DAS Optimization Considerations

DAS systems are an effective way of adding coverage and capacity and have become an integral part of a wireless network to provide an effective solution in challenging RF environment. DAS solution deployed in various environments requires Optimization of the network in order to meet network performance requirements and excellent customer experience.

DAS Design Considerations

Coverage & Capacity: First consideration for a DAS design is type of venue/building that is the target of DAS deployment. A stadium will have a different requirements & challenges than a high-rise building in terms of number of sectors, coverage & capacity targets. An indoor arena would have to account for different event types to handle variably capacity compared to an airport. These different requirements will be key factor in determining DAS OEM, sectorization, Macro Interaction and DAS Handover zones.

RF Design Through Milestones

RF Site Design services tend to come in two main forms; milestone and staffing. Milestone based design services offers more control to the client as well as increases quality of work in ways that general staffing cannot. With milestone services, the operator is able to control the number of resources for the particular place in the design process without increasing the expenses. For design projects, the beginning and end of the projects typically require more resources and the staffing agency would provide additional staff to meet the need.

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Small Cell Design (Indoor) - Soft RF Considerations

Once the physical considerations of a small cell design are accounted for, there is the soft side of it that also needs to be looked at to ensure if fits into the overall network and provides the desired impact. There are many soft considerations on specific parameters that are unique to each vendors in terms of load balancing, offsets and such, but we will consider some of the major soft considerations that impact the design. These include:

Small Cell Design (Indoor) - Physical Considerations

When doing any indoor small cell design, it is important to understand that every building is different. These physical difference need to be accounted for in the design. There are many soft RF considerations as well, however we will focus on the physical considerations here. These include:

  1. Small Cell Distance
  2. Capacity
  3. Floor Design
  4. Model Tuning
  5. Cable Runs


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