LTE Advanced Vs LTE

Question

A lot of talk now a days about LTE Advanced few questions to discuss -
1. What is this Animal and why it is required?
2. What is the value addition it offers over and above LTE?
3. What are the technological complexities/introduction in LTE-Advanced?
4. Any trial going for it?

Answer 1

1. What is this Animal and why it is required?
   LTE promise the max limit about 300 mbps which is lower then what is required for the technology to be IMT-A complaint. LTE-A offers 3GBPS.
2. What is the value addition it offers over and above LTE?
   Carrier Aggregation (combining 5 carriers into 1 i.e. 100 MHz), enhanced MIMO support , use of repeater (to improve the signal)
3. What are the technological complexities/introduction in LTE-Advanced?
   No Idea
4. Any trial going for it?
   Yes many i.e. Sprint, SKTeleco, At&T, TMobile

Answer 2

Check the following article, should be useful.
http://blog.3g4g.co.uk/2012/11/quick-introduction-to-lte-advanced.html

Answer 3

See this

Source http://www.androidauthority.com/lte-advanced-176714/