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Code design and implementation improvements for low density parity check codes for wireless routers using 802.11n protocol
Code design and implementation improvements for low density parity check codes for wireless routers using 802.11n protocol
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机译：使用802.11n协议的无线路由器的低密度奇偶校验码的代码设计和实现改进
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摘要
Method and apparatus for implementing LDPC codes in an IEEE 802.11 standard system configured to operate in a Multiple-Input, Multiple-Output (MIMO) schema. A method in accordance with the present invention comprises defining a base LDPC code, having a length equal to an integer number of data carriers in an ODFM symbol, transmitting the base LDPC code over a plurality of sub-carriers, wherein the base code is transmitted at an expected phase on sub-carriers specified by the IEEE 802.11 standard system, and transmitting the base LDPC code on other sub-carriers than those specified by the IEEE 802.11 standard system, wherein the base LDPC code on the other sub-carriers is transmit offset in phase from the base LDPC code on the specified sub-carriers.
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