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Matches 651 - 700 out of 21,270

Document Document Title
WO/2012/095052
Embodiments of the present invention provide a method, device, and system for frequency offset estimation and channel estimation, which relate to the field of wireless communications technologies and improve accuracy of frequency offset ...  
WO/2012/096973
An apparatus, method, and computer program product operable to determine a phase of a beamforming weight vector utilizing a memory of a previously used phase for the beamforming weight vector, capable of improving a channel estimate. A b...  
WO/2012/096973
An apparatus, method, and computer program product operable to determine a phase of a beamforming weight vector utilizing a memory of a previously used phase for the beamforming weight vector, capable of improving a channel estimate. A b...  
WO/2012/097359
Methods and apparatus for improving transmission channel efficiency are provided. In an example, a digital signal is received. A leading portion of a bit in the digital signal is pre-emphasized. The received digital signal is modulated w...  
WO/2012/092866
Provided are a method, terminal and TDD system for adjusting the frequency offset of a terminal, which relate to the field of mobile communication and are invented for solving the technical problem that the demodulation performance of th...  
WO/2012/092642
This invention concerns the reception of Orthogonal Frequency Division Multiplexed (OFDM) signals, and in particular Doppler-assisted channel estimation for highly mobile OFDM Systems. The receiver estimates the pilot channel coefficient...  
WO/2012/092900
A frequency offset estimation method, device and system are provided by the embodiments of the invention, which relate to the communications field and enable processing of the carrier frequency offset in a high frequency microwave commun...  
WO/2012/092751
The present invention discloses a method and system for neighboring cell interference detection. The method is applied to a reception end of an Orthogonal Frequency Division Multiplexing (OFDM) or Orthogonal Frequency Division Multiple A...  
WO/2012/093333
The present invention relates to a method of channel estimation, a method of selecting pilot information, user equipment, and base station. There is provided a user equipment that improves channel estimation utilizing spatial correlation...  
WO/2012/092895
Disclosed in an embodiment of the present invention are a method, related device and system for processing crosstalk cancelling on the port line of an access device, wherein a method for crosstalk cancelling on the port line of the acces...  
WO/2012/094517
A method and apparatus provide signal compression for transfer over serial data links in a base transceiver system (BTS) of a wireless communication network. For the uplink, an RF unit of the BTS applies frequency domain compression of b...  
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...  

Matches 651 - 700 out of 21,270