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Interference Cancellation patents

      

This page is updated frequently with new Interference Cancellation-related patent applications.




 Interference cancellation apparatus and method patent thumbnailnew patent Interference cancellation apparatus and method
Embodiments of the present invention relate to the field of communications technologies, and provide an interference cancellation apparatus and method, which can avoid being limited by a dynamic range of an adc/dac and can cancel a second-type self-interference component effectively. The interference cancellation apparatus includes a main receive antenna, a divider, a first-type interference canceller, a down converter, a filter, a coupler, a digital down-conversion unit, a second-type interference reconstructor, and a local-frequency signal generator.
Huawei Technologies Co., Ltd.


 Terminal apparatus and base station apparatus patent thumbnailnew patent Terminal apparatus and base station apparatus
There are provided a terminal apparatus, a base station apparatus, and a communication system capable of reporting efficient reception quality information when the reception quality information is transmitted in the communication system having a terminal apparatus having different reception functions. The terminal apparatus includes: a reception unit that receives information related to a network assisted interference cancellation and removal function, a channel state information request, and information related to a channel state information reporting configuration; and a transmission unit that transmits a channel state information report feedback including a predetermined number of channel state information values in accordance with the information related to the channel state information reporting configuration and the channel state information request.
Sharp Kabushiki Kaisha


 Wireless communications method and system, and full-duplex wireless transceiver patent thumbnailWireless communications method and system, and full-duplex wireless transceiver
Embodiments of the present invention disclose a wireless communications method and system, and a full-duplex wireless transceiver, where the method includes: modulating a transmit digital signal into a first radio frequency signal and outputting the first radio frequency signal to a transmit antenna; then performing, under control of a pre-generated control signal, phase adjustment and amplitude adjustment on the first radio frequency signal and obtaining a cancellation signal; performing self-interference cancellation on a second radio frequency signal received from a radio air interface by using a receive antenna and the cancellation signal so as to generate a third radio frequency signal obtained after self-interference cancellation; and finally demodulating the third radio frequency signal into a receive digital signal.. .
Huawei Technologies Co., Ltd.


 Systems for integrated self-interference cancellation patent thumbnailSystems for integrated self-interference cancellation
A system for integrated self-interference cancellation, comprising a transmit coupler, coupled to a transmit signal, that samples the transmit signal to create a sampled transmit signal; an analog self-interference canceller, coupled to the transmit coupler, comprising a controller; a signal divider, that splits the sampled transmit signal into a set of signal components; a set of phase shifters, wherein a phase shifter of the set shifts a signal component of the set of signal components by a total phase shift value; a set of scalers, wherein a scaler of the set scales the signal component by a total scale factor; a signal combiner, that combines the set of signal components into a self-interference cancellation signal; and a receive coupler, coupled to a receive signal, that combines the self-interference cancellation signal with the receive signal to remove a portion of self-interference present in the receive signal.. .
Kumu Networks, Inc.


 Interference cancellation apparatus and method patent thumbnailInterference cancellation apparatus and method
Embodiments of the present invention provide an interference cancellation apparatus and method. The method includes: receiving a radio frequency receive signal by using a main receive antenna; canceling a first-type self-interference component in the radio frequency receive signal according to a radio frequency reference signal, to generate a first processed signal; acquiring the reconstructed self-interference signal according to a self-interference channel parameter and the radio frequency reference signal; canceling a second-type self-interference component in the first processed signal according to the reconstructed self-interference signal to generate a second processed signal; performing down-conversion processing on the second processed signal to generate a third processed signal; performing analog to digital conversion on the third processed signal to generate a digital signal; and acquiring a digital baseband reference signal, and performing self-interference channel estimation according to the digital baseband reference signal and the digital signal to acquire the self-interference channel parameter..
Huawei Technologies Co., Ltd.


 Method and node for supporting network assisted interference cancellation patent thumbnailMethod and node for supporting network assisted interference cancellation
The present invention relates to a method for supporting network assistance interference cancellation at a first wireless device served by a first radio network node of a wireless communication network. A transmission of a second radio network node of the wireless communication network directed to a second wireless device interferes with a transmission of the first radio network node directed to the first wireless device.
Telefonaktiebolaget Lm Ericsson (publ)


 Interference cancellation using non-linear filtering patent thumbnailInterference cancellation using non-linear filtering
To process received wireless signals received in a receiver; a noise and interference estimate is generated by subtracting the component from the received ofdm signal, a normalized noise signal by whitening the noise and interference estimate is produced, interference estimation information is computed from the normalized noise signal, a non-linear frequency domain filtering operation is performed on an output of the interference estimation to generate a frequency domain filtered signal, and a non-linear time domain filtering operation is performed on the frequency domain filtered signal to generate an estimate of an unwanted component of the received ofdm signal. The non-linear filtering may be performed using a median filter or an adaptive median filter or an adaptive hybrid median filter..
Zte Canada Inc.


