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Patent Searching and Data


Matches 451 - 500 out of 34,606

Document Document Title
WO/2013/098344A1
Problems arising from a pre-emphasis filter, particularly an infinite-impulse-response filter, in a signal modulator are solved by detecting sequences of the same bit or symbol in a modulation signal and compensating the corresponding d....  
WO/2013/100005A1
Provided is a communication system with which highly reliable communication with low loss is implemented even in an inferior noise environment. The communication system (1) comprises a transmission unit (2), a receiving unit (3), and a s...  
WO/2013/101924A1
Multiple level signals are constructed from more than one level of component sequences each having correlation properties. A receiver (18) receives the multiple level signal. A signal detector (66) in the receiver performs correlation or...  
WO/2013/097071A1
Systems, apparatus, articles, and methods are described including operations to communicate synchronization notifications between a co-processor graphic data producer and a co-processor graphic data consumer via a direct link without pas...  
WO/2013/101200A1
In some embodiments, a differential amplifier with duty cycle correction is provided.  
WO/2013/095335A1
Some embodiments include a first differential signal pair and a second differential signal pair. The first and second differential signal pairs are arranged relative to each other in a manner to intentionally reduce or cancel crosstalk i...  
WO/2013/093171A1
The exemplary embodiments of this invention improve channel state information (CSI) feedback quality from a user equipment (UE) by using two different reference signals, such as cell-specific reference signals(CRS) and channel state info...  
WO/2013/095768A2
Methods are provided for mitigating interference due to pilot contamination in a cellular network in which there is reuse of pilot signals. In embodiments, forward- link signals are precoded, using knowledge of slow-fading coefficients, ...  
WO/2013/095228A1
A method in a first radio network controller, RNC, (105, 405) for handling a reuse of a scrambling code in a cellular network (100) is provided. The first RNC (105, 405) defines a set of scrambling codes. Each scrambling code in the defi...  
WO/2013/093336A1
The invention relates to a method for communicating between at least one first system (2) and at least one second system (3) via a full-duplex synchronous serial link (4) capable of simultaneously routing data between said systems (2, 3)...  
WO/2013/095768A3
Methods are provided for mitigating interference due to pilot contamination in a cellular network in which there is reuse of pilot signals. In embodiments, forward- link signals are precoded, using knowledge of slow-fading coefficients, ...  
WO/2013/095449A1
Systems and methods provided may involve arranging a first differential pair and a second differential pair and adjusting spacing arrangements between the first differential pair and the second differential pair to minimize crosstalk.  
WO/2013/096295A1
Method and apparatus for transmitting combined power and data. In one embodiment, the apparatus comprises an isolation barrier; a drive controller for generating a first waveform comprising a plurality of data signals for transmitting di...  
WO/2013/093274A1
The invention relates to a method for a transmitter device comprising M transmitting antennas to transmit to a receiving device comprising N+C receiving antennas, M, N and C being integers no lower than 1, including: a step (E10) of spat...  
WO/2013/088173A1
This application relates to methods and apparatus for transfer of multiple digital data streams, especially of digital audio data over a single communications link such as a single wire. The application describes audio interface circuitr...  
WO/2013/089743A1
Described herein are an apparatus, system, and method for generating pulse modulated (PWM) signals. The apparatus (e.g., input-output transmitter) comprises: an edge detector to detect one of a rising or falling edges of a clock signal; ...  
WO/2013/088174A1
This application relates to methods and apparatus for transfer of multiple digital data streams, especially of digital audio data over a single communications link such as a single wire. The application describes audio interface circuitr...  
WO/2013/089773A1
Described herein are apparatus, system, and method for improving output signal voltage swing of a voltage mode transmitter (Tx) driver. The Tx driver may use a single power supply which is the same as the power supply of the core process...  
WO/2013/085451A1
A transmitting node uses different reference signal sequences for different types of enhanced control channels. An example method begins with generating (1410) a first reference signal sequence, from a first initialization value, and gen...  
WO/2013/085811A1
A receiver integrated circuit is disclosed that includes a filter and a linear equalization circuit. The filter has an input to receive a signal symbols a main tap and a pre-cursor tap to reduces a pre-cursor ISI acting on the data symbo...  
WO/2013/084517A1
This signal transmission circuit that transmits signals via an insulating element is provided with: a pulse conversion means, which receives input signals, and converts the input signals into pulse signals; a thin film transformer, which...  
WO/2013/084329A1
Provided are: a multiplex communication system capable of reducing power consumption for signal transmission using a data transmission method when transmitting; a transmission device; and a receiving device. When a state-transition detec...  
WO/2013/085568A1
An embodiment of a method for decoding is disclosed. For this embodiment of the method, a decoder is limited (301) to a set number of iterations for a decoding sequence. The set number of iterations is selected to be less than an optimal...  
WO/2013/078587A1
Disclosed in the embodiments of the present invention is a method for adjusting predistortion coefficients, and the method comprises: adjusting the predistortion coefficients corresponding to the transmission power set currently for a tr...  
WO/2013/080086A1
Demodulation methods and apparatus for a multi-stage SLI demodulator are disclosed. Residual signals from each demodulation stage are modeled as finite sets of unresolved signals and a new metric is introduced for use in search of best c...  
WO/2013/078897A1
