Abstract: Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.

Abstract: A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC) and receiving a secondary synchronization signal (SSS) comprising a first secondary synchronization code (SSC) and a second SSC, wherein the SSS includes a first SSS and a second SSS, the first SSC and the second SSC are arranged in that order in the first SSS, and the second SSC and the first SSC are arranged in that order in the second SSS. Detection performance on synchronization signals can be improved, and cell search can be performed more reliably.

Abstract: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by using various length sequence as a reference signal sequence can be minimized by grouping sequences having the high cross correlation relation.

Abstract: A method for transmitting a reference signal by a user equipment (UE) in a wireless communication system. The UE generates an uplink reference signal in a subframe comprising first, second, third, fourth, fifth, sixth and seventh orthogonal frequency division multiplexing (OFDM) symbols in time domain and a plurality of subcarriers in frequency domain. The UE transmits the uplink reference signal to a base station in the third, fourth and fifth OFDM symbols. The transmitted uplink reference signal is hopped in the frequency domain, based on a cell specific hopping parameter.

Abstract: A method of mapping a physical resource to a logical resource in a wireless communication system is described. The method includes dividing a physical frequency band into at least one frequency partition. Each frequency partition is divided into a localized region and a distributed region in a frequency domain. The method further includes mapping the at least one frequency partition into at least one logical resource unit. The localized region is directly mapped into the logical resource unit and the distributed region is mapped into the logical resource unit after rearranging subcarriers within the distributed region.

Abstract: A symbol mapping method for repetition coding is disclosed. The symbolmapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side usesrepetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity.

Abstract: Provided is a bushing for manufacturing a three-dimensional composite preform using a tow made of a fiber reinforced polymer. The bushing includes a base plate in which one or more through-holes are formed, and a plurality of spools spaced apart from each other on the base plate. A flat top is formed at an end portion of the spools, and grooves are formed on outer surfaces of the plurality of spools in a circumferential direction thereof.

Abstract: A driving device for a vertically movable waist bar of a vehicle is provided. The driving device enables the waist bar to be moved vertically in conjunction with the door glass to ensure the driver's vision by eliminating an invisible area created by the waist bar, and also to increase available indoor space. The driving device includes a transfer unit that is coupled to the waist bar mounted at a vehicle door and configured to be movable vertically, and a power transmission unit that is connected at a first side thereof to the transfer unit and at a second side thereof to a drive unit to transmit power generated from the drive unit to the transfer unit. Additionally, the waist bar is moved vertically in response to the vertical movement of the transfer unit.

Abstract: Provided is a remote screen transmitting method and a remote screen transmitting system. The remote screen transmitting method may include collecting, on a predetermined cycle, power data from a thin client terminal connected to a virtualization server through a network, determining a remote screen transmitting scheme based on the collected power data, and transmitting, to the thin client terminal, a first remote screen associated with an application executed on the virtualization server based on the remote screen transmitting scheme.

Abstract: An ice maker is provided that varies an amount of heat transferred between an ice making member connected to a cooling unit and water being in direct or indirect contact with the ice making member according to portions of the ice making member, and producing ice in various forms including rounded ice without edges, especially spherical ice, on the ice making member, the ice maker including a cooling unit performing cooling; at least one ice making member connected to the cooling unit and being in direct or indirect contact with water to allow ice to be produced thereon; with an amount of heat transferred between the ice making member and the water being in direct or indirect contact with the ice making member varies according to portions of the ice making member, such that ice is produced in various forms on the ice making member.

Abstract: Provided are an information collecting apparatus, an information analyzing apparatus, and an information transferring method based on different Internet of things (IoT) platforms. The information collecting apparatus includes a reception unit configured to receive pieces of platform-based device generation information from IoT devices by platforms, a memory configured to store the received pieces of platform-based device generation information, and a transmission unit configured to simultaneously transmit the pieces of platform-based device generation information, stored in the memory, to an information analyzing apparatus.

