|| List of recent Antenna-related patents
| Signal generating apparatus and signal generating method|
In a multi-antenna communication system using ldpc codes, a simple method is used to effectively improve the received quality by performing a retransmittal of less data without restricting applicable ldpc codes. In a case of a non-retransmittal, a multi-antenna transmitting apparatus transmits, from two antennas, ldpc encoded data formed by ldpc encoding blocks.
| Vehicle-mounted communication device and navigation device|
A vehicle-mounted communication device includes wireless units 3a and 3b that switch a frequency that performs wireless communication with antennas 2a and 2b between a frequency for wireless communication for its and a frequency for wireless lan communication, a parking determination unit 6 that determines whether or not a vehicle is parked, a parking position storage unit 6a that stores as a parking position a position where it is determined that the vehicle is parked by the parking determination unit 6, and a wireless control unit 4 that controls the wireless units 3a and 3b to perform the wireless communication for its with the antennas 2a and 2b when the vehicle is running, and switch the wireless communication for its or the wireless lan communication to be performed with the antennas 2a and 2b on the basis of the parking position stored in the parking position storage unit 6a when the vehicle is parked.. .
| Communication system, apparatus and method|
A communication system, apparatus and method are provided according to embodiments of the present invention. The communication system includes: a base band unit (bbu), at least two antennas and at least two radio-frequency (rf) units, where the at least two rf units are connected with the bbu respectively; and each of the antennas is connected with at least two rf units respectively, so that a signal received from a same sector by an antenna is sent to the bbu via different rf units.
| Electronic device having adaptive filter circuitry for blocking interference between wireless transceivers|
An electronic device may include radio-frequency transceiver circuitry and antenna structures. The radio-frequency transceiver circuitry may transmit signals for the antenna structures that pass through electrical components such as switches.
| Method and system for utilizing smart antennas in establishing a backhaul network|
A method and system for utilizing smart antennas in transmission of messages between nodes are disclosed. A wireless communication system includes a plurality of nodes, and each node is capable of being connected to each other node.
| Combination of steering antennas, cpl antenna(s), and one or more receive logarithmic detector amplifiers for siso and mimo applications|
Logarithmic detector amplifiers (ldas), multiple antennas, active antennas, and multiple active antennas and receivers are provided in a variety of configurations that are synchronized to reduce or eliminate interference so at to provide, a greater range and bandwidth between wireless routers and their clients in wlan and wan environments.. .
| Integrated circuit with antenna for dielectric waveguide|
A system includes an integrated circuit that has a substrate with a top surface and a bottom surface. Semiconductor circuitry is including a radio frequency (rf) amplifier configured to produce an rf signal or an rf receiver configured to receive an rf signal is formed on the top surface of the substrate.
| Dielectric waveguide with director elements|
A system includes an electronic device coupled to a mating end of a dielectric wave guide (dwg). The electronic device has a multilayer substrate that has an interface surface configured for interfacing to the mating end of the dwg.
| Integrated circuit with dipole antenna interface for dielectric waveguide|
An electronic device has a multilayer substrate that has an interface surface configured for interfacing to a dielectric waveguide. A conductive layer on the substrate is etched to form a dipole antenna disposed adjacent the interface surface to provide coupling to the dielectric waveguide.
| Perturbation-based dynamic measurement of antenna impedance in real-time|
Devices and methods are disclosed for real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a receiver. Processing logic is operable to solve multiple non-linear equations to determine the reflection coefficient of the antenna.
| Radiation redirecting elements for portable communication device|
An antenna or set of antennae for a wireless device is provided by embedding the antennae into the battery case or generally the surface area of a wireless phone. The antenna connections are through the battery's connections to the wireless device.
| Antenna system of mobile communication base station|
The present invention is an antenna system of a mobile communication base station, comprising: a signal separation unit which is arranged within a radome of an antenna, and which separates a synthetic signal of a wireless signal transmitted from a main system of a base station through a feeder cable, a direct current power signal and a control signal having a preset format for controlling the antenna, in such a manner that the direct current power signal and the control signal are output by being separated from the wireless signal and the wireless signal is provided to an antenna unit; and equipment to be remotely controlled having a modem for receiving the direct current power signal and the control signal output from the signal separation unit and using the direct current power signal as an operating power and converting the control signal into a format which is preset to be internally recognizable in the radome of the antenna, the equipment to be remotely controlled performing an antenna control operation according to a control signal.. .
| Method and apparatus for determining statistics for direction of departure|
A method (200) for determining statistics for the direction of departure between a ue and a base station. The method (200) comprises receiving measurement reports from the ue on the strength of signals in the ue from one or more of the cells served by the base station, and for one pair of cells served by the base station, determining (220) whether or not the ue was limited in measuring the strength of the signals, and, if the ue was limited, determining (230) said statistics using the signal strengths from the cells in the pair, the cells' antenna gain towards the ue and the maximum difference between the signal strengths from the cells in the pair, and if the ue was not limited, determining (225) said statistics using the signal strengths from the cells in the pair and differences in the cells' antenna gain towards the ue..
| Signal enhancement for load modulation|
Systems and methods are provided for enhancing a signal for load modulation from reading a smartcard. According to such methods, an antenna signal is generated by transceiver circuitry.
| Battery pack with antenna|
Provided is a battery pack including a battery cell; a ferrite layer at a side surface of the battery cell; a film antenna at a side surface of the ferrite layer; and a reinforcement layer between the battery cell and the ferrite layer.. .
