MIMO is an essential feature to improve spectral efficiency. Recentfield test results in live commercial networks have proven that 4x4 MIMO can effectively improve network performance and user experience. With 4Rx becoming a mainstream configuration of flagship smartphones in 2H 2017, 4x4 MIMO will gain momentum in global market to help operators meet growing data demands and prepare for 5G.
1. Executive Summary 4
2. Growing Market Demand Requires 4G Network Evolution 5
2.1 Data Use Continues to Grow Rapidly 5
2.2 Enhanced 4G as a Foundation for Future 5G Deployment 6
3. The Importance of MIMO for Improving Network Performance 8
3.1 Ways of Improving Mobile Network Performance 8
3.1.1 Bandwidth 8
3.1.2 Densification 9
3.1.3 Spectral Efficiency 9
3.2 MIMO Evolution in the LTE Standards 10
4. Live Deployments: Examples of Advanced MIMO 13
4.1 Four Antenna Transceiver (4T4R) in Base Stations Boosts Network Performance Significantly 13
4.2 Four Antenna Transceiver (4T4R) Also Extends Cell Coverage 16
4.3 Massive MIMO will Further Improve Network Performance 17
5. The Ecosystem Is Ready for Advanced MIMO Deployment 19
5.1 Infrastructure Development 19
5.2 Chipset and User Equipment Development 20
6. Conclusion and Recommendations 24
7. Acronyms 25
8. How Can We Help You? 26
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