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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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Pilot grouping and route protocols in multi-carrier communication systems
Qualcomm Incorporated
August 17, 2017 - N°20170237589

Embodiments disclosed herein relate to methods and systems for pilot grouping, route protocols, and scheduling in multi-carrier communication systems. In an embodiment, an access terminal may group a plurality of pilot signals characterized by different frequencies into one or more pilot groups, each pilot grouping being identified by a plurality of parameters (e. G., a pn offset and a group ...
Phase-shift-keying (psk) pilot
Qualcomm Incorporated
August 10, 2017 - N°20170230213

The apparatus enables pilot signals, whether single tone or multiple tone, that achieve a very low papr. After receiving an allocation for multiple tones, the apparatus determines a pilot signal for transmission. The apparatus may select tones from the allocation for transmission of a pilot signal based on a pilot pattern. The pilot pattern may comprise a tone sequence that ...
Diaphragm pumps with air savings devices
Ingersoll-rand Company
August 10, 2017 - N°20170226997

In at least one illustrative embodiment, a diaphragm pump may comprise a sleeve formed to include (i) a bore extending along a longitudinal axis and (ii) a sleeve port that opens to the bore, and a spool supported in the bore of the sleeve and formed to include a spool port, the spool being configured to move with a diaphragm ...
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Signal separation in an orthogonal time frequency space communication system using mimo antenna arrays
Cohere Technologies, Inc.
August 03, 2017 - N°20170222700

A device and method for signal separation in an orthogonal time frequency space communication system using mimo antenna arrays. The communication device includes an antenna arrangement and a receiver. The receiver is configured to receive, from the antenna arrangement, a plurality of pilot signals associated with respective locations in a time-frequency plane wherein the plurality of pilot signals were transmitted ...
Techniques for providing uplink-based mobility
Qualcomm Incorporated
July 20, 2017 - N°20170208516

Techniques are described for wireless communication. A method for wireless communication at a user equipment (ue) includes identifying, while the ue is in a connected mode with a network, a radio resource configuration of the ue, selecting a dedicated set of resources for the ue or a common set of resources for a plurality of ues based at least in ...
Seamless replacement of a first drone base station with a second drone base station
Alcatel Lucent
July 20, 2017 - N°20170208512

A method is provided of replacing a first drone base station with a second drone base station, the first drone base station, the method comprising: sending by the first drone base station first pilot signals indicating a cell identifier; receiving by the first drone base station information that the second drone base station is in the vicinity of the first ...
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Method and apparatus for measuring channel variation for massive antenna array based beamforming in wireless ...
Lg Electronics Inc.
July 13, 2017 - N°20170201309

A method for transmitting feedback information to a base station at a user equipment (ue) in a wireless communication system. The method includes receiving a pilot signal from the base station at a first time and a second time, selecting a first pre-coding matrix index corresponding to the first time and a second precoding matrix index corresponding to the second ...
Communication system
Mitsubishi Electric Corporation
July 06, 2017 - N°20170195965

In a communication system of the present invention, a henb measures interference in step st41 in an energy saving mode. When judging to have detected the interference by a ue during communication with an enb in step st42, the henb cancels the energy saving mode and moves to a normal mode in step st43 and starts issuing a pilot signal ...
Method for transmitting and identifying pilot sequence in wireless communication system
Lg Electronics Inc.
July 06, 2017 - N°20170195159

Disclosed is a pilot sequence transmission method for transmitting additional information to a receiver by shifting a pilot signal on a frequency axis or a time axis and transmitting the shifted pilot sequence. In addition, disclosed is a pilot sequence identification method for acquiring additional information transmitted from the transmitter by analyzing the pilot sequence transmitted from a transmitter so ...
Multi-user multiplexing method, base station, and user terminal
Huawei Technologies Co., Ltd.
July 06, 2017 - N°20170195019

A multi-user multiplexing method, a base station, and a user terminal are disclosed. The method includes: a base station weights, using a precoding matrix, multiple data streams to obtain to-be-transmitted data streams mapped onto k physical transmit antennas; weights, using the precoding matrix, a pilot signal to obtain to-be-transmitted pilot signals mapped onto the k physical transmit antennas; and sends ...
Method for scheduling pilot signal, control node and wireless device
Industrial Technology Research Institute
June 29, 2017 - N°20170187502

