发明名称 |
SYSTEM AND METHOD FOR TRANSMITTING RANDOM ACCESS DATA USING ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS |
摘要 |
<p>Disclosed is a random access data transmission system and method using OFDMA. The system includes a scheduling ID into an access grant on a preamble for a random access, and transmits it together with an acknowledgment or a non-acknowledgment of the preamble, a base station uses the scheduling ID to notify the mobile station of a random access data transmittable time and a data transmission channel through a control channel, and the mobile station transmits a preamble in advance. After receiving a transmission assignment instruction corresponding to a scheduling ID through the control channel, the mobile station transmits random access data through an assigned channel.</p> |
申请公布号 |
EP1692797(B1) |
申请公布日期 |
2009.12.16 |
申请号 |
EP20040774538 |
申请日期 |
2004.09.08 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
JUNG, SOO-JUNG;KIM, KWANG-SOON;RYU, BYUNG-HAN |
分类号 |
H04J13/02;H04L12/28;H04B7/204;H04B7/26;H04L1/16;H04L5/02;H04L27/26;H04W72/14;H04W74/08 |
主分类号 |
H04J13/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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