 Methods and apparatuses for interference cancellation patent thumbnailMethods and apparatuses for interference cancellation
Methods and apparatuses are provided to cancel a near-field reflected self-interference component. The method includes: obtaining a radio frequency receive signal by using a main receive antenna; performing interference cancellation processing on the radio frequency receive signal according to the radio frequency reference signal to generate a first processed signal; performing near-field reflected self-interference channel estimation according to a digital baseband reference signal corresponding to the radio frequency reference signal and according to a first digital signal obtained by sampling the first processed signal to obtain a near-field reflected self-interference component parameter; performing near-field reflected self-interference signal reconstruction according to the near-field reflected self-interference component parameter and the radio frequency reference signal to obtain a near-field reflected self-interference signal; and performing interference cancellation processing on the first processed signal according to the near-field reflected self-interference signal to obtain a second processed signal..
Huawei Technologies Co., Ltd.


 Receiver, transmitter and radio communication method patent thumbnailReceiver, transmitter and radio communication method
Provided are a receiver, a transmitter and a radio communication method capable of using non-orthogonal multiple access while suppressing cost increase and processing delay. A mobile station 200a receives non-orthogonal signals, also receives a reference signal to be used for interference cancellation, and extracts the non-orthogonal signal addressed to the mobile station 200a from the received non-orthogonal signals by demodulating and cancelling the radio signal addressed to another mobile station.
Ntt Docomo, Inc.


 Interference cancellation device and interference cancellation method patent thumbnailInterference cancellation device and interference cancellation method
An interference cancellation device includes: an interference signal generation unit including a buffer circuit that accumulates a first digital signal, delays the first digital signal, and outputs the first digital signal as a second digital signal and a digital signal processing circuit that processes the second digital signal in such a way as to have the same optical characteristic change as a reflected light whose optical characteristic changes according to the characteristic of an optical fiber transmission path, wherein the reflected light is a light reflected at a reflection point of the path when a transmission signal light modulated by the first digital signal is transmitted through the path, and outputs the second digital signal as an interference signal; and a subtraction unit that subtracts the interference signal from a third digital signal obtained by converting a reception signal light into an electric signal and outputting the result.. .
Nec Corporation


Rls-dcd adaptation hardware accelerator for interference cancellation in full-duplex wireless systems

An adaptation hardware accelerator comprises a calculation unit configured to receive a plurality of inputs at one or more predefined time intervals, wherein each time interval corresponds to a calculation iteration, the plurality of inputs being associated with a plurality of adaptive filters each having a plurality of taps, and determine a correlation data and a cross-correlation data based thereon for a given calculation iteration. The correlation data comprises a correlation matrix comprising a plurality of sub-matrices, wherein determining the correlation matrix comprises determining only the submatrices in an upper triangular portion and a diagonal portion of the correlation matrix.
Intel Corporation

Interference parameter signaling for efficient interference cancellation and suppression

The present invention relates to transmission and reception of downlink control information in a communication system. In particular, a serving base station transmits to a terminal a downlink control information which includes a first field with a scheduling information and a second field with interference parameters (interference information).
Panasonic Intellectual Property Corporation Of America

Inter-ue interference cancellation

interference cancellation occurs for devices, where the source of the interference is another ue. The victim ue receiver identifies subframes vulnerable to potential interference from other ues.
Qualcomm Incorporated

Method and system for symbol level interference cancellation at a receiver for multiuser detection

Methods and systems of symbol level interference cancellation at a receiver for multiuser detection is provided. In an embodiment, the method includes performing an interference cancellation based decoding for a plurality of users through a plurality of iterations for generating a plurality of soft bit estimates for each of the users during each of the iterations.
Signalchip Innovations Private Limited

Method and interference cancellation by a user equipment

An apparatus for interference cancellation includes: a front end processing circuit, for receiving at least an interference signal and a desire signal; an inner processing circuit, for channel/noise estimation and for suppressing the interference signal; and a mimo (multi-input multi-output) processing circuit, for blindly detecting an interference parameter of the interference signal based on the suppressed interference signal, and for jointly cancelling the interference signal from the desire signal and for demodulating the desire signal based on the detected interference parameter and the channel/noise estimation from the inner processing circuit.. .
Mediatek Inc.

