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Patent Searching and Data


Matches 601 - 650 out of 34,613

Document Document Title
WO/2012/174842A1
Disclosed are a distortion correction apparatus and method for a non-linear system. The apparatus comprises: an adaptation module and a pre-correction module. The adaptation module comprises: a data collection unit for collecting host li...  
WO/2012/174047A2
One embodiment is directed to a distributed antenna system comprising a host unit and at least one remote antenna unit that is communicatively coupled to the host unit. The host unit is configured to communicate a downstream transport si...  
WO/2012/171201A1
The embodiments of the invention disclose an activation method and apparatus for newly joined line pairs in an xDSL system. The method includes: according to the crosstalk offset coefficient among the line pairs at the data transmission ...  
WO/2012/171944A1
A method for estimating an unwanted component that a receiver introduces into a signal at a known frequency, the method comprising applying a frequency offset to a signal, which comprises a wanted component at the known frequency, to for...  
WO/2012/171360A1
Disclosed is a signal-to-noise ratio estimation method, comprising: obtaining a received signal obtained after a training signal is transmitted through a channel; performing channel estimation on the channel; reconstructing, according to...  
WO/2012/173321A1
A technique for avoiding reception performance deterioration caused by a tone interference that occurs at a position carrying a pilot signal in a wireless communication system is provided. A receiving end includes an operator for convert...  
WO/2012/174047A3
One embodiment is directed to a distributed antenna system comprising a host unit and at least one remote antenna unit that is communicatively coupled to the host unit. The host unit is configured to communicate a downstream transport si...  
WO/2012/171268A1
Disclosed is a time-division duplex filtering method. The method comprises: according to the baseband data chip rate of a TDD-LTE system, generating time slot coordinates for data transmission and reception, and according to the time slo...  
WO/2012/172300A1
Communications apparatus is disclosed which is arranged to configure a signal for transmission on a first carrier frequency from a transmit station, configure said signal for transmission on a second carrier frequency to a remote repeate...  
WO/2012/171390A1
The present application relates to communication technology. Disclosed are a method, system, and device for acquiring and feeding back channel information. When multiple transmission points have not performed an antenna calibration, afte...  
WO/2012/174272A2
An embodiment of the invention provides a method for increasing computational efficiency in a system that can receive an analog radio signal and a digital radio signal concurrently. One tuner is tuned to an analog frequency (802) and the...  
WO/2012/174272A3
An embodiment of the invention provides a method for increasing computational efficiency in a system that can receive an analog radio signal and a digital radio signal concurrently. One tuner is tuned to an analog frequency (802) and the...  
WO/2012/174018A2
A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral inversion of one of the first and second car...  
WO/2012/174018A3
A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral inversion of one of the first and second car...  
WO/2012/174143A1
Techniques for transmitting and receiving data with hybrid automatic retransmission (HARQ) and network coding via block operation are disclosed. In one design, a transmitter transmits a first block of packets to multiple receivers and re...  
WO/2012/167555A1
Disclosed in the present invention are a method and apparatus for correcting in-phase and quadrature signals are, which belong to the field of signal processing. The method comprises: saving the I signal and Q signal of the last frame ou...  
WO/2012/168383A1
An apparatus for aligning non-synchronous input data streams received in the apparatus, the apparatus comprising an analogue to digital converter arrangement for digitising the data streams into a plurality of sequences of samples; and a...  
WO/2012/170780A3
Zero sum signaling schemes utilize coding across data words to allow the use of single-ended buffers while mitigating simultaneous switching noise (SSN) in digital systems. Zero sum signaling may include balanced zero sum coding (target ...  
WO/2012/167682A1
Disclosed are an error correction and a feedback balancing control method and device. The method includes: pre-storing an initial value of a training sequence and obtaining a first PDF and BERin by means of the training sequence; calcula...  
WO/2012/170904A3
A method includes receiving streaming media data having an original media frame and an original frame index referencing the original media frame; determining an optimal session bitrate, wherein the optimal session bitrate is based on the...  
WO/2012/163401A1
Some example embodiments may be directed towards a method in a network node, which may be comprised in a Radio Network, for transmitting a combined wireless communication signal. The combined wireless communication signal may comprise a ...  
WO/2012/163106A1
Provided are a method and device for signal processing. The method comprises: acquiring the noise interference energy and the noise interference cross-correlation of each sampling point of a diversity antenna to obtain a second noise int...  
WO/2012/163102A1
Disclosed is a method for estimating a signal to interference noise ratio. The method comprises: after a receiving end has performed radiofrequency processing on a received signal, obtaining a received signal sequence corresponding to a ...  
WO/2012/166922A1
A system for communicating modulated EHF signals may include a modulation circuit responsive to a bi-level transmit information signal for generating a transmit output signal. The transmit output signal may have an EHF frequency when the...  
WO/2012/163400A1
Some example embodiments may be directed towards improving a secondary system Channel estimation by using a primary Channel estimate. Specifically, some example embodiments may be directed towards a method in an user equipment, which may...  
WO/2012/163054A1
