Cisco 1004 - 1004 Router 배포 매뉴얼 - 페이지 28

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Basic Guidelines with Optional Site Survey

The Basic Guideline approach is based on empirical data from existing wireless deployments and is

adequate for most deployments. This approach is based on most enterprise buildings having common RF

characteristics, and that only a part of the building needs to be characterized to verify the access point

coverage for the entire building. This approach leverages the algorithms built into the Cisco WLAN

Solution Radio Resource Management (RRM) that ensure that the overlap between access points is

minimized and that coverage holes are detected and eliminated before clients find them.

When deploying 802.11 wireless LANs to support Voice over IP (VoIP) telephones, such as SpectraLink

NetLink Telephones, a few special considerations are needed in the deployment process. When

deploying an 802.11 voice system, full coverage with an average user throughput of 5 Mbps or more

should be used. Areas such as stairways, bathrooms, cafeterias and outside areas may require special

consideration and access points. These are areas that are not typically critical for data users but are

critical coverage areas for voice users who want seamless coverage.

Example Basic Guidelines Process

This section describes the basic factors that you need to consider before deploying access points.

Refer to each of the sections below for a detailed explanation:

•

This section helps you to determine the coverage area of a Cisco Radio based on the building type and

desired average user performance using the table below. The Z factor represents the length of a square

that corresponds to the coverage area of the access point.

Deployment Guide: Cisco Aironet 1000 Series Lightweight Access Points

Determining the Radius and Z Factor

Determining How Many Access Points are Needed

Optional Minimal Site Survey

Placing Access Points

Deployment

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