Method and signal processing

The present embodiments relate to the field of communications, and discloses a signal processing method and apparatus, which can implement self-interference cancellation when in-phase quadrature (iq) imbalance exists in a communications system. An embodiment is acquiring, a digital baseband reference signal, a self-interference reference signal, and a frequency-domain baseband signal.
Huawei Technologies Co., Ltd.

Method and performing self-interference cancellation in fdr mode

A method for performing self-interference cancellation (sic) by an apparatus of a full duplex radio (fdr) mode in a wireless communication system including: performing a channel estimation of a received self-interference reference signal; calculating a power value of two order components of a non-linear self-interference signal based on the channel estimation; and establishing a non-linear digital self-interference cancellation order to be considered in the self-interference cancellation based on the power value of each for the two order components.. .
Lg Electronics Inc.

Methods and systems for processing received signals for a wireless network receiver

There is provided systems and methods for mitigating foreign interference by complementing a receiver of a wireless network, comprising: using antennas for reception of desired signals and interference signals; determining the presence of an interference signal originating from at least one foreign transmitting source in the received signals, and for determining a termination of the interference signal; determining the presence of a desired signal originating from the wireless communication network in the received signals; calculating a suitable combination of the received signals, wherein the effect induced by the interference signal is reduced and the impact of an interference cancellation on the desired signals is reduced; and providing the suitable combination to a receiver of a wireless communication network; wherein the method is performed complementary to the receiver of the wireless network and the antennas.. .
Ubiqam Ltd.

Apparatus and interference cancellation in communication systems

A system that incorporates the subject disclosure may include, for example, determining an interference based on a channel gain for each signal of a group of signals received at a receiver from a group of transmitters. A determination is made as to whether the interference satisfies a threshold range of an analog-to-digital converter of the receiver for each of the group of transmitters.
At&t Intellectual Property I, L.p.

Circuits and methods for antenna-based self-interference cancellation

Circuits and methods for antenna-based self-interference cancellation are provided. In some embodiments, circuits for antenna-based self-interference cancellation are provided, the circuits comprising: a transmit antenna having a transmit port that receives a transmit signal; a receive antenna having a receive port that is cross-polarized with respect to the transmit port and having an auxiliary port that is co-polarized with respect to the transmit port; and a termination connected to the auxiliary port that reflects a signal received at the auxiliary port as a reflected signal, wherein the reflected signal counters interference caused by the transmit signal at the receive port..

Methods and systems for almost blank subframe (abs) pattern selection for small cells

Embodiments provide systems and methods for selecting almost-blank sub-frames (abss) in wireless networks. Abss may be utilized as part of enhanced inter-cell interference cancellation (eicic).
Broadcom Corporation

Method and cancelling interference and receiving signal in wireless communication system

The present invention relates to a wireless communication system. According to an embodiment of the present invention, a method for receiving, by a terminal, a signal by using a network-assisted interference cancellation and suppression (naics) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting terminal capability information including information on an interference transmission mode (tm) supported by the terminal; receiving network assistance information corresponding to the terminal capability information; and receiving a signal by using the network assistance information, wherein the terminal capability information can include port number information about a number of common reference signal (crs) ports of an interfering cell on which the terminal can perform naics..
Lg Electronics Inc.

Single-stream sliced maximum likelihood aided successive interference cancellation

A method includes estimating spatial signatures of the signal and interference data streams, forming a composite channel matrix comprising all or a subset of estimated spatial signatures, performing qr decomposition (qrd) of channel matrix with different spatial orderings, selecting the stream with the largest post-detection signal-to-interference-plus-noise ratio (sinr) based on the elements of the r matrices from different qrd processes, pre-processing received signal using the q matrix corresponding to the spatial ordering with the largest sinr, demodulating the strongest stream using single-stream sliced maximum likelihood (sss-ml) method, cancelling the strongest stream and demodulating the remaining weaker streams using low-complexity mmse method.. .
Zte Canada Inc.

