Lg Electronics Inc.

Hyunjin Shim

Jiwon Kang

Heejeong Cho

Genebeck Hahn

Ilmu Byun

Heejin Kim

Seungjune Yi

Sunyoung Lee

Jaehoon Chung

Eunjong Lee

Kilbom Lee

The present invention relates to a method and a device for a base station transmitting/receiving data in a wireless communication system. According to the present invention, a method and a device may be provided by which a first message comprising first control information is received from a base station, wherein the first control information comprises a logical path identifier (ID) indicating a logical path for transmitting/receiving first data and second data, which is the same as the first data; as a response to the first message, a reply message is transmitted to the base station; and the first data and the second data are received on multiple component carriers (CC) associated with the logical path corresponding to the logical path ID.

Method for transmitting/receiving data in wireless communication system and device supporting same

The present application provides a method for receiving a downlink signal by a terminal in a wireless communication system. Specifically, the method comprises the steps of: receiving a downlink control signal, a first downlink data signal, a first downlink demodulation reference signal for the first downlink data signal in a first time unit; and receiving a second downlink data signal and a second downlink demodulation reference signal for the second downlink data signal in a second time unit, wherein the downlink control signal includes information on a first antenna port for a reference signal, the first antenna port being quasi-co-located (QCL) with an antenna port for the first downlink demodulation reference signal, and information on a second antenna port for a reference signal, the second antenna port being quasi-co-located (QCL) with an antenna port for the second downlink demodulation reference signal.

Method for cell cyclic downlink transmission in wireless communication system and apparatus therefor

Provided are a method and a device for transmitting a scheduling request in a wireless communication system. Particularly, user equipment receives information on first and second scheduling request resources which is broadcasted from a base station. The user equipment receives information on the first and second scheduling request resources which is transferred specifically to the user equipment from the base station. On the basis of the information, the user equipment selects the first scheduling request resource or the second scheduling request resource. The user equipment transmits a scheduling request via the selected resource.

Method and device for transmitting scheduling request in wireless communication system

Disclosed is a method for a terminal for transmitting an uplink signal in a wireless communication system. Specifically, the method for transmitting an uplink signal comprises the steps of: transmitting a first uplink data signal in a first continuous time unit within a single subframe; and transmitting a second uplink data signal in a second continuous time unit in said single subframe, wherein a first timing advance (TA) value applied in the first continuous time unit and a second TA value applied in the second continuous time unit are different each other.

Cell cycling uplink transmission method and apparatus therefor in wireless communication system

Provided are a method and an apparatus for transmitting uplink data in a wireless communication system. Specifically, a first terminal transmits a random access preamble for requesting a connectionless transmission. The first terminal receives a random access response comprising scheduling information of the uplink data. The first terminal transmits the uplink data, a reference signal selected by the terminal and terminal identification information of the terminal from a first overlapping resource utilized by a second terminal. The first terminal receives, as a response for the uplink data, a response signal comprising a terminal identification information field containing terminal identification information corresponding to each reference signal.

Method and apparatus for transmitting uplink data in wireless communication system

The present invention relates to a method and a device for a terminal transmitting/receiving data in a wireless communication system. According to the present invention, a method and a device may be provided by which a first message comprising first control information is received from a base station, wherein the first control information comprises a logical path identifier (ID) indicating a logical path for transmitting/receiving first data and second data, which is the same as the first data; as a response to the first message, a reply message is transmitted to the base station; and the first data and the second data are transmitted, to the base station, on multiple component carriers (CC) associated with the logical path corresponding to the logical path ID.

The present invention relates to a method and a device for transmitting and receiving data by a terminal in a wireless communication system. The present invention provides a method and a device for: selecting a particular preamble from a preamble set; transmitting the selected particular preamble to a base station by means of resources on the frequency axis and resources on the time axis; receiving from the base station a response message comprising resource information that indicates resources allocated on the basis of a first random connection target of a first terminal; and transmitting, to the base station by means of the allocated resources, verification information of the first terminal for uplink data reception or downlink data reception.

