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Patent Searching and Data


Matches 701 - 750 out of 21,228

Document Document Title
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...  
WO/2012/041399
Generating updated coefficients for an adaptive equaliser involves generating (910) phase tracking information using asynchronous detection strategy ADS based on resolved data, and equalised signals, and estimating (920) a phase correcte...  
WO/2012/044513
An access node of a communication system is configured to control crosstalk between an activating channel associated with a first network terminal of a communication system and active channels associated with respective other network ter...  
WO/2012/042520
The disclosure describes examples of systems and methods for communication networks including multiple-input multiple output MIMO channels. In these examples, based on a novel decomposition of two or more channel matrices or functions th...  
WO/2012/043351
[Problem] To enable signal transmission at a high data rate while maintaining backward compatibility. [Solution] A source device (110) and a sink device (120) are connected by a HDMI cable (200). The source device (110) is compatible wit...  
WO/2012/041611
An embodiment of the invention relates to a receiver capable5 of receiving a secondary bitstream which is transmitted by a secondary signal over a physical transmission channel together with a primary signal having higher signal strength...  
WO/2012/042461
A Point-to-Point communication system includes (i) a millimeter-wave channel having a substantially flat channel transfer function between a first frequency of millimeter-waves and a second frequency of millimeter-waves, the two frequenc...  
WO/2012/038736
A continuous time counter and method of counting are provided, comprising a sequence of adding stages which build up the output based on the inputs by progressively adding new values to opposite ends of an output stack. The counter provi...  
WO/2012/037730
A Method and system for detecting mobile terminal capability of supporting interference suppression and cancellation are provided in the present invention. The method includes: a Base Station Subsystem (BSS) determining a mobile terminal...  
WO/2012/040560
Channel estimation is performed in a wireless network through cell/antenna pair ranking and iterative soft cancellation of pilot signals. Cell classification and ordering may be ranked and grouped for purposes of improving performance by...  
WO/2012/037822
The present invention discloses a digital predistortion system and a digital predistortion processing method, wherein the digital predistortion system includes: a baseband system, which is set for sending service data and power level inf...  
WO/2012/040117
Methods and devices for receiving wireless signals employ compressed sensing-based estimation techniques to receive single-carrier transmissions, exploiting the common sparseness of the wireless channel, enabling signal reception in the ...  
WO/2012/038546
There is described a de-skew circuit and a method of de-skewing a multi lane serial interface. De-skew can be done by delaying one of the recovered symbol clocks from a lane and using this delayed symbol clock to sample the data received...  
WO/2012/038834
In an ultra- wideband ("UWB") receiver (10')/ a received UWB signal is periodically digitized as a series of ternary samples. The samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. ...  
WO/2012/040304
A system for accomplishing bi-directional digital audio data and control communications. There is a host end that includes a host transceiver, a host digital signal processor that outputs a master clock signal and audio data, and a sourc...  
WO/2012/039984
Wireless receiver circuits and methods include algorithms for switching between a least - squares/minimum mean -square error method of channel estimation known as the CE algorithm, and a continuous plot method of channel estimation known...  
WO/2012/036567
A method for wirelessly transferring operational information to an RFID reader using a tag-reader air interface. An RFID tag emulator capable of formatting operational information for an RFID reader into a standard RFID tag transmission ...  
WO/2012/035453
Interference is estimated in an Orthogonal Frequency Division Multiplexing system by receiving at a wireless receiver pilot symbols and data symbols transmitted in time and frequency via resource blocks, detecting a first one of the data...  
WO/2012/035452
Teachings herein provide reduced complexity channel state information (CSI) reporting for a successively decoded, precoded multi-antenna transmission. A wireless communication device reports CSI by forming, for each candidate transmissio...  
WO/2012/035802
A data transmission system (10) is provided with a transmission unit (1), a receiving unit (2), transmission paths (3), and a delay unit (4). The delay unit (4) is disposed on a transmission path (31) along which a high-speed signal (S1)...  
WO/2012/034802
The present invention relates to a coupling arrangement for phantom-mode transmission over a wired loop plant. In accordance with an embodiment of the invention, the coupling arrangement comprises adders (Σ1Α, Σ2Α, Σ1Β, Σ2Β) for ...  
WO/2012/029028
A receiver (30) comprises plural receive antennas (50) and processing means (34). The plural receive antennas (50) are configured to receive, on plural subcarriers transmitted over a radio interface, a frequency domain signal that compri...  
WO/2012/031098
An iterative nonlinear preceding method based on, for example. Tornlinson- Harashima Preceding (THP) may be implemented in a MU-MIMO system to alleviate the performance degradation due to mismatches between actual Channel State Informati...  
