236 results about "Remote unit" patented technology

Methods and apparatuses for SRS sequence generating are disclosed. A method comprises at a remote unit comprises receiving a configuration for an SRS resource with comb size (KTC) 2 or 4 or 8 and a partial frequency sounding with PF being equal to 1 or 2 or 4; and transmitting the SRS resource with a SRS sequence length no less than the number of applicable CS values.

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.

A method and a remote unit are disclosed. According to one embodiment, a method at a remote unit, comprises: receiving resource pool usage restriction(s) from a base unit, determining whether parameter(s) associated with a service to be transmitted fulfils the resource pool usage restriction(s), selecting a resource pool corresponding to the resource pool usage restriction if the parameter(s) associated with the service fulfills the resource pool usage restriction, and transmitting data for the service on the selected resource pool.

Methods, a remote unit and abase unit are disclosed. According to one embodiment, a method at abase unit, comprising: transmitting, to a remote unit, multiple power control parameters for physical uplink control channel (PUCCH) by higher layers signaling; and transmitting, to the remote unit, a transmit power control (TPC) command with downlink control information (DCI) format 2_2 scrambled by transmit power control-physical uplink control channel-radio network temporary identity (TPC-PUCCH-RNTI), wherein the power control parameters include more than 8 P0 values and more than 4 pathloss reference signals (PL-RSs).

A fail-safe automatic mains-electricity cutoff system and method for automatic disconnection from a mains service drop in the event of mains power outage or instability, and automatic reconnection after restoration of stable mains power, with indications of operational status through a unit display, an indicator light, and an RF communication link to a remote unit. A unit enclosure having a unit door and a ground bus houses the fail-safe automatic mains-electricity cutoff system which is installed on the mains service drop, below the electrical meter and above the main breaker panel or main service disconnect switch. Low-voltage DC power for system operation is supplied through a battery unit. Disconnection and connection to mains power is effected through a switching unit providing a mains-voltage sensor, a fail-safe switch and a fail-safe switch actuator. A premises-voltage sensor and current sensor can also be provided in embodiments. A controller controls operation of the fail-safe automatic mains-electricity cutoff system based on real-time measurements and programmed operational parameters, and records and reports system status and measurements.

The invention belongs to the technical field of aircraft system design, and particularly relates to a remote interface unit position and interface allocation optimization method based on multiple constraints. The aircraft remote unit installation position and interface allocation optimization method comprises the following steps: defining external conditions at least comprising sensor and actuator position arrangement, remote interface unit interface type and number determination and an installation prohibition area; remote loads are eliminated, and adverse effects of individual remote loads on global optimization are prevented; randomly initializing the RIU position; and the RIU position is subjected to rolling optimization until the average distance of two continuous rounds of remote interface unit position changes is smaller than a threshold value, and a final optimization result is output. According to the method, under the condition of considering multiple constraints, the installation position and the interface distribution of the remote interface unit are optimized by taking the shortest length of the cable of the whole system as a target. After the length of the cable is reduced, the acquisition precision of the sensor is improved, and the weight of the aircraft cable is reduced.

The invention relates to a mounting device for mounting a radio remote unit (2) to a base station antenna (1) and to a base station antenna system formed thereby. The mounting device comprises a support base (6) configured for mounting to the base station antenna and for supporting the radio remote unit, a support element configured for mounting to the radio remote unit and movable in the mounted state together with the radio remote unit between a first position in which the support element is lifted from the support base and a second position in which the support element is supported on the support base, a plug-in structure comprising a plug-in element and a socket element, one of the plug-in element and the socket element being configured for mounting to the base station antenna and the other of the plug-in element and the socket element being configured for mounting to the radio remote unit, the plug-in element and the socket element being separated from each other in the first position and being engaged with each other in the second position.

The invention provides an RRU selection method, and relates to the technical field of communication. According to the specific implementation scheme, first information corresponding to each radio remote unit RRU is determined, and the first information comprises peak power and / or time advance TA; and determining a target RRU group according to the first information corresponding to each RRU, the RRU in the target RRU group being an RRU selectable by the user equipment. Therefore, by determining the peak power and / or the time advance of each RRU, the user equipment can be helped to select the optimal RRU for connection in the moving process, so that better coverage and communication quality are realized. The user equipment can intelligently select the optimal RRU so as to ensure stable communication and good user experience. Therefore, by determining the target RRU group, the user equipment can perform intelligent RRU selection and switching according to the collected RRU information, thereby improving communication efficiency, reducing interference and optimizing user experience.

