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Matches 1 - 50 out of 35,015

Document Document Title
WO/2015/111124A1
This insulation communication device is equipped with a transmission circuit (2) that is provided with a primary coil (4), and a reception circuit (3) that is provided with a secondary coil (5), and transmits signals from the transmissio...  
WO/2015/112592A1
Certain features relate to a remote antenna unit having a multi-stage isolation sub-system for isolating uplink and downlink signal paths. A multi-stage isolation sub-system in the remote antenna unit can include a first stage device tha...  
WO/2015/109783A1
Disclosed are a channel estimation method and device, a base station and a computer storage medium. The method comprises: determining a training sequence matrix S; determining a forming matrix G; determining a received signal; according ...  
WO/2015/109455A1
Embodiments of the disclosure provide methods and apparatuses for optimizing transmission in a small cell. In a method according to embodiments of the present invention, space knowledge of interference channels between the small cell and...  
WO/2015/108847A1
System, methods and apparatus are described that model analog behavior in a multi-wire, multi-phase communications link. A digital signal representative of a physical connection in a communications link and a virtual signal characterizin...  
WO/2015/109044A1
A first network device can implement null beamforming functionality to generate a NULL at a receive port of a second network device. In one example, the first network device can estimate beamforming parameters to be used for transmitting...  
WO/2015/103805A1
A frequency-domain dispersion search method based on a training sequence, comprising performing a frequency-domain dispersion search using a modulation symbol sequence obtained by modulating a training sequence. A shift factor ΩCT = NFF...  
WO/2015/103816A1
Disclosed is a clock recovery method, comprising: performing clock balance pre-filtering on an input time/frequency domain signal according to a self-adaptive balance coefficient input currently, to obtain a balance pre-filtering signal;...  
WO/2015/103804A1
Disclosed is a channel equalization and frequency offset estimation joint parallel method based on an LMS. After a training sequence signal is converted into a parallel signal in an initialization stage of a photoreceiver, the signal is ...  
WO/2015/103009A1
Systems, methods and apparatus are described for use in a communications link having a number of connectors. A method for communication using differential signaling with symbol transition clocking signaling communicates symbols over a co...  
WO/2015/102431A1
The present invention relates to a method and an apparatus for a direct conversion receiver correcting a direct current (DC) offset. The DC offset correction apparatus of the direct conversion receiver comprises: a plurality of variable-...  
WO/2015/100559A1
Provided are a signal processing method and device, relating to the technical field of communications. The present invention solves the problem of reduced signal reconstruction performance caused by limited sparsity a priori information,...  
WO/2015/102166A1
A device for detecting an interference signal is disclosed. Provided is the device for detecting an interference signal comprising: an estimation unit for estimating a mean value of received signals outputted from an analog-digital conve...  
WO/2015/101445A1
Systems and methods for estimating and modeling communication systems in a widely-linear framework are provided. In one aspect, a system and method include estimating a first channel matrix and a second channel matrix for a multi-input m...  
WO/2015/100588A1
The present application relates to the technical field of communications. Disclosed are a signal processing device, a communications system, and a signal processing method. The signal processing device comprises a coder and an adapter. T...  
WO/2015/101672A1
A method for compensating Doppler shifts (v) in a mobile communication system comprises the steps of: - receiving a mobile communication signal (y); - transforming the signal in order to compensate a Doppler shift (vp) of at least one pr...  
WO/2015/096164A1
Disclosed are a wireless communications method and apparatus. The method comprises: determining a communications frequency band; obtaining a wavelength value λ of a sending end signal according to the communications frequency band; esta...  
WO/2015/099583A1
The disclosure relates to a method (30) performed in a network node (2) of a communication system (1) for configuring a communication device (5) with channel state information, CSI, resources. The method (30) comprises: configuring (31) ...  
WO/2015/096027A1
A method and an apparatus for a first node in a wireless communication system are provided. The first node is in a bi-direction communication with a second node. Both the first node and the second node are equipped with at least two ante...  
WO/2015/096010A1
Disclosed is a wireless transceiver, wherein the wireless transceiver comprises: a second control switch, which second control switch can selectively connect a signal output end of a coupler or a signal output end of a low noise amplifie...  
WO/2015/096735A1
The present invention relates to the field of digital pre-distortion processing. Disclosed in an embodiment of the present invention are a pre-distortion parameter obtaining method and pre-distortion system for simplifying calculating co...  
WO/2015/096716A1
Disclosed are a channel estimation method and device, which are used for solving the problem of high calculation complexity of the MMSE filtering algorithm of the existing channel estimation. The method comprises: according to pilot freq...  
WO/2015/096083A1
A method for performing precoding in a wireless communication system is disclosed. The method includes obtaining a parameter indicative of reception quality on a downlink channel from a base station to a user equipment (UE) served by the...  
WO/2015/096096A1
Provided are a pre-distortion feedback method, device and system, which relate to the field of communications and can reduce the bandwidth of an AD converter in a pre-distorter and further reduce the cost of pre-distortion technology. Th...  
WO/2015/093710A1
Provided is an analog relay device, which is a relay device included in an analog distributed antenna system, and which comprises: a first analog signal processing unit for receiving an analog communication signal; a first modulation and...  
