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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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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 ...
Wireless communication system having a user equipment-centric medium access control layer
Qualcomm Incorporated
June 15, 2017 - N°20170171829

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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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 ...
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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 ...
Apparatus and method for sending and receiving broadcast signals
Lg Electronics Inc.
May 11, 2017 - N°20170134200

An apparatus for transmitting a broadcast signal includes an input formatting module configured to de-multiplex an input stream into at least one data pipe (dp); a bicm module configured to perform error correction processing on data of the at least one dp; a signal frame building module configured to map the data of the dp to symbols within a signal ...
Method and apparatus for estimating read levels of nonvolatile memory and for programming pilot signals ...
Samsung Electronics Co., Ltd.
May 11, 2017 - N°20170133097

A method, executed by a memory controller, for estimating read levels of a nonvolatile memory includes reading voltages stored by memory cells of a page space within the nonvolatile memory to which pilot signals of a predetermined symbol are programmed. The number of memory cells are identified whose voltages, read from the page space, are less-than/greater-than a read-voltage applied ...
Pilot signal generating apparatus, method thereof, and transmitting apparatus
Kyungpook National University Industry-academic Cooperation Foundation
May 04, 2017 - N°20170126451

An exemplary embodiment of the present invention provides a pilot signal generating apparatus, including: a changed amount estimating unit which estimates a changed amount of a pilot symbol due to interference of a data symbol which is adjacent to a predefined position of the pilot symbol; and a symbol generating unit which generates the pilot symbol in consideration of the ...
Apparatus and method for generating and using a pilot signal
Motorola Mobility Llc
May 04, 2017 - N°20170126348

A method and apparatus is for generating a modulation signal that comprises a resource block. A resource element sequence, mnp, of m pilot symbols is determined that corresponds to an nth of n subcarriers. A pilot frequency domain sample sequence, rnp, corresponding to the resource element sequence mnp comprises a quantity, rnnz, of non-zero magnitude pilot frequency domain samples. Rnnz ...
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Ofdm signal transmission method and apparatus
Kabushiki Kaisha Toshiba
April 27, 2017 - N°20170118056

An orthogonal frequency division multiplexing (ofdm) signal transmission apparatus which transmits ofdm signals by using a plurality of transmission antennas includes a subcarrier setting device which sets signals for subcarriers so as to use some of the subcarriers of the ofdm signals as pilot subcarriers to transmit pilot signals and use the remaining subcarriers as data subcarriers to transmit data ...
Improved carrier frequency offset estimation using precoded non-fixed pilot signals
Kabushiki Kaisha Toshiba
April 20, 2017 - N°20170111201

In an embodiment a method in an access point of a wireless is disclosed. The wireless network comprises the access point and a plurality of terminals. The method comprises receiving, at a plurality of antennas of the access point, signals from each of the plurality of terminals; estimating, from the received signals, a spatial channel signature for each of the ...
System and method for pilot signal transmission
Huawei Technologies Co., Ltd.
April 20, 2017 - N°20170111147

Longer pilot sequences can be supported by transmitting pilot values of a given pilot sequence over different orthogonal frequency division multiplexed (ofdm) symbols of an uplink frame. The pilot values may be contiguous, or non-contiguous, with one another in the time domain. Consecutive pilot values in a pilot sequence may be transmitted in different ofdm symbols of the frame. For ...
Pilot time slot allocation for a mimo system
Sony Corporation
April 13, 2017 - N°20170104561

A cellular multiple-input and multiple-output, mimo, system (10) comprises a base station (20) having a plurality of antennas (22) and a logic (21) which analyzes pilot signals received from a terminal (11-15) at the plurality of antennas (22) to obtain information about radio channel properties between the terminal (11-15; 100) and the plurality of antennas (22). The base station (20) assigns at least two terminals (11-13) of a ...
Monitoring apparatus for optical signal to noise ratio, signal transmission apparatus and receiver
Fujitsu Limited
April 13, 2017 - N°20170104529

Embodiments of the present disclosure provide a monitoring apparatus for an optical signal to noise ratio, a signal transmission apparatus and a receiver. White noise power of received signals is calculated according to noise power and power of pilot signals of the received signals in different polarization states, and influence of a nonlinear noise is excluded, thereby accurately estimating an ...
Method, base station and terminal for determining channel properties in a cellular multiple-input and multiple-output ...
Sony Corporation
April 06, 2017 - N°20170099125

A cellular multiple-input and multiple-output, mimo, system comprises a base station having a plurality of antennas. Pilot signals are received by the base station in each frame of a sequence of frames (60). The base station analyzes the pilot signals to determine radio channel properties of radio channels between respectively each one of a plurality of terminals and the base station. ...
Method, apparatus, and device for modulating orthogonal frequency division multiplexing optical signal
Huawei Technologies Co., Ltd.
March 30, 2017 - N°20170093519

A method, an apparatus, and a device for modulating an orthogonal frequency division multiplexing optical signal are provided and relate to the field of optical communications technologies. The method includes: performing bit-to-symbol mapping and serial-to-parallel conversion on a baseband signal to obtain at least two sub symbol sequences of the baseband signal; determining, from all subcarriers of an ofdm signal, ...
Channel information feedback method and pilot and beam transmission method, system and device
Zte Corporation
March 23, 2017 - N°20170085303

Disclosed are a channel information feedback method, pilot and beam transmission methods, systems and devices. The channel information feedback method includes that: a base station transmits m types of pilot signals, the m types of pilot signals corresponding to m pilot ports respectively; the base station configures n pilot ports in the m pilot ports for a terminal through signalling, ...
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