1405 results about "Repeater" patented technology

A repeater device for New Radio (NR) communication, includes a baseband processor that establishes a communication link with a base station and decodes control information that is received from the base station through a control channel. The baseband processor further aligns a timing reference of the repeater device with that of an NR cell frame for an uplink or a downlink time division duplex (TDD) switching, based on the decoded control information. The baseband processor further selects and forms one or more donor beams of RF signals at a donor side of the repeater device and one or more service beams of RF signals at a service side of the repeater device, based on the decoded control information and the aligned timing reference with that of the NR cell frame for the uplink or the downlink TDD switching for communication in an NR frequency band.

A communication system that can control smart repeaters includes: a base station that is applied to a fifth-generation wireless access system; and a smart repeater having a beamforming function and performing relay processing between the base station and a communication terminal or between a communication terminal connected to the base station and another communication terminal. The base station transmits information related to a beam used in the relay processing to the smart repeater, and the smart repeater forms a beam based on the information related to the beam received from the base station and performs the relay processing.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Specifically, the disclosure related to method and apparatus for receiving and transmitting information. A method performed by a network controlled repeater (NCR) in a wireless communication system. The method includes receiving, by an NCR mobile terminal (NCR-MT) from a base station, control information. Further, the method includes determining a first resource based on the control information. Further, the method includes receiving, by the NCR-MT from the base station, a downlink signal on the first resource. Further, the method includes transmitting, by an NCR-amplifier to a user equipment (UE), the downlink signal on a second resource which is delayed in time domain from the first resource.

Apparatus, methods, and computer-readable media for facilitating multiplexing of uplink signals at a repeater are disclosed herein. An example, a method for wireless communication at a repeater, includes obtaining a first uplink signal associated with a UE. The example method also includes providing a first uplink communication including the first uplink signal multiplexed with a second uplink signal, the second uplink signal being associated with an MT component of the repeater. Additionally, the example method includes obtaining a multiplexing configuration based in part on at least one of a phase distortion and a power mismatch associated with the first uplink communication. The example method also includes providing a second uplink communication based in part on the multiplexing configuration, the second uplink communication including a third uplink signal multiplexed with a fourth uplink signal.

The invention discloses a ship-shore safety connection system with efficient communication and safety protection, and particularly relates to the technical field of electric power and data connection of ships and shore bases, which comprises a medium-voltage composite optical fiber shore power cable, a dual-system electrical transmission system, a third-party linkage control center and a layered insulation monitoring module, the medium-voltage composite optical fiber shore power cable adopts a double-layer anti-torsion protective sleeve and an anti-electrostatic shielding layer, a double-system electrical transmission system is integrated with a broadband voltage self-adaptive module and a high-speed optical fiber communication repeater, the system realizes ship-shore potential difference monitoring and redundancy switching through a three-way data link, and a layered insulation monitoring module is used for positioning a fault point in real time. Besides, an environment reinforcing assembly, a multi-stage early warning mechanism and a communication line self-healing function are further arranged, the problems that a traditional system is poor in compatibility, low in communication efficiency and insufficient in safety protection are solved, and the system is suitable for efficient and safe connection between the ship and the shore base.

The invention provides a test method and a test system for a digital optical fiber repeater, an external signal source is not needed, the resource occupation is low, and the independent test of each part of the digital optical fiber repeater is supported, the test method comprises the following steps: a waveform data packet is pre-stored, and the waveform data packet comprises waveform data intercepted from a standard test signal; in response to the test instruction, performing signal reconstruction based on a pre-stored waveform data packet, and generating a test waveform conforming to a communication standard; outputting the test waveform to a radio frequency hardware link of the digital optical fiber repeater, processing the test waveform through the radio frequency hardware link, converting the test waveform into a testable radio frequency signal, and outputting the testable radio frequency signal; and demodulating the output radio frequency signal through the test equipment, and carrying out radio frequency parameter calibration.