| Extremely high frequency (ehf) distributed antenna systems, and related components and methods|
Extremely high frequency (ehf) distributed antenna systems and related components and methods are disclosed. In one embodiment, a base unit for distributing ehf modulated data signals to a rau(s) is provided.
| Efficient method for determining a preferred antenna pattern|
Aspects of the present disclosure propose a method for determining preferred transmit and receive antenna patterns of a wireless device with respect to another wireless device. The method generally includes determining the beamforming or calibrating coefficients corresponding to the preferred transmit and receive antenna patterns of a wireless device iteratively..
| Satellite communication having distinct low priority information broadcast into adjacent sub-regions|
A satellite communication system using hierarchical modulation to transmit a plurality of modulated signals to sub-regions within a region. Each modulated signal includes high priority content and low priority content.
| Codebook subsampling for pucch feedback|
A method in a mobile communication terminal includes holding a definition of a sub-sampled codebook identifying precoding matrices to be used for providing precoding feedback by the terminal the precoding matrices in the sub-sampled codebook are selected from a master codebook that is made-up of a long-term sub-codebook and a short-term sub-codebook. The definition defines a first subset of the long-term sub-codebook and a second subset of the short-term sub-codebook.
| Multi-antenna transmitter for multi-tone signaling|
Embodiments of a communication circuit are described. This communication circuit includes an input node to receive a set of data symbols and a partitioner coupled to the input node.
| Wireless link apparatus|
A wireless link apparatus includes a plurality of antennas; a signal detector configured to calculate snr based on a signal received from at least one of the plurality of antennas; and a mode selector configured to determine the number of an antenna to be used in modulation method and signal transmission by comparing the calculated snr with a preset critical value. Further, the wireless link apparatus includes a transmitter configured to modulate a signal in the modulation method determined by the mode selector and transmit the modulated signal using an antenna corresponding to the determined number of the antennas..
| Interference reduction of multiple signals|
The present invention reduces the degradation in performance of one or more radio signals that are co-transmitted with a first radio signal from the same transmitting antenna in the same frequency channel and received by the same antenna due to multipath or other shared interference, where the one or more radio signals can be separated from the first radio signal. All received signals are coupled to the same adaptive array or adaptive filter to reduce multipath or other shared interference of the first radio signal, which reduces multipath and other shared interference in the other radio signals before they are separated and processed by their respective receivers, or the individual radio signals are separated before the first signal enters the adaptive array and coupled to a slave weighting network slaved to the weights of the adaptive array of the first signal to reduce interference in all the signals..
| Method and apparatus to provide hidden node protection|
A method and a wireless communication device to overcome a hidden node problem in a bss. The method includes detecting that transmitting one or more data frames causing one or more nodes of an unsynchronized wireless communication network to become hidden nodes.
| Apparatus and method for allocating channel state information-reference signal in wireless communication system|
Embodiments of the present invention relate to a wireless communication system, and more particularly, to a technology for allocating a channel state information-reference signal (csi-rs) in a wireless communication system. Embodiments of the present invention provides an apparatus and method for allocating csi-rss to resource areas, in which, under the condition of a subframe in which the cp is an extended cp, and the duplex scheme is tdd, if csi-rss for maximum 8 antenna ports are allocated, the csi-rss are allocated to the 8th and 9th symbols (symbol no.
| Method and apparatus for detecting control channel in wireless communication system|
Provided are a method for searching for a control channel by a terminal in a wireless communication system and a terminal for using the method. The method determines whether an allocation unit constituting an enhanced-physical downlink control channel (e-pdcch) is one or plural in number; and, if the allocation unit constituting the e-pdcch is plural in number, searches for the e-pdcch using a user equipment specific reference signal (urs) of an antenna port defined in one allocation unit from among the plurality of allocation units..
| Efficient uplink transmission of channel state information|
A user equipment in a wireless communication network includes a multiplicity of antennas, from which a subset of antennas is selected using a selection scheme synchronized to the network. A set of sub-carriers is selected from a plurality of sub-carriers using a selection scheme synchronized to the network.
| Remotely reconfigureable distributed antenna system and methods|
The present disclosure is a novel utility of a software defined radio (sdr) based distributed antenna system (das) that is field reconfigurable and support multi-modulation schemes (modulation-independent), multi-carriers, multi-frequency bands and multi-channels. The present disclosure enables a high degree of flexibility to manage, control, enhance, facilitate the usage and performance of a distributed wireless network such as flexible simulcast, automatic traffic load-balancing, network and radio resource optimization, network calibration, autonomous/assisted commissioning, carrier pooling, automatic frequency selection, frequency carrier placement, traffic monitoring, traffic tagging, pilot beacon, etc..
| Beamforming with phase compensation|
A method and a base station for phase compensation in beamforming in a multi-antenna time division duplex (tdd) communication network. In a first transmission mode, the base station estimates a first phase shift between a first antenna port and a reference antenna port in uplink based on a measurement of a first sounding reference signal (srs).
| Method and apparatus for transmitting reference signal for reducing intercell interference in multiple input multiple output communication system|
According to one embodiment, a method for receiving a channel state information-reference signal (csi-rs) for measuring a channel includes: receiving csi-rss on resource elements (res) in a subframe configured for the csi-rss from a base station, wherein if each csi-rs of the received csi-rss is transmitted from each of four or more transmit antenna ports of the base station, at least two res on which each csi-rs is received are associated with each of the four or more transmit antenna ports; and transmitting channel state information based on the received csi-rss.. .