Jobs that need to be done and information that needs to be collected during a WLAN site survey

A WLAN site survey involves the following tasks:
- Determine the coverage objects and requirements.
- Obtain the layout of the coverage areas from the customer.
- Learn the network topologies in the areas.
- Obtain contact information about the customer's onsite technical personnel.
- Identify the device installation positions and power supply mode (provided by the asset management personnel).
- Determine the positions to install APs, power cables, and network cables with the asset management personnel. Check whether Internet access resources are available.
- Determine whether a distributed antenna system (DAS) is required according to the coverage objectives. If a DAS is available, obtain the DAS design drawings from the customer. If not, ask the customer whether a DAS is required. If a new DAS is required, determine the positions of antennas with asset owners.
- Check the construction materials and calculate signal attenuation.
- Detect interference sources.

Collect the following information during a WLAN site survey:
- Layout drawings of the coverage areas: Mark the cabling routes and device installation positions on the layout drawings.
- Building arrangement and structure in the coverage areas: Calculate the signal coverage distance of APs based on the building arrangement and structure.
- Number of access users and required bandwidth: Calculate the network capacity.
- Device installation positions
- Topology and egress resources of the wired network
- Whether there are sufficient optical fibers and wired network resources to transmit WLAN data.
- Signal losses caused by walls, doors, windows, and other construction materials
- Locations and signal strength of interference sources
- Requirements of asset owners

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