Patent application number | Description | Published |
20100322066 | METHOD AND APPARATUS FOR TRANSMITTING MIDAMBLE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus of transmitting a midamble in a wireless communication system is provided. A base station (BS) generates a midamble sequence for each of a plurality of antennas, and transmits the midamble sequence to a user equipment for each antenna. A location of a subcarrier to which each midamble sequence is mapped is determined based on a frequency reuse factor (FRF). | 12-23-2010 |
20110113307 | APPARATUS AND METHOD FOR TRANSMITTING DATA USING A CTC (CONVOLUTIONAL TURBO CODE) ENCODER IN A MOBILE COMMUNICATION SYSTEM - Disclosed are an apparatus and a method for transmitting data using a CTC (Convolutional Turbo Code) encoder in a mobile communication system. The data transmission method according to the present invention includes: a first encoding step of encoding input data bits inputted through two input terminals of the CTC encoder and outputting first encoding bits; a step of interleaving the input data bits by using four CTC interleaver parameters (P0, P1, P2, and P3) corresponding to the sizes of the input data bits; a second encoding step of encoding the interleaved data bits and outputting second encoding bits; and a step of selectively transmitting the input data bits, the first encoding bits, and the second encoding bits to a receiving side in accordance with a predetermined coding rate, wherein the sizes of the input data bits are one of M-number of predefined data bit sizes, and P0 of the CTC interleaver parameters corresponding to the sizes of the input data bits is a relative prime number to N which is ½ of a data block size, P1 is a natural number which is a multiple of 2, P2 is a natural number which is a multiple of 4, and P3 is a natural number which is a multiple of 2 if P1 mod4=2 and a natural number which is a multiple of 4 if P1mod4=0. | 05-12-2011 |
20110274199 | METHOD OF TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - The method includes generating coded bits by encoding information bits, dividing the coded bits into a first bit-stream and a second bit-stream, generating a first data symbol by performing anti-gray mapping on the first bit-stream, generating a second data symbol by performing gray mapping on the second bit-stream, and transmitting the first data symbol and the second data symbol. Reliability of bits can be improved in the first bit-stream and the second bit-stream by using different mapping schemes. | 11-10-2011 |
20120185756 | APPARATUS AND METHOD FOR TRANSMITTING DATA USING A CTC (CONVOLUTIONAL TURBO CODE) ENCODER IN A MOBILE COMMUNICATION SYSTEM - A method of transmitting data using a Convolutional Turbo Code (CTC) encoder by a transmitting end in a mobile communication system includes providing first encoded bits by encoding input data bits inputted to two input ports of the CTC encoder, interleaving the input data bits using 4 CTC interleaver parameters (P | 07-19-2012 |
20140073336 | TRANSMITTING CONFIGURATION INFORMATION OF INTERFERENCE MEASUREMENT RESOURCE, AND MEASURING INTERFERENCE - The disclosure is related to transmitting configuration information of interference measurement resources (IMRs) and measuring interference in a downlink CoMP environment. | 03-13-2014 |
20140092836 | ADJUSTING BLIND DECODING OF DOWNLINK CONTROL CHANNEL - The present disclosure is related to adjusting a blind decoding of a downlink control channel in a base station. A method of adjusting a blind decoding of a downlink control channel may include creating an enhanced physical downlink control channel (EPDCCH) using the number of EPDCCH candidates per aggregation level (AL) in each of one or more EPDCCH sets for user equipment; and transmitting the created EPDCCH to the user equipment. Herein, the number of EPDCCH candidates is determined based on at least one of (i) a resource size associated with configuration of each EPDCCH set and (ii) the total number of EPDCCH sets. | 04-03-2014 |
20150271693 | METHOD FOR TRANSMITTING AND RECEIVING THE CHANNEL STATE INFORMATION AND APPARATUS THEREOF - The present disclosure relates to an apparatus and a method for transmitting and receiving channel state information of a User Equipment that supports 256-state quadrature amplitude modulation (256QAM). The method may include: receiving a reference signal for measuring channel quality from a base station; measuring the channel quality based on the reference signal, and selecting a CQI index value from a predetermined CQI index table including CQI index values for 256QAM modulation, based on the measurement result of the channel quality; and transmitting channel state information including the selected CQI index value to the base station. | 09-24-2015 |
20150271794 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DOWNLINK CONTROL INFORMATION - The present disclosure relates to a method and an apparatus for transmitting and receiving DCI for supporting 256QAM. Particularly, the method for receiving DCI by a user equipment, may include: transmitting, to a base station, channel state information including information obtained by measuring a channel quality state; receiving, from the base station, the DCI including an MCS index value selected based on the channel state information in a predetermined MCS index table including an MCS index value corresponding to a 256QAM modulation method; and identifying modulation information on downlink data on the basis of the selected MCS index value. | 09-24-2015 |
20150271802 | METHOD OF DETERMINING TRANSPORT BLOCK SIZE AND APPARATUSES THEREOF - The present disclosure relates to a method and apparatus for determining a Transport Block Size (TBS) in a wireless communication system, and more particularly, to a method and apparatus for determining a TBS table in association with 256 QAM. Particularly, a method for a base station to transmit data includes receiving Channel State Information (CSI) from a User Equipment, determining a Transport Block Size (TBS) value based on a TBS table including indices corresponding to the 256QAM modulation scheme and the number of allocable Physical Resource Block (PRB) pairs, and transmitting data using the TBS value. | 09-24-2015 |