Electronics and Telecommunications Research Institute

Lg Energy Solution, Ltd.

Bo-Mi Lim

Sung-Ik Park

Jae-Young Lee

Sun-Hyoung Kwon

Heung-Mook Kim

Nam-Ho Hur

Hoi-Yoon Jung

Jin-Hyuk Song

Sung-Jun Ahn

Jae-Hyun Seo

Hyun-Jeong Yim

Hae-Chan Kwon

David Gomez-Barquero

Eduardo Garro

Yoon-Jung Bae

Dae-Soo Kim

Dong-Joon Choi

A-Ming Cha

Hyun-Jun Choi

Jeong-Chang Kim

Jordi Joan Gimenez

Heung-Mook Kin

An apparatus for diagnosing a state of a battery includes a processor and memory having programmed thereon instructions that, when executed, are configured to cause the processor to obtain plurality of differential profiles representing a corresponding relationship between a differential capacity representing a change rate of a capacity of a battery with respect to a voltage of the battery and the voltage; determine a target peak located in a predetermined voltage section in each of the plurality of differential profiles; compare a plurality of voltages of a plurality of target peaks with a plurality of voltages of a reference peaks preset to correspond to each of the plurality of target peaks, and diagnose a state of the battery based on the voltage comparison result.

Apparatus and method for diagnosing state of battery

Disclosed herein are an apparatus and method for channel bonding-based multi-antenna signal transmission in a broadcasting system. An apparatus for channel bonding-based multi-antenna signal transmission includes an input formatting unit for converting input data into a Physical Layer Pipe (PLP), a stream partitioning unit for partitioning the PLP into pieces of data to be transmitted to two or more channels, respectively, and two or more transmission units for transmitting the pieces of data resulting from partitioning to corresponding channels through multiple antennas.

Apparatus and method for channel bonding-based multi-antenna signal transmission in broadcasting system

Disclosed herein are a method and apparatus for transmitting an 8K Scalable High Efficiency Video Coding (SHVC) service based on broadcast network interconnection. The method includes defining signaling information for the 8K SHVC service, and delivering the defined signaling information to a MPEG Media Transport (MMT)/Real time Object delivery Over Unidirectional Transport (ROUTE) packetizer or to a gateway, separating 8K content into a base layer compatible with a broadcast network and an enhancement layer compatible with a communication network, delivering the base layer from the MMT/ROUTE packetizer to a receiver through the gateway and a transmitter, and delivering the enhancement layer to the receiver through a Dynamic Adaptive Streaming over HTTP (DASH) server.

Method and apparatus for transmitting 8K SHVC service based on broadcast network interconnection

A battery management system includes a sensor to sense voltage and current of a battery, memory to store over-potential management information including reference peak and reference peak voltage values, and a controller to command constant-current charging using a maximum allowable C-rate to a charging circuit when the reference peak value is equal to or larger than a threshold peak value, in response to a charge request, determine a differential capacity curve indicating a correlation between the voltage and differential capacity of the battery within a range based on the sensed voltage and current during the charging, determine main peak and main peak voltage values indicating differential capacity and voltage of a peak of the differential capacity curve, respectively, and update the reference peak and reference peak voltage values to equal the main peak and main peak voltage values, when the main peak value is less than the threshold peak value.

Battery management system, battery management method, battery pack, and electric vehicle

An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to reduce power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing time-interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling start position information and size information for each of Physical Layer Pipes (PLPs). In this case, the Physical Layer Pipes include a core layer physical layer pipe corresponding to the core layer signal and an enhanced layer physical layer pipe corresponding to the enhanced layer signal.

Broadcast signal frame generation device and broadcast signal frame generation method, which use enhanced layer physical layer pipe

There are provided a battery management apparatus, a battery management method and a battery pack. The battery management apparatus sets at least one of a plurality of external variables as a valid external variable for each internal variable using a plurality of input data sets associated with the external variables that can be observed outside a battery cell and a plurality of desired data sets associated with the internal variables that are not observed outside the battery cell.

