Abstract: The present invention relates to a multi-functional support pole assembly. In particular, the present invention provides the advantage of improving operational reliability as well as preventing deterioration of urban area appearance, by comprising: a pole body provided in a hollow form and having a plurality of antenna mounting grooves formed through cutting so as to be spaced apart at a predetermined angle in a circumferential direction such that a plurality of antenna devices can be installed in the circumferential direction; and ventilation panels which are attached to remaining portions of the antenna mounting grooves not occupied by the plurality of antenna devices, and have a plurality of ventilation holes for introducing external air into the interior of the pole body.

Abstract: An embodiment of the present specification provides a method for preparing a catalyst for preparing a carbon nanotube, comprising: (a) dissolving a main catalyst precursor, a support precursor, a cocatalyst precursor and a precipitation inhibitor in a solvent to prepare a precursor solution; and (b) pyrolyzing the precursor solution by spraying the precursor solution into a reactor, wherein a mole fraction of the precipitation inhibitor to the cocatalyst precursor is 0.1 to 1.5.

Abstract: The present invention relates to a support pole assembly for mounting an antenna and, particularly, to a support pole assembly for mounting an antenna, comprising: a support pole which is formed in a hollow structure and has an antenna device mounting hole formed at the circumferential surface thereof; an antenna device which is mounted to the support pole while passing through and covering the antenna device mounting hole and the rear portion of which is placed in the inner space of the support pole. Accordingly, the present invention provides an advantage in that the protrusion amount of the antenna device with respect to the support pole is reduced and thus the space required for mounting the antenna device can be reduced.

Abstract: A wireless communication device support assembly is disclosed, including a support pole comprising a hollow interior, a first frame having a polygonal shape disposed on top of the support pole, a plurality of wireless communication devices disposed inside the first frame, at least one or more rotational advertising apparatuses controllably elevated in a direction parallel to a longitudinal direction of the support pole, a drive unit configured to elevate or lower the rotational advertising apparatus, and a plurality of lift ropes having first ends connected with tops of the rotational advertising apparatuses and second ends connected with the drive unit.

Abstract: The present invention relates to a clamping apparatus for an antenna device, and particularly, to a clamping apparatus including a rotation unit configured to rotate an antenna device in a horizontal direction, a tilting unit configured to rotate the antenna device in a vertical direction, and a connection arm configured to install at least one of the rotation unit and the tilting unit on a support pole so that the support pole is not positioned on a horizontal rotation path and a vertical rotation path of the antenna device, thereby reducing an installation space for an antenna device with respect to the support pole.

Abstract: A 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data rate than a beyond 4th generation (4G) communication system, such as long-term evolution (LTE) is provided. An electronic device performs interleaving on codeword bits, according to a polar code sequence corresponding to the codeword bits, allocates the interleaved codeword bits respectively to blocks, and transmits at least one symbol generated as a result of performing modulation on the interleaved codeword bits for each block, based on the allocation, on at least one resource block corresponding to each of the blocks.

Abstract: A semiconductor chip for correcting an aligned error comprises a memory array; a transceiver circuit; and an Error Correction Code (ECC) circuit, wherein the ECC circuit is configured to: receive target data to be encoded, encode the target data by multiplying a generator matrix of a previously generated ECC by the target data, store the encoded target data in the memory array, check a data transformed from the encoded target data, and generate an error corrected data by correcting only a single error of the transformed data and an adjacent error that does not exceed a first value boundary of a predetermined number of bits by using a parity check matrix of the ECC, and output the error corrected data.

Abstract: There is provided a method for generating a burst error correction code. The method comprises: setting a mother code; defining a syndrome set corresponding to each burst error pattern for at least two burst error patterns to be corrected based on the mother code; shortening a column of a PCM (parity check matrix) of the mother code so that the defined syndrome sets are relatively prime; and designing an error correction code for the each burst error pattern based on an optimal generator polynomial maximizing a length of the shortened code within a range of a length of a parity bit of the mother code or a syndrome vector included in the syndrome set that is relatively prime.

Abstract: A method of a first communication device for removing a self-interference signal in a wireless communication system is provided. The method includes receiving a signal having a size less than a first threshold value from a second communication device in a first interval within a first frame, transmitting a first signal to a third communication device in the first interval, and estimating a self-interference channel through which the self-interference signal is transmitted based on the signal received in the first interval and the first signal transmitted in the first interval. The self-interference signal is a signal transmitted by the first communication device and is received by the first communication device through the self-interference channel.

