发明名称 |
Method and apparatus for symmetrical DMT X-DSL communications |
摘要 |
A method and apparatus for communicating multi-tone modulated upstream and downstream channels of communication data between a pair of communication devices utilizing a common set of tones for the upstream and downstream channels. The pair of communication devices each include a digital stage configured to assign mutually orthogonal code sequences for encoding and decoding the upstream and downstream channel respectively. The transmit path of the digital stage of each communication device is configured to generate redundancy in the associated communication data in either the time or frequency domain and to encode the redundant communication data with the mutually orthogonal code sequence prior to transmission thereby allowing the communication devices to share a common frequency spectrum of a communication medium for the upstream and downstream communication channels.
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申请公布号 |
US7075998(B1) |
申请公布日期 |
2006.07.11 |
申请号 |
US20010779788 |
申请日期 |
2001.02.07 |
申请人 |
IKANOS COMMUNICATIONS INC. |
发明人 |
REZVANI BEHROOZ;HEIDARI SAM;SMITH DALE;SEGEV REUVEN |
分类号 |
H04L27/28 |
主分类号 |
H04L27/28 |
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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