Lg Electronics Inc.

Soon-Yil Kwon

Han-Byul Seo

Ki-Jun Kim

Hak-Seong Kim

Ki-jun Kim

Jong-Hoe An

Young-Jun Kim

Chan-Ho Kyung

Young-Woo Yun

Sang-Gook Kim

Young-Jo Lee

Cheol-Woo You

Suk-Hyon Yoon

The present invention relates to a data transmission/receiving method and apparatus in a relay communication system. In particular, the data transmission/receiving method through a backhaul link between a base station and a relay node in a relay communication system comprises: composing a backhaul subframe including a control signal transmission period to which a control signal is allocated and a backhaul signal transmission period to which a backhaul signal is allocated and then allocating the backhaul signal; transmitting configuration information about the backhaul subframe, the information containing symbol position or size data of the backhaul signal transmission period, to the relay node through an upper layer signal; and transmitting the backhaul signal having been allocated through the backhaul subframe to the relay node.

Signal transmission method and apparatus in a relay communication system

In a mobile communications system, a method of transmitting data corresponding to the same logical channel through two or more base stations, comprising: transmitting a first sub-packet generated by a first base station and a second base station based upon an encoded packet; and at a time point after the lapse of a certain time period from when the first sub-packet was transmitted, transmitting a second sub-packet generated by one of the first and second base stations based upon the encoded packet. When data corresponding to the same logical channel is broadcast from each base station that has respectively different channel environments, data transmission efficiency can be improved.

Method for transmitting and receiving data

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Seoul, South Korea

Soon-Yil Kwon