Battery management apparatus, battery management method and battery pack

Disclosed herein are a broadcast signal transmission/reception method using multiple antennas and layered-division multiplexing and an apparatus for the same. A broadcast signal transmission apparatus includes a Multiple-Input Multiple-Output (MIMO) Bit-Interleaved Coded Modulation (BICM) unit for dividing enhanced layer data into two enhanced layer signals having different polarizations, a combination unit for generating a multiplexed signal corresponding to a first transmitting antenna by combining a core layer signal corresponding to core layer data with a first enhanced layer signal, and transmission signal generation units for generating a first transmission signal, corresponding to the multiplexed signal and transmitted through the first transmitting antenna, and a second transmission signal, corresponding to a second enhanced layer signal and transmitted through a second transmitting antenna.

Broadcast signal transmission/reception method using multiple antennas and layered-division multiplexing and apparatus for the same

There are provided a battery management apparatus, a battery management method and a battery pack. The battery management apparatus includes a sensing unit configured to detect a current, a voltage and a temperature of a battery, and a control unit. The control unit determines a first candidate value for a state of charge (SOC) of the battery using ampere counting. The control unit determines a Kalman gain and a second candidate value for the SOC using an extended Kalman filter. The control unit determines the first candidate value as the SOC when a difference value between the first candidate value and the second candidate value is larger than a threshold value. The control unit adjusts a ratio of second process noise to first process noise in the extended Kalman filter based on a first component and a second component of the Kalman gain.

Disclosed herein are a method for transmitting a broadcast signal for signaling information about a combination of Layered-Division Multiplexing (LDM) technology and Multiple-Input Multiple-Output (MIMO) technology and an apparatus using the method. The method includes generating first signaling information indicating whether MIMO technology is applied to an enhanced layer by LDM technology, generating second signaling information indicating an MIMO application method when the MIMO technology is applied to the enhanced layer, and generating a broadcast signal using the first signaling information and the second signaling information.

Apparatus for transmitting broadcast signal for signaling information about combination of LDM and MIMO and method using the same

There are provided a battery management apparatus, a battery management method and a battery pack. The battery management apparatus generates a first data set including a first current value, a first voltage value and a first temperature value indicating a current, a voltage and a temperature of a battery. The battery management apparatus generates a second data set from the first data set using an error generator. The battery management apparatus determines a first candidate value, a second candidate value and a third candidate value for a state of charge (SOC) respectively from the first current value, the first data set and the second data set. The control unit updates a correction value when a second difference value between the first candidate value and the third candidate value is smaller than a first difference value between the first candidate value and the second candidate value.

Battery management device, battery management method, and battery pack

A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 4/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 16-symbol mapping.

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 4/15 and 16-symbol mapping, and bit interleaving method using same

An apparatus and method for generating a broadcast signal frame corresponding to a time interleaver supporting a plurality of operation modes are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information corresponding to the time interleaver, the preamble includes a field indicating a start position of a first complete FEC block corresponding to each of physical layer pipes.

Device for generating broadcast signal frame including preamble indicating starting position of first complete FEC block, and method for generating broadcast signal frame

A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 3/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 64-symbol mapping.

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 3/15 and 64-symbol mapping, and bit interleaving method using same

An apparatus and method for broadcast signal frame using layered division multiplexing are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal at different power levels; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling, start position information of Physical Layer Pipes (PLPs) and time interleaver information shared by the core layer signal and the enhanced layer signal.

Broadcast signal frame generating apparatus and broadcast signal frame generating method using layered division multiplexing

A bit interleaver, a bit-interleaved coded modulation (BICM) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory. The first memory stores a low-density parity check (LDPC) codeword having a length of 16200 and a code rate of 2/15. The processor generates an interleaved codeword by interleaving the LDPC codeword on a bit group basis. The size of the bit group corresponds to a parallel factor of the LDPC codeword. The second memory provides the interleaved codeword to a modulator for 256-symbol mapping.

Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 2/15 and 256-symbol mapping, and bit interleaving method using same

Growing community of inventors

Daejeon, South Korea

Bo-Mi Lim