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863 results about "Multiple antenna" patented technology

Uplink interference rejection combining (IRC) split in lower-layer split

A method by a RU node for performing frequency-domain beamforming for communication between a base station (BS) and UEs in a network using a multiple antenna system, the BS including a DU node connected to the RU node, the method including: obtaining uplink signals including K user-layer signals overlaid with interference signals and noise as received at N antennas from a number of UEs; determining: a channel estimation matrix H of wireless communication channels between a number of UEs and N antennas; an estimate of an Interference plus Noise covariance matrix Q based on H and other channel information; a first part beamforming weights, BFWs; an effective channel matrix Heff based on H and the first part BFWs; and intermediate uplink signals having K components and based on the uplink signals and the first part BFWs; and sending Heff and the intermediate uplink signals towards the DU node.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Systems and Methods for Energy and Fronthaul Bandwidth Efficient Uplink Performance Improvements for O-RAN-based Radio Access Networks

A method for optimizing uplink performance of Open Radio Access Network (O-RAN) system implementing O-RAN split option 7-2x-based uplink (UL) multiple-input multiple-output (MIMO) operation includes: selectively utilizing non-port reduced DMRS symbols and non-port reduced DMRS measurements to mitigate performance degradation of the UL MIMO in conditions involving high mobility for a user equipment (UE) and / or high interference. The non-port reduced DMRS symbols are DMRS symbols from multiple antenna streams before digital beamforming operation, and non-port reduced DMRS measurements are measurements derived from the non-port reduced DMRS symbols. A radio unit (RU) of the O-RAN system i) extracts the non-port reduced DMRS symbols, and ii) transmits the non-port reduced DMRS measurements to a distributed unit (DU) of the O-RAN system. The DU transmits combining and / or digital beamforming matrix elements to the RU for combining and / or digital beamforming matrix application.
Owner:MAVENIR SYST INC

Configuration for phase tracking reference signal ports to enable uplink transmission with multiple codewords

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine an association between multiple phase tracking reference signal (PTRS) ports and multiple codewords that are to be used for an uplink communication that uses multiple antenna port groups, and transmit the uplink communication using the multiple codewords based at least in part on the association. Numerous other aspects are provided.
Owner:QUALCOMM INC

Modulation partitioning and transmission via multiple antennas for enhanced transmit power capability

Apparatus and methods for modulation partition and transmission via multiple antennas for enhanced transmit power capability are provided herein. In certain embodiments, an RF communication system includes a transceiver that generates a first RF signal and a second RF signal corresponding to partitions of a modulated RF signal. For example, the first RF signal and the second RF signal can be associated with different RB allocations of one or more channels of a frequency band. The RF communication system further includes a first transmit chain that processes the first RF signal to generate a first RF output signal for transmission on a first antenna, and a second transmit chain that processes the second RF signal to generate a second RF output signal for transmission on a second antenna.
Owner:SKYWORKS SOLUTIONS INC

System and multi-layer radio frequency device

Devices and systems for increasing the gain and / or offering multiple antenna frequencies while conserving space on the antenna are provided. According to various aspects of the technology, panels with antenna elements are stacked to create a MIMO antenna array with more antenna elements while conserving space. In some aspects, the antenna elements are the same size and produce the same frequency while their physical configuration increases the gain of the antenna. In alternative aspects, the antenna elements are different sizes and produces different frequencies such that the antenna offers a greater variety or bandwidth of frequencies while conserving physical space on the antenna (i.e., maximizing a total quantity of antenna elements associated with the antenna). Using an antenna system and device with an increased quantity of antenna elements increases one or more of the system capacity, data rates, reliability, gain, coverage range, and the like.
Owner:T MOBILE INNOVATIONS LLC

Diversity communication method and device

The invention provides a diversity communication method and a diversity communication device, which are used for providing a diversity transmission scheme. The first device maps a plurality of modulation symbols corresponding to one transmission block to a plurality of antenna ports; in each mapping, a plurality of consecutive modulation symbols are mapped onto one antenna port. And then, the first equipment maps the modulation symbols on each antenna port to the frequency domain resources corresponding to the antenna ports, and the frequency domain resources corresponding to different antenna ports are not overlapped. Due to the fact that frequency domain resources corresponding to different antenna ports are not overlapped, that is, one transmission block is transmitted on different channels, the transmission block achieves the purpose of diversity transmission. Moreover, when the modulation symbols are mapped to the antenna port, a plurality of continuous modulation symbols are mapped each time, and the mapping mode can keep the phase difference among the plurality of continuous modulation symbols not damaged, so that the communication system can keep a relatively low peak-to-average power ratio (PAPR).
Owner:HUAWEI TECH CO LTD

