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Pilot Signal

Pilot Signal-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Signal sending method and device
Huawei Technologies Co., Ltd.
January 11, 2018 - N°20180013515

The present disclosure discloses a signal sending method and device. The method includes: receiving, by a base station, an uplink pilot signal sent by authorized user equipment, and determining a direction vector parameter and a first channel fading parameter of a channel calculating, according to the direction vector parameter and the first channel fading parameter, a first signal beamformer parameter, ...
Methods and devices for transmitting and receiving pilot signal
China Academy Of Telecommunications Technology
January 04, 2018 - N°20180006784

The present disclosure provides methods and devices for transmitting and receiving a pilot signal, so as to reduce the number of antenna ports for transmitting the pilot signal and reduce pilot resource consumption. The method for transmitting the pilot signal includes: generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by ...
Estimating signals in sub-sampled systems
Facebook, Inc.
December 28, 2017 - N°20170373885

Embodiments are disclosed for improving precoder-matrix computations in a mimo base station. Particularly, various embodiments implement methods for interpolating pilot signal results from multiple calibration transmissions. A subchannel of a resource block is selected as an anchor subchannel and the channel matrices for each subchannel are then determined using weights associated with each subchannel that are determined from the subchannel's ...
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Multi-pilot variable pressure relay valve
December 28, 2017 - N°20170370485

The improved hydraulic control valve includes a spool with a primary side piston having a rigid linkage with a secondary side piston. The primary side providing the ability to tap into an existing hydraulic system without altering the existing hydraulic system pressures or fluid volume. The secondary side piston and associated ports form a regulating assembly for control of the ...
Downlink slot structure, channel placement, and processing timeline options
Qualcomm Incorporated
December 07, 2017 - N°20170353947

Aspects of the disclosure provide a slot structure (e. G., the arrangement of channels and pilot signals within a slot) that can relax the processing timeline for a wireless communication device. For example, in the first or initial symbol of a slot, control information may be frequency division multiplexed (fdm) with a demodulation reference signal (dmrs) or with user data. ...
Flow control valve for construction machine
Volvo Construction Equipment Ab
December 07, 2017 - N°20170350097

A flow control valve for a construction machine includes a boom valve block connected lo a hydraulic pump; a boom spool coupled to the boom valve block so as to be slidably moved, and switched on by the supply of pilot signal pressure in order to carry out a boom-up or boom-down operation, thereby controlling the hydraulic oil supplied from ...
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Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
Lg Electronics Inc.
November 23, 2017 - N°20170338991

A method for transmitting and receiving a signal and an apparatus for transmitting and receiving a signal are disclosed. The method for receiving the signal includes receiving (s210) the signal in a first frequency band, identifying (s220) a first pilot signal including, a cyclic prefix obtained by frequency-shifting a first portion of an useful portion of the first pilot signal ...
Charge gun, electric vehicle supply equipment, and electric vehicle charging method thereof
Delta Electronics, Inc.
November 23, 2017 - N°20170334301

A charge gun and an electric vehicle supply equipment (evse) are provided. The charge gun includes at least one charging terminal, a ground terminal, a control pilot terminal and an over temperature detecting circuit. The charging terminal is configured to be electrically coupled to an electric vehicle to charge the electric vehicle. The ground terminal is electrically coupled to an ...
Synchronization assistance to a mobile station
November 02, 2017 - N°20170318549

A synchronising assisting device (14) sends an adjustment value (av) to a mobile station (12) for use when synchronising to a resource employed by the target cell (17), where the adjustment value (av) is an estimate of the change in timing required to synchronise to a reference signal interval of the resource, and processes the adjustment value (av) if an indication (iatc) of ...
Precoding information obtaining method, and device
November 02, 2017 - N°20170317795

Embodiments of the present invention provide a precoding information obtaining method and a device. The method includes: separately precoding, by a network device by using n sub-codebooks, a pilot group including k pilots to obtain n precoded pilot groups, where the sub-codebooks are subsets of a precoding codebook, the precoding codebook includes m precoding vectors, each sub-codebook includes k precoding ...
Method and apparatus for obtaining channel information in polarization division duplex systems
November 02, 2017 - N°20170317704