A method for scheduling a pilot signal, a control node and a wireless device are proposed. The control node manages an i-th cell among n cells of a network cluster. The method includes: dividing a training time into at least (n) time slots; scheduling a wireless device of the i-th cell to transmit a first pilot signal at a j-th ...
Staggered pilot placement
Qualcomm Incorporated
June 22, 2017 - N°20170180104

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be configured to receive a plurality of combined signals. Each combined signal may be on a tone of a plurality of tones. The apparatus may be configured to determine a first pilot signal on a first tone of the plurality of ...
Wireless communication system having a user equipment-centric medium access control layer
Qualcomm Incorporated
June 15, 2017 - N°20170171830

Methods, systems, and devices are described for wireless communication. In one method, a method of wireless communication at a user equipment (ue) includes receiving a synchronization signal. The synchronization signal may be common to a plurality of cells within a network. The method further includes acquiring a timing of the network based on the synchronization signal, and transmitting a pilot ...
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Operating a cellular mimo system
Sony Mobile Communications Inc.
June 15, 2017 - N°20170170935

The present application relates to a method for operating a cellular multiple input and multiple output system comprising a first device (20) having at least two antenna arrays (22, 23) and second device having at least two antennas (32, 33). According to the method, a same uplink pilot signal is broadcasted from each antenna (32, 33) of the second device (30) and the same uplink pilot signal is ...
Optical transmission device and optical transmission method
Nec Corporation
June 15, 2017 - N°20170170907

This invention provides an optical transmitter that internally compensates for pdl with a high degree of precision and can output high-quality transmission signals. The optical transmitter is provided with the following: a light-outputting means for generating an optical signal; a data-outputting means for outputting a data sequence generated on the basis of information to be transmitted; a driving means for ...
A network node and method for determining downlink transmission power for a downlink shared channel
Telefonaktiebolaget Lm Ericsson (publ)
June 08, 2017 - N°20170164295

A network node and a method performed by a network node for determining downlink transmission power for a downlink shared channel to be used in a transmission time interval, tti, by cells served by the network node in a wireless telecommunications network. The network node determines the downlink transmission power available to a cell for physical channels associated with the ...
Multiple-input multiple-output orthogonal frequency division multiplexing communication system and method for signal compensation
Huawei Technologies Co., Ltd.
June 08, 2017 - N°20170163448

Embodiments of the present disclosure provide a method for signal compensation, including: receiving, by a receiver via n receiving antennas, a plurality of channel estimation preamble signals sent by m transmitting antennas of a remote transmitter; determining, by the receiver, channel estimation parameters according to the first pilot signals of the m transmitting antennas contained in the plurality of channel ...
Feedback reporting method for massive antenna array based beamforming in wireless communication system, and apparatus ...
Lg Electronics Inc.
June 08, 2017 - N°20170163325

A method for transmitting feedback information to a base station by a user equipment, for massive antenna array based beamforming in a wireless communication system is disclosed. The method includes receiving information about a plurality of pilot patterns for a massive antenna array from the base station, estimating a plurality of channels corresponding to the plurality of pilot patterns by ...
Method and communication device for controlling beam-forming tracking
Telefonaktiebolaget Lm Ericsson (publ)
May 18, 2017 - N°20170141892

A method in a communication device for controlling beam-forming (bf) tracking is disclosed. The method comprises switching the communication device from a coarse bf tracking state to a non-bf tracking state when a first timer expires. The communication device transmits pilot signals for bf tracking, feedback information for bf tracking or both the pilot signals and the feedback information more ...
Method for measuring downlink channel quality, transmit end, receive end, and system
Huawei Technologies Co., Ltd.
May 18, 2017 - N°20170141834

The present disclosure disclose a method including: a transmit end transmits at least two mixed pilot signals to a receive end separately by using at least two physical antennas. The at least two mixed pilot signals are separately obtained after preset pilot signals corresponding to logical antennas in the at least two logical antennas are weighted by using a precoding ...
Transmission/reception apparatus and method for supporting mimo technology in a forward link of a ...
Samsung Electronics Co., Ltd.
May 18, 2017 - N°20170141821

Methods and apparatus are provided for transmitting data in a communication system with a plurality of antennas. The transmitter generates a first pilot signal and a second pilot signal. Data, the first pilot signal, and the second pilot signal are transmitted over a wireless network. The first pilot signal is transmitted at a first position in a time domain in ...
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