R Ramesh, K Balachandran, H Koorapaty - US Patent 8,098,623, 2012 - Google Patents
US Office Action mailed Aug. 2, 2010 in US Appl. No. 12/354,159. Ryu et al.,“IEEE 802.16 m
Requirements on Legacy Support', Feb. 23, 2007, retrieved from the Internet URL: wireless …