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Patent Searching and Data


Matches 1 - 50 out of 20,215

Document Document Title
WO/2018/013238A1
Beamforming in time division duplex (TDD) multiple input, multiple output (MEVIO) systems is discussed involving user equipments (UEs) having asymmetric antenna configurations. Aspects of the present disclosure use different combinations...  
WO/2018/010242A1
A monitoring system based on terahertz communication, the monitoring system comprising cameras (10), access switches (20), aggregation switches (30) and a core switch (40); each of a plurality of cameras (10) is correspondingly connected...  
WO/2018/010761A1
The embodiments herein relate to a method performed by a testing device (101) for enabling testing of a communication node (103). The testing device (101) measures a test parameter associated with RF characteristics of the communication ...  
WO/2018/013919A1
The disclosure provides systems and methods for interference reduction in wireless communications. The method can include receiving a composite signal having multiple overlapping constituent signals and a noise floor. The noise floor can...  
WO/2018/013756A1
A system and method for improving for amplifying a multi-frequency radio signal by using high efficiency amplifiers to amplify one radio frequency carrier at a time. The system further improves performance by providing parallel communica...  
WO/2018/009227A1
Various embodiments to enable Spectrum Access System (SAS) controlled interference management are disclosed herein. In one embodiment, an apparatus is provided. The apparatus includes a memory to store network configuration data and a pr...  
WO/2018/009106A1
In a method for calibrating at least two cross coupled antenna element groups in an antenna array, calibrating (S1) the antenna elements within each group of antenna elements. Further, in a respective calibration transceiver in each grou...  
WO/2018/006636A1
An uplink antenna selection method and device. The method comprises: when an open loop antenna selection mode is started, reading a current sub-frame of a downlink antenna; when the current sub-frame is a channel state information measur...  
WO/2018/004411A1
There is provided mechanisms for over the air testing of a radio communications device. A method is performed by a signal generator. The method comprises generating a respective test signal for each of a plurality of receiver units of th...  
WO/2018/000670A1
A device for detecting a local oscillation signal, comprising: a transmission link, configured to acquire a first signal, upconvert the first signal according to a local oscillation signal generated by a local oscillator to obtain a seco...  
WO/2018/004899A1
A directional coupler disclosed herein may include a main line provided on a substrate, the main line having a first end connected to an input port and a second end connected to an output port. The coupler may include a coupled line disp...  
WO/2018/004401A1
A radio communication transmitter and a method performed thereby for performing a transmission to a radio communication receiver over a first channel are provided. The radio communication transmitter and the radio communication receiver ...  
WO/2018/004910A1
An apparatus of a user equipment (UE) to perform tuning of a tunable antenna may comprise baseband circuitry and radio frequency (RF) circuitry. The baseband circuitry may determine an indication of throughput performance of a tunable an...  
WO/2018/004824A1
Method for testing implicit beamforming operation of a radio frequency (RF) data packet signal transceiver device under test (DUT), including transmitting to the DUT combinations of a multidirectional (e.g., legacy) RF test signal and at...  
WO/2018/003912A1
Provided is a technology for simultaneously monitoring a plurality of relay devices. A relay device 1 comprises a superimposing unit 2 and a monitor unit 3. The relay device 1 is interposed on an optical transmission path between optical...  
WO/2018/005555A1
A calibration architecture that enables accurate calibration of radio frequency (RF) integrated circuits (ICs) chips used in transceiver RF systems in a relatively simple testing environment. Embodiments of the invention include one or m...  
WO/2018/001452A1
There is provided a method comprising determining that a time period associated with measurement requirements for performing reference signal measurements exceeds a threshold, such that the measurement requirements are not satisfied and ...  
WO/2018/001326A1
A method and a device for acquiring fault information. The method is applicable to a server, and comprises: when monitoring that an optical transport network (OTN) service issues an alarm, acquiring a first alarm code of a first alarm an...  
WO/2017/222701A1
Systems and methods for providing indications about the TX RF non-linear impairments are disclosed. In accordance with some implementations, a first device (UE or base station) estimates EVM indications for the signal and determines if t...  
WO/2017/220427A1
A method, device and computer program for generating wireless signals for testing a network node for transmitting Narrow Band Internet of Things signals, for compliance with predetermined criteria, the network node being configured to su...  
WO/2017/223015A1
A "Skip-Correlator" ensures carrier sensing symmetry between wireless devices of arbitrary transmission power levels, thereby enabling fair sharing of available spectrum of a wireless channel between the wireless devices. In various impl...  
WO/2017/219965A1
Provided are a method and system for processing a frequency shift of a television signal. The system comprises: a mixer circuit of a tuner; a frequency discriminating circuit; a filter circuit; a voltage-controlled oscillator circuit; an...  
WO/2017/220157A1
The present invention relates to an estimation device (100) comprising a processor (102) configured to obtain a communication signal (y) comprising a plurality of resource elements (REs), the communication signal (y) carrying at least on...  
WO/2017/222269A1
The present invention relates to a wireless charging device including a communication signal compensator. The wireless charging device may comprise: a wireless charging unit for transmitting wireless power to a communication device; a pl...  
WO/2017/223201A1
Technology for a user equipment (UE) operable to perform interference measurements in a massive multiple-input multiple-output (MIMO) system is disclosed. The UE can decode downlink control information (DCI) received from a base station,...  
