Huawei Releases the Industry's First 5G Microwave White Paper
[Barcelona, Spain, March 5, 2019] At MWC 2019, Huawei released the industry's first 5G Microwave White Paper. To cope with 5G network challenges, this white paper analyzes 5G service requirements in detail and points out that 5G microwave requires ultra-large bandwidth, ultra-high spectral efficiency, and network automation. This provides a useful approach for the development of 5G backhaul networks.
Fiber layout is time-consuming and very expensive, more microwave links are in need to alleviate fiber dependency. To achieve this goal, 5G microwave needs to provide a bandwidth of 10Gbps or even higher to meet 5G backhaul capacity requirements. At the same time, the number of 5G sites will increase dramatically and network O&M will become much more complex, this calls for 5G microwave to provide automation capabilities to reduce network O&M difficulties as well.
Considering these requirements, Huawei proposes that 5G microwave design must comply with the "ultra-broadband", "high efficiency", and "automation" concepts.
- 5G microwave needs to support 112MHz channel space, two different bands can be bound into single antenna to achieve 10Gbps or even 20Gbps (when E-band applies) capacity.
- One RF unit needs to support four carrier aggregation to minimize tower space and reduce installation difficulties.
- The 8KQAM modulation scheme should be supported to improve the modulation efficiency of a single spectrum.
- The MIMO technology can quadruple spectral efficiency.
- The co-channel interference angle needs to be reduced to about 30 degrees to improve the spectral efficiency of densely populated sites.
- During service planning, automatic spectral analysis and service design are needed.
- When a service goes online, 5G microwave should support automatic topology discovery and one-click service deployment.
- Automatic trouble-shooting and service re-routing are needed when a fault occurs.
- Automatic analysis and report should be generated after the network failure.
During still on-going LTE network construction, operators should consider network evolution capability towards to 5G network as well as the current need, a future proved solution sure can protect the current investment. Therefore, in addition to the preceding three aspects, ultra high capacity, ultra high spectrum efficiency and automation, 5G microwave needs to be capable of smooth evolution towards to 5G network as well with reduced site visits and tower climbing times during network upgrade. In other words, Microwave link bandwidth can be improved to 5G backhaul capable level without extra tower space and tower load.
In 5G era, 5G sites don't need to rely on fibers, 5G microwave can be used to quickly and cost-effectively build 5G sites thanks to the fiber-like capacity and latency.
For more information, click the following link to download the complete 5G Microwave White Paper.