Methods, a remote unit and a base unit are disclosed. According to one embodiment, a method at a remote nit, comprising: receiving, from a base unit, a first signaling for configuring a plurality of subbands for transmitting uplink data; performing a first channel access procedure on each of the plurality of subbands and obtaining a channel occupancy time (COT) on a first set of subbands, wherein the first set of subbands comprises one or more subbands of the plurality of subbands with the first channel access procedures being successful; and transmitting, to the base unit, the uplink data on the first set of subbands within the COT; and transmitting, to the base unit, uplink control information (UCI) associated to the uplink data, wherein the UCI includes a first indicator indicating the first set of subbands.

Apparatuses, methods, and systems are disclosed for determining remote unit behavior parameters. One method includes receiving a message including parameters associated with an application in a remote unit. The method includes determining a first set of parameters including a first portion of the parameters, wherein each parameter of the first set of parameters corresponds to a remote unit behavior. The method includes determining a second set of parameters including a second portion of the parameters, wherein each parameter of the second set of parameters corresponds to a service behavior. The method includes associating the second set of parameters with a data network name, a single network slice selection assistance information, or a combination thereof.

A base station includes at least one memory and at least one processor coupled with the at least one memory. The at least one processor is configured to cause the base station to configure one or more PUCCH groups for a remote unit by higher layer signaling. The one or more PUCCH groups each contain one or more PUCCH resources. The at least one processor is also configured to cause the base station to configure one or more control resource set (CORESET) groups for the remote unit by higher layer signaling. Each CORESET of a same CORESET group is configured with a same higher layer signaling. Each of the PUCCH groups is associated with one of the CORESET groups.

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.

One or more computer readable media including instructions, wherein execution of the instructions by processor circuitry of a distributed unit, DU, of a disaggregated radio access network, RAN, is to cause the processor circuitry to: determine a boundary representative of a number of consecutive physical resource blocks and a number of consecutive OFDM symbols not exceeding a slot boundary; instruct the DU to send information representing the boundary to a radio unit, RU, of the disaggregated RAN; and perform a channel estimation based on a demodulation reference signal, DMRS, received from the RU via a fronthaul interface within the boundary.

Apparatuses, methods, and systems are disclosed for indicating a network for a remote unit. One method includes transmitting a first message including a first registration request from a remote unit. The first message includes a discovery indication indicating that the remote unit is attempting to discover a network configured for use by the remote unit. The method includes receiving a second message including a list of networks configured for use by the remote unit. The second message is received in response to transmitting the first message. The method includes transmitting a third message including a second registration request from the remote unit. The second registration request includes an indication of a network selected from the list of networks configured for use by the remote unit.

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.

To provide a distributed antenna system with an increased operational flexibility, with eliminating constraints regarding shared use of infrastructure.SOLUTION: According to an embodiment, a distributed antenna system includes a master unit, and a remote unit having an antenna capable of covering a first band and a second band neighboring to the first band. The master unit includes a base station connection part, a slave station connection part, a detection part, and an operation control part. The base station connection part is capable being connected to a first base station to which a first band is allocated and a second base station to which a second band is allocated. The slave station connection part is capable being connected to the remote unit. The detection part detects a downlink signal in the first band. The operation control part allows an operation configuration in which a time division multiplexing pattern in the second band and a time division multiplexing pattern in the first band are different, in a period in which loss of the downlink signal in the first band is detected from the output of the detection part.SELECTED DRAWING: Figure 3

The disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). Embodiments herein disclose methods and systems for performing efficient Hybrid Automatic Repeat Request (HARQ) decoding in Centralized-Radio Access Networks (C-RAN) systems, based on a decoding status predicted at a Remote Unit (RU) in a wireless network. Embodiments herein disclose a 1-bit feedback mechanism from the RU to a Distributed Unit (DU) to improve the power efficiency of operations at the DU. The RU predicts if a data packet received in the uplink from a UE is decodable or not, using an Effective SINR (ESINR) approach and intimates the same to the DU using a 1-bit feedback. The DU proceeds with the channel decoding operation based on the indication received.

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.

A communication system includes remote units to exchange RF signals with mobile devices, at least some of the RF signals comprising information destined for, or originating from, a mobile device. The communication system also includes at least one controller or controller resource communicatively coupled to an external network and configured to assign airlink resources to the user equipment. The at least one controller or controller resource is separated from the remote units by an intermediate network comprising a switched Ethernet network over which data corresponding to the information is carried between the at least one controller or controller resource and the remote units. Two or more of the remote units are configured to belong to the same communication cell. The at least one controller or controller resource is configured to assign two or more of the user equipment in the same communication cell to simultaneously use a same airlink resource.

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.

