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Patent Searching and Data


Matches 651 - 700 out of 21,201

Document Document Title
WO/2012/065529
Disclosed are a method and an apparatus for eliminating direct current offset. The method comprises the following steps: calculating Euclidean distances between every two demodulation symbols in multiple demodulation symbols based on Qua...  
WO/2012/067424
A data transmitting apparatus generates a plurality of pilot signals to be used in channel estimation in a data receiving apparatus, performs symbol mapping of a plurality of input data signals and a plurality of pilot signals to generat...  
WO/2012/066227
Method of communication executed by a node (3A, 3B, 3C) of a telecommunications network, comprising: - a learning step including the determination of a filter (Mi(t)), termed the transmission filter, as a function of a learning signal (S...  
WO/2012/068128
Described herein are a method, an apparatus, and a system to compensate inter-symbol interference (ISI) for a signal at a receiver. The apparatus comprises a first logic unit to generate decision feedback equalizer (DFE) coefficients for...  
WO/2012/065533
Disclosed is a method and system for determining a relay physical downlink control channel search space. The method for determining a relay physical downlink control channel search space comprises the following steps: a base station resp...  
WO/2012/066237
The invention relates to a method of receiving a multicarrier signal formed of a temporal succession of multicarrier symbols. According to the invention, such a method comprises a step of equalizing the multicarrier signal implementing t...  
WO/2012/064772
A method and apparatus for wireless communication may provide a multi-link PDCP sublayer (710) in a radio network controller (702) capable of allocating PDCP PDUs among a plurality of RLC entities (712) for use in a multi -point HSDPA ne...  
WO/2012/064529
Methods and apparatuses are provided that include using orthogonal precoding vectors to precode signals for transmission in a given subframe. Transmissions in a first slot of the subframe can be precoded with a first precoding vector, an...  
WO/2012/064723
Apparatus and methods are provided for generating output signals representative of bits of serial data. A transmitter (200) includes driver circuitry (206) configured to generate an output signal at an output node and an allocation contr...  
WO/2012/058749
A mixed-mode signal detection apparatus suitable for ISO/IEC 14443 Type A and Type B RFID proximity card applications. The apparatus combines switched capacitor sampling and digital post processing to recover information from Amplitude S...  
WO/2012/059058
The present invention relates to the technical field of communications. Disclosed are a method and a device for eliminating interference in a mobile communication system. The method comprises the following steps: step 1, reconstructing s...  
WO/2012/061749
Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmi...  
WO/2012/059068
Provided is a method, device and communication system for correcting polar transmitter delay skew. The method comprises: generating the error vector magnitude (EVM) of a polar transmitter output signal; obtaining the time skew value need...  
WO/2012/060751
Embodiments herein relate to a method in a radio base station (12) for estimating Doppler spread of a signal transmitted by a user equipment (10) over a channel in a radio communications network. The radio base station (12) and user equi...  
WO/2012/060017
A transmission/reception device comprises: a transmission circuit which provides a delay to at least either a positive signal or a negative signal of differential signals to be transmitted to another transmission/reception device, detect...  
WO/2012/061749
Techniques for receiving reference signals from multiple nodes and determining channel state information (CSI) for the nodes are disclosed. A user equipment (UE) may determine and report CSI for the multiple nodes to support data transmi...  
WO/2012/061762
Certain aspects of the present disclosure propose methods and apparatus for lowcomplexity soft- in soft-out detection that divide a plurality of received symbols into a plurality of groups of symbols and performs preprocessing on the sym...  
WO/2012/058759
The present disclosure is directed at a method and apparatus for generating a metric for use in any one or more of lock detection, SNR estimation, and modulation classification. To generate the metric, an input angle in the form of a sym...  
WO/2012/057954
An access node of a communication system is configured to control crosstalk between channels of the system. A set of L distinct and linearly independent pilot signals is generated, with each pilot signal having length «, where n > L suc...  
WO/2012/054974
A reader (112) for reading a plurality of data, wherein each data in the plurality of data is associated with a respective source (16) and is carried by a respective data signal originating from the respective source (16), the reader (11...  
WO/2012/058119
A method of wireless communication includes receiving a signal comprising an encoded downlink reference signal (DL-RS) modified by an effective channel. The encoded DL-RS is encoded based on crosstalk interference. The method further inc...  
WO/2012/055344
The present invention provides a method, an apparatus and a receiving device for estimating narrow-band interference. The method comprises: performing sampling rate conversion processing on a received signal, the sampling rate being a ra...  
WO/2012/056403
Soft bit values are generated for received symbols transmitted based on a modulation constellation by demodulating the received symbols via a sequence of demodulation stages, each demodulation stage producing a symbol decision based on a...  
WO/2012/055615
The invention relates to a method for transmitting digital data via a line, comprising steps of providing a clock signal and transmitting the digital data synchronously to the clock signal, wherein the clock signal comprises a frequency ...  
WO/2012/055662
The invention relates to a data transmitter (100) for transmitting a data packet (102) via a communication channel to a data receiver, wherein the data transmitter (100) comprises a device (104) for generating the data packet (102) and a...  
WO/2012/057573
