Abstract: The present disclosure relates to determining proximity in a smart car system, and a method for operating a vehicle system comprises the steps of: receiving at least one signal transmitted by a user apparatus; transmitting measurement data for the at least one signal to a management apparatus; and receiving updated mapping data from the management apparatus for the measurement data and proximity data.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method for an electronic device according to various embodiments of the present invention comprises the steps of: registering user information and user customized setting information to a security server; detecting a relevant vehicle; and performing authentication in the security server by means of the user information if the relevant vehicle is detected, wherein, if the authentication is valid, the user customized setting information registered to the security server is transmitted to the relevant vehicle. However, the present invention is not limited to the above embodiments, and other embodiments are possible.

Abstract: A key authentication method of an apparatus is provided. The key authentication method includes receiving a signal from a terminal using a plurality of communication modules, determining whether the terminal is within a predetermined distance from the apparatus, on the basis of each signal received via the plurality of communication modules, and changing a control mode of a vehicle on which the apparatus is mounted, on the basis of whether the terminal is within the predetermined distance from the apparatus.

Abstract: Disclosed are a communication method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related services, and the like) on the basis of 5G communication technology and IoT-related technologies. According to various embodiments of the disclosure, a method for authenticating a smart key of an electronic device comprises the steps of: transmitting an authentication request in a predetermined cycle; receiving authentication responses from a smart key device; determining whether there is a relay attack on the basis of the interval of the received authentication responses; and authenticating the smart key device when it is determined that there is no relay attack.

Abstract: The present disclosure relates to determining proximity in a smart car system, and a method for operating a vehicle system comprises the steps of: receiving at least one signal transmitted by a user apparatus; transmitting measurement data for the at least one signal to a management apparatus; and receiving updated mapping data from the management apparatus for the measurement data and proximity data.

Abstract: The present disclosure relates to a communication technique and system thereof that fuses a 5G communication system with Internet of Things (IoT) technology to support a higher data rate than a 4G system. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or a connected car, a health care, a digital education, a retail, a security and safety related services, etc.) on the basis of 5G communication technology and IoT related technology. The present disclosure relates to a technology for a Sensor Network, a Machine to Machine (M2M), a Machine Type Communication (MTC) and an Internet of Things (IoT). The present disclosure may be utilized in the intelligent service (a smart home, a smart building, a smart city, a smart car or a connected car, a health care, a digital education, a retail, a security and safety related service, etc.) on the basis of the above technology.

Abstract: Disclosed are a communication method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system, and a system therefor. The disclosure can be applied to intelligent services (for example, smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related services, and the like) on the basis of 5G communication technology and IoT-related technologies. According to various embodiments of the disclosure, a method for authenticating a smart key of an electronic device comprises the steps of: transmitting an authentication request in a predetermined cycle; receiving authentication responses from a smart key device; determining whether there is a relay attack on the basis of the interval of the received authentication responses; and authenticating the smart key device when it is determined that there is no relay attack.

Abstract: The present invention relates to a communication technique, which is a convergence of IoT technology and 5G communication system for supporting higher data transmission rate beyond 4G system, and a system for same. The present invention can be applied to smart services (e.g. smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security- and safety-related services and the like) on the basis of 5G communication technology and IoT-related technology.

Abstract: 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.

Abstract: A multi-solution based radio system is provided. A radio system adaptively selects a solution to be used in a communication method based on a quality of service (QoS). The radio system estimates a QoS, such as by using information about at least one of a channel state, a signal state, a performance using a current solution, a complexity using a current solution, and a power consumption of a terminal with respect to a current solution. When the estimated QoS does not satisfy a predetermined condition, the radio system changes a current solution to an alternative solution or changes a parameter value applied to the current solution using feedback information.

Abstract: A low density parity check (LDPC) decoder, including a memory configured to store a log-likelihood ratio (LLR) value of bits output from a demapper, and an LLR message exchanged between a variable node and an inspection node. The LDPC decoder further includes a node processor configured to select a decoding algorithm from a first algorithm and a second algorithm based on a code rate of an LDPC code, and decode the LLR message based on the selected decoding algorithm.

Abstract: An apparatus and method for transmitting and receiving data based on a location is disclosed, the apparatus for receiving the data, for example, a data receiver includes a location predictor configured to predict a location of the receiver based on location information of the receiver, a data rate calculator configured to calculate a predicted data rate during an interval based on communication environment information corresponding to the location of the receiver and the predicted location, and a buffer configured to backlog data received in advance based on the predicted data rate.

Abstract: According to a communication network setting method of a wireless communication terminal, wireless communication can be performed with a communication network by reading in advance features related to a communication standard or a communication provider for recognizing a wireless communication network accessible at a current place, detecting features from a wireless communication signal received at the current place, and then setting a modem in a hardware or software scheme according to the features.

Abstract: A method and corresponding apparatus for processing a shuffle instruction are provided. Shuffle units are configured in a hierarchical structure, and each of the shuffle units generates a shuffled data element array by performing shuffling on an input data element array. In the hierarchical structure, which includes an upper shuffle unit and a lower shuffle unit, the shuffled data element array output from the lower shuffle unit is input to the upper shuffle unit as a portion of the input data element array for the upper shuffle unit.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: Provided is a loop scheduling method including scheduling a first loop using execution units, and scheduling a second loop using execution units available as a result of the scheduling of the first loop. An n-th loop (n>2) may be scheduled using a result of scheduling an (n?1)-th loop, similar to the (n?1)-th loop. The first loop may be a higher priority loop than the second loop.

Abstract: 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.

Abstract: 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.