, the WDCS is configured to selectively receive uplink communications signals from remote units that contain user data from UE. Noise and / or interference signals associated with portions of the uplink communications signals that are not selectively received (e.g., blocked) are not combined with the selectively received uplink communications signals, thus reducing uplink noise.