Table of Contents

1. Requirements and Objectives 1

1.1 Current Status of Network Services 1

1.2 Service Development Trends 1

1.3 Action Plan Objectives 3

2. Technology and Practice 4

2.1  Differentiated TDD Frame Structure 4

2.1.1 Technical Principles 4

2.1.2 Application and Practice 5

2.2 Supplementary Uplink(SUL) 6

2.2.1 Technical Principles 6

2.2.2 Application and Practice 7

2.3 Uplink 3-Component Carrier Aggregation 8

2.3.1 Technical Principles 8

2.3.2 Application and Practice 9

2.4 700MHz High Power 10

2.4.1 Technical Principles 10

2.4.2 Application and Practice 11

2.5 Uplink Data Compression（UDC） 12

2.5.1 Technical Principles 12

2.5.2 Application and Practice 13

2.6 UE Aggregation 14

2.6.1 Technical Principles 14

2.6.2 Application and Practice 15

2.7 Millimeter Wave (mmWave) 17

2.7.1 Technical Principles 17

2.7.2 Application and Practice 17

2.8 Unified Time & Frequency Division Duplex（UDD） 18

2.8.1 Technical Principles 18

2.8.2 Application and Practice 19

3. Initiatives 20