A method and an apparatus for acquiring channel information in a polarization division duplex system. An uplink signal transmitted from a terminal is received, the uplink signal indicating that a null subcarrier is disposed in a first subcarrier overlapped with a second subcarrier including a downlink pilot signal, and a self-interference channel is estimated by using a signal received from ...
Resource access priority for synchronous transmissions
Qualcomm Incorporated
October 26, 2017 - N°20170311225

A user equipment (ue) may determine that a synchronous transmission by the ue includes traffic having a priority higher than a priority of nominal traffic. In response to the determination, the ue may, alter a use of at least some of an initial portion of a discovery frame from energy detection to signal transmission. The signal transmission may be a ...
Signal processing apparatus, apparatus and method for monitoring channel spacing and system
Fujitsu Limited
October 26, 2017 - N°20170310440

A signal processing apparatus and method for monitoring channel spacing which may be configured in a receiver and includes: a first determining unit to determine a frequency range of a pilot of a center channel and a frequency range of a pilot of a neighboring channel using a receive signal; a second determining unit to determine a center channel frequency ...
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Multiuser detection for high capacity cellular downlink
October 19, 2017 - N°20170303244

A system and method for decoding an intended transmission includes a user device that receives a downlink transmission containing a user signal intended for the user device and one or more interfering user signals directed to one or more other user devices. The user device obtains power stacking information that includes a power level for each of the user signals ...
Cell access method and cell access apparatus
October 19, 2017 - N°20170303191

A cell access method and a cell access apparatus are provided. The cell access method includes steps of: measuring pilot signals for each of multiple cells that have been searched out, the pilot signals transmitted on a pilot resource for each cell being beam-formed using a set of beam-forming vectors configured for the cell; and selecting a cell corresponding to ...
Methods and apparatuses for advanced receiver design
October 19, 2017 - N°20170303147

Disclosed are embodiments of apparatuses and methods of use thereof for frequency domain (fd) chip level (cl) equalizers used in wireless receivers. The fd-cl-eq may further selectively apply a higher order matrix inverse or a lower order matrix inverse in the calculation of a channel estimate based on whether interference is present or not. Further disclosed are embodiments of methods ...
Transmit leakage cancellation in a wide bandwidth distributed antenna system
October 19, 2017 - N°20170302327

A system and methods for cancelling transmission leakage signals in a wide bandwidth distributed antenna system (“das”) having remote units is disclosed. An internal cancellation circuit within the remote unit is employed to reduce the transmitted leakage signals by generating a cancellation signal. This cancellation signal is added to the received signal to cancel the transmission ...
Method for transmitting pilot for multiple carrier system
Lg Electronics Inc.
October 12, 2017 - N°20170295003

A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second ...
Channel measurement and feedback method, network device, and system
Huawei Technologies Co., Ltd.
October 12, 2017 - N°20170294945

Embodiments of the present invention provide a channel measurement and feedback method, a network device, and a system, and relate to the field of communications technologies. The method includes: receiving, by a first network device, pilot port configuration information sent by a second network device, where the pilot port configuration information is used to describe at least two pilot ports; ...
Channel tracking and transmit beamforming with frugal feedback
Regents Of The University Of Minnesota
October 05, 2017 - N°20170289835

In general, this disclosure describes techniques for beamforming using limited feedback that exploit the spatio-temporal channel correlation and avoid the limitations of codebook-based feedback and markov chain modeling. In one example, a receiving device includes a plurality of receive antennas for receiving communication information, a memory for storing the communication information, and one or more processors for processing the communication ...
Method of measuring interference
Lg Electronics Inc.
October 05, 2017 - N°20170288995

A method of measuring interference to perform efficient data communication is disclosed. A method of measuring interference of neighboring cells comprises allocating one or more first resource elements, to which pilot signals are allocated, to predetermined symbol regions included in a first resource block; allocating one or more second resource elements for measuring interference of the neighboring cells to a ...
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