| 发明名称 |
MOBILE COMMUNICATION TERMINAL AND SIGNAL TRANSMISSION METHOD |
| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To converge a start procedure of an access of a random access channel (RACH) in a short time. <P>SOLUTION: A transmission power initial value of a preamble signal is updated to an aptitude value to which a latest electric wave environment is reflected, when the electric wave environment in a mobile communication terminal has changed. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
| 申请公布号 |
JP2008048233(A) |
申请公布日期 |
2008.02.28 |
| 申请号 |
JP20060222918 |
申请日期 |
2006.08.18 |
| 申请人 |
NEC CORP |
发明人 |
MASUDA SHUJI;NAKAYAMA MASAHIKO |
| 分类号 |
H04B7/26;H04J13/00;H04W28/18;H04W52/04;H04W52/50;H04W74/08;H04W92/10 |
主分类号 |
H04B7/26 |
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