User's Manual
Table Of Contents
- Table of Contents
- List of Figures
- Introduction
- Installing the Wireless Array
- Installation Prerequisites
- Planning Your Installation
- Installation Workflow
- Installing Your Wireless Array
- Powering Up the Wireless Array
- Establishing Communication with the Array
- Entering the License
- Performing the Express Setup Procedure
- The Web Management Interface
- Viewing Status on the Wireless Array
- Configuring the Wireless Array
- Express Setup
- Network
- Services
- VLANs
- Tunnels
- Security
- SSIDs
- Groups
- IAPs
- WDS
- Filters
- Clusters
- Using Tools on the Wireless Array
Wireless Array
Installing the Wireless Array 37
Figure 17. MIMO Signal Processing
Multipath signals were considered to be interference by 802.11a/b/g radios, and
degraded performance. In 802.11n, these signals are used to enhance
performance. This extra sensitivity can be used for greater range or higher data
rates. The enhanced signal is the processed sum of individual antennas. Signal
processing eliminates nulls and fading that any one antenna would see. MIMO
signal processing is sophisticated enough to discern multiple spatial streams (see
Multiple Data Streams — Spatial Multiplexing). There are no settings to configure
for MIMO.
Frequency Across Subcarriers
Attenuation
Antenna 1 Signal
MIMO Processed Signal
Antenna 2 Signal
Antenna 3 Signal
Receiver