发明公开
EP2181518A1 METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK INFORMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM BASED ON TIME DIVISION DUPLEXING
有权
用于在基于时分双工的正交频分多址系统中发送ACK / NACK信息的方法和设备
- 专利标题： METHOD AND APPARATUS FOR TRANSMITTING ACK/NACK INFORMATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS SYSTEM BASED ON TIME DIVISION DUPLEXING
- 专利标题（中）： 用于在基于时分双工的正交频分多址系统中发送ACK / NACK信息的方法和设备
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申请号： EP08793350.3申请日： 2008-08-20
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公开(公告)号： EP2181518A1公开(公告)日： 2010-05-05
- 发明人: LIM, Yeon-Ju , YU, Jae-Chon , JUNG, Jung-Soo , KIM, Dae-Gyun , KWON, Hwan-Joon , KIM, Dong-Hee
- 申请人： Samsung Electronics Co., Ltd.
- 申请人地址： 416 Maetan-dong Yeongtong-gu Suwon-si, Gyeonggi-do 442-742 KR
- 专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人： Samsung Electronics Co., Ltd.
- 当前专利权人地址： 416 Maetan-dong Yeongtong-gu Suwon-si, Gyeonggi-do 442-742 KR
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权： KR20070084656 20070822
- 国际公布： WO2009025492 20090226
- 主分类号： H04L1/12
- IPC分类号： H04L1/12
摘要：
A method is provided for transmitting control information by a Base Station (BS) in a Time Division Duplexing (TDD)-based Orthogonal Frequency Division Multiple Access (OFDMA) system. The method includes determining a TDD ratio value of a number of time slots allocated for Forward-Link (FL) and a number of time slots allocated for Reverse-Link (RL); if the TDD ratio value is not an integer, grouping Mobile Stations (MSs) into multiple groups and generating group index information; and transmitting, to the MSs, control information including the TDD ratio value and the group index information.
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