Contents

1 Introduction

1.1 Background

1.2 Benefits of TDD Technology

1.3 Objectives of this white paper

1.4 Terminology

2 Commercial deployment status of TD-LTE

2.1 Demands from the explosive traffic increase

2.2 Latest deployment status of TD-LTE network

2.2.1 Global deployment of TD-LTE

2.2.2 TD-LTE network status

3 Overview of Radio network products

3.1 Roadmap of product features

3.2 Flexible eNB products

3.3 Convergence of TDD/FDD products

4 Issues from operator’s perspective

4.1 Synchronization of TDD networks

4.2 Coexistence of multiple TDD operators

4.2.1 Synchronization negotiation

4.2.2 Interference avoidance

4.3 Coverage enhancement

4.3.1 Multiple antennas for uplink coverage enhancement

4.3.2 CRS power boosting

4.3.3 PDCCH adaptation

4.4 Interference mitigation for cell edge performance improvement

4.4.1 ICIC

4.4.2 Single Frequency Network

4.5 Spectrum efficiency enhancement by multi-antennas

4.5.1 TM3/8 adaptation

4.5.2 Uplink IRC

4.5.3 Uplink MU-MIMO

4.6 Performance enhancement by Carrier Aggregation

4.7 Self-Organizing Network

4.7.1 Self- configuration

4.7.2 Self-optimization

4.8 Multi-vendor Interoperability

4.8.1 Open Interface in TD-LTE

4.8.2 Interoperability test

4.8.3 Load balance between different vendors

4.8 TDD/FDD convergence networking

4.9 Voice Solutions

4.10.1 VoLTE + SRVCC

4.10.2 CS fall back (CSFB)

4.10.3 Multi-mode dual-standby terminals

5 Further Enhancement for TD-LTE RAN

5.1 CoMP

5.2 (F)eICIC / HetNet

5.3 Enhanced MIMO

5.4 Relay

5.5 eDDA

5.6 IDC

5.7 Minimization of drive tests (MDT)

6 Summary

7 Reference

8 Appendix：key features supported by radio network products and terminals

GTI TD-LTE Radio Network White Paper