Lte Air Interface Document

LTE Air Interface Training Manual

Contents

Contents

1 The Air Interface ........................................................................................................................1-1

1.1 Evolution of Cellular Networks .................................................................................................................... 1-2 1.1.1 First Generation Mobile Systems ......................................................................................................... 1-2 1.1.2 Second Generation Mobile Systems .................................................................................................... 1-2 1.1.3 Third Generation Mobile Systems ....................................................................................................... 1-4 1.1.4 Fourth Generation Mobile Systems ..................................................................................................... 1-5 1.2 3GPP Releases............................................................................................................................................... 1-6 1.2.1 Pre-Release 99 ..................................................................................................................................... 1-6 1.2.2 Release 99 ............................................................................................................................................ 1-7 1.2.3 Release 4 .............................................................................................................................................. 1-7 1.2.4 Release 5 .............................................................................................................................................. 1-7 1.2.5 Release 6 .............................................................................................................................................. 1-7 1.2.6 Release 7...