Lg Electronics Inc.

Optis Cellular Technology, LLC

Microsoft Technology Licensing, LLC

Lg Information & Communications, Ltd.

Wild Guard Ltd.

Other

Thomson Licensing

Young Woo Yun

Ki Jun Kim

Joon Kui Ahn

Suk Hyon Yoon

Dae Won Lee

Bong Hoe Kim

Dong Youn Seo

Hak Seong Kim

Eun Sun Kim

Young Jo Lee

Dong Wook Roh

Soon Yil Kwon

Yong Kim

Jung Hoon Lee

Sung Duk Choi

Yeong Hyeon Kwon

Jong Hoe An

Seung Hee Han

Min Seok Noh

Sung Lark Kwon

Sung Kwon Hong

Jae Hoon Chung

Cheol Woo You

Seong Hoon Jeong

Seung Hyun Kang

Chan Ho Kyung

Nam Yul Yu

Moon Il Lee

Hyun Soo Ko

So Yeon Kim

Hyun Wook Park

Ji Ae Seok

Bin Chul Ihm

Dongyoun Seo

Dong Cheol Kim

Young Jun Kim

Hyun Hwa Park

Dongwook Roh

Young Cho Kim

Hyun Woo Lee

Jee Woong Seol

Ki-Jun Kim

In Jae Jung

Cheolwoo You

Yu Jin Noh

Han Byul Seo

Byoung Hoon Kim

Hak-seong Kim

Li-Hsiang Sun

Young Cheul Yoon

Sang Gook Kim

Shu Wang

Sang Woo Lee

Kyoo Jin Han

Seok Woo Lee

Byung Hoon Kim

Bonghoe Kim

Yujin Noh

Jong Heon Kim

Young Sik Youn

Chang Woo Hong

Hyung Uk Kwon

Nam Suk Kim

Jong Hoo An

A method of a user equipment (UE) operating in a wireless communication system using orthogonal subcarriers, the method including generating, by the UE, Orthogonal Frequency Division Multiplexing (OFDM)-based symbols, wherein each OFDM-based symbol includes a cyclic prefix (CP) and a data part, transmitting, by the UE, a first subframe including N OFDM-based symbols, wherein N is an integer and transmitting, by the UE, a second subframe including N OFDM-based symbols, following the first subframe, wherein, when the first subframe and the second subframe are overlapped based on a timing adjustment command received from a base station, the first subframe is transmitted completely while the second subframe is transmitted partially without an overlapped part of the second subframe.

Method of resolving overlaps in data transmission and user equipment therefor

A method of acquiring information on a resource region for transmitting PHICH and a method of receiving PDCCH using the same are disclosed. The resource region for transmitting the PHICH can be specified by first information corresponding to the per-sub frame PHICH number and second information corresponding to a duration of the PHICH within the subframe. The first Information can be specified into a form resulting from multiplying a predetermined basic number by a specific constant. And, the specific constant can be transmitted via PBCH. Moreover, the second information can be acquired from the PBCH as well.

Method for acquiring resource region information for PHICH and method of receiving PDCCH

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

An apparatus for receiving signals includes a receiver for receiving a time domain signal from a transmitter, wherein at least one first information bit is mapped, resulting in at least one first mapped symbol; at least one second information bit is mapped, resulting in at least one second mapped symbol; the at least one second mapped symbol is multiplied by at least one third information bit; and the time domain signal is generated from the at least one first mapped symbol and the at least one second mapped symbol.

Apparatus and method for transmitting data using a plurality of carriers

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

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 for transmitting a downlink control channel in a mobile communication system and a method for mapping the control channel to physical resources using a block interleaver are provided. In order to transmit a downlink control channel in a mobile communication system, information bits are modulated to generate one or more modulation symbols according to a specific modulation scheme, the modulation symbols are interleaved using a block interleaver, and the interleaved modulated symbols are mapped to resource elements allocated for transmission of at least one control channel in a subframe, thereby transmitting the at least one control channel.

Method for transmitting downlink control channel in a mobile communication system and a method for mapping the control channel to physical resource using block interleaver in a mobile communications system

A method and wireless station for receiving signals. The wireless station receives, from a base station, a control signal on a first subframe indicated as a downlink (DL) subframe by a time division duplex (TDD) uplink-downlink (UL-DL) subframe configuration. The control signal includes first information indicating that at least one UL subframe indicated by the TDD UL-DL subframe configuration is reconfigured as a TDD DL subframe. The wireless station receives, from the base station, DL data on a second subframe which was indicated as a TDD UL subframe by the TDD UL-DL subframe configuration but is currently reconfigured as a TDD DL subframe by the control signal. The wireless station transmits, to the base station, UL data on a TDD UL subframe except for being reconfigured as the TDD DL subframe by the control signal.

Method and apparatus for relaying data in wireless communication system based on TDD

A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second pilots, which are transmitted from a specific user equipment, having different transmission powers, and transmitting data from the at least one user equipment to the base station depending on the first pilots and the second pilots. Since many UEs can transmit CQ pilots, exact channel estimation can be performed and thus communication efficiency can be improved.

Method for transmitting pilot for multiple carrier system

A method for indicating a combination between a codeword and a layer in a MIMO communication, system, a layer mapping method, and a data transmission method using the same are disclosed. A minimum number of codeword-layer mapping combinations from among all available combinations based on the' numbers of all codewords and all layers are pre-defined in consideration of a ratio of a codeword to a layer, a reception performance of a receiver, and reduction of combinations, so that a data transmission method using the predefined combinations is implemented. If a specific one codeword is mapped to at least two layers, a diversity gain can be acquired.

Layer mapping method and data transmission method for MIMO system

Growing community of inventors

Seoul, South Korea

Young Woo Yun