Hybrid Survey

Hybrid Survey is a combination
of the Greenfield Survey and the Predictive Survey,
created to implement a new wireless network project.created to implement a new wireless network project.

Hybrid Survey is useful for customers who want to implement a new wireless network, replace an old technology or move to another level of technical design, to support a new technology. This study will create a new wireless network project, based on a certain technical degree. Hybrid Survey is a combination of the Greenfield Survey activity and the Predictive Survey activity. This is done by bringing a test AP on site and lifting it with a mast (AP on a stick).

The coverage from the test AP is mapped using the Ekahau Survey software. This is done in certain locations, to obtain a coverage model (fingerprint), to be used in the design of the Predictive survey. Spectrum analysis is done at predefined audit points throughout the location. The predictive planning software is then loaded with floor plans and construction information on site.

The information from the test AP footprint is used to place the following APs on the floor plan diagram to provide the necessary coverage based on the KPIs. It generates a map with the locations of the APs, which meet a coverage or density pattern. Signal strength, data rates and co-channel interference are all modeled and mapped. Hybrid surveys can be performed with different KPIs that usually fall into one of the following three categories: Data Grade, Voice Grade and Location Grade.

Hybrid surveys work when a site has similar areas, which can be reproduced by predictive survey design. Typical environments are multi-storey buildings, where the layout is the same on each floor, or warehouses with large storage areas where wireless coverage can be reproduced.

Location performed

On Site & Off Site

Applicable Site Types

  • Offices
  • Hotels
  • Hospitals
  • Sales
  • Deposits
  • Manufactures
  • Arenas / Stadiums
  • Medical / education sites

Equipment Needed

  • Laptop Computer
  • Ekahau Survey Pro
  • Ekahau Spectrum SideKick
  • Test Access Points
  • Battery Packs
  • Masts
  • Carts
  • Cables


1. Floor plans with the arrangement of the APs

2. Heat Maps for signal strength based on KPIs

3. Details of PAs, including:

  • AP name / number
  • Transmission power settings
  • Antenna type and orientation
  • Height
  • Location information for the installer

4. Information about Rogue APs

5. Spectrum analysis data with descriptions and signal strength of interfering devices

6. List of materials for APs and antennas

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