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Matches 601 - 650 out of 33,531

Document Document Title
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...  
WO/2012/149765A1
Disclosed are a debugging method and device for a radio system, so as to better locate system problems in a development phase. The present invention implements all tests without radio frequency by directly connecting an eNB BBU and a ter...  
WO/2012/151143A1
The present invention provides a method of transforming pre-coded signals for transmission over an air interface in a MIMO wireless communication system. Embodiments of the method may include applying, at a transmitter, a transform matri...  
WO/2012/151496A3
A method for deskewing a differential signal is provided. A common-mode voltage (VCM) of a differential signal (INP, INM) from a measuring circuit (304) and an average for the common- mode voltage of the differential signal (VCMA) from a...  
WO/2012/149996A3
The invention relates to a drive system and a method for operating a drive system which has at least one electric motor which is fed by a converter, wherein the converter and the motor are connected via a cable system, in particular a hy...  
WO/2012/150388A1
The invention relates to a method for partially modulating the amplitude of a carrier wave, by between 8% and 14%, the carrier wave being transmitted by a wireless transceiver (10) intended to exchange data with a remote portable object ...  
WO/2012/151496A2
A method for deskewing a differential signal is provided. A common-mode voltage (VCM) of a differential signal (INP, INM) from a measuring circuit (304) and an average for the common- mode voltage of the differential signal (VCMA) from a...  
WO/2012/149733A1
Provided are a communication system signal processing method, device and system. The method includes: a first mode communication system acquiring a first message, with the first message carrying the signal strength, sent by a second mode...  
WO/2012/149802A1
Disclosed are a method and system for improving digital pre-distortion performance, for further improving digital pre-distortion performance. Through segmentation technology and accumulative iterative pre-distortion technology, the prese...  
WO/2012/151129A1
A method includes performing an operation based on transformed channel data and transformed signal data to generate a transform representation of multiple taps. The transformed channel data and the transformed signal data correspond to d...  
WO/2012/149394A1
Systems, methods, and devices for communicating long packets are described herein. In some aspects, one or more training fields are interposed between data symbols of a data unit. The training fields may comprise a short training field (...  
WO/2012/148301A1
A method and apparatus for estimation of a Doppler frequency (fD) in a wireless telecommunication system, wherein data blocks (DB) each having at least one Pilot symbol (PS) are retransmitted with a predetermined retransmission delay in ...  
WO/2012/148601A1
The various embodiments provide circuitry and methods for packing Log Likelihood Ratio ("LLR") values into a buffer memory in a compressed format which reduces the amount of buffer memory required. Various embodiments use a type of quant...  
WO/2012/145955A1
A channel impulse response (CIR)/DC offset (DCO) joint estimation for a time division synchronous code division multiple access (TDSCDMA) system includes generating from a basic midamble and received midamble an initial estimation of the...  
WO/2012/146038A1
Disclosed is a frequency offset estimation method and apparatus. The method comprises: acquiring received signals on pilot subcarriers in physical resource units on all antennas at a receiving end; determining frequency offsets of the ph...  
WO/2012/143170A1
The invention relates to a possible means for channel estimation for wireless communication between a motor vehicle and another communication subscriber, wherein the result from an environment sensor system is also used in the channel es...  
WO/2012/142873A1
A radio frequency (RF) transmitter has at least one digital signal processing module and at least one power amplifier module. The digital signal processing module includes at least one digital pre-distortion component arranged to receive...  
WO/2012/145071A1
An apparatus transmits data using a format where information bits intended for transmission are mapped into symbols each carrying a plurality of bits, some of which are encoded through pulse position modulation (PPM) format and the rest ...  
WO/2012/144330A1
This communication device has a transmitter device (17) and a receiver device (19). The transmitter device (17) computes a DC balance value of input data, compares the DC balance value with a cumulative value thereof, and compares the si...  
WO/2012/142976A1
Provided are a method, apparatus and system for detecting channel quality; the method comprising: obtaining a sending signal; obtaining a receiving signal, the receiving signal is a signal after the transmission of the sending signal in ...  
WO/2012/143169A1
The invention relates to a method and a correspondingly arranged communication device for channel estimation in vehicle-to-environment communication, wherein a model of the environment influencing the vehicle- to-environment communicatio...  
WO/2012/141935A1
Methods and apparatuses are provided that include selecting reference signal (RS) or other tones to utilize in estimating a channel for decoding one or more channels. Where the RS tones are interfered by other base stations, interference...  
WO/2012/142612A1
Systems, methods, and devices to enable range extension for wireless communication in sub-gigahertz bands are described herein. In some aspects, portions of packets are repeated in time and/or space when transmitting the packet in order ...  
WO/2012/139646A1
The invention relates to a method for the simultaneous transfer of digital process values (30, 32, 34) by means of a plurality of measuring sensors (18) to an evaluation unit (12) via a bus (16), wherein the process values (30, 32, 34) g...  
WO/2012/139641A1
The invention relates in particular to a transmission system comprising at least one central unit (12) and at least one field device (14), wherein a connection for supplying energy to the field device (14) and simultaneously a communicat...  
WO/2012/139640A1
The invention relates in particular to a transmission system (10), comprising at least one central unit (12) and at least one field device (14), wherein a connection for supplying energy to the field device (14) and a communication conne...  
WO/2012/136286A1
Methods of interference cancellation are provided. Channel estimation is performed with or without interference cancellation. Methods of detection of erroneous neighbor cell measurements are provided. The channel estimates for neighbour ...  
WO/2012/134335A1
Embodiments herein provide a wireless communication system including a user equipment (UE) and a plurality of base stations (e.g., evolved NodeBs (eNBs)). The UE may generate feedback information based on channel conditions between the U...  

Matches 601 - 650 out of 33,531