4 Introduction

36.4413GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Layer 1 for interfaces supporting Multimedia Broadcast Multicast Service (MBMS) within E-UTRANRelease 17TS

The main functions of layer 1 are summarized in the following:

– Interface to physical medium;

– Frame delineation;

– Layer 1 alarms extraction and generation;

– Transmission quality control.