Method and interference cancellation

A method for interference cancellation is provided. The method includes: determining, by a first base station, a channel parameter from a transmit antenna of a second base station to a receive antenna of the first base station; receiving, by the first base station, a first signal using a first resource, where the first signal includes: a first interference signal and an uplink wanted signal, and the first interference signal is an interference signal generated when a downlink second signal is sent by the second base station by using the first resource; receiving, by the first base station, reconstruction information that is of the second signal and that is sent by the second base station; and determining, by the first base station, the first interference signal in the first signal according to the channel parameter and the reconstruction information of the second signal, and canceling the first interference signal..
Huawei Technologies Co., Ltd.

Method for transmitting and receiving for power control factor related to considering self-interference cancellation in wireless communication system using fdr mode and devices therefor

A method of transmitting a power control factor by a device performing self-interference cancellation (sic) in a wireless communication system using full-duplex radio (fdr) according to the present invention includes: transmitting, to a user equipment (ue), a first indicator indicating a power control for purpose of reducing an order to be considered as nonlinear components of a self-interference signal; and receiving, from the ue, a second indicator indicating whether the power control for the purpose of reducing the order to be considered as the nonlinear components of the self-interference signal is accepted or not in response to the first indicator.. .
Lg Electronics Inc.

Demodulation reference signals containing side information for interference cancellation

Embodiments for providing demodulation reference signals to provide side information for interference cancellation are generally described herein. In some embodiments, a sub-frame is prepared comprising two slots and configuring a physical resource block (prb) for each slot, wherein each prb comprises twelve orthogonal frequency division multiplexing (ofdm) subcarriers transmitting for a duration of 7 ofdm symbols per slot.
Intel Ip Corporation

Interference cancellation technique

A technique for cancelling interference in a cellular network (100) is provided. The cellular network (100) comprises intra-frequency cells (102, 104, 106) sending a first identifying signal indicative of a first identifier (id1) and a second identifying signal indicative of a second identifier (id2).
Telefonaktiebolaget Lm Ericsson (publ)

Dynamic selection of analog interference cancellers

A wireless device may determine the level of interference mitigation appropriate for the application and dynamically select a combination of interference cancellation components that satisfies that level. The combination of interference cancellation components may include components that consume power (e.g., active components) and components that do not consume power (e.g., passive components).
Qualcomm Incorporated

Analog interference cancellation using digital computation of cancellation coefficients

Various aspects described herein relate to providing analog interference cancellation using digitally computed coefficients. An aggressor signal can be obtained from a transmitter chain of a radio frequency (rf) front end.
Qualcomm Incorporated

Interference cancellation in microwave backhaul systems

A first microwave backhaul assembly comprises a first antenna, a front-end circuit, an inter-backhaul-assembly interface circuit, and an interference cancellation circuit. The first antenna is operable to receive a first microwave signal.
Maxlinear, Inc.

Mitigating dl-ul interference

A method, in a heterogeneous telecommunications network, for mitigating dl-ul interference between an aggressor full-duplex node and a victim full-duplex node, respective nodes operable to serve pairs of half-duplex ues in full-duplex communication using multiple frequency resources, the method including transmitting an interference indicator message (iim) from the victim node to the aggressor node including data representing an indication that the victim node intends to schedule full-duplex communication with a pair of half-duplex ues using a selected one of the multiple frequency resources, wherein the aggressor node, on the basis of the iim message, is operable to decrease transmission power or cease transmission for a predetermined period of time to a scheduled pair of half-duplex ues served by the aggressor node in the selected frequency resource, or share scheduling information and data to be scheduled with the victim node whereby to enable interference cancellation for dl-ul interference generated by the full-duplex aggressor node.. .
Alcatel Lucent

Interference cancellation system

Systems and methods for cancelling interference from a received signal in order to properly detect a signal of interest are disclosed. A combined signal of interest plus interference signal may be received.
L-3 Communications Corporation

Method, device and system for detecting random access signal in interference environment

A method, device and system for detecting a random access signal in an interference environment. The method includes: receiving a time-domain random access signal to obtain a frequency-domain random access signal; obtaining interference cancelling weights according to the frequency-domain random access signal and a frequency-domain local cyclic shift sequence, and performing interference cancelling on the frequency-domain random access signal with obtained interference cancelling weight; and performing peak detection on the frequency-domain random access signal after interference cancelling.
Zte Corporation

