Author Biographies Per Beming joined Ericsson in 1994 and he has worked with radio access concept development and standardi- zation, primarily with architecture questions. The most prevalent examples are GPRS, WCDMA, HSPA, and LTE-SAE. He has been a key member of 3GPP TSG RAN since 1999. Currently Per is responsible for stan- dardization at Developing Unit Radio within the Business Unit Networks, and is also manages a group of systems managers working with concept development and standardization. Alan Bensky is an electronics engineering consultant with over 30 years of experience in analog and digital design, management, and marketing. Specializing in wireless circuits and systems, he has carried out projects for a variety of military and consumer applications and led the development of three patents on wireless distance measurement. He has authored two books on wireless communication and has written several articles in international and local publications. Bensky has taught electrical engineering courses, gives lectures on radio Symposium on Communications and Vehicular Tech- nology Best Student Paper Award in 2002. Dr. Philip A. Chou is a Principal Researcher with Microsoft Research in Redmond, Washington, and man- ages the Communication and Collaboration Systems research group. He has lectured at the Universities of Stanford, Washington, and the Chinese University of Hong Kong. He currently serves as coordinator of the awards subcommittee of the IEEE SP Society Multi- media Signal Processing technical committee (MMSP TC). He also serves on the editorial board of the IEEE Signal Processing Magazine. He is a Fellow of the IEEE and is the recipient of, amongst other awards, the Signal Processing Society Paper Award and the IEEE Trans- actions on Multimedia Best Paper Award. Luis M. Correia is Professor in Telecommunications at Technical University of Lisbon. He has acted as a con- sultant for Portuguese GSM operators and the telecom- munications regulator. He has authored many papers and