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Precoding Matrix

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


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Channel quality indicator feedback method, user equipment, and network device
October 18, 2018 - N°20180302207

Embodiments of the present disclosure disclose a channel quality indicator (cqi) feedback method, user equipment, and a network device. The method includes: receiving, by the user equipment, a secondary pilot receive signal of each single sector and that is obtained after a secondary pilot transmit signal of each single sector transmitted by a network device is transmitted by using a ...
Layer mapping, csi feedback and harq feedback in mobile communications
October 18, 2018 - N°20180302192

Techniques and examples of layer mapping, channel state information (csi) feedback and hybrid automatic repeat request (harq) feedback in mobile communications are described. A user equipment (ue) receives from a base station one or more reference signals, which may be non-zero power (nzp) or zero power (zp), on one or more time-frequency resources indicated by a network via a communication ...
High-resolution csi reporting based on unequal bit allocation in advanced wireless communication systems
October 18, 2018 - N°20180302140

Methods and apparatuses for reporting a precoding matrix indicator (pmi). A user equipment (ue) includes a processor configured to generate a report for a pmi.
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Method for determining precoding matrix indicator, receiving device, and sending device
October 11, 2018 - N°20180294862

Embodiments of the present invention provide a method for determining a precoding matrix indicator, a receiving device, and a sending device. The method for determining a precoding matrix indicator includes: selecting, by a receive end, a precoding matrix w from a codebook based on a reference signal sent by a transmit end, where the precoding matrix w is a product ...
Operation for 3d beam forming in a wireless communication system
October 11, 2018 - N°20180294855

Here, operation for 3d beam forming is disclosed. Ue, receiving reference signals from one or more base stations (enbs), may report feedback information comprising precoding matrix information to the one or more enbs.
Method for transmitting and receiving channel state information in wireless communication system and device therefor
October 11, 2018 - N°20180294848

Disclosed are a method for transmitting and receiving channel state information in a wireless communication system and a device therefor. Specifically, a method for transmitting channel state information (csi) by a terminal in a wireless communication system may comprise the steps of: receiving, from a base station, setting information for a single csi process including a first channel state information-reference ...
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Transmission scheme for wireless communication systems
Mediatek Inc.
September 27, 2018 - N°20180279352

A method of two-layer (rank=2) demodulation reference signal (dmrs) based transmission scheme is proposed. The precoding matrix on a data re can be represented as a×b.
Method of signal generation and signal generating device
Sun Patent Trust
September 20, 2018 - N°20180270096

A transmission method simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals, thereby improving received data signal quality for a reception device.. .
Transmission method, transmitter apparatus, reception method and receiver apparatus
Sun Patent Trust
September 20, 2018 - N°20180270094

Transmission quality is improved in an environment in which direct waves dominate in a transmission method for transmitting a plurality of modulated signals from a plurality of antennas at the same time. All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data ...
Data transmission method and apparatus
September 13, 2018 - N°20180262381

Embodiments of the present invention provide a data transmission method and apparatus, and the method includes: modulating to-be-sent information bits according to a lower order constellation diagram, and generating 4m lower order modulation symbols; multiplying a precoding matrix q by a column vector including every four lower order modulation symbols in the 4m lower order modulation symbols, to obtain 4m ...
Information feedback method, information feedback device and user equipment
September 13, 2018 - N°20180262245

The present disclosure relates to the field of communication technology, and provides an information feedback method, an information feedback device and a ue. The information feedback method includes steps of: acquiring pmis of multiple-level component precoding matrices of a precoding matrix for downlink data transmission; and feeding back the pmi of each of the multiple-level component precoding matrices of the ...
Feedback apparatus and method in multi-antenna system
September 13, 2018 - N°20180262244

