APPARATUS AND METHOD FOR DIVISION OF A GALOIS FIELD BINARY POLYNOMIAL

An apparatus and method for processing a division of a binary polynomial are provided. The apparatus includes a plurality of exclusive OR (XOR) operators that may perform a selective XOR operation with respect to a conditional bit of a dividend polynomial. The plurality of XOR operators may perform selective XOR operations in parallel and accordingly, a division of a binary polynomial may be rapidly performed. 1. An apparatus , comprising:n exclusive OR (XOR) operators to receive a first input value and a second input value, and to generate an output value based on a selective XOR operation value that is obtained by performing a selective XOR operation on the first input value and the second input value, wherein n is an integer equal to or greater than 2;a first storage unit to store a first binary value; anda second storage unit to store a second binary value,wherein, if a Most Significant Bit (MSB) of the second input value is set to “1”, an XOR operation value obtained by performing an XOR operation on the first input value and the second input value is generated as a result of the selective XOR operation,wherein, if the MSB of the second input value is set to “0”, the second input value is generated as a result of the selective XOR operation,wherein a first input value of each of the n XOR operators is the first binary value,wherein a second input value of a first XOR operator from among the n XOR operators is the second binary value, andwherein a second input value of a k-th XOR operator among the n XOR operators is obtained by shifting, by 1 bit toward an MSB, the selective XOR operation value by a (k−1)-th XOR operator, wherein k is an integer equal to or greater than 2 and equal to or less than n.2. The operation apparatus of claim 1 , wherein the first storage unit and the second storage unit are registers of the operation apparatus.3. The operation apparatus of claim 1 , wherein the first binary value represents a divisor binary polynomial claim 1 , and ...

APPARATUS AND METHOD FOR SOFT DEMAPPING

Provided is a soft demapping apparatus that may detect a log likelihood ratio (LLR) value of a quadrature amplitude modulation (QAM) signal, using a shifted table scheme, may designate a sub-region of the QAM signal corresponding to bit information that is obtained by decoding the LLR value, and may calculate an LLR value of other bit information included in the designated sub-region. 1. An apparatus for soft demapping , the apparatus comprising:a detector configured to detect a log likelihood ratio (LLR) value with respect to a quadrature amplitude modulation (QAM) signal using a shifted table scheme;a decoder configured to decode the detected LLR value;a region selector configured to designate a sub-region of the QAM signal corresponding to bit information that is obtained from the decoded LLR value; anda calculator configured to calculate an LLR value of other bit information that is included in the designated sub-region.2. The apparatus of claim 1 , further comprising:a receiver configured to receive the QAM signal and channel information via each of two channels.3. The apparatus of claim 1 , wherein the detector is configured to detect the LLR value with respect to the QAM signal using one dimension (1D).4. The apparatus of claim 1 , wherein the calculator is configured to calculate the LLR value of the other bit information using two dimensions (2D).5. The apparatus of claim 1 , wherein the region selector is configured to determine the sub-region based on an adaptive candidate decision scheme.6. The apparatus of claim 5 , wherein the calculator is configured to calculate the LLR value of the other bit information included in the sub-region using two dimensions.7. The apparatus of claim 1 , wherein claim 1 , in response to channel information of the two channels being the same as each other claim 1 , the detector is configured to detect the LLR value by rotating the QAM signal by a predetermined rotation angle.8. The apparatus of claim 1 , wherein claim 1 , in ...

Power control method and apparatus for array processor

Provided is an apparatus and method for controlling power to a reconfigurable array processor. The method may determine one or more function units (FUs) as activation function units (FUs) and deactivation FUs among a plurality of FUs included in the reconfigurable array processor. The processor may interrupt power supplied to the deactivation FUs.

Apparatus and method for operating resource in wireless communication system

A method for operating a resource in a base station (BS) in a wireless communication system supporting multi-carrier is disclosed. The method includes acquiring reference information related to at least one resource block (RB) to be allocated to a user equipment (UE), determining a RB type to be used in the at least one RB based on the reference information, and transmitting, to the UE, information related to the RB type to be used in the at least one RB. The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT), which may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

Screen operation method for electronic device based on electronic device and control action

A screen operation method for an electronic device based on the electronic device and a control action is disclosed. The electronic device may include an input data receiving module for receiving input data through the device from a user, a unit presentation recognizing module for recognizing a unit presentation from the input data in order to control the electronic device, and a screen controlling module for controlling the screen of the electronic device based on the control action with which the unit presentation is combined.

