发明名称 CIRCUITS FOR SCRAMBLING AND DESCRAMBLING PACKETS AND METHODSOF DOING THE SAME
摘要 <p>A circuit for descrambling a packet transmitted frond and received in a communication device, includes (a) a plurality o~ descraniblers (1-18 to 1-2 6) each receiving words obtained by developing the packet in parallel and descrambli ng data in the words to be descrambled, each of the descraniblers being associated with a combination of addresses of the data in the words, (b) a padding numb er detector (1-7) which counts a padding number of a final words among the word s, based on data indicative of a packet length which data is included in the packet, and (c) a data selector (1-36) which selects one of outputs transmitted from the dercramblers an association with the combination to thereby receive data obtained by descrambling the words, from the thus selected descrambler.</p>
申请公布号 CA2386774(A1) 申请公布日期 2002.11.18
申请号 CA20022386774 申请日期 2002.05.17
申请人 NEC CORPORATION 发明人 NISHIZAKI, HIDEKI
分类号 H04L9/36;H04J3/00;H04L12/70;H04L25/03;(IPC1-7):H04L9/28;H04L12/56 主分类号 H04L9/36
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