Automatic plate placing equipment and plate placing method

The invention discloses automatic tray placing equipment and a tray placing method, and relates to the technical field of antenna production, the automatic tray placing equipment is used for placing a plurality of antenna products into a target tray, the target tray is provided with a plurality of groove groups, each groove group comprises at least two adjacent material grooves, and the at least two adjacent material grooves are arranged in the target tray. The distance between two adjacent material grooves in each groove group is set to be one of A or M * A; the automatic tray placing equipment comprises a machine table, a feeding module, a middle variable-pitch module and a tray placing module. The machine table is provided with a material receiving station, a variable-pitch station and a tray placing station. The feeding module is movably arranged on the machine table and is configured to transfer the antenna located at the receiving station to the variable pitch station; the middle variable-pitch module is arranged on the machine table and located on the variable-pitch station. The tray placing module at least comprises N material taking mechanisms which are arranged at intervals in the first direction, and the N material taking mechanisms place the N antennas of which the intervals are adjusted by the intermediate variable pitch module into target trays in batches; the invention aims to improve the tray placing efficiency.
Owner:GOERTEK INC

Antenna array device

An antenna array device provided, which includes a substrate, multiple antenna elements, a metal ground plate and a first isolation unit group. The multiple antenna elements are disposed on a first surface of the substrate. The multiple antenna elements have a first polarization direction and a second polarization direction opposite to the first polarization direction. The first isolation unit group is disposed between adjacent two of the multiple antenna elements. An arrangement direction of the first isolation unit group is perpendicular to the first polarization direction and the second polarization direction. The first isolation unit group is two isolation units which are adjacent, each of which comprises an outer end and an inner end opposite to the outer end. The inner end is connected to the metal ground plate disposed on a second surface of the substrate via a second via.
Owner:DELTA ELECTRONICS INC(CN)

Communication apparatus, communication method, communication system, electronic device, and storage medium

The invention provides a communication device, a communication method, a communication system, electronic equipment and a storage medium, which are applied to the technical field of communication and are used for solving the problem that the coverage range and the antenna gain of an existing intelligent antenna cannot meet the use requirements of different use environments. The communication device comprises a multiplexer and a plurality of antenna structures. The multiplexer comprises a common end and a plurality of selection ends. The common end of the multiplexer is coupled with one radio frequency channel, and the common end is used for being switched and conducted with different selection ends in the plurality of selection ends to form a plurality of paths. The multiple antenna structures comprise phased-array antennas, the multiple selection ends comprise first selection ends, and the phased-array antennas are coupled with the first selection ends. The plurality of antenna structures further comprise an omnidirectional antenna, the plurality of selection ends further comprise a second selection end, the omnidirectional antenna is coupled with the second selection end, and / or the plurality of antenna structures further comprise a directional antenna, the plurality of selection ends further comprise a third selection end, and the directional antenna is coupled with the third selection end.
Owner:HUAWEI TECH CO LTD

Wireless repeater, control method and program that are suitable for mesh network

To provide a wireless repeater that enables flexible route changes as a node within a mesh network.SOLUTION: The wireless repeater comprises multiple antennas arranged in respective different directions, and is controlled such that one or more first antennas of the multiple antennas are used as donor antennas to receive signals from a base station device or other wireless repeaters, and such that one or more second antennas, which are at least some of the other multiple antennas than the first antennas, are used as service antennas to output amplified signals, so that the signals received via the first antennas are amplified and output to the second antennas.SELECTED DRAWING: Figure 2
Owner:KDDI CORP

Methods and apparatus for implementing antenna assemblies and / or combining antenna assemblies to form arrays

Methods and apparatus for implementing an arrangement of antennas in an apparatus are described. The combining of antennas and related components using Ball Grid Array (BGA) technology and various spacing / heat routing techniques allows for a group of antennas and related ICs to be implemented as a printed circuit board mountable package. Multiple antenna packages can be mounted on a printed circuit board to allow for different numbers of antennas to be included in a device depending on communications needs. The antenna package is well suited for mm-wave applications.
Owner:MIXCOMM INC