WO/2012/029602
A master device (12) and slave devices (13, 14) are linked by an SDA (16) and an SCL (15), and a serial communication data signal sent through the SDA (16) and/or a serial communication clock signal sent through the SCL (15) is input aft...  
WO/2012/029030
In one of its aspects the technology disclosed herein concerns a method of operating a receiver (30). The method comprises performing symbol detection by (1) receiving a frequency-domain signal that comprises contribution item time-domai...  
WO/2012/030606
Decision feedback equalizer ("DFE") circuitry bases determination of the coefficients that are used in its various taps on the algebraic sign of the current value of an error signal and prior serial data signal values output by the DFE c...  
WO/2012/029597
The present invention can be applied to high-speed communication of an equalization technique to a duobinary signal, that proactively uses inter-code interference. In such applications, a clock replay circuit that accurately detects cloc...  
WO/2012/030852
Certain aspects of the present disclosure relate to a technique for multiplexing data of different access categories in Multi User Multiple Input Multiple Output (MU-MIMO) wireless systems. The present disclosure defines rules for multip...  
WO/2012/030606
Decision feedback equalizer ("DFE") circuitry bases determination of the coefficients that are used in its various taps on the algebraic sign of the current value of an error signal and prior serial data signal values output by the DFE c...  
WO/2012/029027
A receiver (30) is configured to perform symbol detection based on a total frequency domain received signal that comprises contribution from a block of time domain symbols. The receiver (30) comprises processing means (34) operate to div...  
WO/2012/027264
A precoding scheme to accommodate user equipment (UEs) having higher Doppler speeds. In such transmission schemes, a different precoding matrix is applied to each orthogonal frequency division multiplex (OFDM) symbol in the transmission ...  
WO/2012/027264
A precoding scheme to accommodate user equipment (UEs) having higher Doppler speeds. In such transmission schemes, a different precoding matrix is applied to each orthogonal frequency division multiplex (OFDM) symbol in the transmission ...  
WO/2012/025407
Decoding a received Orthogonal Frequency Division Multiplex (OFDM) signal that occupies a first set of subcarriers in a radio frequency spectrum includes ascertaining an interference model that represents interference occurring in the fi...  
WO/2012/025694
The invention relates to data processing for denoising a signal, including the steps of: a) receiving, at a time t-1, a noisy signal (SB) containing a useful signal and noise; and b) determining, from the received noisy signal (SB), an e...  
WO/2012/022100
The present invention discloses a method, device and system for configuring codebooks. The method includes the following steps: a transmitting end selects a code word restricted sub-set and informs a receiving end of it; the code word re...  
WO/2012/024010
In one aspect, a method to recover digital data includes receiving a distorted digital data stream and processing the distorted digital data stream to remove distortions. The processing includes detecting state changes, removing noise an...  
WO/2012/021295
Methods and apparatuses are provided for determining whether to deactivate one or more uplink carriers based at least in part on determining deactivation of a downlink carrier. A linking of the one or more uplink carriers to the downlink...  
WO/2012/021449
A method in a communication network includes an access point, using a multiple input multiple output antenna configuration, sending out a sounding packet to a plurality of client stations. The client stations determine a channel estimati...  
WO/2012/020312
The present invention provides a method and device of obtaining enhanced CQI (Channel Quality Indicator), the present invention performs CQI calculation utilizing demodulated reference signal. In addition, besides performing modulation a...  
WO/2012/017609
A phase comparator (101) outputs a phase comparison signal (LAG(n)) showing whether or not there are edges in an equalized signal (EQDATA) in a first interval between a sampling timing and a timing that is ahead of said sampling timing b...  
WO/2012/017732
A transmitting device (10A) is provided with a transmitting data generating unit (11) and an output buffer unit (12A). The transmitting data generating unit (11) generates data (data1) and a clock (clock1), which are to be transmitted to...  
WO/2012/017691
A receiving circuit is provided that can accurately detect a clock signal that has a single phase and a small amplitude. A receiving circuit includes an AC coupled circuit 22 that creates an AC coupling between a first end and a second e...  
WO/2012/014098
The teachings herein provide a method and apparatus for partitioning sets of MIMO streams, for joint processing. In particular, there is an optimum or otherwise best partitioning of a set of MIMO streams into a first subset to be jointly...  
WO/2012/013092
A signal processing method for Long Term Evolution (LTE) base station side is disclosed, and includes the following steps: in the downlink of the signal, filtering the downlink signals to remove the high frequency sub-carrier components ...  
WO/2012/012291
Circuitry for adaptive signal equalizing with coarse and fine boost controls by providing multiple serially coupled stages of parallel controllable DC and AC signal gains with coarse and fine gain controls provided across all stages.  

Matches 701 - 750 out of 21,228