Method and apparatus for performing soft demapping in rotated quadrature amplitude modulation (qam) based communication system

A method of performing a soft demapping, includes obtaining a signal from a symbol representing bits that is transmitted from a transmitter, and calculating a gradient of a reference line in a constellation for a bit based on a rotation angle and a channel state of the constellation. The method further includes selecting a candidate for each of lines that corresponds to a logic value of the bit from constellation points included in the constellation based on the signal and the gradient of the reference line, and calculating a log-likelihood ratio (LLR) of the bit based on the signal and the selected candidate for each of the lines.

METHOD AND APPARATUS FOR PERFORMING SINGLE INSTRUCTION MULTIPLE DATA (SIMD) OPERATION USING PAIRING OF REGISTERS

An apparatus and a method for performing a single instruction multiple data (SIMD) operation using pairing of registers are provided. An example SIMD apparatus includes a first register configured to store first result data generated by dyadic operators, and a second register configured to store second result data generated by the dyadic operators. The first register and the second register may be paired with each other. Examples also include the use of more than two dyadic operators and/or registers, as well as intermediate registers. 1. A single instruction multiple data (SIMD) operation apparatus , comprising:dyadic operators configured to perform dyadic operations on pieces of input data;a first register configured to store first result data generated by the dyadic operators; anda second register configured to store second result data generated by the dyadic operators,wherein the first register and the second register are paired with each other.2. The SIMD operation apparatus of claim 1 , wherein a dyadic operation performed by each of the dyadic operators is comprised in a single instruction.3. The SIMD operation apparatus of claim 1 , further comprising:an intermediate register,wherein the dyadic operators store intermediate result data in the intermediate register.4. The SIMD operation apparatus of claim 1 , wherein the first register outputs the first result data independently of the second register claim 1 , andwherein the second register outputs the second result data independently of the first register.5. The SIMD operation apparatus of claim 1 , wherein the dyadic operators perform dyadic operations claim 1 , in parallel claim 1 , on the pieces of input data.6. The SIMD operation apparatus of claim 1 , wherein the pieces of input data claim 1 , the first result data claim 1 , and the second result data are vector data claim 1 , or dual vector data claim 1 , andwherein the first register, and the second register are vector registers.7. The SIMD operation ...

METHOD AND APPARATUS FOR SOFT DEMAPPING IN ROTATED QUADRATURE AMPLITUDE MODULATION (QAM) BASED COMMUNICATION SYSTEM

A method and apparatus to perform a soft demapping in a rotated quadrature amplitude modulation (QAM) based communication system is described. The method and the apparatus include pre-processing a symbol based on a priori information and performing a one-dimensional (1D) soft demapping on the pre-processed symbol, continuously. 1. A method to perform a soft demapping , the method comprising:pre-processing a symbol based on a priori information; andperforming a one-dimensional (1D) soft demapping on the pre-processed symbol.2. The method of claim 1 , wherein the pre-processing and the soft demapping are performed continuously.3. The method of claim 1 , wherein the symbol corresponds to a rotated quadrature amplitude modulation (QAM) symbol.4. The method of claim 1 , wherein the pre-processing comprisesdividing the symbol into an I channel symbol and a Q channel symbol based on the a priori information.5. The method of claim 4 , wherein the dividing of the symbol into the I channel symbol and the Q channel symbol comprisesestimating the I channel symbol and the Q channel symbol based on a minimum mean square error (MMSE) method or a minimum mean square error-interference cancellation (MMSE-IC) method.6. The method of claim 4 , wherein the soft demapping comprisescalculating a 1D log-likelihood ratio (LLR) with respect to the I channel symbol and a 1D LLR with respect to the Q channel symbol.7. The method of claim 6 , wherein the calculating of the 1D LLR with respect to the I channel symbol and the 1D LLR with respect to the Q channel symbol comprisescalculating each of the 1D LLR with respect to the I channel symbol and the 1D LLR with respect to the Q channel symbol.8. The method of claim 6 , wherein the calculating of the 1D LLR with respect to the I channel symbol and the calculating of the 1D LLR with respect to the Q channel symbol comprises:calculating the 1D LLR with respect to the I channel symbol and the 1D LLR with respect to the Q channel symbol based on ...