Method for simultaneous multi-panel pucch

An apparatus includes means for determining to use a set of transmit antenna arrangements for spatial division multiplexing or single frequency network based simultaneous transmission across multiple antenna arrangement physical uplink shared channel transmission; and means for determining to use the set of transmit antenna arrangements for a physical uplink control channel resource transmission, in response to two different transmission configuration indicator states being indicated and the apparatus being configured to apply physical uplink shared channel precoding for simultaneous transmission across multiple antenna arrangement physical uplink shared channel transmission.
Owner:NOKIA TECHNOLOGIES OY

Spatial metric based mobility procedures using multi-port mobility reference signals

Methods, systems, and devices for wireless communications are described. In some wireless communications systems, a user equipment (UE) and a network entity may utilize multi-port mobility reference signals to assist with spatial based mobility procedures. The UE may receive a reference signal that is associated with multiple antenna ports. The UE may measure a multi-dimensional channel response based on the reference signal. The multi-dimensional channel response may be associated with measured channel metrics corresponding to the multiple antenna ports. The UE may transmit a report that includes a channel measurement vector based on the multi-dimensional channel response. The channel measurement vector may indicate multiple measured channel metrics for one or more dimensions of the multi-dimensional channel response. The network entity may transmit a message that indicates one or more metrics associated with mobility management for the UE based on the report that indicates the channel measurement vector.
Owner:QUALCOMM INC

Spatial multiplexing by backscatter device with multiple antennas

Certain aspects of the present disclosure provide techniques for wireless communications. One example method includes receiving, from a backscatter device, a spatial multiplexing capability report; transmitting, to the backscatter device, a reference signal reflection configuration; and transmitting, to the backscatter device, a transmission grant for a backscatter link.
Owner:QUALCOMM INC

Massive MIMO interference suppression receivers aided by network signaling

Embodiments of the present disclosure relate to a base station and method for communication in a communication network. The method comprising signalling a DMRS-configuration or SRS-configuration to at least one UE. The DMRS-configuration comprises signalling at least one antenna port number from multiple antenna port numbers, each antenna port number indicates location of occupied subcarriers and null subcarriers associated with a DMRS transmission of the at least one UE. The SRS-configuration comprises signalling of parameters associated with a time, a frequency and a code. The method also comprises receiving a data and DMRS signals, or SRS signals corresponding to the at least one UE. Further, grouping a subset of the signals corresponding to a subset of antennas to generate a plurality of signal groups. Next, performing first stage filtering at RU followed by second stage filtering at DU of the signals associated with each signal groups to obtain filtered signals.
Owner:WISIG NETWORKS PTE LTD

Reference signal pattern association for channel estimation

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a control signal configuring a low-density pattern for channel state information (CSI) reference signal (RS) reception for a set of multiple antenna ports. The low-density pattern may indicate a subset of the set of multiple antenna ports for the CSI-RS reception via one or more resource blocks (RBs). The UE may receive a set of multiple CSI-RSs that is based on the low-density pattern. In some cases, the UE, or some other training device, may train an artificial neural network to process the CSI-RSs according to the low-density pattern. The artificial neural network may be an example of a generalized neural network or a neural network specific to one or more low-density patterns. The UE may transmit a CSI report based on processing the CSI-RSs according to the low-density pattern.
Owner:QUALCOMM INC

System and multi-layer MIMO antenna

Devices and systems for increasing the gain and / or offering multiple antenna frequencies while conserving space on the antenna are provided. According to various aspects of the technology, panels with antenna elements are stacked to create a MIMO antenna array with more antenna elements while conserving space. In some aspects, the antenna elements are the same size and produce the same frequency while their physical configuration increases the gain of the antenna. In alternative aspects, the antenna elements are different sizes and produces different frequencies such that the antenna offers a greater variety or bandwidth of frequencies while conserving physical space on the antenna (i.e., maximizing a total quantity of antenna elements associated with the antenna). Using an antenna system and device with an increased quantity of antenna elements increases one or more of the system capacity, data rates, reliability, gain, coverage range, and the like.
Owner:T MOBILE INNOVATIONS LLC

Target tracking method and device, electronic equipment and computer readable medium

