1. INTRODUCTION  
1.1. Quality of Service (QoS) in LTE  
1.2. Heterogeneous LTE-A Networks (LTE-A Hetnets)  

2. TRAFFIC CLASSIFICATION FOR QOS LTE-A PACKET SCHEDULING ALGORITHM

3. QOS-BASED PACKET SCHEDULING FOR LTE-A HETNETS

4. QOS-BASED PACKET SCHEDULING FOR LTE-A FEMTOCELLS

5. CONCLUSION