Terminal apparatus, base station apparatus, and communication method

A terminal apparatus improves throughput while suppressing control information of an interfering signal. The terminal device includes: a higher layer that determines an instruction as to whether to apply naics; a receiving unit that receives downlink control information; and a control unit that, in a case where it has been specified on the higher layer that naics is applied, determines, on the basis of information that is contained in the downlink control information and indicates whether to perform interference cancellation or suppression, whether to perform interference cancellation or suppression.
Sharp Kabushiki Kaisha

Intra-frequency interference cancellation method, apparatus, and system

The present invention provides a method. The method includes: performing coupling to acquire a first reference signal and a second reference signal from a transmit signal transmitted on a same transmit link at a transmit end; performing signal recombination according to the first reference signal and the second reference signal, to obtain a first interference cancellation signal and a second interference cancellation signal; enabling the first interference cancellation signal to pass through a simulated interference channel, and enabling the second interference cancellation signal to pass through the simulated interference channel; and coupling and output, to a same receive link at the local receive end, the first interference cancellation signal and the second interference cancellation signal that have passed through the simulated interference channel, and combining the first interference cancellation signal and the second interference cancellation signal with a signal received by the local receive end..
Huawei Technologies Co., Ltd.

Full duplex network architecture in cable network environments

An example communication system comprises a media access control (mac) scheduler in a cable network, and a full band transceiver. The mac scheduler implements a two-dimensional transmission-reception (t-r) coordination scheme among a plurality of cable modems in the cable network.
Cisco Technology, Inc.

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

Terminal apparatus and base station apparatus

A terminal apparatus and a base station apparatus are provided that make it possible to efficiently report reception quality information in transmitting the reception quality information. The terminal apparatus includes a transmitting unit that transmits channel state information report feedback constituted by a given number of channel state information values corresponding to information pertaining to a network assisted interference cancellation function and a channel state information request.
Sharp Kabushiki Kaisha

Feed-forward self-interference cancellation

The present application describes a feed forward method that may electronically cancel self-interference while it is still in the transmit path. It may employ delay length matching for electronic cancellation over large bandwidths..
Lgs Innovations Llc

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

Reducing interference in multipoint operation

It is presented a method for transmitting interference cancellation information to a first user equipment, ue. The method is performed in a first network node and comprises the steps of: determining that the first ue is connected to the first network node in a multipoint fashion such that the first ue is also connected to a second network node; obtaining first downlink scheduling information describing downlink transmission from the first network node to a second ue; and transmitting interference cancellation information to the first ue over a control channel also used by the first network node to transmit scheduling information to the first ue, the interference cancellation information comprising the first downlink scheduling information and an indicator that the interference cancellation information does not contain scheduling information for the first ue..
Telefonaktiebolaget L M Ericsson (publ)

Method and equipment for processing interference signals

A method for processing interference signals, comprising the following steps of: receiving, by a terminal, configuration information sent by a base station to obtain periodic scheduling configuration information of a neighbor cell on specific time-frequency resources; detecting, by the terminal, an interference signal of the neighbor cell according to the scheduling configuration information, and acquiring information about the interference signal; and, performing, by the terminal, interference cancellation and/or interference suppression on the detected interference signal according to the information about the interference signal.. .
Samsung Electronics Co., Ltd.

Interference cancellation relay device

Provided is an interference cancellation relay device. The interference cancellation relay device includes: an interference cancellation unit cancelling an interference signal from an input signal and outputting the input signal from which the interference signal is removed; a gain control unit controlling a gain of an output signal of the interference cancellation unit; and a pre-distortion unit distorting the output signal of the interference cancellation unit, of which the gain is controlled by the gain control unit..
Solid, Inc.

Method of interference cancellation and detection of erroneous neighbour cell measurements

Methods of interference cancellation are provided. Channel estimation is performed with or without interference cancellation.
Blackberry Limited

Systems and methods providing interference cancellation for receiving stations experiencing high interference

Systems and methods which provide enhanced isolation for receivers using relatively simple and inexpensive modifications or additional circuitry at a receiving station. Embodiments augment a primary antenna of a receiving station with a correlated heterogeneous antenna element.
Qualcomm Incorporated

Apparatus and self-interference cancellation

Embodiments of the present invention provide an apparatus for self-interference cancellation. The apparatus includes: a first splitter, configured to perform splitting processing on a local oscillator signal generated by a local oscillator to separately transmit the local oscillator signal to an up-converter and a delayer; the up-converter, configured to perform up-conversion processing on a baseband transmit signal according to the local oscillator signal to generate a transmit signal; the delayer, configured to perform delaying processing on the local oscillator signal according to a preset target delay; a first down-converter, configured to perform, based on the local oscillator signal obtained after the delaying processing, down-conversion processing on a receive signal to acquire a baseband receive signal, and transmit the baseband receive signal to a self-interference canceller; and the self-interference canceller, configured to perform self-interference cancellation processing on the baseband receive signal..
Huawei Technologies Co., Ltd.