The embodiment of the invention discloses a target tracking method and device, electronic equipment and a computer readable medium. The method comprises the following steps: scanning by adopting layered wave beams to position targets, the targets comprising newly added targets and known targets; echo signals of a target are received through the multiple antenna arrays, and motion parameters of the target are determined based on the echo signals received by the antenna arrays; fusing the determined motion parameters, and determining the track of the target based on the fused motion parameters; and determining the position of the target at the next moment based on the track. According to the embodiment, the target tracking efficiency and accuracy are improved, and the power consumption of the base station is reduced.
Owner:CHINA TELECOM CORP LTD

Dynamic power budget allocation using individualized MTPL per radio link for uplink transmission

This application describes methods and apparatus to allocate uplink (UL) power dynamically across multiple parallel radio frequency links for wireless devices. The wireless device sets an initial maximum transmit power level (MTPL) for each UL radio link of multiple radio links used for UL traffic based on a duty cycle prediction for the respective UL radio link. The wireless device adjusts the initial MTPL for each UL radio link based on a predicted data throughput for the UL radio link relative to a total predicted data throughput for all UL radio links. The adjusted MTPL for each UL radio link can be also reduced when the UL radio link uses UL multiple input multiple output (MIMO) transmission via multiple antenna ports, e.g., by apportioning the adjusted MTPL among the multiple antenna ports of the UL radio link equally.
Owner:APPLE INC

Resource allocation for multi-panel simultaneous pusch transmission

Methods and apparatuses for using a single downlink control information (DCI) and supporting simultaneous transmission simultaneous Physical Uplink Shared Channels (PUSCHs) using multiple user equipment (UE) antenna panels are described. In some embodiments, a baseband processor is configured to perform operations comprising: receiving an RRC configuration information from a base station, wherein the RRC configuration information comprises an uplink transmission scheme using multiple antenna panels for transmitting multiple PUSCHs simultaneously using the plurality of the UE antenna panels, wherein the uplink transmission scheme using multiple antenna panels comprises transmission of a single transport block (TB) without repetition, transmission of a single TB with repetition, or transmission of a plurality of TBs, based on a user equipment (UE) capability; receiving a single downlink control information (DCI) that specifies an uplink resource allocation for a plurality of Physical Uplink Shared Channels (PUSCHs); and transmitting the plurality of PUSCHs.
Owner:APPLE INC

Multiple antenna feed for time division duplexing filter bypassing in receive carrier aggregation

An apparatus, including: a first antenna port; a first set of one or more band filters coupled to the first antenna port; a first set of one or more low noise amplifiers (LNAs) coupled to the first set of one or more band filters, respectively; a second antenna port; a second band filter; a second low noise amplifier (LNA); a first switching device coupled between the second antenna port and the second LNA; and a second switching device coupled between the second antenna port and the second band filter.
Owner:QUALCOMM INC

Radio frequency processing circuit, signal processing method and radio frequency processing equipment

The embodiment of the invention provides a radio frequency processing circuit, a signal processing method and radio frequency processing equipment, which are applied to the technical field of communication. The radio frequency processing circuit comprises a radio frequency channel, a plurality of power dividers and a channel detection channel. And the combining ends of the plurality of power dividers are correspondingly coupled with the plurality of antenna array elements. The first branching ends of the plurality of power dividers are coupled with the input end of the radio frequency channel. And the second branching ends of the plurality of power dividers are coupled with the input end of the channel detection channel. The plurality of power dividers are used for acquiring a plurality of corresponding radio frequency signals from the plurality of antenna array elements, and performing branching processing on the plurality of radio frequency signals to obtain a plurality of first radio frequency data signals and a plurality of radio frequency reference signals. The radio frequency channel is used for inputting a plurality of first radio frequency data signals. The channel detection channel is used for inputting a plurality of radio frequency reference signals. The plurality of radio frequency reference signals are used for obtaining antenna array element level channel information. According to the embodiment of the invention, the wave beam round robin time during full-airspace coverage can be reduced, and the performance loss of a network system is reduced.
Owner:HUAWEI TECH CO LTD

System and method for time-delay based hybrid beamforming

A method includes determining one or more delay values and one or more phase shift values for generation of multiple desired frequency-dependent analog beams. The method also includes configuring one or more true-time delay (TTD) elements and one or more phase shifters of a transceiver based on the one or more delay values and the one or more phase shift values, the transceiver having one or more radio-frequency (RF) chains connected to multiple antennas via the one or more TTD elements and the one or more phase shifters. The method also includes operating the transceiver to generate the multiple desired frequency-dependent analog beams.
Owner:SAMSUNG ELECTRONICS CO LTD