Abstract: The disclosure relates to a communication technique and a system for combining a 5G communication system with IoT technology to support a higher data rate after a 4G system. Based on 5G communication and IoT-related technologies, the disclosure may be applied to intelligent services such as smart homes, smart buildings, smart cities, smart or connected cars, healthcare, digital education, retail, and security and safety related services. The disclosure provides a method and apparatus that enable a communication device supporting full duplex to cancel the self-interference signal in the digital domain.

Abstract: An encoding method for encoding input information bits using an encoder implemented with concatenation of a CRC-? coder and a polar coder is provided. The method includes performing Cyclic Redundancy Check (CRC) coding on as many information bits as a determined number of CRC coding bits among input information bits and performing polar coding on the CRC-coded information bits and other information bits than the CRC-coded information bits.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. The disclosure relates to a method and an apparatus for enhancement of self-interference channel estimation performance to secure self-interference removal performance in full-duplex (FD) communication and, more specifically, to a method and an apparatus for scheduling a transmission resource for enhanced self-interference channel estimation in the FD communication.

Abstract: An LDPC decoding method of a received signal including a plurality of received symbols is provided. A decoding apparatus selects a perturbation space in which perturbation is to be performed based on a code length of the received signal and a maximum number of perturbation rounds indicating a number of perturbation rounds that can be performed, and performs a perturbation round. The decoding apparatus performs perturbation on a corresponding received symbol among the plurality of received symbols in each perturbation round, and decodes the received signal on which the perturbation has been performed. The decoding apparatus determines that decoding is successful when there is a perturbation round in which a decoding result of the received signal satisfies a predetermined condition.

Abstract: An LDPC decoding method of a received signal including a plurality of received symbols is provided. A decoding apparatus selects a perturbation space in which perturbation is to be performed based on a code length of the received signal and a maximum number of perturbation rounds indicating a number of perturbation rounds that can be performed, and performs a perturbation round. The decoding apparatus performs perturbation on a corresponding received symbol among the plurality of received symbols in each perturbation round, and decodes the received signal on which the perturbation has been performed. The decoding apparatus determines that decoding is successful when there is a perturbation round in which a decoding result of the received signal satisfies a predetermined condition.

Abstract: The disclosure relates to a communication technique and a system for combining a 5G communication system with IoT technology to support a higher data rate after a 4G system. Based on 5G communication and IoT-related technologies, the disclosure may be applied to intelligent services such as smart homes, smart buildings, smart cities, smart or connected cars, healthcare, digital education, retail, and security and safety related services. The disclosure provides a method and apparatus that enable a communication device supporting full duplex to cancel the self-interference signal in the digital domain.

Abstract: A method of a first communication device for removing a self-interference signal in a wireless communication system is provided. The method includes receiving a signal having a size less than a first threshold value from a second communication device in a first interval within a first frame, transmitting a first signal to a third communication device in the first interval, and estimating a self-interference channel through which the self-interference signal is transmitted based on the signal received in the first interval and the first signal transmitted in the first interval. The self-interference signal is a signal transmitted by the first communication device and is received by the first communication device through the self-interference channel.

Abstract: An encoding method for encoding input information bits using an encoder implemented with concatenation of a CRC-? coder and a polar coder is provided. The method includes performing Cyclic Redundancy Check (CRC) coding on as many information bits as a determined number of CRC coding bits among input information bits and performing polar coding on the CRC-coded information bits and other information bits than the CRC-coded information bits.

Abstract: Disclosed is an X-ray tube for improving electron focusing, which allows thermoelectrons emitted from a filament to efficiently reach a target of an X-ray irradiation window. To achieve this, the X-ray tube includes: a thermionic emitter configured to emit thermoelectrons by application of a negative high voltage; a focusing tube configured to focus the thermoelectrons emitted from the thermionic emitter; an X-ray irradiation window configured to irradiate X-rays outside by the thermoelectrons bombarded on a target distributed on the X-ray irradiation window, to generate the X-rays after the thermoelectrons pass through the focusing tube; a tube part including both the thermionic emitter and the focusing tube; and a housing surrounding the tube part, wherein the focusing tube and the housing are configured to have a same potential such that movement directions of the thermoelectrons are directed to the X-ray irradiation window.

Abstract: An encoding method for encoding input information bits using an encoder implemented with concatenation of a CRC-? coder and a polar coder is provided. The method includes performing Cyclic Redundancy Check (CRC) coding on as many information bits as a determined number of CRC coding bits among input information bits and performing polar coding on the CRC-coded information bits and other information bits than the CRC-coded information bits.

Abstract: A receiver and method of signal processing are provided. The receiver includes: an antenna configured to receive superposition coding signals from a plurality of base stations, and a signal processor configured to decode the superposition coding signals in modulation and coding scheme (MCS) block units of a plurality of layer signals constituting each of the superposition coding signals according to whether reception powers of the superposition coding signals satisfy a preset condition.