Disclosed are a method and device for generating a microwave predistortion signal. A microwave receiver receives a first received signal after analog-to-digital conversion, performs channel compensation on the first received signal to ob...  
WO/2012/163399A1
Some example embodiments presented herein may be directed towards a method in a Base Station, which may be comprised in a Radio Network, for transmitting a combined wireless communication signal. The combined wireless communication signa...  
WO/2012/164460A1
At a node (110) of a wireless network (100), equalisation operations performed on signals received from a transmitter (130) are adaptively switched to be equalised by an iterative turbo receiver (210) or a linear receiver (230) A theoret...  
WO/2012/161914A1
Techniques for reporting channel state information (CSI) are disclosed. A user equipment (UE) may be configured for operation on multiple carriers with different configurations, e.g., FDD and TDD carriers and/or carriers with different u...  
WO/2012/162002A1
Peak fade depth is measured (202) over a period of time, and a bandwidth of a channel filter (104) is then determined (206) according to the measured peak fade depth (202). In preferred embodiments the average peak fade depth over two or...  
WO/2012/159526A1
Disclosed are an interference cancellation method and device. The interference cancellation method comprises: performing first balancing on received signals of multiple terminals to obtain an initial decoding result of each terminal in t...  
WO/2012/161722A1
Calibration coefficients are combined to provide more robust calibration. In some implementations, calibration coefficients are generated by acquiring two or more sets of calibration coefficients that are associated with different period...  
WO/2012/156096A1
A detection process for a receiver of a wireless communication system based on Multiple-Input Multiple-Output antennas (n T , n R ), said receiver processing observations symbols y derived from symbols x transmitted by an emitter through...  
WO/2012/157180A1
This reception circuit (3) receives a transmission signal (V1) through an alternating-current coupling element in which a primary side coil (11) and a secondary side coil (12) are magnetically coupled, wherein the primary side coil (11) ...  
WO/2012/155612A1
Disclosed are a base band unit, a building base band unit (BBU), a radio remote unit (RRU) and a base station. In the present invention, the functions of a base band unit are divided again in a BBU and an RRU. Before base band data enter...  
WO/2012/158083A1
The present invention relates to a receiving node, and to a related method for determining when to apply a turbo equalization mode to compensate for inter-Symbol Interference in a radio signal (sin) received over a radio channel (h1, h2)...  
WO/2012/155459A1
The invention provides a method and device for correcting frequency offset. Through the response of all the pilot carrier for every tilestrip in every sub-channel, the corresponding matrix is Constructed, and the constructed matrix is no...  
WO/2012/155718A1
Disclosed is a method for compressing in-phase quadrature (IQ) data, which comprises: an evolved radio remote unit (eRRU), according to time-and-frequency information carried in IQ data sent from each antenna, determining whether the IQ ...  
WO/2012/155515A1
A method and an apparatus for signal calibration in GSM system are provided. The method and apparatus determine the position of the forward digital signal sequence and feedback digital signal sequence when every local minimum value appea...  
WO/2012/158181A1
Data-directed interference cancelation involves detecting the modulation and coding embedded in an interfering spatial stream and using the detected modulation and coding for interference cancellation in conjunction with decoding another...  
WO/2012/155745A1
The present invention provides an in-phase quadrature (IQ) data channel assignment method and device. The method comprises: deciding that a base band processing (BP) unit in an exceptional state exists in a base band unit (BBU), and when...  
WO/2012/158422A1
Embodiments provide an apparatus and method for interference alignment for channel-adaptive waveform modulation. The method includes obtaining at least a part of a first matrix and a part of a second matrix for the impulse response funct...  
WO/2012/155511A1
Disclosed in the present invention a method for calculating channel quality indication information and a terminal thereof. The method involves performing channel measurement by terminal according to received cell state information-refere...  
WO/2012/153843A1
A signal transmission method transmits signals that have superimposed a clock signal and a plurality of data signals, using a positive and a negative differential signal. The clock signal is a reference clock signal that specifies a tran...  
WO/2012/152033A1
A digital predistortion method. The method comprises: collecting a digital feedback signal; differentiating between the digital feedback signal and a prior to predistortion signal to acquire an error signal, iterative converging accordin...  
WO/2012/154090A1
The present invention relates to a precoder (211) for a multiuser communication system arranged to precode a first set of sample values to a second set of complex sample values, wherein the first set of sample values comprises a first pr...  
WO/2012/152181A1
Provided is a remote radio frequency system which can detect the network interference situation near a base station, including a baseband processing unit, a downward data link and an upward data link, and characterized by further includi...  
WO/2012/153719A1
[Problem] To provide a relay device capable of increasing the number of connected nodes in a bus-type network, and a connector comprising said relay device. [Solution] An ASC (1) as a relay device, comprising a bit distortion correction ...  
WO/2012/152020A1
Provided in the present invention is a channel equalization method. The method comprises: acquiring an autocorrelation matrix and a signal response in a frequency domain on the basis of a signal received; zeroing the correlation between ...  
WO/2012/153204A1
A transmitter, receiver, and method for channel estimation for a Multiple - Input Multiple - Output, M1M0, communication system in which the transmitter includes a multiplicity of transmit antennas spaced such that spacing between adjace...  

Matches 601 - 650 out of 34,613