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Time and frequency acquisition and tracking for OFDMA wireless systems
Obtaining a timing reference in wireless communication is facilitated when desiring to communicate with a weak serving base station (such as an evolved NodeB)...
Transmission of data to multiple nodes
Methods and systems are described for determining and transmitting at least one orthogonal frequency division multiplexing (OFDM) symbol that may comprise data...
Test system and a test method for determining processing parameters of
audio and/or video data
The test system according to the invention for determining processing parameters of audio and/or video data in a mobile-radio device with a test device (10)...
HARQ acknowledgment channel coding for 4-carrier HSDPA MIMO
In accordance with the exemplary embodiments of the invention there is at least a method, computer program, and apparatus for operating a receiver using at...
Method for transmitting control information in wireless communication
system and apparatus therefor
A method for receiving Acknowledgement/Negative Acknowledgement (ACK/NACK) information at a base station in a wireless communication system. The method...
Method for transmitting control information in wireless communication
system and apparatus therefor
A method for transmitting ACK/NACK (Acknowledgement/Negative ACK) signals in a wireless communication system is disclosed. The method comprises receiving a...
Transmission device and distortion compensation method
A storage unit stores a first lookup table including a plurality of correction coefficients for I codes, and stores a second lookup table including a plurality...
Communication apparatus for communicating data conveyed by a plurality of
A communication apparatus for communicating data conveyed by a plurality of transport channels, the data of the transport channels being multiplexed into at...
Transmission method, transmission apparatus, reception method and
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...
Communication method, information processing apparatus, and recording
A communication method executed by an information processing apparatus capable of transmitting data to another information processing apparatus, the method...
Limited wavelength all-to-all wavelength routing network configuration
A network configuration provides arbitration-free all-to-all connection between the nodes of the network utilizing wavelength routing devices and utilizing a...
Compact multi-channel WDM devices for high-speed data communications
Techniques for designing compact free-space optical device with all input/output ports on one side are disclosed. Instead of folding a fiber, a beam folding...
Communication system, control device, forwarding node, communication
control method, and program
A communication system includes a control device that determines packet processing rules; a forwarding node that processes a received packet using a processing...
Systems and methods for delivering contextually relevant media content
stream based on listener preference
The present disclosure provides a system for delivering contextually relevant streaming media content embodied in a mobile device, wherein the media stream...
Broadband integrated single ended to differential active balun with an
n-Way power splitter, DC power shutdown...
An apparatus comprising a switch, a balun and a splitter. The switch may be configured to provide (i) a first signal on a first path when a power signal is not...
Methods for calibrating receive signal strength data in wireless
A wireless electronic device may include wireless communications circuitry and processing circuitry. The wireless communications circuitry may receive...
Near field communication apparatus
An apparatus comprising: a transducer suitable for generating an acoustic sound pressure wave being configured to: magnetically couple the apparatus to a...
Optically powered media converter
An optically powered media conversion device for performing optical to electrical conversion is disclosed. The conversion device includes at least one optical...
Quantum communication network
A quantum communication system comprising a receiver and a plurality of transmitters, said receiver comprising a detector sub-system, each of said transmitters...
Frequency offset estimation circuit and frequency offset estimation method
A frequency offset estimation circuit estimates a frequency offset that indicates a difference between a carrier frequency of a received optical signal and a...
Optical network unit
The present invention provides an apparatus, in particular an optical network unit, which comprises a first part operably coupled to an arm of an optical fiber...
Simulcast mesh dimmable illumination source
An LED illumination device is configured to receive coded messages by at least one of radio signals in free space, electrically conducted signals by wire, and...
Identifying a location in a network where noise is generated
Configurations and processes for detecting a location at which noise is being generated in a network are disclosed. A device for identifying a location in a...
Method and device for determining whether a configuration of an optical
transmission interface has to be adjusted
A method for determining whether a configuration of an optical transmission interface of a first device has to be adjusted for transmitting an optical signal to...
Diagnostic port for inter-switch link testing in electrical, optical and
remote loopback modes
A diagnostic testing utility is used to perform single link diagnostics tests including an electrical loopback test, an optical loopback test, a link traffic...
