Cisco Aironet 2702i User Manuals

Table of Contents

• 1. Executive Summary

  3
• 2. What Is 802.11ac?

  4
• 2.1 Drivers for 802.11ac

  4
• 2.2 How Does 802.11ac Go So Fast?

  5
• 2.3 How Do We Make 802.11ac Robust?

  7
• 2.3.1 Technology Overview

  7
• 2.3.2 Differences Between 802.11ac and 802.11n

  8
• 2.3.3 Standards-Based Beamforming

  9
• 2.3.4 RTS/CTS with Bandwidth Indication

  10
• 2.3.5 All A-MPDUs

  12
• 2.3.6 Channelization and 80+80 MHz

  12
• 2.3.7 Rate at Range

  16
• 2.3.8 Regulatory Considerations

  16
• 2.3.9 MU-MIMO

  17
• 2.3.10 802.11ac Project Authorization Request

  18
• 3. When Is 802.11ac Happening?

  19
• 4. How Does 802.11ac Affect Me?

  19
• 4.1 Compatibility

  19
• 4.2 When to Upgrade to 802.11ac?

  20
• 4.3 Radio Resource Management and WIPS Effects

  21
• 5. Summary

  21
• Appendix: What Is 802.11n?

  21