Methods, systems, and devices for wireless communications are described. A first device may identify first sidelink communication timing of a first UE and a second sidelink communication timing of a second UE. The first UE and the second UE may be in communication with the first device. The first device may determine a sidelink timing offset to be used by the first device in repeating a sidelink message between the first UE and the second UE. The first device may determine the sidelink timing offset based at on the first sidelink communication timing and the second sidelink communication timing. The first device may repeat the sidelink message between the first UE and the second UE in accordance with the sidelink timing offset.

Embodiments of this disclosure provide an information transmitting method, an information receiving method, a repeater and a network device. The information receiving method includes: receiving by a repeater first indication information for indicating an access link beam, the first indication information including an information field for indicating a beam on an access link and an information field for indicating a time resource; and performing forwarding by using a first backhaul link beam on a first time resource, and / or performing forwarding by using a second backhaul link beam on a second time resource, and / or performing forwarding by using a third backhaul link beam on a third time resource, and / or not performing forwarding on a fourth time resource, by the repeater.

Embodiments of this disclosure provide a forwarding control method, an information transmission method, a repeater and a network device. The repeater includes: a mobile termination configured to perform beam failure detection; and a forwarding entity configured to be turned off / not to perform forwarding in case of beam failure.

Apparatuses and methods for beam management for repeaters. A method for a network-controlled repeater (NCR) includes receiving, by an NCR mobile termination (NCR-MT) entity, first information for a list of spatial domain filters for an access link of an NCR forwarding (NCR-Fwd) entity, second information for a set of spatial relations corresponding to reference signals (RS) for transmission or reception on a control link (C-link) of the NCR-MT entity, and third information indicating an uplink (UL) or downlink (DL) direction for each time domain resource. The method further includes determining an UL time domain resource, a first spatial domain filter, and a second spatial domain filter based on the second information. The method further includes receiving, by the NCR-Fwd entity, a radio frequency (RF) signal on the access link using the first spatial domain filter and transmitting the RF signal on a backhaul link using the second spatial domain filter.

A control method for a network-controlled repeater includes: determining that the repeater transmits a physical random access channel to the base station, in which the physical random access channel is configured to recover a control link between the repeater and the base station; and causing the repeater to cease forwarding a signal between the base station and a user equipment. Causing the repeater to cease forwarding the signal may include causing the repeater to cease forwarding the signal between the base station and the user equipment on all carrier components or selected carrier components.

A repeater device receives a first configuration that associates reference signal (RS) resources and receive / transmit (Rx / Tx) beam pairs configurable at the repeater device for repeating one of: (i) a downlink (DL) radio frequency (RF) signal received on a backhaul link from the base station to a user equipment (UE) over an access link; and (ii) an uplink (UL) RF signal from the UE to the base station. The device: receives a second configuration for measuring and reporting self-interference of a first list of the RS resources; configures the repeater device with Rx / Tx beam pairs identified in the first list of RS resources; measures self-interference received on an Rx beam of first Rx / Tx beam pairs; and generates and forwards, to the base station, a self-interference measurement report comprising a second list of Rx / Tx beam pairs from the first list of Rx / Tx beam pairs that cause self-interference above a threshold value.

The invention relates to the technical field of communication, and discloses a dual-mode communication unit relaying and signal amplifying device, which comprises a signal receiving module comprising an HRF wireless receiving channel and an HPLC power line coupling channel which are independently configured, the working frequency band of the HRF wireless receiving channel is 470-510MHz, the receiving sensitivity is not lower than-120dBm, and the working frequency band of the HPLC power line coupling channel is 470-510MHz; the HPLC coupling channel supports a frequency band of 0.7-12 MHz and has an impedance matching range of 20-200 omega, the two channels alternately scan input signals in a time division multiplexing mode, and the signal processing module is integrated with a digital signal processor and field programmable gate array cooperative processing architecture and is internally provided with a signal type identification circuit. According to the device for relaying and amplifying the signals of the dual-mode communication unit, the HRF signals and the HPLC signals are automatically distinguished through fast Fourier transform spectrum analysis, an HRF wireless receiving channel and an HPLC power line coupling channel are integrated, a repeater is installed in an area where HRF signal transmission is not good, the repeater can process the HRF signals and the HPLC signals at the same time, and the signal transmission efficiency is improved. And real-time receiving and efficient transmission of dual-mode signals are realized.

