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Heterogeneous Network Advantages
NEC's View on HetNet
Networks are never uniform so as network environments are never the same: every network can have population-concentrated metropolitan areas that need different degrees or categories of public/business services, less concentrated rural regions, or a tourism destination and industrial center. Also there can be newly-identified dead –spots where users cannot receive signals especially at cell boundaries.
To meet this differentiation NEC offers intelligent Heterogeneous Network (HetNet) Solution which is a combination of NEC's high-capacity Small Cells and multivendor-capable SON introduced onto existing network. NEC's Heterogeneous network concept recognizes the diversity through implementation of various sizes of Cells to the existing network with the same/separated spectrums, the most effective and most cost-efficient way to enhance high capacity to where it's needed and uniform coverage where it's missing.
Benefits of NEC HetNet
The major benefit of NEC HetNet solution is an enriched high capacity and secured spot-free coverage. Small Cell overlay to existing network ensures high-speed, high-capacity communications thus creates specific hot spot areas, which is especially suitable for densely populated areas and business districts supporting reliable communication services of ever-diversifying applications and of large data size. According to our study, the power of HetNet is proven to multiple-fold higher capacity (system throughput) compared to conventional network.
On the other hand Small Cell can also be placed in gaps between cells to fill dead spots, or added along the network rim to expand the network. Uniformly available coverage is very important for today's trend of content-based application and services. The outcome is a tailor-made high-quality, spot-free network provision that LTE is aiming for but has not yet entirely achieved.
This benefit can be even further boosted in combination with NEC SON suites that automatically manages interference between cells and other parameters for optimized quality LTE services.
Cost-optimized network introduction is another benefit, by providing cells of appropriate sizes, especially though NEC's "plug & play" All-in-one Small Cell eNodeBs to larger cells. The flexible choice of cell sizes allows LTE services operators with the minimum investment on network enhancement/expansion. The combination of simple & easy eNodeB site installation and automatic self-configuration & network integration benefits LTE service providers with exceptionally quick yet error-free network implementation/expansion.
NEC's SON for HetNet
NEC's Self-Organizing Network (SON) leverages intensive network optimization and collaborative adaptability to any make, hence fully maximizes the HetNet benefit of most cost-efficient quality network creation. Comprehensive automation from planning, implementation and optimization of HetNet is available through our SON features, especially robust interference mitigation and mobility optimization both of which resolves the biggest issues that occurs when mixing different cell sizes. Today's service diversity has given birth to such a extensive dynamics of user behaviors, and this is where HetNet with SON is applied to realize effective network management for network operators while improving user experience consequently winning their high satisfaction.