An apparatus and method reduce distortion in a processed signal. The apparatus includes a first receive path, a second receive path, a summation unit, and a compensation unit. The first receive path is configured to process a received an...  
WO/2012/055281
The present invention relates to a method and device for estimating the signal-to-interference-and-noise ratio of a wireless communication system, wherein the method includes: receiving a baseband signal y (S110), and calculating the sig...  
WO/2012/057573
An apparatus and method reduce distortion in a processed signal. The apparatus includes a first receive path, a second receive path, a summation unit, and a compensation unit. The first receive path is configured to process a received an...  
WO/2012/054761
According to a first aspect of the present invention there is provided a method of estimating, jointly, a set of multipath channels having a common path support, the method comprising the steps of, estimating jointly the common path supp...  
WO/2012/053859
The invention relates to a data-transmitting apparatus which symbol-maps a plurality of input data signals to generate a plurality of modulated data symbols, converts the plurality of modulated data symbols into real signals of a time do...  
WO/2012/052154
A process for performing a QR Decomposition of a channel matrix of a wireless communication channel system, said process involving the steps of: performing a full QR Decomposition of one channel matrix for the purpose of deriving a first...  
WO/2012/052692
The invention relates to a multi-antenna radio communication method, in which sub-bands of frequencies B sk , wherein k=1,..., P, are respectively assigned to P user antennas S 1 ,..., S P belonging to a single user or to a plurality of ...  
WO/2012/053859
The invention relates to a data-transmitting apparatus which symbol-maps a plurality of input data signals to generate a plurality of modulated data symbols, converts the plurality of modulated data symbols into real signals of a time do...  
WO/2012/054553
A telecommunications system is provided that can re-sample a digitized signal at a resample rate that is based on one or more factors to better utilize bandwidth. The factors can include the bandwidth of the signal that the digitized sig...  
WO/2012/052761
An electronic device (4) for deployment in a remote location such as a well-bore comprises two main device terminals (26) for connection to a remote power supply and communication assembly (2) via two electrical couplings (6); a power st...  
WO/2012/051157
Described herein are methods, metrics and apparatus for bandwidth allocation for cognitive radio. Information that needs to be passed between different components of a dynamic spectrum management (DSM) system for dynamic bandwidth alloca...  
WO/2012/049815
To reduce the coding loss in transmission of valid data while establishing early symbol synchronization between a transmission side and a reception side in transmission of channel-coded serial data. A transmission circuit selects first c...  
WO/2012/049436
The invention relates to a method of receiving a signal corresponding to a multicarrier signal sent via at least one transmission channel, comprising a step (11) of estimating said channel, delivering a global item of information regardi...  
WO/2012/048942
A method of detecting a desired signal within a composite signal provides for suppression of interfering signal(s). The method, implemented in a wireless communication apparatus, for example, includes receiving the composite signal and o...  
WO/2012/048072
A method and apparatus of wireless communication are disclosed. The wireless communication performs pilot signal transmissions using a first precoding matrix for user equipment specific pilot signals, the pilot signal transmissions havin...  
WO/2012/046144
The embodiments of the present invention disclose a method and an apparatus for sub-sampling of a codebook in the LTE-A system where a precoding matrix W is a product of two matrices W1 and W2, i.e. W=W1W2, codebooks for W, W1 and W2 are...  
WO/2012/047855
In a method for transmitting channel feedback data from a receiver to a transmitter, channel data for a plurality of orthogonal frequency division multiplexing (OFDM) tones for one or more spatial or space-time streams corresponding to t...  
WO/2012/047855
In a method for transmitting channel feedback data from a receiver to a transmitter, channel data for a plurality of orthogonal frequency division multiplexing (OFDM) tones for one or more spatial or space-time streams corresponding to t...  
WO/2012/047909
Communication in a dominant interference scenario may be supported by performing inter-cell interference coordination (ICIC). Resource coordination/partitioning may be performed to allocate resources to a serving Node B located near the ...  
WO/2012/045244
The present invention relates to a low complexity and high performance channel estimation method, which includes following steps: filtering channel estimation values of obtained reference signal sub-carriers, obtaining channel estimation...  
WO/2012/047855
In a method for transmitting channel feedback data from a receiver to a transmitter, channel data for a plurality of orthogonal frequency division multiplexing (OFDM) tones for one or more spatial or space-time streams corresponding to t...  
WO/2012/048038
A constant impedance driver provides controlled output slew rates. The driver includes a plurality of buffers, each with an output impedance that is multiple of the output impedance of the driver. Outputs of buffers are coupled in parall...  
WO/2012/042182
The invention relates to a method for limiting noise in a plurality of signals received (r) in a multiple input receiver, characterised in that it comprises a processing operation (S) for the decorrelation of the noise (n) present in the...  
WO/2012/040966
The present invention provides a method and apparatus for digital microwave equalization, which relates to the communication field and resolves the problem that the existing equalizer techniques can't adapt to the performance demand of t...  
WO/2012/041337
A technique for performing channel estimation based on a received signal comprising a first signal part and a second signal part in the presence of an unknown phase discontinuity between the first signal part and the second signal part i...  

Matches 651 - 700 out of 21,201