H - Electricity – 03 – M
Patent
H - Electricity
03
M
H03M 13/27 (2006.01) H04L 1/00 (2006.01) H04L 1/22 (2006.01) H04L 5/14 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2560715
A method and apparatus are disclosed for deinterleaving expanded interleaved data blocks, particularly for use in a wireless telecommunications system such as provided by the Third Generation Partnership Project (3G) standard. The data is processed on a sequential element basis where each element has a pre-determined number of bits M which bits are contained in a block of sequential data words W'. The elements are extracted from the block of words W' in sequential order, each element being extracted from either a single or two sequential interleaved words within the set of words W'. The elements are stored in selective location within a set of words W of a deinterleaver memory such that upon completion of the extraction and writing of all the elements, the words W from the deinterleaver memory can be sequentially read out to correspond to an original data block of bits from which the block of interleaved elements was created. Additional conventional processing results in the contraction of the deinterleaved expanded words to reproduce the data block of bits in a receiver as originally designated for transmission in a transmitter.
Interdigital Technology Corporation
Ridout & Maybee Llp
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