SWRA733 March   2022 WL1807MOD , WL1837MOD

 

  1.   Trademarks
  2.   Acronyms
  3. 1Introduction
  4. 2 Single-Channel Versus Multi-Channel
    1. 2.1 MRSC Single Radio Network Topology
    2. 2.2 MRMC Single Radio Network Topology
    3. 2.3 Experiment and Results
  5. 3Multi-Channel Challenges and Requirements
    1. 3.1 802.11 Spec Enablers for Role Switch Protections
    2. 3.2 Role Switch Protection Implementations
      1. 3.2.1 AP Based Roles
      2. 3.2.2 STA Based Roles
    3. 3.3 Single Radio Multi-Channel Challenges
    4. 3.4 Single Radio Multi-Channel Key Requirements
  6. 4WL18xx™ Multi-Channel Implementations
    1. 4.1 Arranging the Role Activity Requests by Priority
    2. 4.2 Scheduling the Role Activities
    3. 4.3 Leveraging MRMC to Improve WLAN-BT Coexistence
  7. 5Conclusions
  8.   Appendix

2 Single-Channel Versus Multi-Channel

As mentioned, a Multi Role solution implements several WLAN roles operating concurrently. There are different multi role types and each one has different properties: The single channel type limiting the WLAN roles to operate on same band and channel (for example AP and STA operating on channel 1 on the 2.4-GHz band). The multi-channel type, on the other hand, can avoid this by allowing the WLAN roles to operate on different channels and even bands.

Another aspect is the amount of radios used for the multi-role solution. The multiple radios solution can achieve full concurrency where each WLAN role gets its own resources and full radio access. The single radio solution can achieve similar system efficiency and performance by dividing the radio access and resources in a managed way and overcome some of the challenges.