Automatic antenna cap assembling mechanism

The invention relates to the related field of interphone antenna production, in particular to an automatic antenna cap assembling mechanism which comprises an antenna conveying disc, a cap conveying disc, an antenna positioning frame, a cap positioning frame, a pressing assembly, a dispensing assembly, a feeding mechanism, a taking mechanism, a guiding mechanism and the like. A plurality of cap positioning frames are arranged on the cap conveying disc so as to convey a plurality of caps at the same time, glue is guided into the caps through the dispensing assembly, a plurality of antennas can be conveyed at the same time through the antenna positioning frames on the antenna conveying disc, and then the antennas are pressed into the caps through the pressing assembly. According to the antenna assembling device, the antenna positioning frames and the cap positioning frames are arranged, so that when one group of antennas and caps are taken out, the other group of antennas and caps can be synchronously assembled, the assembling process is more continuous, and the working efficiency can be improved.
Owner:FUJIAN BAOFENG ELECTRONIC CO LTD

Co-phasing factor indication in downlink control information

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive downlink control information that identifies multiple precoder indicators and at least one co-phasing factor indicator for generating a co-phased joint transmission using multiple antenna panels. The UE may determine precoders for the multiple antenna panels based at least in part on the multiple precoder indicators and the at least one co-phasing factor indicator. The UE may communicate by joint transmission using the multiple antenna panels according to the determined precoders. Numerous other aspects are provided.
Owner:QUALCOMM INC

Wireless communication with interference mitigation

In one implementation, a wireless communications terminal includes a multi-element antenna. In addition, the terminal includes preliminary signal combiners to combine received signals output by corresponding pairs of antenna elements. For each preliminary signal combiner, the signal output by a first of the pair of elements provides a model of interference present in the received signal output by the second of the pair of elements. The preliminary signal combiner is configured to combine the signal output by the first element with the signal output by the second element to produce an initial interference-mitigated signal. The terminal also includes phase shifters to apply complex weights to interference-mitigated signals to produce complex-weighted versions of the interference-mitigated signals and effectively steer a main beam of the antenna to facilitate reception of a desired signal and another signal combiner to combine the complex-weighted versions of the interference-mitigated signals to produce an interference-mitigated output signal.
Owner:IRIDIUM SATELLITE LLC

Apparatus and method for performing transmission and reception of SRS on basis of plurality of symbols in wireless communication system

A method, according to the present disclosure, comprises receiving, from a base station, SRS configuration information, repeating an operation of transmitting the SRS to the base station every N consecutive symbols in a first frequency domain, L times, and repeating an operation of transmitting the SRS to the base station every N consecutive symbols in a second frequency domain, L or M times. The transmission of the SRS is related to multiple antenna ports within the UE, and time resource domains related to the multiple antenna ports do not overlap with each other and are allocated within the N consecutive symbols.
Owner:LG ELECTRONICS INC

Millimeter wave end-fire horizontal polarization broadband wide-angle scanning phased antenna array and equipment

The invention discloses a millimeter wave end-fire horizontal polarization broadband wide-angle scanning phased antenna array and equipment. The array comprises a lower-layer metal surface, a middle metal surface, an upper-layer metal surface, metal through holes, metal blind holes and a feed port, a radiator of the antenna array is composed of rectangular annular patches which are arranged at the front ends of an upper-layer metal surface and a lower-layer metal surface and are provided with concave U-shaped structures, and opening gaps which are etched at the central positions of the front ends of the upper-layer metal surface and the lower-layer metal surface of the substrate integrated waveguide; a plurality of antenna units in the antenna array feed independently through a plurality of feed ports and regulate and control an excitation phase; the metal blind hole is connected with the substrate integrated coaxial line; the substrate integrated coaxial line is composed of a substrate integrated waveguide and a transmission line located on a middle metal face. The substrate integrated waveguide is composed of two layers of dielectric substrates, a bonding layer, an upper-layer metal surface, a lower-layer metal surface and metal through holes. According to the invention, the broadband and wide-angle phase control scanning performance of the array beam in the plane where the array is located is realized.
Owner:SOUTH CHINA UNIV OF TECH