



五、结论 本文基于OFDM系统提出了交织重组和星座重组相结合的Type-II型混合ARQ方案,通过仿真验证了这种符号间与符号内联合重组的方案有效地提高了系统的通过率,降低了误帧率及重传时延。该方法使得系统实现复杂性略有提高。 参考文献 [1]SLin,DJ Costello, Jr. Error Control Coding: Fundamentals and Applications[M]. NJ: Prentice Hall, 1983 [2]ChWengerter,AGolitschek Edler von Elbwart, E Seidel. Advanced Hybrid ARQ technique employing a signal constellation rearrangement[A]. IEEE VTC'02[C].2002 [3]3GPPTSGRANWG1, Enhanced HARQ method with signal constellation rearrangement[S] [4]Sai-WengLei,Vincent KN. Lau. Performance analysis of adaptive interleaving for OFDM systems[J]. IEEE Transactions on Vehicular Technology,2002,51(3) [5]TKumagai,MMizoguchi, T. Onizawa, etal. A maximal ratio combining frequency diversity ARQ scheme for OFDM signals[A]. IEEE PIMRC'98Vol.2[C]. Sep. 1998.528~532 [6]Rec.ITU-RM.1225,Guidelines for Evaluation of Radio Transmission Technologies for IMT-2000[S] 作者:程锦霞,周世东,姚彦 |