The utility model relates to a detection system. The detection system comprises a plurality of control hosts; each slave unit comprises at least one slave, the at least one slave comprises a to-be-detected device and / or a detection device for detecting the to-be-detected device, the central repeater is in communication connection with each control host through an SPI communication link, and the central repeater is provided with a plurality of storage modules in one-to-one correspondence with the plurality of control hosts; and the plurality of edge repeaters are respectively in communication connection with the central repeater through SPI communication links, and each edge repeater is respectively connected with all slave machines in one slave machine set through communication interfaces. According to the utility model, signal attenuation and interference in long-distance transmission can be effectively relieved, and the reliable transmission distance of the SPI is expanded; the plurality of control hosts can realize independent and reliable communication with the to-be-detected devices in the different slave units or the detection equipment thereof, and the detection reliability of the to-be-detected devices can be improved.

Aspects of the subject disclosure may include, for example, communicating, with a parent cell of a wireless communications system, beamforming information; receiving, from the parent cell, first parent downlink (DL) communications, wherein the first parent DL communications are associated with first user equipment (UE); transmitting, to the first UE, first repeater DL communications, wherein the first repeater DL communications are based upon the first parent DL communications; receiving, from the first UE, first UE uplink (UL) communications; and transmitting, to the parent cell, first repeater UL communications, wherein the first repeater UL communications are based upon the first UE UL communications; wherein the beamforming information is used to control the transmitting of the first repeater DL communications, the transmitting of the first repeater UL communications, or any combination thereof. Other embodiments are disclosed.

Various aspects of the present disclosure relate to an NCR that receives, from a base station, an indication of a power offset value or a power adjustment value associated with one or more beam indicators. The NCR receives a signal from the base station, and determines whether a beam indicator that is to be applied to forward the signal is included in the one or more beam indicators. The NCR, based on the beam indicator being included in the one or more beam indicators, transmits the signal to a user equipment with the power offset value applied to adjust a reference transmission power, or with the power adjustment value applied to adjust a previous transmission power.

The invention discloses a 5G signal-based repeater signal processing system and method, and belongs to the technical field of communication, and the method comprises the steps: obtaining the signal strength of a 5G signal received by a repeater, a transmission distance target value, a topographic sign value of a transmission destination, weather data of a transmission link, and state data of a signal transmission candidate frequency band; generating a signal transmission loss value according to the transmission distance target value of the 5G signal received by the repeater, the topographic sign value of the transmission destination and the weather data of the transmission link; generating a final gain demand prediction value of the 5G signal according to the signal transmission loss value and the signal strength of the 5G signal received by the repeater, and judging whether the 5G signal transmission needs frequency band switching; according to the state data of the signal transmission candidate frequency band, generating an optimal candidate frequency band, and processing the 5G signal; according to the invention, the gain compensation precision is improved, dynamic frequency band switching can be realized, the signal processing accuracy of the repeater is improved, and the poor user experience is optimized.

