Structured low-density parity-check (LDPC) code
AssigneeResearch In Motion Limited
InventorsMichael Livshitz, Aleksandar Purkovic, Nina Burns, Sergey Sukhobok, Muhammad Chaudhry
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AssigneeResearch In Motion Limited
InventorsMichael Livshitz, Aleksandar Purkovic, Nina Burns, Sergey Sukhobok, Muhammad Chaudhry
Estimating the term…
A method for constructing a low-density parity-check (LDPC) code using a structured base parity check matrix with permutation matrix, pseudo-permutation matrix, or zero matrix as constituent sub-matrices; and expanding the structured base parity check matrix into an expanded parity check matrix. A method for constructing a LDPC code using a structured base parity check matrix H=[Hd|Hp], Hd is the data portion, and Hp is the parity portion of the parity check matrix; the parity portion of the structured base parity check matrix is such so that when expanded, an inverse of the parity portion of the expanded parity check matrix is sparse; and expanding the structured base parity check matrix into an expanded parity check matrix. A method for encoding variable sized data by using the expanded LDPC code; and applying shortening, puncturing.
A method of low-density parity-check (LDPC) encoding data, comprising:
A method of decoding low-density parity-check (LDPC) encoded data, comprising:
Apparatus for low-density parity-check (LDPC) encoding data, comprising:
Apparatus for low-density parity-check (LDPC) encoding data, comprising:
Apparatus for low-density parity-check (LDPC) encoding data, comprising:
Apparatus for decoding low-density parity-check (LDPC) encoded data, comprising:
Apparatus for decoding low-density parity-check (LDPC) encoded data, comprising:
Apparatus for decoding low-density parity-check (LDPC) encoded data, comprising:
A telecommunications network, comprising:
A method of operating a telecommunications network, comprising:
A transceiver, comprising:
A method of operating a transceiver, comprising:
Dependencies are inferred from the claim text.