The present document is the technical report on the "Relays for LTE" work item [2]. The overall objective of the WI is to specify Relays for LTE in Rel-10 timeframe. This document is intended to gather the relevant background information in order to address Relay Node (RN) requirements as well as propose suitable updates to the specifications under the responsibility of RAN4. RAN4 have agreed to focus on fixed RN.