Lg Electronics Inc.

Optis Cellular Technology, LLC

Wild Guard Ltd.

Hyundai Motor Company

Kia Motors Corporation

Korea Advanced Institute of Science and Technology

Soongsil University

Konkuk University Industrial Cooperation Corp

Hak Seong Kim

Ki Jun Kim

Joon Kui Ahn

Bong Hoe Kim

Dong Youn Seo

Dae Won Lee

Han Byul Seo

Young Woo Yun

Suk Hyon Yoon

Dong Wook Roh

Eun Sun Kim

Byoung Hoon Kim

Yong Kim

Jung Hoon Lee

Seung Hwan Won

Sung Duk Choi

Seong Hoon Jeong

Yu Jin Noh

In Jae Jung

Byeong Geol Cheon

Young Seob Choi

Soon Yil Kwon

Byeong Woo Kang

Hyun Wook Park

Byoung-Hoon Kim

Yujin Noh

Yo An Shin

Dong-Wook Roh

Young Dae Lee

Min Seok Noh

Bonghoe Kim

Suck Chel Yang

Ki Baek Kim

Eun Sik Kim

Hyung Tae Kim

Byoung Nam Kim

Jong Heon Kim

Hyun Cheol Kim

In Kwon Seo

Sung Yool Choi

E Rang Lim

Byungguk Kim

Yoon-Gi Kim

Ki Ho Lee

Jisoo Baek

Hyun Jong Chung

San Hae Kim

Han Byeol Lee

Sun Keun Lee

Seo Dong Youn

Mo Chan Yang

Shan Ai Wu

Oh Soon Shin

Yu Suhk Suh

A method of supporting Hybrid Automatic Repeat Request (HARQ) includes receiving an initial uplink grant on a downlink channel, transmitting uplink data on an uplink channel using the initial uplink grant, receiving a request for retransmission of the uplink data, determining at least one transmission parameter of a channel quality indicator (CQI) from the initial uplink grant, multiplexing retransmission data of the uplink data with the CQI, and transmitting the multiplexed data on the uplink channel. Amount of resources for transmission of the CQI is determined based on the at least one transmission parameter.

Method and apparatus for supporting HARQ

A method performed by a user equipment (UE) in a wireless communication system, includes receiving a sounding reference signal (SRS) configuration via a radio resource control (RRC) signaling, the SRS configuration indicating a subframe configured for SRS transmission, wherein the SRS configuration includes an indicator indicating whether an aperiodic SRS transmission or a periodic SRS transmission is performed in the subframe configured for SRS transmission; based on the indicator indicating that the aperiodic SRS transmission is performed, receiving request information for requesting a transmission of an SRS and aperiodically transmitting the SRS in the configured subframe; and based on the indicator indicating that the periodic SRS transmission is performed, periodically transmitting the SRS in the configured subframe.

Method and device for transmitting a sounding reference signal

A method for monitoring a control channel in a wireless communication system is discussed. The method includes monitoring, by the wireless device, a downlink control channel in a search space of a subframe, wherein the downlink control channel has transmitted based on a localized transmission or a distributed transmission; and receiving, by the wireless device, downlink control information (DCI) via the downlink control channel, wherein the downlink control channel is monitored in at least one enhanced control channel element (ECCE) in a search space, each of the at least one ECCE including a plurality of enhanced resource element groups (EREGs), wherein the plurality of EREGs in each of the at least one ECCE are mapped to one of a plurality of physical resource block (PRB) pairs, for the localized transmission, and wherein the plurality of EREGs are associated with a single antenna port selected from a plurality of antenna ports based on an index of the at least one ECCE and the wireless device's specific information, for the localized transmission.

Method for monitoring control channel and wireless device

An apparatus and method for transmitting channel state information in a wireless communication system are disclosed. The UE apparatus for transmitting channel state information includes a channel state measurement module for measuring a channel state based on a level of interference received from a neighbor cell, a channel state information generation module for generating channel state information for a plurality of resource regions or for periodic and aperiodic channel state information reporting modes using the measured channel state and offsets received from a serving BS, the offsets being set for the plurality of resource regions or the periodic and aperiodic channel state information reporting modes, and a transmission module for transmitting the generated channel state information to the serving BS.