Method for transmitting and receiving data in wireless communication system and device for supporting same

Provided are a method and an apparatus for obtaining a downlink synchronization in a wireless communication system. A proposed wireless communication system has an environment in which a resource position of a downlink synchronization signal is changed as multi-numerology is applied thereto. Specifically, a terminal transmits a preamble for requesting a synchronization signal transmission resource to a base station. The terminal receives a response signal to the preamble from the base station. Here, the terminal does not have linkage to the base station, and is downlink synchronized with the base station. The response signal includes position information of a synchronization signal transmission resource of a neighboring base station.

Method and apparatus for measuring downlink synchronization in wireless communication system

The present invention relates to a method and a device for transmitting and receiving data in a wireless communication system. The present invention can provide a method and a device for transmitting to a network node a first preamble and a first request message for requesting random connection; as a response to the first request message, receiving a first response message comprising the index of a second preamble successfully received by the network node and a second identifier for indicating whether or not the first request message is decoded and contention resolution; and, while the connection with the network node has not been formed, transmitting first data to the network node in accordance with the index of the second preamble and the second identifier.

Disclosed is a method for a terminal, which comprises a plurality of distributed antenna units, transmitting and receiving a signal in a wireless communication system. More particularly, the method comprises the steps of 1) performing a first random access procedure with a first cell by means of a first distributed antenna unit group and performing a second random access procedure with a second cell by means of a second distributed antenna unit group; 2) transmitting, to the first cell and the second cell, information about the distributed antenna units comprised in the corresponding antenna unit groups; and 3) performing an authorization procedure with the first cell by means of the first distributed antenna unit group and transmitting an authorization procedure skip request signal to the second cell by means of the second distributed antenna unit group.

Method for allocating terminal identifier in distributed antenna communication system and device for same

Provided are a method and an apparatus for transmitting uplink data in a wireless communication system. Specifically, a first terminal transmits a random access preamble for requesting a connectionless transmission. The first terminal receives a random access response comprising scheduling information of the uplink data. The first terminal transmits uplink data and a reference signal from a first resource configured on the basis of scheduling information of the uplink data and information indicating the CP length of the reference signal. The CP length of the reference signal can be configured to be identical to the CP length of the random access preamble. The first resource can correspond to a resource utilized by both the first terminal and second terminal.

A method for performing a security procedure by a terminal in a wireless communication system, and an apparatus thereof. The method includes transmitting a first access request message for accessing a first network of a core network to a first radio access network (RAN) node, performing an authentication procedure for mutual authentication with a node performing an authentication server function (AUSF) of the core network, generating a common key commonly used in one or more networks included in the core network based on an authentication vector obtained through the mutual authentication procedure, generating a first base key of the first network based on the common key and a network code corresponding to a type of the first network, and receiving an access accept message indicating an access accept of the first network from the first RAN node.

Method and apparatus for authenticating UE between heterogeneous networks in wireless communication system

A method and device for receiving a signal in a wireless communication system to which a multiplex transmission technique is applied are provided. The wireless communication system proposed herein suggests a method for increasing the receipt reliability of a terminal with respect to a multiplex transmission activation indicator indicating the start of multiplex transmission. Particularly, a terminal checks the receipt of a multiplex transmission activation indicator transmitted, from a first base station, for every predetermined subframe. If the terminal succeeds in receiving the multiplex transmission activation indicator, an ACK signal associated with the multiplex transmission activation indicator is transmitted to the first base station. Here, the multiplex transmission activation indicator indicates that the first base station and a second base station are capable of transmitting the same data for a predetermined time together.

Method and device for receiving signal in wireless communication system to which multiplex transmission technique is applied

The present invention relates to a method and a device for allowing a transmitting device to transmit/receive data to/from a receiving device in a wireless communication system. According to the present invention, provided are a method and a device, the method: re-configuring specific data in a second layer of the first transmitting device on the basis of a resource allocation amount delivered from a first layer of the first transmitting device; generating at least one replicate data according to the number of a plurality of wireless bearers by using the re-configured specific data in the second layer; and transmitting, to the receiving device, the re-constructed specific data and the at least one replicate data from a plurality of cells related to the plurality of wireless bearers, wherein the plurality of wireless bearers are instructed by bearer identifiers to transmit the replicate data.

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Seoul, South Korea

Hyunjin Shim