The invention discloses a combined harvester multi-cluster networking system and method based on a hierarchical Mesh architecture. The combined harvester multi-cluster networking system comprises an intelligent WI-SUN node module, a wireless Mesh network routing gateway, a bypass route, a repeater and a cloud server. And the intelligent WI-SUN node modules are deployed on each combine harvester. The intelligent WI-SUN node module is used for realizing a communication network in a cluster; and each combine harvester performs intra-cluster data transmission with the combine harvesters in the cluster through a built-in intelligent WI-SUN node module. And wireless Mesh communication between clusters is realized by the master node and the wireless Mesh network routing gateway of the clusters, and data aggregation is completed through a bypass route and is transmitted to a cloud server. Therefore, the combined harvester cluster based on the hierarchical Mesh architecture can realize a larger communication range, better penetration capability and anti-interference capability, is suitable for low-power design of large-scale equipment connection, and remarkably improves the real-time acquisition and transmission reliability of agricultural operation data.

Provided are an information processing device, an information processing method, and a computer program that enhance spectrum utilization efficiency in an effective manner.An information processing device of the present disclosure includes a processing unit that calculates, on the basis of position information regarding a first receiver and arrangement information regarding a repeater that reflects a first radio wave transmitted from a first transmitter to relay the first radio wave to the first receiver, an interference source region for determining whether or not a second transmitter that makes a secondary use of a spectrum identical to or adjacent to a spectrum used by the first transmitter and the first receiver is located at a position where there is a possibility that a second radio wave transmitted by the second transmitter is reflected by the repeater to cause interference affecting the first receiver.

Certain aspects of the present disclosure provide techniques for initial access with frequency-translating network controlled repeaters (FT-NCRs). A method for wireless communication by a user equipment (UE) includes receiving a synchronization signal (SS) burst from a repeater on a first frequency band with a first synchronization raster. The SS burst includes an SS block (SSB) and physical broadcast channel (PBCH) carrying a master information block (MIB) indicating an initial control resource set (CORESET). The method includes determining the SS burst is associated with a serving cell based on the first synchronization raster, wherein the serving cell uses a second synchronization raster associated with a second frequency band.

The invention discloses an acoustic optical communication positioning method for an autonomous adjustment channel of an underwater robot, and the method comprises the steps: constructing an underwater dynamic acousto-optic fusion repeater, achieving the wide-area guaranteed-bottom connection with the underwater robot through an acoustic link, and providing meter-scale precision coarse positioning covering a whole operation region; the method provides prior information for rapid establishment of a subsequent optical link, further dynamically compresses an optical search area to realize rapid and accurate link establishment, and performs autonomous and smooth switching among acoustic, optical and acousto-optic hybrid transmission modes according to real-time link quality assessment (signal-to-noise ratio), thereby realizing acousto-optic deep coupling and cooperative scheduling, and improving the reliability of the system. The system has the advantages of long-distance reliable connection, short-distance high-speed data return, high-precision positioning and the like, and solves the core technical problems that the distance and the speed cannot be obtained at the same time and the positioning precision and the coverage range are mutually restricted in the prior art.

A method for a network controlled repeater (NCR) is disclosed. The NCR has a control link and a backhaul link, to an access network node, and an access link to a user equipment, UE. Transmission via the control link is terminated at the NCR and transmission via the backhaul link is forwarded via the NCR to the access link. The method includes: transmitting, to the access network node, capability information indicating capability for dealing with interference among transmission of the control link, the backhaul link, and the access link; and receiving, from the access network node via the control link, control information for controlling the NCR to deal with the interference based on the capability information.

Various aspects of the present disclosure relate to a network-controlled repeater (NCR) that receives, from a base station, a first signaling indicating a reception beam and a first reference signal. The NCR receives a second reference signal from an interfering communication device, such as an interfering base station or user equipment (UE). The NCR performs a channel measurement on the first reference signal with the reception beam applied, and performs an interference measurement on the second reference signal with the reception beam applied. The NCR determines a signal strength comparison based on the channel measurement and the interference measurement, and transmits a second signaling as a report of the signal strength comparison to the base station.

Devices and methods where a repeater device determines that a failure event has occurred, and in response to this determining, stops performing a forwarding operation. The failure event may be with respect to a control link between a network-controlled repeater and a base station, such as a radio link failure or failure to comply with a configuration.

