168 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.

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.

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.

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 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 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.

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.

Apparatuses, methods, and systems are disclosed for relocating an access gateway during UE registration. An apparatus (600) includes an interface (640) that communicates with a remote unit and with a plurality of network functions in a mobile communication network. The apparatus (600) includes a processor (605) that initiates (705) registration of the remote unit with the mobile communication network and receives (710), while the registration is ongoing, a relocation command from an AMF, the relocation command containing an address of a first TNGF and a first security key. If connection with the first TNGF is supported, the processor (605) sends (720) a first request to the first TNGF, the first request containing a remote unit identity and an AMF identity. However, if connection with the first TNGF is not supported, the processor (605) sends (725) a relocation reject message to the AMF.

The present disclosure relates to the field of communications, and provides a single-feeder four-stream coverage system based on passive frequency conversion, an energy consumption control method, and a medium. The system comprises a power controller, a first radio remote unit (RRU), a second RRU, three-port multi-frequency combiners, couplers, two-port multi-frequency combiners, and passive frequency conversion antennas, wherein the first RRU is used for outputting signals having data information, and the power controller is used for controlling signal output power of the first RRU; the three-port multi-frequency combiners are used for combining signals transmitted by three channels, the couplers are used for equally dividing received signals; and the passive frequency conversion antennas are used for outputting, to the outside, combined signals sent by the two-port multi-frequency combiners. According to the present disclosure, by means of the components above, four channels of signals generated by the first RRU and the second RRU are transmitted to the passive frequency conversion antennas, that is, a four-stream coverage effect can be achieved by means of a single-feeder distribution system.

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.

Apparatus, methods, and systems are disclosed for supporting remote unit reauthentication. One apparatus (700) includes a network interface (740) that receives (905) a first authentication message for reauthenticating a remote unit and a processor (705) that validates (910) a first domain name. The first domain name identifies a key management domain name and an associated gateway function that holds a reauthentication security context. Here, the first authentication message includes a NAI that includes a first username and the first domain name. The processor (705) verifies (915) the first authentication message using at least the first username and generates (920) a second authentication message in response to successfully verifying the first authentication message. Via the network interface (740), the processor (705) responds (925) to the first authentication message by sending the second authentication message.

A distributed radio system has one or more distributed radio processors that processes analog RF signals from a plurality of legacy base station transceivers (BTSs) as well as packetized digital mid-haul data (such as 7.2× data packets) from one or more baseband units. The system digitizes the RF signals and provides baseband frequency offsets to the I / Q time domain data processed from the digital mid-haul data such that each incoming signal is assigned a unique carrier baseband frequency offset so that none of the signals interferes with another. The digital signals are summed and transmitted to one or more remote units. For the uplink, the process is reversed. A supervisor module provides the offset frequencies to the relevant digital baseband signals.

The application discloses a kind of multi-system uplink bottom noise interference suppression method and device of indoor distribution system.Method for execution in remote unit and extension unit, the following steps are executed in remote unit: S101, receive the downlink signal sent by extension unit;S102, coupling downlink signal to synchronization module, and detecting and analyzing downlink signal, obtain downlink signal strength, operator information and cell ID;S103, downlink signal strength, operator information and cell ID are reported to extension unit;S104, accept the gain adjustment instruction sent by extension unit;S105, receive the gain adjustment instruction, and adjust link gain by variable gain module in uplink and downlink.The application accurately reduces uplink bottom noise and will not cause influence to other system uplink index, realizes multi-system uplink bottom noise interference suppression, and digital signal processing workload is small, and hardware design difficulty is low.

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.

One embodiment is directed to a system to provide wireless coverage for a plurality of cells. The system comprises a virtualized headend and a plurality of remote units. The system is configured to operate as a distributed antenna system (DAS) when serving at least one of the cells. The plurality of remote units is configured to communicate with the virtualized headend using a switched Ethernet network. The virtualized headend is configured to communicate downlink user-plane data including frequency-domain IQ data and downlink control-plane data for a first cell served by at least one open radio access network (O-RAN) distributed unit (DU) to at least some of the remote units used to serve the first cell. At least some physical layer baseband processing for a wireless interface used to serve the first cell is performed by the virtualized headend or the remote units used to serve the first cell.

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.