Multibeam coverage for a high altitude platform
Multibeam coverage for a high altitude platform is disclosed. An example apparatus includes a plurality of antennas configured to provide communication coverage...
Unmanned air vehicle with autonomous air traffic control communications
An exemplary method is implemented by an unmanned air vehicle (UAV) for providing voice communications to an air traffic control (ATC) station. Two-way first...
Wireless communication system
A wireless communication system includes a wireless base station, a mobile station configured to communicate with the wireless base station, and a relay station...
Method for configuring multiple antennas and related wireless
A method for configuring a plurality of antennas in a wireless communication device, including using at least a plurality of representative antennas of the...
Terminal station apparatus, base station apparatus, transmission method
and control method
A terminal apparatus is disclosed wherein even in a case of applying SU-MIMO and MU-MIMO at the same time, the inter-sequence interference in a plurality of...
Native medium access control support for beamforming
Apparatuses, systems, and methods that enable native MAC support of beamforming are contemplated. An embodiment may comprise a mobile computing device, such as...
Method and device for performing codebook processing on channel
A method and a device for performing codebook processing on channel information are described, wherein channel information obtained by channel estimation is...
Method and apparatus for transmitting demodulation pilots in a multi
antenna wireless communication system
Multiple antennas employed at transmitting and receiving nodes can significantly increase a MIMO system capacity, especially when the geometry of the receiving...
Method and precoder information feedback in multi-antenna wireless
A method for two component feedback in wireless communication systems is disclosed, with a wireless communication device sending a first representation of a...
Method for codebook enhancement for multi-user multiple-input
A wireless terminal is capable of receiving a pilot signal from a base station; and determining a precoding matrix as a linear combination of two matrices...
Method and apparatus for channel state information feedback in a
coordinated multi-point communication system
A method of operating a wireless communication system (FIG. 4) is disclosed. The method includes receiving a plurality of reference signals from a respective...
Method and device for data transmission
Disclosed in the present invention is a method for data transmission. The method comprises the following steps: receiving coded bit streams; mapping said coded...
Signal processing apparatus, signal processing method, and signal
To obtain a high-quality enhanced signal, there is provided an apparatus including a transformer that transforms a mixed signal, in which a first signal and a...
Wireless communication link using near field coupling
A memory device may include an array of closely spaced memory integrated circuits that communicate wirelessly over at least two frequencies using near field...
Data exchange initiated by tapping devices
A user can initiate the transmission of data on a mobile device by making physical contact with another device. The physical contact can be any type of physical...
Apparatus, system, and method of wirelessly transmitting and receiving
data from a camera to another electronic...
A wireless media player and a related system and methodology are disclosed. One aspect of the wireless media player system pertains to a virtual connector...
On cell/finger assignment for reduced cell delay spread
Methods and apparatus for wireless communications are described. A method of wireless communications includes determining an energy for a first signal received...
Methods and systems for mitigating signal interference
A received signal that includes a target signal and an interference signal is sampled in space and time and then filtered into a matched-filtered signal and...
Training sequences and channel estimation method for spread spectrum based
A method of a transmitter, includes multiplying a data sequence by a first code, and multiplying a training sequence by a second code that is orthogonal to the...
RF device and method with improved active load modulation capability
There is described an RF bidirectional communication device utilizing active load modulation, the device comprising (a) a resonance circuit including an antenna...
Method for simplified closed-loop antenna tuning
A method of closed-loop antenna tuning (CLAT) search strategy based on maximum Relative Transducer Gain (RTG) is proposed. A search region that account for TX...
Circuits and methods for generating oscillating signals
Embodiments of the present invention may be used to generate oscillating signals. One embodiment of the present invention includes a circuit that receives a...
Radio communication apparatus, radio communication system, and radio
A radio communication apparatus includes antennas, transceiver units respectively connected to the antennas, and a radio control unit that controls the...
Soft changing of mobile communication system
A subscriber identity is changed for a mobile terminal (10) through the initiation of a sending of an instruction to the mobile terminal (10), via a first...
Wireless communication system and communication device
In a wireless communication system, transmitters that transmit data, receivers that receive data, and repeaters that relay data communicate with one another in...