发明名称 |
OPTIMUM DISTANCE SPECTRUM FEEDFORWARD LOW RATE TAIL-BITING CONVOLUTIONAL CODES |
摘要 |
Method and apparatus for generating a set of generator polynomials for use as a tail biting convolutional code to operate on data transmitted over a channel comprises: (0) specifying a constraint and a low code rate for a tail biting convolutional code, where the low rate code is lower than 1/n (n being an integer greater than 4); (1) selecting valid combinations of generator polynomials to include in a pool of potential codes, each valid combination being a potential code of the low rate code; (2) determining first lines of a weight spectrum for each potential code in the pool and including potential codes of the pool having best first lines in a candidate set; (3) determining best codes of the candidate set based on the first L number of lines in the weight spectrum; (4) selecting an optimum code(s) from the best codes; and (5) configuring a circuit(s) of a data transceiver (60/90) to implement the optimum code(s). |
申请公布号 |
WO2010062248(A3) |
申请公布日期 |
2011.02.24 |
申请号 |
WO2009SE51326 |
申请日期 |
2009.11.24 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
CHEN, TSAO-TSEN;SJOEBERG, STEN INGEMAR;ERNSTROEM, PER;YU, KAI |
分类号 |
H03M13/03 |
主分类号 |
H03M13/03 |
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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