Irregular turbo codes and unequal error protection

A. Huehner, J. Freudenberger, R. Jordan, M. Bossert
Proceedings. 2001 IEEE International Symposium on Information Theory (IEEE Cat. No.01CH37252)  
j u e r g e n . f r e u d e n b e r g e r , r a l p h . j o r d a n , m a r t i n . b o s s e r t } Abstract -Turbo codes (TC) with unequal error protection (UEP) are introduced. We consider a serial cascade of an array of repetition codes, an interleaver, and a TC. Such a coding scheme was introduced in [l] as irregular turbo code (ITC). A lower bound on the protection level [2, 31 of the ITC is pre-Theorem 1 Given a rate R = Rob/ ( c + 1) ITC with L rate Ro31 outer repetition codes and a rate
more » ... RI = b / c inner convolutional (:ode C1 with the free distance dfree. If the precipice (~, t )~ of the outer interleaver satisfy s 2 m a { L} sented. Additionally, simulation results are shown.
doi:10.1109/isit.2001.936005 fatcat:7gtya3ie4vahhd2acsrrwifx44