Apparatus and method for transmitting channel state information in a wireless communication system

A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.

Method for transmitting uplink signals

A method of allocating radio resources in a multi-carrier system is disclosed, by which a signaling message can be efficiently transmitted according to necessity of a user equipment. In a user equipment of a mobile communication system transceiving data using a plurality of subcarriers, the present invention includes the steps of if the signaling message to be transmitted is generated in the user equipment, generating a preamble sequence according to a user equipment identifier to identify the user equipment, transmitting a preamble signal including the preamble sequence and the signaling message to a base station, and receiving an acknowledgement signal for the preamble signal generated according to the user equipment identifier.

Method of allocating radio resources in multi-carrier system

An antenna apparatus includes a circuit board disposed on a base, a first antenna part disposed on the circuit board, an inner cover configured to cover the first antenna part, and a second antenna part disposed on a surface of the inner cover. A vehicle can utilize the antenna for communication.

Antenna apparatus and vehicle including the same

Disclosed are a two-dimensional semiconductor in which an energy band gap changes with thickness, a manufacturing method therefor, and a semiconductor device comprising the same. A two-dimensional semiconductor according to an embodiment comprises: a first layer having a first thickness; and a second layer having a second thickness, wherein the first thickness and the second thickness are different from each other, the first layer forms a first junction with a first electrode, and the second layer forms a second junction with a second electrode.

Two-dimensional semiconductor, manufacturing method therefor, and semiconductor device comprising same

According to one embodiment, a method for transmitting an uplink signal includes transmitting the uplink signal including a block of data symbols. The block of data symbols are mapped to at least two sets of subcarrier blocks. Each data symbol of the block of data symbols is mapped to one of subcarriers of the at least two sets of subcarrier blocks. The at least two sets of subcarrier blocks are not contiguous in frequency. The block of data symbols are mapped in sequence starting with a first data symbol to the at least two sets of subcarrier blocks and in increasing order of subcarrier index.

Method and apparatus for allocating a plurality of data symbols in a wireless communication system

A method performed by a user equipment (UE) in a wireless communication system, includes receiving a sounding reference signal (SRS) configuration via a radio resource control (RRC) signaling, the SRS configuration indicating a subframe configured for SRS transmission; and transmitting an SRS based on the SRS configuration, wherein the SRS configuration includes an indicator indicating whether an aperiodic SRS transmission or a periodic SRS transmission is performed in the subframe configured for SRS transmission, wherein, if the indicator indicates that the aperiodic SRS transmission is performed, the SRS is aperiodically transmitted in the configured subframe in response to reception of request information for requesting a transmission of the SRS, and wherein, if the indicator indicates that the periodic SRS transmission is performed, the SRS is periodically transmitted in the configured subframe.

A method for adaptively allocating resources of an uplink control channel according to a system situation is disclosed. If a base station (BS) recognizes the system situation, establishes control information for resource allocation, and transmits the control information to a mobile station (MS), the mobile station (MS) allocates resources for transmitting uplink control information using a specific block or a specific resource distribution method according to the corresponding control information. The system situation may be changed according to the number of users contained in the BS's coverage or the usage of a multi-antenna. The variation of the system situation is actively reflected so that the uplink channel resources can be effectively used.

Method for allocating resources to uplink control channel

A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals in a mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.

Method for receiving ACK/NACK signal in mobile communication system

A method is provided for monitoring a control channel in a wireless communication system. A wireless device receives information from a base station for a search space in which a downlink control channel is monitored. The received information further includes first information indicating either a localized transmission or distributed transmission. The wireless device monitors the downlink control channel in the search space of a subframe, in at least one enhanced control channel element (ECCE) including a plurality of enhanced resource element groups (EREGs). If the first information indicates the localized transmission, the plurality of EREGs in each of the at least one ECCE are mapped to one of a plurality of physical resource block (PRB) pairs. If the localized transmission is used, the plurality of EREGs are associated with a single antenna port selected based on an index of the at least one ECCE and the wireless device's specific information.

Growing community of inventors

Anyang-si, South Korea

Hak Seong Kim