| 发明名称 |
Multiplexed coded modulation with unequal error protection. |
| 摘要 |
<p>Unequal error protection is provided for an HDTV signal (101) by separately coding (in 120,130) each one of the classes of information (on 20,30) in the HDTV signal by using a conventional coded modulation scheme and then time-division-multiplexing (in 140) the various coded outputs for transmission. <IMAGE></p> |
| 申请公布号 |
EP0490552(A2) |
申请公布日期 |
1992.06.17 |
| 申请号 |
EP19910311196 |
申请日期 |
1991.12.02 |
| 申请人 |
AMERICAN TELEPHONE AND TELEGRAPH COMPANY |
发明人 |
CHUNG, HONG YANG;WANG, JUN-DER;WEI, LEE-FANG |
| 分类号 |
H04B14/04;H03M13/35;H04L1/00;H04L27/34;H04N5/44;H04N7/015;H04N7/24;H04N19/89 |
主分类号 |
H04B14/04 |
| 代理机构 |
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代理人 |
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