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Patent Searching and Data


Matches 701 - 750 out of 21,335

Document Document Title
WO/2012/092890
The present invention relates to the technical field of network communications. Disclosed is an adaptive equalization method comprising: obtaining a first filter signal according to a first filter coefficient; deciding the first filter s...  
WO/2012/092162
An adjacent channel interference rejection mechanism is provided to detect and reject CCK-modulated signals from an adjacent channel in a wireless communication receiver. Replicas of the baseband signals are frequency-shifted and then an...  
WO/2012/089156
The present invention provides a coefficient calculation method and device for a time-domain channel estimation filter. The method comprises: obtain the position information and weight information of the signals carrying RS information c...  
WO/2012/089138
Provided are a method and multi-band mobile terminal for improving the antenna matching performance of a multi-band mobile terminal, relating to the field of mobile communications and invented to improve the antenna matching performance ...  
WO/2012/088993
The present invention provides a transmission method based on a non-codebook pre-coding in a MIMO system, including: acquiring the channel information of the prior moment by a sending terminal by means of feedback or the reciprocity of c...  
WO/2012/092007
A voltage-mode driver circuit supporting pre-emphasis includes multiple resistors, and multiple transistors operated as switches. Control signals operating the transistors represent a logic level of an input signal to the driver circuit....  
WO/2012/092007
A voltage-mode driver circuit supporting pre-emphasis includes multiple resistors, and multiple transistors operated as switches. Control signals operating the transistors represent a logic level of an input signal to the driver circuit....  
WO/2012/084551
The invention relates to a method for reducing the interfering influences of pulse-shaped interference signals in OFDM-based data transmission, comprising the steps comprising the multiplication of a transmission signal having a window f...  
WO/2012/088273
A two stage process is applied for recovering the modulating content from the received I-Q waveforms of a MSK modulated signal. In the first stage, at each incoming symbol the I-Q waveform segments of the input belonging to the three mos...  
WO/2012/086714
A relay device comprises: a first switch which is inserted between a first extraction unit and a second superposition unit; and a second switch which is inserted between a second extraction unit and a first superposition unit. The first ...  
WO/2012/079817
The invention relates to a method and an apparatus for prevention of interference to a radio transmission system (12) by a pulse-width-modulated signal (SPWM). In this case, an information device (22; 24) transmits an information signal ...  
WO/2012/079348
Methods for estimating broadband co-channel interference and noise and suppressing interference, and systems thereof, are disclosed. The method for estimating broadband co-channel interference and noise includes the following steps: for ...  
WO/2012/082944
A transmitter configured for pre-emphasis is described. The transmitter includes a voltage-driven single-ended-termination driver circuitry. The voltage-driven single-ended-termination driver circuitry includes a first termination point ...  
WO/2012/077155
A first difference-encoding circuit (1) executes a difference encoding of n rows of parallel input data, and generates n rows of parallel output data. A second difference-encoding circuit (2) executes a difference encoding of n rows of p...  
WO/2012/075808
The present invention provides a method and a device for estimating a maximum Doppler frequency shift. The method comprises: a receiver sampling transmitted signals from an transmitter (S302); the receiver calculating an estimated value ...  
WO/2012/076320
The present invention relates to a transmission apparatus and a corresponding transmission method for transmitting data within a multi-carrier transmission system comprising two or more transmission apparatuses that are configured to tra...  
WO/2012/075785
The invention discloses a digital predistortion processing system and method. The system includes a power amplifier inverse model solving module and a digital predistortion module, wherein both the power amplifier inverse model solving m...  
WO/2012/072286
The invention relates to a circuit arrangement for transmitting a digital signal with an optocoupler (U1), and to a field device (1) comprising a circuit arrangement of this type. Circuit concepts which generate a defined/secure state in...  
WO/2012/074360
The present invention provides a System-on-Chip which consists of a plurality of DSPs (Digital Signal Processor) coupled with a plurality of hardware accelerators capable of providing high performance computational function and flexibili...  
WO/2012/073809
Provided is a method capable of serial transmission of data having varying data values in a constant short period while increase in power consumption is suppressed. A first data sequence conversion circuit (121) and a second data sequenc...  
WO/2012/074583
A method of wireless communication with improved performance employs an equalizer receiver with multiple receive antennas. Equalizer taps for linear filters of the equalizer receiver are generated by determining a conditioned covariance ...  
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...  

Matches 701 - 750 out of 21,335