Abstract: A method of allocating control information in a wireless communication system is provided. The method includes: allocating essential control information of a first system to a first sub-frame in a frame including a plurality of sub-frames each of which comprises a plurality of orthogonal frequency-division multiplexing (OFDM) symbols; and allocating essential control information of a second system to an nth sub-frame in a fixed position from the first sub-frame (where n is an integer satisfying n>1). Accordingly, in a frame supporting heterogeneous systems, essential control information can be fixedly allocated to a specific position while maintaining the number of system switching points, at which switching occurs between the systems, to one even if a radio resource allocation amount changes between the systems, and thus the essential control information that must be received by all user equipments can be effectively provided without the increase of overhead.

Abstract: A base station transmits a random access response in response to a random access request (random access preamble) of a user equipment. The random access response includes information about a time when the random access request is transmitted and sequence number information of the random access request (random access preamble). The user equipment checks whether the received random access response is the response of the random access request transmitted by the user equipment, using the information about the time when the random access request is transmitted and the sequence number information included in the received random access response.

Abstract: Provided is an apparatus for bi-directional sign language/speech translation in real time and method that may automatically translate a sign into a speech or a speech into a sign in real time by separately performing an operation of recognizing a speech externally made through a microphone and outputting a sign corresponding to the speech, and an operation of recognizing a sign sensed through a camera and outputting a speech corresponding to the sign.

Abstract: A method of performing cell search includes receiving a primary synchronization signal (PSS) comprising a primary synchronization code (PSC) and receiving a secondary synchronization signal (SSS) comprising a first secondary synchronization code (SSC) and a second SSC, wherein the SSS includes a first SSS and a second SSS, the first SSC and the second SSC are arranged in that order in the first SSS, and the second SSC and the first SSC are arranged in that order in the second SSS. Detection performance on synchronization signals can be improved, and cell search can be performed more reliably.

Abstract: A method and apparatus for requesting uplink resources in a wireless communication system is provided. A user equipment determines whether a scheduling request for requesting uplink resources is triggered. If the scheduling request is triggered, the user equipment transmits a first set of frequency domain sequences and a second set of frequency domain sequences in a subframe.

Abstract: A vehicle connected to a terminal of a user to perform dialing includes a speech input unit that receives a speech of the user, a speech recognition unit that recognizes a command included in the received speech, a control unit that determines a preparation state for performing the dialing, and a display unit that displays information about the preparation state when preparation for performing the dialing is not completed.

Abstract: A method of transmitting control signals in a wireless communication system includes multiplexing a first control signal with a second control signal in a slot, the slot comprising a plurality of orthogonal frequency division multiplexing (OFDM) symbols in time domain, the plurality of OFDM symbols being divided into a plurality of data OFDM symbols and a plurality of reference signal (RS) OFDM symbols, wherein the first control signal is mapped to the plurality of data OFDM symbols after the first control signal is spread by a base sequence in the frequency domain, the RS is mapped to the plurality of RS OFDM symbols, the second control signal is mapped to at least one of the plurality of RS OFDM symbols, and transmitting the first control signal and the second control signal in the slot.

Abstract: A method is provided for transmitting, by a base station, signals in a communication system. Carrier aggregation configuration information is transmitted to a mobile station via a primary carrier band of the mobile station. The carrier aggregation configuration information informs the mobile station of a subsidiary carrier band for the mobile station. Uplink control information for the subsidiary carrier band is received from the mobile station via the primary carrier band. The carrier aggregation configuration information includes a physical identification of a frequency allocation band used as the subsidiary carrier band and a logical identification assigned to the subsidiary carrier band for the mobile station. The physical identification includes one of plural absolute frequency band indexes assigned to frequency allocation bands available in the communication system. The logical identification includes a logical index assigned to the subsidiary carrier band identifying the subsidiary carrier band.

Abstract: A symbol mapping method for repetition coding is disclosed. The symbol mapping method comprises performing repetition coding on codeword to output repeated codeword symbols, and mapping the repeated codeword symbols with subcarriers located in different localized resource blocks. According to the embodiments of the present invention, it is possible to obtain maximum reliability in a receiving side by mapping codeword bits with subcarriers to reduce the number of bits having low reliability when a transmitting side uses repetition coding. Also, it is possible to improve decoding throughput and obtain channel diversity.