Various aspects of the present disclosure relate to a device and method for a network-controlled repeater (NCR) device to detect, indicate, and recover from a backhaul failure. The method includes communicating, by the NCR device with: (i) base station(s) via a control link or a backhaul link and (ii) a user equipment (UE) via an access link. A beam association is determined of the control link and the backhaul link. The method includes determining that the control link is communicated on a first beam and the backhaul link is communicated on a second beam of the base station(s). In response, the method includes monitoring a reference signal received on the backhaul link for an indication of failure of the backhaul link. The method includes transmitting a request for backhaul beam recovery on the control link in response to detecting the indication of failure of the backhaul link.

A communication method using a relay apparatus including a relay device that performs relay operation of relaying a radio signal transmitted between a network and a user equipment, and a control terminal that receives a control signal used for control of the relay device from the network, the communication method including the steps of: starting, by the control terminal in a radio resource control (RRC) connected state in a first cell, an RRC connection re-establishment procedure to a second cell based on detection of a radio link failure (RLF) in the first cell; and controlling, by the relay apparatus, the relay operation based on whether the second cell is the same cell as the first cell when the RRC connection re-establishment to the second cell is successful.

The disclosure includes some methods and apparatuses that facilitate relaying of signals in a wireless communication system. The methods and apparatuses on the side of a relay node perform determining a power-related configuration individually for each beam out of a plurality of beams, and receiving signals and transmitting said signals with the plurality of beams, wherein each beam among the plurality of beams is transmitted according to the power-related configuration determined for said beam. The methods and apparatuses on the side of the network include determining a power-related configuration individually for each beam out of the plurality of beams, the power-related configuration being for application by a relay node in receiving signals and transmitting said signals using a plurality of beams; and transmitting to the relay node a configuration message based on the power-related configuration.

The present invention relates to a signal transmission technique in an asymmetric scenario. According to the present disclosure, a method of a terminal may be provided, the method comprising the steps of: performing downlink synchronization for a first TRP on the basis of a first SSB received from the first TRP; performing downlink synchronization for a second TRP on the basis of a second SSB received from the second TRP; receiving a system information block (SIB) from the first TRP on the basis of the first SSB; and performing a random access procedure with the first TRP and the second TRP.

A system for enhanced time division duplexing (TDD) synchronization in a wireless mesh network includes a master access point device and a plurality of repeater devices. The master access point device propagates a first extended wireless local area network (WLAN) beacon to plurality of repeater devices in a specific order based on network topology mapping information. The first extended WLAN beacon includes a first synchronization pattern. A first repeater device receives the first extended WLAN beacon and compares the first synchronization pattern with a prestored synchronization pattern. The first repeater device iteratively adjusts the timing of a local oscillator based on signal strength or signal-to-noise ratio measurements until the patterns match with the prestored synchronization pattern. The first repeater device locks TDD signal timing at the first repeater device based on the first synchronization pattern that matches with the prestored synchronization pattern.

The invention discloses an SAR interference suppression method based on echo asynchronous pulse detection, and the method comprises the steps: constructing a local odd-even channel comparison mode or a global reference pulse comparison mode, directly carrying out the processing in a time domain of an SAR echo data matrix, determining a corresponding mode through the energy characteristics of an interference signal, and carrying out the detection of the interference signal. Constructing a channel difference mask and an outlier mask in the corresponding mode, and finally obtaining an interference mask in each mode; establishing a mask matrix based on the interference mask, and processing the amplitude matrix to obtain an amplitude matrix after interference suppression processing; and combining the phase matrix to obtain a final non-interference SAR echo data matrix. According to the method, interference artifacts brought to SAR image data by the forwarding type coherent interference can be suppressed, and the phenomenon of sidelobe deterioration of strong scattering points in the image after frequency domain notch is eliminated, so that the forwarding type coherent interference existing in the SAR echo data is effectively suppressed.