METHOD AND APPARATUS FOR LATTICE REDUCTION WITH REDUCED COMPUTATIONAL COMPLEXITY

Provided is a method and apparatus for lattice reduction with reduced computational complexity. The apparatus and method include calculating an R matrix using sorted QR decomposition, and conducting an R-value test using an R-value based on diagonal elements of the R matrix and a threshold value. The R matrix is an upper triangular matrix. The apparatus and method further execute a loop comprising a size reduction and a conditional update of a basis vector corresponding to a column element of the R matrix in response to the R-value being greater than or equal to the threshold value. The apparatus and method conduct another R-value test based on the R matrix comprising the updated basis vector in response to the basis vector being updated.

METHOD AND APPARATUS FOR PERFORMING SOFT DEMAPPING IN ROTATED QUADRATURE AMPLITUDE MODULATION (QAM) BASED COMMUNICATION SYSTEM

A soft demapping apparatus and method thereof includes a pre-processing unit to pre-process a reception signal obtained from a symbol representing bits. A candidate selection unit selects two candidates from among constellation points included in a constellation for each of the bits. A distance calculation unit calculates a Euclidean distance between the reception signal and the two candidates. A log-likelihood ratio (LLR) calculation unit calculates an LLR with respect to the bits based on the Euclidean distance between the reception signal and the two candidates. 1. A method to perform a soft demapping , the method comprising:receiving a reception signal from a symbol representing bits;selecting two candidates from among constellation points in a constellation for each of the bits; andcalculating a log-likelihood ratio (LLR) for each of the bits based on an Euclidean distance between the reception signal and the two candidates.2. The method of claim 1 , further comprising:detecting the bits using the LLR for each of the bits.3. The method of claim 1 , wherein the selecting of the two candidates comprises:selecting one candidate at an instance in which each of the bits is a first logic value, and selecting one alternative candidate at an instance in which each of the bits is a second logic value.4. The method of claim 1 , wherein the selecting of the two candidates comprises:{'sup': 'n', 'selecting a candidate, for each of lines, from among the constellation points included in the lines including a √{square root over (M)} number of constellation points in response to the symbol corresponding to an M-quadrature amplitude modulation (QAM) symbol, where “M”=2and “n” is an integer greater than two.'}5. The method of claim 4 , wherein the constellation points in the lines correspond to a logic value of a corresponding bit.6. The method of claim 1 , further comprising:storing, in a lookup table (LUT), the Euclidean distance between the reception signal and the two ...

DEVICE AND METHOD FOR TRANSMITTING FEEDBACK INFORMATION IN WIRELESS COMMUNICATION SYSTEM

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). A terminal in a wireless communication system according to an embodiment of the present invention comprises: a controller for determining a first size corresponding to a number of bits allocated for a first PMI (precoding matrix indicator) and a second size corresponding to a number of bits allocated for a second PMI; and a transmitting unit for transmitting feedback information, including the first PMI corresponding to the first size and the second PMI corresponding to the second size, to a base station. 1. A method for operating a terminal in a wireless communication system , the method comprising:determining a first size corresponding to a number of bits assigned for a first precoding matrix indicator (PMI) and a second size corresponding to a number of bits assigned for a second PMI; andtransmitting, to a base station, feedback information comprising the first PMI corresponding to the first size and the second PMI corresponding to the second size.2. The method of claim 1 , further comprising:receiving information indicating the first size and the second size that are determined by the base station.3. The method of claim 1 , further comprising:transmitting information indicating at least one of PMI blocks, wherein the PMI blocks are different subsets of PMIs.4. The method of claim 1 , further comprising:receiving information indicating at least one of PMI blocks, wherein the PMI blocks are different subsets of PMIs.513-. (canceled)14. An apparatus for a terminal in a wireless communication system claim 1 , the apparatus comprising:at least one transceiver; and determine a first size corresponding to a number of bits assigned for a first precoding matrix indicator (PMI) and a second size corresponding to a number of bits assigned for a second PMI; and', ...

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SIGNAL IN MULTI-CARRIER SYSTEM

