Operator concerns about 5G deployment costs is increasing. This is largely because of the network densification that is expected with 5G.
Massive MIMO and Multi-Site Coordination are thought of as key technologies to extend 5G cell coverage and lower deployment cost. But these technologies mainly focus on the downlink. To improve 5G uplink capacity, it may be a time for the cellular industry to consider Supplemental Uplink.
1. Executive Summary 3
2. Increasing Concerns about 5G Deployment Cost 4
3. Will Massive MIMO be the Silver Bullet to improve 5G Coverage? 6
4. Rethinking the Asymmetry of Uplink and Downlink 8
5. Conclusion 10
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