Disclosed are feedback and transmission devices and methods in full-dimension multi-antenna systems using two-dimensional (2d) planar array antennas, wherein a ue estimates channel states each corresponding to a respective one of multiple domain channels by a reference signal received from a base station, and obtains precoding matrix indicators (pmis) each corresponding to a respective one of the multiple domain channels ...
Method for transmitting and receiving channel state information (csi) in wireless communication system, and apparatus ...
Lg Electronics Inc.
September 06, 2018 - N°20180254814

A method for transmitting and receiving channel state information (csi) in a wireless communication system, and an apparatus therefor are disclosed. Specifically, a method for a terminal transmitting csi in a wireless communication system supporting multi-user superposition transmission (must) may comprise the steps of: reporting to a base station a first precoding matrix indicator (pmi) indicating a precoding matrix that ...
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Communication technique using csi-rs in mobile communication system
Samsung Electronics Co., Ltd.
August 23, 2018 - N°20180242285

Disclosed is a 5g or pre-5g communication system to be provided so as to support a data transmission rate higher than that of a 4g communication system, such as lte. Disclosed is a communication method of a base station using a channel state information reference signal (csi-rs) in a mobile communication system, the method comprising the steps of: receiving ...
Channel state information feedback method and apparatus
Samsung Electronics Co., Ltd.
August 23, 2018 - N°20180241454

The present disclosure relates to a 5g or pre-5g communication system for supporting a higher data transfer rate beyond a 4g communication system such as lte. A method and an apparatus for transmitting and receiving channel state information are disclosed.
Precoding matrix determination method and precoding matrix determination device
China Academy Of Telecommunications Technology
August 23, 2018 - N°20180241449

A precoding matrix determination method and a precoding matrix determination device are provided. The precoding matrix determination method includes: dividing each of the groups of vertical-dimension beams into a plurality of subgroups of vertical-dimension beams, and dividing each of the groups of horizontal-dimension beams into a plurality of subgroups of horizontal-dimension beams; determining a first stage codebook in accordance with ...
Method for determining precoding matrix indicator, user equipment, and base station
Huawei Technologies Co.,ltd.
August 23, 2018 - N°20180241447

A method for determining a precoding matrix indicator, user equipment, and a base station are disclosed in embodiments of the present invention. The method includes: receiving a first reference signal set sent by a base station, where the first reference signal set is associated with a user equipment-specific matrix or matrix set; selecting a precoding matrix based on the first ...
Methods and apparatuses for transmitting coding indication information and determining precoding matrix
China Academy Of Telecommunications Technology
August 23, 2018 - N°20180241445

Methods and apparatuses for transmitting coding indication information and determining a precoding matrix, for use in resolving the problem that the resolution of code words in a codebook generated by using a combination of a beam vector subgroup and column selection cannot be flexibly adjusted. The method comprises: determining first precoding indication information and second precoding indication information, the first ...
Artificially mutual-coupled antenna arrays
Nokia Solutions And Networks
August 23, 2018 - N°20180241442

A mechanism for mutually coupling multiple antennas for transmission in a wireless communication environment, wherein, for a received or transmitted radio signal a precoding matrix is created that includes artificial mutual antenna coupling coefficients and processing the received or transmitted radio signal using the created precoding matrix.. .
Lpi/lpd communication systems
Department 13, Inc.
August 16, 2018 - N°20180234986

In a wireless communication system, a secure communication link is provided by selecting a decoy data signal vector for transmission, generating a mimo precoding matrix from a message to be sent; and multiplying the decoy data signal vector by the mimo precoding matrix to construct a precoded signal vector. The mimo precoding matrix produces information-bearing synthesized channel distortions in the ...
Wireless communication system, central unit equipment, distributed unit equipment, communication method of central unit equipment, ...
Nippon Telegraph And Telephone Corporation
August 16, 2018 - N°20180234152

In a partial centralization system configuration, a wireless communication system of the present invention transmits a precoding matrix generated in a media access control (mac) function or a matrix or vector obtained by dividing the precoding matrix between central unit equipment and distributed unit equipment in addition to data of modulated symbols necessary for a precoding matrix calculation and downlink ...
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