Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 651 - 700 out of 21,051

Document Document Title
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.  
WO/2012/009757
The present invention relates to a device for the location of passive intermodulation faults in a coaxial cable network. The test apparatus (100) according to one embodiment of the present invention utilises a pair of high-power, frequen...  
WO/2012/012248
A method for quantizing decision metrics (e.g., log likelihood ratios (LLRs)) for reduction of memory requirements in wireless communication is described. The method includes selecting a quantization algorithm. The quantization algorithm...  
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.  
WO/2012/009986
A phase rotator and a clock and data recovery device are disclosed. Only one clock signal is needed to be input, so that the design difficulty of the phase rotator is reduced. The phase rotator comprises: Metal-Oxide-Semiconductor (MOS) ...  
WO/2012/007837
The present invention provides a method and a device for selecting user terminal so as to enhance calibration for reciprocity error between uplink and downlink, in the purpose of enhancing the accuracy of calibration for reciprocity erro...  
WO/2012/009468
The methods and apparatus described herein are used to operate a wireless device. One method of operating a wireless device includes filtering a first set of digital samples using a first filter at a first time to generate a first signal...  
WO/2012/007810
A radio user equipment (UE) mobility status is determined in a communications node. UE mobility status measurements associated with the UE communicating over a radio channel are performed. The UE mobility status corresponds to a degree o...  
WO/2012/007785
A high speed video cable (102. j) carries signals according to the High - Definition Multimedia Interface (HDMI) or DisplayPort standards, and includes a raw (108. j) cable and a boost device (118). The raw cable (108. j) includes coaxia...  
WO/2012/009461
Data communication devices, methods, and systems are discussed in this application. In one embodiment, a receiving apparatus generally comprises a detector, an indicator, and a decision device. The detector can detect a number of data st...  
WO/2012/009468
The methods and apparatus described herein are used to operate a wireless device. One method of operating a wireless device includes filtering a first set of digital samples using a first filter at a first time to generate a first signal...  
WO/2012/006120
A method and apparatus for wireless communication may provide a multi-link RLC sublayer in an RNC (802) capable of allocating RLC PDUs among a plurality of MAC entities (804, 806) for use in a Multi-Point HSDPA network. Some aspects of t...  
WO/2012/006583
Channel estimation at a user equipment includes estimating channel quality of at least one channel. A first algorithm or a second algorithm is selected based on the estimated channel quality. Channel estimation is performed based on the ...  
WO/2012/006472
Certain aspects of the present disclosure provide techniques and apparatus for using channel state information (CSI) feedback for multiuser multiple-input multiple-output (MU-MIMO) transmission. For certain aspects, a method of wireless ...  
WO/2012/006005
A method and apparatus for using demodulation reference signal (DM-RS) based channel state information (CSI) feedback in Orthogonal Frequency Division Multiplexing - multiple-input multiple-output (OFDM-MIMO) systems is disclosed. The wi...  
WO/2012/006472
Certain aspects of the present disclosure provide techniques and apparatus for using channel state information (CSI) feedback for multiuser multiple-input multiple-output (MU-MIMO) transmission. For certain aspects, a method of wireless ...  
WO/2012/002855
The invention relates to a method in a user equipment for channel estimation, the user equipment communicating within a wireless communication system comprising at least two cells arranged in a layered structure, the at least two cells u...  
WO/2012/001086
A network node jointly precodes multi-user (MU) multiple-input multiple-output (MIMO) transmissions simultaneously sent from geographically distributed base stations to a plurality of mobile terminals over associated downlink MU-MIMO cha...  
WO/2012/000277
A decision-feedback device and method for a receiver are disclosed by the present invention, wherein the device includes: a reception module (102), which is used for receiving the demodulation output of a front-end demodulation element; ...  
WO/2012/001591
A plurality of wireless channels link a transmitter and a receiver, each channel corresponding to a different transmit-receive antenna pair. Channel state information is estimated for the plurality of wireless channels by grouping the pl...  

Matches 651 - 700 out of 21,051