Publications/Patents Patents  | |
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- Amir K. Khandani, Peiying Zhu and Wen Tong, "Scrambling Based Peak-to-Average-Power-Ratio Reduction without Side Information", (patent filed by Nortel Networks)
- M. Bingeman, A. K. Khandani and F. Khaleghi, "Symbol-based Turbo-codes", United States Patent #6,298,463
for more information please refer to the patent page on the US Patent & Trademark Office Database | Abstract: In a parallel concatenated convolutional code (PCCC) or turbo code encoder, information bits are supplied to a first convolutional code encoder for producing first parity bits and via an interleaver to a second convolutional code encoder for producing second parity bits, the output of the encoder comprising the information bits and at least some of the first and second parity bits. The interleaver interleaves the information bits in groups each of N bits, where N is an integer greater than one. A parity bit generator can generate additional parity bits which are operated on by the convolutional code encoders and interleaver. A complementary decoder is described. The grouped interleaving can provide reduced memory requirements and faster convergence of the iterative decoding process. | - A. K. Khandani and W. Tong, "System and Method for Reducing the Peak Power in Multi-carrier Modulation,'' (patent filed by Nortel Networks)
- A. K. Khandani and W. Tong, "System and Method Performing Quadrature Amplitude Modulation by Combining Cosets and Strongly Coded Coset Identifiers,'' (patent filed by Nortel Networks)
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