WO/2017/215020A1
The present application discloses a method and device for testing large-scale MIMO system base station. The method comprises: when a terminal communicates with a base station to be tested, then processing, on the basis of a preset proces...  
WO/2017/214292A1
Techniques for managing preamble transmission and processing on a shared communication medium are disclosed. An access point or an access terminal, for example, may generate a preamble for silencing communication on a communication mediu...  
WO/2017/211408A1
A method (20) of calibrating an antenna system (10) comprising a number of antenna elements is provided. The method (20) comprises transmitting (21) a signal from a first reference antenna element selected among the antenna elements; mea...  
WO/2017/212312A1
A method and system for performing link adaptation are disclosed. According to one aspect, a method in a wireless communication system for performing link adaptation is provided. The method includes, when a first measure of channel quali...  
WO/2017/209581A1
An embodiment of the present invention relates to a method for transmitting or receiving a side link signal by a first terminal in a wireless communication system, the method comprising the steps of: selecting a first resource through wh...  
WO/2017/208440A1
Provided is a control device that makes it possible to easily ascertain the statuses of wireless relay devices. The control device according to one embodiment of the present invention comprises: a reception unit that receives, from a plu...  
WO/2017/202536A1
Antenna Elements and Apparatus Suitable for AAS Calibration by Selective Couplerline and TRX RF subgroups An antenna arrangement includes an antenna element and a corresponding feeder line configured to feed a signal to and from the ante...  
WO/2017/201765A1
Methods and apparatus for calibrating an antenna array are provided. A limited number of antenna elements of the array are operated to broadcast a signal. The signal carries information relevant to operation of a communication network, f...  
WO/2017/201955A1
Provided are a cell signal selection method and device. The method comprises: respectively marking signals of a plurality of cells to be tested; and selecting, according to the marked signals, one or more signals of the cells to be teste...  
WO/2017/202453A1
A method (20) of determining sign of a calibration compensation for use in an antenna system (10) is provided, the antenna system (10) comprising individually calibrated subarrays (2a, 2b). The method (20) comprises selecting (21) a set ...  
WO/2017/203324A1
A method and apparatus for providing feedback for cancellation of signal impairment in a plurality of separate transmit paths of a transmitter are disclosed. According to one aspect, a method includes receiving a plurality of outbound si...  
WO/2017/202469A1
A method (20) of calibrating an antenna system (10) comprising a number of antenna elements is provided. The method (20) is performed in a control device (11) and comprises transmitting (21) a signal from a first reference antenna elemen...  
WO/2017/201978A1
Disclosed in embodiments of the present invention are a radio frequency transmission circuit and circuit matching method. The radio frequency transmission circuit comprises: a control unit and at least one transmission loop unit. The tra...  
WO/2017/203617A1
A parallel processing apparatus according to the present invention is provided with: a master machine (1); and a slave machine (2) that has a plurality of characteristic calculation units (23), and parallelly calculates reception charact...  
WO/2017/194174A1
The present disclosure relates to a radio network node and a method for controlling radio channel deployment to reduce the risk of collision when using an un-licensed spectrum in a wireless communication network. The method comprises to ...  
WO/2017/196883A1
A method for distributed beacon management, including: broadcasting a packet from the beacon; receiving the packet at an application executing on a plurality of user devices; and transmitting beacon information extracted from the packet ...  
WO/2017/196083A1
A transmission method of a base station is provided. The base station sets a first resource for a physical downlink control channel (PDCCH). The base station includes setting information of the first resource in a first physical broadcas...  
WO/2017/195842A1
In order to acquire from received data a feature quantity including only a fluctuating component due to a radio signal, this feature quantity measuring device: calculates a feature quantity on the basis of data in a prescribed time segme...  
WO/2017/196508A1
An apparatus (202) for wireless communication comprises a low noise amplifier, LNA (218), an attenuator (212), and a processing system (204). The attenuator (212) receives a signal from the LNA (218), generates a first attenuated signal ...  
WO/2017/197341A1
A redundancy system for data transport in a Distributed Antenna System (DAS) includes a plurality of Digital Access Units (DAUs). Each of the plurality of DAUs is fed by a plurality of data streams and is operable to transport digital si...  
WO/2017/193808A1
Embodiments of the present invention provide a channel quality feedback method, a user equipment (UE), a control method for channel quality measurement, and a base station. In an example, the channel quality feedback method comprises: a ...  
WO/2017/196252A1
A method performed by a radio device 6 for Channel State Information (CSI) feedback in a communication system 1 comprising a Radio Access Network (RAN) node 3 comprises receiving, from the RAN node, information about a CSI Reference Sign...  
WO/2017/190659A1
Provided are a method and apparatus for configuring a sounding reference signal. The method comprises: a base station determining a movement speed of a user equipment (UE); according to the movement speed of the UE, the base station dete...  
WO/2017/192078A1
The invention relates to a method performed by a node in a wireless 5 communication network (10) of estimating parameters used for determining a signal-to-interference measure at a wireless communication device (11) served by a base stat...  
WO/2017/191012A1
A method of a wireless device arranged to perform measurements of signals wirelessly transmitted from at least one network node and being associated with a first cell and a second cell, respectively, is disclosed. The signals to be measu...  

Matches 1 - 50 out of 20,215