1 Introduction
1.1 Limitations of the Conventional Cellular Systems

2 Desideratum of 5G Networks

3 Challenges in the Development of 5G Networks

4 Architectures for the Future/5G Mobile Cellular Networks
4.1 Two-tier Architectures
4.2 Cognitive Radio Network based Architectures
4.3 Device-to-Device Communication Architectures
4.4 Cloud-based Architectures
4.5 Energy-Efficient Architectures for 5G Networks

5 Implementation Issues in 5G Networks
5.1 Interference Management in 5G Networks
5.2 Handoff Management in 5G Networks
5.3 QoS Management in 5G Networks
5.4 Load balancing in 5G Networks
5.5 Channel Access Control Management in 5G Network
5.6 Security and Privacy Management in 5G Networks

6 Methodologies and Technologies for 5G Networks

7 Applications of 5G Networks

8 Real Demonstrations and Testbeds for 5G Networks

9 Concluding Remarks