Method, apparatus, and system for processing interference in massive multiple-input multiple-output system

The present invention relates to the field of communications technologies, and discloses a method, an apparatus, and a system for suppressing interference in a massive multiple-input multiple-output system, which overcome a disadvantage of sensitivity to a backhaul delay during an inter-cell interference cancellation process in an existing massive multiple-input multiple-output system. A specific embodiment of the present invention includes: obtaining channel correlation matrixes of all links, and further calculating a combined outer precoder set according to the channel correlation matrixes, where each combined outer precoder includes at least one outer precoder, and the outer precoder is a semi-unitary matrix and is not sensitive to a backhaul delay.
Huawei Technologies Co., Ltd.

System and interference cancellation using terminal cooperation

Soft information for achieving interference cancellation in downlink transmissions can be communicated over device-to-device (d2d) links, thereby allowing paired user equipments (ues) to receive downlink transmissions over the same radio resources. More specifically, paired ues that receive transmissions over the same time-frequency resources may exchange soft or hard information over d2d links in order to facilitate interference cancellation.
Huawei Technologies Co., Ltd.

Architecture and control of analog self-interference cancellation

An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (rx) signal comprising an rx signal and a residual transmit (tx) signal, from an antenna port to an rx input port of a transceiver, and at least one cancellation path configured to receive a leakage tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage tx signal in the cancellation path, based on a compensation control signal.
Intel Ip Corporation

Apparatus and interference cancellation

Embodiments of the present invention provide an apparatus and a method for interference cancellation. The apparatus includes: a splitter, configured to acquire a first transmit signal and a second transmit signal; a first circulator, configured to transmit the first transmit signal to an antenna and to send a to-be-processed signal to a combiner, where the to-be-processed signal includes a receive signal component and a self-interference signal component, the self-interference signal component corresponds to an interference signal generated due to that the antenna reflects the first transmit signal; a second circulator, configured to: transmit the second transmit signal to an equivalent load, and acquire a reference signal generated due to that the equivalent load reflects the second transmit signal, where an impedance of the equivalent load corresponds to an impedance of the antenna; and a combiner, configured to cancel the self-interference signal component according to the reference signal..
Huawei Technologies Co., Ltd.

Interference cancellation apparatus and method

Embodiments of the present invention provide an interference cancellation apparatus. The apparatus includes: a splitter, configured to send an acquired reference signal to a first and second main-path interference canceller; a main receive antenna, configured to send an acquired first receive signal to the first main-path interference canceller; the first main-path interference canceller, configured to perform first main-path interference cancellation processing on the first receive signal according to the reference signal, to generate a first processing signal; a reference receive antenna, configured to acquire and send a second receive signal to the second main-path interference canceller; the second main-path interference canceller, configured to perform second main-path interference cancellation processing on the second receive signal according to the reference signal, to generate a second processing signal; and a near-field interference canceller, configured to perform near-field interference cancellation processing on the first processing signal according to the second processing signal..
Huawei Technologies Co., Ltd.

Interference cancellation

A method for interference cancellation in a wireless communication receiver including a signal generator configured to regenerate, from a communication signal received from a plurality of cells, an interference signal of a current subframe of a cell for which information bits are known; and a subtractor configured to subtract the regenerated interference signal from the received communication signal, or from a buffered communication signal having interference of one or more cells cancelled.. .
Intel Ip Corporation



Interference Cancellation topics:
  • Interference Cancellation
  • Communications
  • Cdma System
  • Allocation
  • Base Station
  • Mobile Terminal
  • Communication System
  • Synchronous
  • Asynchronous
  • Matched Filter
  • Linear Function
  • Modulation
  • Rake Receiver
  • Wireless Communication Network
  • Multiplexing


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