发明名称 Area and power efficient architectures of time deinterleaver for ISDB-T receivers
摘要 A method and apparatus for de-interleaving interleaved data in a deinterleaver memory in an Orthogonal Frequency Division Multiplexing (OFDM) based Integrated Services Digital Broadcasting Terrestrial (ISDB-T) receiver. In different embodiments, the apparatus comprises of a OFDM symbol counter along with a divider or a buffer pointer RAM with circular pointer logic, a first lookup table to obtain delay buffer size and interleaving lengths for a given OFDM transmission layer, and a second lookup table to obtain buffer base address and interleaving lengths for a given OFDM transmission layer.
申请公布号 US7764595(B2) 申请公布日期 2010.07.27
申请号 US20080015035 申请日期 2008.01.16
申请人 NEWPORT MEDIA, INC. 发明人 TREIGHERMAN PHILIP
分类号 H04J11/00 主分类号 H04J11/00
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