The invention relates to the technical field of air cooling control, and discloses a remote intelligent air cooling control system and method.The system comprises a remote unit, a serial port unit, a server unit, an upper monitoring unit and a frequency conversion unit, the remote unit communicates with the serial port unit by adopting a first network protocol, the serial port unit is configured to convert the first network protocol into a second network protocol, and the server unit is configured to adopt the second network protocol, read a target signal by adopting control logic configuration and send the target signal to the upper monitoring unit; the upper monitoring unit is configured to monitor a pressure signal of a heat power measuring point, convert the pressure signal into an air cooling back pressure value and determine a target back pressure value based on a back pressure compensation factor, and the frequency conversion unit is configured to obtain a control signal and determine a frequency conversion mode. The system has the characteristics of good remote communication and dynamic adjustment of the motor state.

The present application provides a separation judgment method, device, and storage medium, which relate to the field of communication technology and are used to solve the technical problem of low efficiency of existing separation judgment methods. The separation judgment method includes: obtaining the propagation delay from the indoor baseband processing unit (BBU) of the base station corresponding to the target cell to each radio remote unit (RRU) of the base station, and determining the optical fiber length from the BBU to each RRU based on the propagation delay; when the optical fiber length is less than a preset length, obtaining multiple measurement report (MR) data sets of the target cell; an MR data set includes multiple MR data within an area of ​​the target cell; for the multiple MR data sets, clustering the multiple MR data included in each MR data set to obtain multiple cluster center points corresponding to the multiple MR data sets; a cluster center point is used to represent the position of a radio remote unit (RRU) of the base station; obtaining the position of the BBU; and determining whether the multiple RRUs and the BBU are deployed separately based on the positions of the multiple RRUs and the position of the BBU.

The present invention provides a data transmission method, device and network node. The data transmission method comprises: when the current transmission subframe is an uplink subframe, obtaining the amount of data required to be transmitted in the current transmission subframe; sending a first data packet; wherein the first data packet includes the amount of data. Using this method, the radio remote unit (RRU) obtains the amount of data required to be transmitted in the uplink subframe before sending uplink data in the uplink subframe, and reports the amount of data to the ONU, so that the ONU can pre-determine the uplink data transmission bandwidth based on the reported amount of data, thereby avoiding the need to determine the uplink data transmission bandwidth after receiving the uplink data, resulting in a longer PON bandwidth time and the problem of network data transmission delay.

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 invention discloses a message transmission method and device, a base station, core network equipment and a storage medium. The method comprises the following steps: a base station receives a data packet; a first message is generated by using the received data packet, the first message comprises first information and user information, and the first information is used for uniquely identifying a first radio remote unit (RRU) of the base station; and sending the first message.

The utility model relates to the technical field of base station controllers, and discloses a mining industrial grade 5G base station controller, which comprises an explosion-proof shell, a baseband processing module, a transformer and a switch module, the baseband processing module, the transformer and the switch module are arranged in the explosion-proof shell, a first part interface of the baseband processing module is connected with the switch module through an optical fiber, and the switch module is connected with an optical fiber quick plug interface. The first part of interface of the baseband processing module is connected with an optical fiber quick-plug interface, the optical fiber quick-plug interface is externally connected with an industrial ring network through an optical cable, a second part of interface of the baseband processing module is connected with the optical fiber quick-plug interface, and the optical fiber quick-plug interface is externally connected with a radio frequency far-end unit through an optical cable; the power supply input port of the transformer is connected with the power supply quick-plug interface through a power line, so that external AC power supply is accessed, laying and welding of a large number of optical cables are avoided, and construction and networking costs are saved.

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.

The utility model relates to the technical field of train wireless communication, in particular to GSM-R network coverage remote processing equipment, which comprises a base station, a radio frequency switch controller, a remote network management control system and a far-end machine, the far-end machine is electrically connected with a bridge and a power divider b, the radio frequency switch controller and a COM end are electrically connected with a combiner, and the combiner is electrically connected with a power divider b. The combiner is electrically connected with the base station, the NO end of the radio frequency switch controller is electrically connected with the bridge, the radio frequency switch controller can be connected with an existing system in an optimal scheme on the premise of not sacrificing the functions and performance of the existing system, the coverage switching of the base station and the digital optical fiber repeater is completed in a manual or automatic mode, and the coverage switching efficiency is greatly improved. According to the method, the network coverage about 1km near the station is preferentially ensured, the traffic safety is ensured, when the network coverage fails, the network coverage can be ensured to be recovered to be normal within the shortest time (completion within 1s), and the normal coverage of the network is not influenced when professionals go to the scene for processing.