Seung-Yeon Kim Se-Jin Kim Seungwan Ryu Hyong-Woo Lee Choong-Ho Cho Performance analysis of single-frame mode and multi-frame mode in IEEE 802.16j MMR system. 1-5 2008 PIMRC http://dx.doi.org/10.1109/PIMRC.2008.4699702 conf/pimrc/2008 db/conf/pimrc/pimrc2008.html#KimKRLC08