Lg Electronics Inc.

Seung Woo Nam

Jin Sam Kwak

Jin Soo Choi

Han Gyu Cho

Jong Young Han

Jae Hoon Chung

Jinsoo Choi

Hyung Ho Park

Seung Jin Ahn

Mu Ryong Kim

Kiho Nam

Dae Won Lee

Jong Min Kim

Su Hwan Lim

Woo Seong Kim

Kwang Il Kim

Moon Il Lee

Sung Ho Moon

Jong Hwan Kim

Suk Woo Lee

Hyun Wook Park

Ki Ho Nam

Muryong Kim

Kwang Ii Kim

Yeon Joo Kang

A method includes transmitting a random access preamble, receiving a random access response as a response of the random access preamble, wherein the random access response comprises an uplink resource assignment and a request for transmission of a Channel Quality Indicator (CQI), and transmitting the CQI in the uplink resource assignment.

Method of performing random access procedure in wireless communication system

A wireless communication system using pilot subcarrier allocation and a method of allocating the pilot subcarriers for use in downlink and uplink communication in a multiple-input multiple-output (MIMO) antenna system using orthogonal frequency division multiplexing (OFDM) modulation are disclosed. The method includes providing a frame structure comprising OFDM symbols in time domain and subcarriers in frequency domain and alternately allocating first pilot subcarriers for a first antenna and second pilot subcarriers for a second antenna in the time and frequency domains, wherein each of the alternating first pilot subcarriers and the second pilot subcarriers is separated by a multiple of 9 subcarriers in the frequency domain and further allocated in two contiguous OFDM symbols.

Wireless communication system using pilot subcarrier allocation

A data retransmission method using hybrid automatic repeat request (harq) includes transmitting a data block, receiving a retransmission request signal for the data block, generating a retransmission block by performing swapping or inversion between bits constituting the data block according to the retransmission request signal, and transmitting the retransmission block.

Method of transmitting data using constellation rearrangement

A method may include displaying at least one first object on a perceived 3D space having at least a first layer and a second layer, wherein the first layer has a 3D level of a first depth and the second layer has a 3D level of a second depth, and wherein the at least one first object is arranged on the first layer. The method may also include receiving a user input for selecting one of the at least one first object while displaying the at least one first object, arranging at least one second object on the second layer when the 3D level of the second layer changes to the first depth, and displaying the at least one second object, wherein each of the at least one second object corresponds to a sub-menu of a menu corresponding to the selected first object.

Mobile terminal to display an object on a perceived 3D space

A method of allocating resources in a wireless communication system includes dividing an available frequency band on a logical plane into a distributed zone and a localized zone, dividing the distributed zone into a plurality of subparts in time domain, and dividing the distributed zone and the localized zone into a distributed zone and a localized zone on a physical plane. The plurality of subparts included in one distributed zone on the logical plane is mapped to a different distributed zone on the physical plane.

Method of allocating resources in wireless communication systems

A method of transmitting pilot signals by a transmitter in a multiple-input multiple-output (MIMO) antenna system using an orthogonal frequency division multiplexing (OFDM) scheme includes allocating pilot subcarrier locations within a resource block including OFDM symbols in a time domain and subcarriers in a frequency domain based on variables of '18k', '9mi' and &#x2018;floor (ns/2)&#x2019;, wherein &#x2018;k&#x2019; indicates a subchannel index, &#x2018;ns&#x2019; indicates a symbol index, &#x2018;mi&#x2019; corresponds to &#x2018;(ns+i)mod 2&#x2019;, &#x2018;i&#x2019; indicates an antenna index, wherein &#x2018;floor (n)&#x2019; denotes a greatest integer that is not greater than &#x2018;n&#x2019;; and transmitting the pilot signals to a receiver based on the allocated pilot subcarrier locations.

A method of transmitting data is provided. The method includes generating a frame, the frame comprising a data burst, a submap and a map wherein the submap indicates a resource allocation state of the data burst, and the map indicates a differential adaptive modulation and coding (AMC) level for the submap, and transmitting data using the frame, wherein the differential AMC level is information on change in an AMC level applied to the submap comparing with other submap in a different frame. High-speed data transmission is realized and limited radio resources can be more efficiently used.

Method of transmitting data based on adaptive modulation and coding

A method for transmitting an uplink control signal includes receiving scheduling information for transmission of the uplink control signal, and transmitting the uplink control signal according to the scheduling information. Various control signals can be transmitted without interference with other control signals while maintaining a single carrier property.

Method for transmitting uplink control signal

A method of allocating resources in a wireless communication system includes allocating a plurality of physical resource blocks, each of which includes a plurality of sub-parts, to a virtual resource block, and mapping the virtual resource block to the plurality of physical resource blocks, wherein the virtual resource block is mapped to the sub-parts located in different positions in the range of each physical resource block. The number of resource elements allocated for the virtual resource block is constantly maintained.

Method of allocating resource in wireless communication system

A method for configurating a basic signal allocation unit and a method of transmitting signals using the configurated basic signal allocation unit are disclosed. In particular, a basic frequency domain signal allocation unit is configurated by considering at least one selected from the group consisting of a signaling overhead, a size of a coherent bandwidth and a number of divisors among specific numbers and an OFDM symbol number corresponding to a multiple of a subframe unit, each of the specific numbers multiplied to a predetermined subcarrier spacing to enable a result value of the multiplication to have a difference smaller than a prescribed threshold from a divisor of a system bandwidth. And, a time domain unit is configurated by 1-subframe unit. Accordingly, signaling overhead can be efficiently reduced.

Method for configuring basic signal allocation unit and method for transmitting signals using the same

A mobile terminal and method for displaying on a touch screen information associated with an item displayed on the touch screen when an object is in near-proximity to the displayed item. A sensing unit senses a real-touch and a proximity-touch of the touch screen and a controller displays the information associated with the specific item on the touch screen.

Mobile terminal and screen displaying method thereof

A wireless communication system using pilot subcarrier allocation and a method of allocating the pilot subcarriers for use in downlink and uplink communication in a multiple-input multiple-output (MIMO) antenna system using orthogonal frequency division multiplexing (OFDM) modulation are disclosed. The method includes providing a frame structure comprising OFDM symbols in time domain and subcarriers in frequency domain and alternately allocating first pilot subcarriers for a first antenna and second pilot subcarriers for a second antenna in the time and frequency domains, wherein each of the alternating first pilot subcarriers and the second pilot subcarriers is separated by multiple of 9 subcarriers in the frequency domain and further allocated in two contiguous OFDM symbols.

Growing community of inventors

Anyang-si, South Korea

Seung Woo Nam