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"Suatu polinomial atas lapangan hingga dikatakan sebagai polinomial permutasi apabila polinomial tersebut merupakan pemetaan yang satu-satu dan pada dari lapangan hingga ke lapangan hingga itu sendiri. Penentuan suatu polinomial atas lapangan hingga merupakan polinomial permutasi tidaklah mudah. Oleh sebab itu, dilakukan konstruksi polinomial permutasi dengan bentuk tertentu sehingga diperoleh kriteria agar bentuk polinomial tersebut merupakan polinomial permutasi. Pada skripsi ini, dibahas mengenai kriteria polinomial bentuk khusus atas lapangan hingga agar dapat dikatakan sebagai polinomial permutasi. Kriteria tersebut diperoleh melalui kriteria permutasi pada himpunan hingga dan grup hingga. ......A polynomial over a finite field is called a permutation polynomial if the polynomial induces a bijection from the finite field to itself. It is not easy to determine whether an arbitrary polynomial is a permutation polynomial. Hence, constructions of permutation polynomials in several forms have been done to yield the criteria of polynomials to be permutation polynomials. This skripsi discusses about some criteria for a polynomial of special form over finite field to be called a permutation polynomial. These criteria are found by using the criteria for permutation of a finite set and permutation of a finite group."

"This book investigates the permutation polynomial (PP) based interleavers for turbo codes, including all the main theoretical and practical findings related to topics such as full coefficient conditions for PPs up to fifth; the number of all true different PPs up to fifth degree; the number of true different PPs under Zhao and Fan sufficient conditions, for any degree (with direct formulas or with a simple algorithm); parallel decoding of turbo codes using PP interleavers by butterfly networks; upper bounds of the minimum distance for turbo codes with PP interleavers; specific methods to design and find PP interleavers with good bit/frame error rate (BER/FER) performance. The theoretical results are explained in great detail to enhance readers’ understanding. The book is intended for engineers in the telecommunications field, but the chapters dealing with the PP coefficient conditions and with the number of PP are of interest to mathematicians working in the field."