(57) ABSTRACT A method and apparatus for allocating Subcarriers in a broad band
wireless communication system using multiple carriers are provided. In the wireless …

Embodiments are provided for WLAN Orthogonal Fre quency Division Multiple Access
(OFDMA) design of sub carrier groups and corresponding frame format. An embodi ment …

(54) METHOD ANDTRANSMISSION UNIT FOR 2006/0193294 A1 8/2006 JorSwieck et al.
ADAPTIVE CODING, MODULATION AND 2008/0232340 A1* 9, 2008 Wan et al …

Provided are a method and a device for transmitting a feedback frame in a wireless LAN
system. Particularly, a first wireless station receives, from a second wireless station, a …

Provided is a frame configuration usable for both SISO transmission and MISO and/or MIMO
transmission. A frame configurator of a transmission device configures a frame by gathering …

To improve the frequency diversity effect by preventing the related bits in the encoded data
from being biased to the specified carrier in the case of performing the multicarrier operation …

A method for transmitting a codeword through a subchannel consisting of a plurality of tiles
in a wireless communication system in which one tile comprises a plurality of data …

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 …

the present invention aims to provide a frame configuration that allows, when used in
transmitting signals by switching between SISO and MISO/MIMO, easy detection of the …

BACKGROUND Flawless/Reliable reception of communicated data is a desired feature in
communication systems. Typically, com munication systems transmit data in blocks of …