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Patent Searching and Data


Matches 701 - 750 out of 21,298

Document Document Title
WO/2012/072228
A detection process for a receiver of a wireless communication system based on Multiple-ln-Multiple-Out antennas, the process involving: - a preprocessing which only depends on the channel H, said preprocessing involving: - A QRD decompo...  
WO/2012/068863
A method and apparatus for adaptively canceling multi-antenna diversity combination interferences are provided by the present invention. The method includes: measuring the noise power of each receiving antenna; judging whether the ratio ...  
WO/2012/071555
A method and apparatus for enabling an enhanced FDE in a TD-SCDMA system is provided. The method may comprise receiving one or more signals from one or more cells over one or more channels where each channel is described using a channel ...  
WO/2012/068865
The invention discloses a channel estimation method and system in broadband co-frequency interference environment, which are applied to the receivers in orthogonal frequency division multiplexing (OFDM) systems or orthogonal frequency di...  
WO/2012/069254
A communication system (1) having a transmitter (2) and a receiver (3), each having a unidirectional interface (21, 31) and a unidirectional transmission line (4) which can be connected between the transmitter (2) and the receiver (3), i...  
WO/2012/065398
The present invention relates to a technique of communication field, especially to a method, device and system for suppressing local oscillation leakage. The method includes: obtaining local oscillation leakage strength of a radio freque...  
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/2012/065529
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...  

Matches 701 - 750 out of 21,298