WO/2015/094066A1
The present disclosure concerns radio communication. More particularly, the present disclosure concerns a possible reduction in overhead signaling. The radio link quality of a first radio link (e.g., DL) as well as a second radio link (e...  
WO/2015/091661A1
The invention relates to ultrawide-band (UWB) pulse generators for phase modulation radio communication at frequencies of multiple gigahertz. The generator includes an oscillator formed by a pair of intersected differential branches (T1,...  
WO/2015/094865A1
A data receiver implemented in an integrated circuit is described. The data receiver comprises an input (305) receiving a data signal; a first equalization circuit (304) coupled to receive the data signal, wherein the first equalization ...  
WO/2015/088952A1
An optical transceiver includes N transmitters each transmitting one of N transmitted optically bound channels; a clock forwarding mechanism to transmit a transmitted optical clock signal to an opposing optical receiver; N receivers each...  
WO/2015/086136A1
The invention refers to faster than Nyquist communication system wherein a set of symbols is conveyed from a transmitter (21) to a receiver (23), wherein the transmitter (21) and the receiver (23) are coupled by means of a transmission c...  
WO/2015/086131A1
The invention relates to a method for transmitting data between a first unit which accumulates data that has been generated with a first frequency and a second unit which requests the accumulated data with a second frequency. The method ...  
WO/2015/088775A1
A data storage device (102) includes a signal source (108, 118). A load (109, 114) is responsive to the signal source. A method includes adjusting an impedance of the load (109, 114) to reduce an impedance mismatch between the signal sou...  
WO/2015/085588A1
Certain aspects of the present disclosure provide methods and apparatus for performing channel estimation based on user equipment reference signals.  
WO/2015/088887A1
According to one embodiment, an active cable assembly may include a cable end, a data receiver, a controller characteristic circuit, and a controller. The data receiver, operable to receive a DC-balanced data signal, can be electrically ...  
WO/2015/088531A1
Training, or synchronization, data is sent to a receiver via an alternate connection, such as an internet connection, for use by the receiver in performing signal acquisition of a received broadcast signal.  
WO/2015/081588A1
Provided is a densely-distributed wireless network dynamic pilot multiplexing channel estimation and pilot distribution method. Remote access units (RAUs) are densely distributed in a cell and all the RAUs are connected to a central proc...  
WO/2015/082327A1
In one aspect of the teachings herein, a receiver generates an improved estimate of other-cell covariance for the data region of its own-cell signal, by supplementing its pilot-based estimations of the other-cell covariance with suppleme...  
WO/2015/081530A1
A method for operating a receiver is disclosed. The receiver may receive, over a channel from a transmitter, a first data bit at a first period of time. The receiver may receive, over the channel, a second data bit at a second period of ...  
WO/2015/081726A1
Disclosed are methods and apparatuses for sending and receiving a pilot signal. The method for sending a pilot signal comprises: establishing a first correspondence between a carrier identifier and a pilot pattern of a first-type pilot s...  
WO/2015/079827A1
A transmission/reception system (1) comprises a transmission apparatus (10A) and a reception apparatus (20A). The transmission apparatus (10A) comprises a first switch (101), a second switch (102), a first transistor (111), a second tran...  
WO/2015/081107A1
A system and method for aggregation of a plurality of wireless communication signals in a common radio frequency transmitter. A multiple subchannel multiplexed (MSM) signal within a frequency band, and having a communication protocol wit...  
WO/2015/078016A1
A channel estimation method, apparatus and device. The method comprises: acquiring a reception signal for channel estimation, wherein the reception signal is a signal after a pilot sequence with different phase offset values sent on the ...  
WO/2015/081288A1
Respective sub-channels of an OFDM channel are allocated by a first device to second devices. A first control frame, transmitted from the first device to the second devices, indicates that the second devices are requested to transmit a s...  
WO/2015/074230A1
The present invention discloses a self-interference channel estimation method and device, relates to the field of communications, and solves the problem of self-interference channel estimation reducing system data throughput. The specifi...  
WO/2015/077606A1
System, methods and apparatus are described that reduce the power consumed by a multi-level encoded communications link. In one example, different logic states of a 4-level pulse amplitude modulation encoded transmission consume greater ...  
WO/2015/076434A1
The present invention relates to a one-chip radio receiving circuit for a vehicle, and can be implemented in a one chip form such that the radio receiving circuit simultaneously receives an amplitude-modulated received signal and a frequ...  
WO/2015/076712A1
Methods and apparatus are disclosed for dynamical DM-RS sequence generation in a wireless communications system. The present application discloses that a Physical Downlink Shared Channel (PDSCH) Resource Element (RE) Mapping and Quasi-Co...  
WO/2015/077362A1
Signal recording sensor systems in accordance with embodiments of the invention include sensors capable of sensing and capturing electrophysiological signals in the presence of interference signals, an analog front-end including circuitr...  
WO/2015/073135A1
A ranging procedure is performed using interference cancellation using preamble messages from a plurality of objects, each of which includes a pre-defined orthogonal design coded modulation patterns. A channel for an object may be estima...  
WO/2015/073840A1
Apparatus and methods for channel estimation includes determining two streams corresponding to odd and even samples of a received signal that is sampled at a first chip rate, performing least squares successive interference cancellation ...  

Matches 1 - 50 out of 35,015