Abstract: The invention relates to a method for controlling and monitoring a plurality of battery cells (2) in a battery pack (5), wherein: by means of at least one recording unit (20), a dataset of state variables from each battery cell (2) is recorded and transferred to a selection unit (32); by means of the selection unit (32), individual state variables from the plurality of state variable datasets are selected, which form a virtual dataset of state variables; by means of a simulation unit (34), a model of a virtual cell (8) is created from the selected state variables; and by means of a data-processing unit (36), a limit value for a charging current (I) for charging the battery cells (2) in the battery pack (5) is calculated from the selected state variables of the virtual cell (8).

Abstract: The invention relates to a method for controlling and monitoring a plurality of battery cells (2) in a battery pack (5), wherein: by means of at least one recording unit (20), a dataset of state variables from each battery cell (2) is recorded and transferred to a selection unit (32); by means of the selection unit (32), individual state variables from the plurality of state variable datasets are selected, which form a virtual dataset of state variables; by means of a simulation unit (34), a model of a virtual cell (8) is created from the selected state variables; and by means of a data-processing unit (36), a limit value for a charging current (I) for charging the battery cells (2) in the battery pack (5) is calculated from the selected state variables of the virtual cell (8).

Abstract: A method of authenticating a user of a head mounted display (HMD) device includes measuring a characteristic value of a head shape of the user who wears the HMD device by using at least one sensor included in the HMD device, and authenticating a use authority of the user who wears the HMD device based on the measured characteristic value and a characteristic value registered in advance for a head shape of a user who has an authority to use the HMD device.

Abstract: A device for transmitting a packet includes a first processor configured to generate a first packet based on a first content; a second processor configured to generate a second packet independently from the first processor based on a second content; a signaling processor configured to generate a signaling packet based on the first content and the second content; and a communication interface configured to transmit the first packet, the second packet, and the signaling packet, wherein the first processor, the second processor, and the signaling processor respectively generate the first packet, the second packet, and the signaling packet in parallel.

Abstract: A method and an apparatus for encoding and decoding in an electronic device are provided. In a decoding method, at least one parity symbol is received. A Cauchy matrix is generated using the at least one parity symbol. A Cauchy submatrix is configured from the Cauchy matrix based on the number of at least one lost data symbol and an inverse matrix of the Cauchy submatrix is calculated. At least one parity symbol corresponding to the at least one lost data symbol is updated. The at least one lost data symbol is recovered using the updated at least one parity symbol.

Abstract: A method and electronic device for encoding data are provided. The method includes acquiring sets xj (j=1 . . . k) and yi (i=1 . . . p) in generating a Generator Cauchy Matrix, wherein k denotes a number of information symbols, and p denotes a number of parity symbols, generating a matrix A1 using the sets xj and yi, wherein elements of the matrix A1 are obtained by 1 x j + y i and have weight of Galois field, and the matrix A1 has a size of P×K, generating a set K, wherein all elements of the set K are not included in the sets xj and yi, updating the set xj by changing at least one element of the set xj for an element of the set K, updating the set yi by changing at least one element of the set yi for the set K element, generating the Generator Cauchy Matrix using the updated sets xj and yi, and encoding data including the information symbols and parity symbols using the Generator Cauchy Matrix.

Abstract: A method and a system for estimating a parameter in a communication system are provided. The method includes estimating a parameter of a data channel model in a communication system, decoding a packet received through a determined noise channel to convert the packet into data indicating one of a success and failure of a reception of the packet, configuring a prototype channel having at least one unknown parameter, estimating the at least one unknown parameter using the data indicating the one of the success and the failure of the reception of the packet, and determining the size of a parity field of a forward error correction (FEC) symbol, using the estimated at least one unknown parameter.

Abstract: A terminal for generating a live image includes a memory for storing video content, and a live image generator for selecting a number of original frames from original frames constituting the video content in a standby mode, generating a new live image by interpolating the number of selected original frames, and outputting the generated live image as live wallpaper for the standby mode.

Abstract: A method and an apparatus for encoding and decoding in an electronic device are provided. In a decoding method, at least one parity symbol is received. A Cauchy matrix is generated using the at least one parity symbol. A Cauchy submatrix is configured from the Cauchy matrix based on the number of at least one lost data symbol and an inverse matrix of the Cauchy submatrix is calculated. At least one parity symbol corresponding to the at least one lost data symbol is updated. The at least one lost data symbol is recovered using the updated at least one parity symbol.

Abstract: A method and a system for estimating a parameter in a communication system are provided. The method includes estimating a parameter of a data channel model in a communication system, decoding a packet received through a determined noise channel to convert the packet into data indicating one of a success and failure of a reception of the packet, configuring a prototype channel having at least one unknown parameter, estimating the at least one unknown parameter using the data indicating the one of the success and the failure of the reception of the packet, and determining the size of a parity field of a forward error correction (FEC) symbol, using the estimated at least one unknown parameter.

Abstract: A method and electronic device for encoding data are provided. The method includes acquiring sets xj(j=1 . . . k) and yi(i=1 . . . p) in generating a Generator Cauchy Matrix, wherein k denotes a number of information symbols, and p denotes a number of parity symbols, generating a matrix A1 using the sets xj and yi, wherein elements of the matrix A1 are obtained by 1 x j + y i and have weight of Galois field, and the matrix A1 has a size of P×K, generating a set K, wherein all elements of the set K are not included in the sets xj and yi, updating the set xj by changing at least one element of the set xj for an element of the set K, updating the set yi by changing at least one element of the set yi for the set K element, generating the Generator Cauchy Matrix using the updated sets xj and yi, and encoding data including the information symbols and parity symbols using the Generator Cauchy Matrix.

Abstract: A device for transmitting a packet includes a first processor configured to generate a first packet based on a first content; a second processor configured to generate a second packet independently from the first processor based on a second content; a signaling processor configured to generate a signaling packet based on the first content and the second content; and a communication interface configured to transmit the first packet, the second packet, and the signaling packet, wherein the first processor, the second processor, and the signaling processor respectively generate the first packet, the second packet, and the signaling packet in parallel.

Abstract: A method and apparatus for processing software using a hash function to secure the software includes generating a first identifier using a hash function, from a first serial number, based on a user input; and generating a security execution file by combining the first identifier with the software, wherein the first serial number is authentication information used to verify an access right to the software. The method and apparatus further include, in response to receiving an outside request for access to the software, requesting information proving an access right; generating a second identifier using the hash function, from a second serial number that is included in the received information proving the access right; and in response to a determination that the second identifier matches the first identifier, allowing an access to the software.

Abstract: A terminal for generating a live image includes a memory for storing video content, and a live image generator for selecting a number of original frames from original frames constituting the video content in a standby mode, generating a new live image by interpolating the number of selected original frames, and outputting the generated live image as live wallpaper for the standby mode.