The present invention relates to a packet decoding method for an aircraft communication addressing and reporting system (ACARS), the packet comprising a packet header and a packet body; the method comprises the following steps: acquiring...  
WO/2013/078995A1
A downlink channel estimation method and system, and a mobile terminal. In the method, a first mobile terminal is located in a central area of a cell, a second mobile terminal is located in an edge area of the cell, and a resource block ...  
WO/2013/079192A1
This method for the estimation of a channel between an emitter and a receiver, where the said emitter emits a signal comprising symbol frames distributed in time and frequency, among which pilot symbols known to the receiver, is characte...  
WO/2013/078854A1
Disclosed are a signal detection method and device in VAMOS mode. The method comprises: receiving multiple multi-user signals, and performing space-time interference rejection for several times on the multiple multi-user signals to obtai...  
WO/2013/079094A1
A method (10) of converting an optical communications signal having a differentially encoded multilevel modulation format into communications traffic bits, the multilevel modulation format having a plurality, N, of constellation points, ...  
WO/2013/077507A1
An apparatus and a method of compensating for an I/Q imbalance in a direct up-conversion system prevents the performance of the system from being deteriorated by efficiently compensating for an I/Q timing skew, an I/Q phase imbalance, an...  
WO/2013/077577A1
The present invention relates to a clock-embedded or source synchronous semiconductor transmitting and receiving apparatus and to a semiconductor system including same. The semiconductor apparatus according to one embodiment of the prese...  
WO/2013/075616A1
Provided are a method, device and system for interference alignment, which belong to the technical field of wireless communications and reduce the complexity of encoding and decoding of an interference signal performed by a signal receiv...  
WO/2013/074031A1
A UE and an RBS, operable in a wireless communication system employing OFDM, for transmitting/receiving a subframe comprising at least two RSs from the UE to the RBS is provided. The system employs CS in a frequency domain, and the UE su...  
WO/2013/074271A1
An OFDM communication system performs time domain channel estimation responsive to received symbols before the symbols are processed by a fast Fourier transform. The communication system generates virtual pilots from actual pilots to imp...  
WO/2013/074159A1
A system and method for a radio controlled clock receiver adapted to extract timing and time information from a phase modulated signal. The official time signal is broadcast from a central location using a modulation scheme that adds pha...  
WO/2013/074830A1
A method and apparatus is disclosed herein for scheduling over ODFM via interference alignment based on multipath intensity profile information. In one embodiment, the method comprises grouping user terminals into groups based on their m...  
WO/2013/071759A1
Disclosed are a method, an apparatus, a receiver, and a communication device for estimating phase noise, and wherein the method comprises the following steps: obtaining the sending symbol ã(k) which is corresponding to the equalized sym...  
WO/2013/071270A1
In an example, a high-speed pre-driver (400) and voltage level converter (405) with built-in de-emphasis (415A,B) for HDMI transmit applications is provided. An exemplary integrated circuit includes a serializer, a pre-driver coupled to ...  
WO/2013/068746A1
The present invention provides a method of cancelling interference caused by a transmitter of a first wireless system to a receiver of a second wireless system, the transmitter and receiver being operative in adjacent frequency bands. Th...  
WO/2013/070651A1
Systems, methods, and other embodiments associated with a method for estimating a channel between a wireless transmitter and a wireless receiver are described. According to one embodiment, a method includes receiving a signal that includ...  
WO/2013/071276A1
An adjustable gain line driver (104) receives an input signal (CLK, CLK_B) and a gain control signal (104_C) and outputs a signal with a swing (106_P, 106_M), and the swing is measured (108) to generate a swing measurement signal (SWG). ...  
WO/2013/070985A1
Embodiments include processes, systems, and devices for reshaping virtual baseband signals for transmission on non-contiguous and variable portions of a physical baseband, such as a white space frequency band. In the transmission path, a...  
WO/2013/067200A3
A serial bit stream having a given bit per second rate is received and distributed to a plurality of phase shifted samplers. A multi-phase sampling trigger is generated at a rate lower than the given bit per second rate, and each of the ...  
WO/2013/067118A1
A biquad wideband signal processing circuit can operate over bandwidths of 50 MHz to 20 GHz or more. The biquad circuit employs a configuration of integrators (transconductors), buffers, and scalable summers that can be implemented using...  
WO/2013/067253A1
Certain aspects of the present disclosure relate to a hybrid approach for Physical Downlink Shared Channel (PDSCH) Interference Cancellation (IC). In certain aspects, if the PDSCH information is known for a serving cell but not be known ...  
WO/2013/066224A1
Embodiments herein relate to a method in a radio network node (12) for estimating channel gain over frequencies of a bandwidth in a radio communications network (1), which radio network node (12) serves a user equipment (10) in the radio...  
WO/2013/067196A1
A system for wireless communication reduces implementation complexity for symbol level interference cancellation as applied to physical control and data channels, such as the physical downlink shared channel (PDSCH) and physical downlink...  
WO/2013/066498A1
A delayed channel estimation is a channel state information (CSI) reference subframe having an index (NCSI_ref) belonging to NCSI_ref = N-4-k; N is the subframe index that the CSI is transmitted on an uplink; and k is the smallest value ...  
WO/2013/066756A3
Software Digital Front End (SoftDFE) signal processing techniques are provided. One or more digital front end (DFE) functions are performed on a signal in software by executing one or more specialized instructions on a processor to perfo...  

Matches 451 - 500 out of 34,606