发明名称 |
CHANNEL EQUALIZER OF SINGLE CARRIER RECEIVER AND EQUALIZING METHOD THEREOF |
摘要 |
A channel equalizer of a single carrier receiver of improved equalization efficiency includes a feed-forward filter that removes a pre-ghost from respective symbols of a broadcasting signal, a feedback filter that removes a post-ghost from the respective symbols of the broadcasting signal, an adder that adds the pre-ghost removed symbols wi th the post-ghost removed symbols, a level decision unit that determines a level of the symbol s added at the adder with reference to predetermined level data and then feeds back the determined level to the feedback filter, a trellis decoder that performs trellis decoding with respect to the symbols added at the adder and has a whole decoding depth as N (N=natural number), a nd a whole length of a trace back delay as N .times. K (K=natural number), an error calculator that calculates an error value between the symbols added at the adder and the level determined at the level decision unit, and a trellis control unit that controls the trellis decoder so that a plurality of decoded symbols output from the trellis decoder can be input to the feedback filter in correspondence to the error obtained at the error calculator.
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申请公布号 |
CA2440064(C) |
申请公布日期 |
2008.05.06 |
申请号 |
CA20032440064 |
申请日期 |
2003.09.09 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
CHANG, YONG-DEOK;KIM, JAE-HYON;JEONG, JIN-HEE |
分类号 |
H03M13/41;H04L27/01;H04B7/005;H04J11/00;H04L27/06;H04L27/22 |
主分类号 |
H03M13/41 |
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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