1. ETSI. Radio broadcasting systems; digital audio broadcasting (DAB) to mobile, portable and fixed receivers. ETS 300 401 edition 2, May 1997.
2. ETSI. Wireless LAN medium access control (MAC) and physical layer (PHY) specifications. IEEE802.11a, 1999.
3. ETSI. Broadband radio access networks (BRAN); HIPERLAN Type 2; data link control (DLC) layer; Part 1: basic data transport functions. ETSI TS 101 761-1, 1999.
4. Recent developments in blind channel equalization: From cyclostationarity to subspaces
5. Subspace-based blind and semi-blind channel estimation for OFDM systems