The present invention relates to a 5th-generation (5G) or pre-5G communication system, which is to be provided for supporting a higher data transmission rate after the 4th-generation (4G) communication system, such as long term evolution (LTE). The present invention provides a method for receiving a signal in a multi-carrier system, the method comprising the steps of: performing, with respect to an input signal, a waveform pre-processing operation on the basis of at least one of an equalizing operation and a filtering operation; checking whether the waveform pre-processed signal is a Gaussian proximity signal; and performing soft-de-mapping with respect to the waveform pre-processed signal on the basis of a result of the checking. 1. A method for receiving a signal in a multi-carrier communication system , the method comprising:performing waveform pre-processing with respect to an input signal based on at least one of equalization and filtering;checking if the waveform pre-processed signal is a Gaussian proximity signal; andperforming soft de-mapping with respect to the waveform pre-processed signal based on a result of the checking.2. The method of claim 1 , wherein performing of the soft de-mapping with respect to the waveform pre-processed signal based on the result of the checking comprises:performing whitening with respect to the waveform pre-processed signal, if the waveform pre-processed signal is not the Gaussian proximity signal; andperforming the soft de-mapping with respect to the whitened signal based on a non-Gaussian parameter.3. The method of claim 1 , wherein performing of the soft de-mapping with respect to the waveform pre-processed signal based on the result of the checking comprises:performing the soft de-mapping with respect to the whitened signal based on a non-Gaussian parameter, if the waveform pre-processed signal is the Gaussian proximity signal.4. The method of claim 3 , wherein the non-Gaussian parameter comprises at least one of a shape ...

Apparatus and method for transmitting/receiving signal in multi-carrier system

The present invention relates to a 5th-generation (5G) or pre-5G communication system, which is to be provided for supporting a higher data transmission rate after the 4th-generation (4G) communication system, such as long term evolution (LTE). The present invention provides a method for receiving a signal in a multi-carrier system, the method comprising the steps of: performing, with respect to an input signal, a waveform pre-processing operation on the basis of at least one of an equalizing operation and a filtering operation; checking whether the waveform pre-processed signal is a Gaussian proximity signal; and performing soft-de-mapping with respect to the waveform pre-processed signal on the basis of a result of the checking.

Method and apparatus for soft demapping in rotated quadrature amplitude modulation (QAM) based communication system

A method and apparatus to perform a soft demapping in a rotated quadrature amplitude modulation (QAM) based communication system is described. The method and the apparatus include pre-processing a symbol based on a priori information and performing a one-dimensional (1D) soft demapping on the pre-processed symbol, continuously.

Apparatus and method for soft demapping

Provided are a soft demapping apparatus and method that may cancel interference included in a rotated quadrature amplitude modulation (QAM) signal, using at least one interference cancellation unit, and may perform one-dimensional (1D) soft demapping of the interference-cancelled rotated QAM signal.

Apparatus and method for soft demapping

Screen operation method for electronic device based on electronic device and control action

A screen operation method for an electronic device based on the electronic device and a control action is disclosed. The electronic device may include an input data receiving module for receiving input data through the device from a user, a unit presentation recognizing module for recognizing a unit presentation from the input data in order to control the electronic device, and a screen controlling module for controlling the screen of the electronic device based on the control action with which the unit presentation is combined.

Screen operation method for electronic device based on electronic device and control action

Apparatus and method for operating resource in wireless communication system

A method for operating a resource in a base station (BS) in a wireless communication system supporting multi-carrier is disclosed. The method includes acquiring reference information related to at least one resource block (RB) to be allocated to a user equipment (UE), determining a RB type to be used in the at least one RB based on the reference information, and transmitting, to the UE, information related to the RB type to be used in the at least one RB. The present disclosure relates to a communication method and system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT), which may be applied to intelligent services based on the 5G communication technology and the IoT-related technology.

Methode zum Entscheiden des Signalabfragungsauftrages in einem mobilen Kommunikationssystem

Airbag cushion

The present invention relates to an airbag cushion for protecting a driver and passengers when a vehicle crashes, wherein the sliding bent is guided into a belt guider and slides between a deployment portion and the belt guider, when the deployment portion is deployed. The sliding belt slides between the deployment portion and the belt guider in such a manner that before the deployment portion is deployed, the sliding belt clogs the first vent holes, when the deployment portion is partially deployed, the second vent hole forms a flow channel together with the first vent holes so that the gas is discharged along the flow channel through the first vent holes, and when the deployment portion is fully deployed, the sliding belt clogs the first vent holes so that the gas is not discharged through the first vent holes.

Method and apparatus for lattice reduction with reduced computational complexity

Provided is a method and apparatus for lattice reduction with reduced computational complexity. The apparatus and method include calculating an R matrix using sorted QR decomposition, and conducting an R-value test using an R-value based on diagonal elements of the R matrix and a threshold value. The R matrix is an upper triangular matrix. The apparatus and method further execute a loop comprising a size reduction and a conditional update of a basis vector corresponding to a column element of the R matrix in response to the R-value being greater than or equal to the threshold value. The apparatus and method conduct another R-value test based on the R matrix comprising the updated basis vector in response to the basis vector being updated.