SWRU423A July   2015  – May 2016 WL1801MOD , WL1805MOD , WL1807MOD , WL1831MOD , WL1835MOD , WL1837MOD

 

  1.   WiLink 8 WLAN Features Guide
    1.     Trademarks
    2. 1 Introducion
      1. 1.1 Scope
      2. 1.2 Acronyms Table
      3. 1.3 WiLink 8 Specification
    3. 2 General Features
      1. 2.1  Supported Rates
        1. 2.1.1 11b Rates
        2. 2.1.2 11a/g Rates
      2. 2.2  High-Throughput (HT) Features
        1. 2.2.1 11n Rates
        2. 2.2.2 MIMO at 2.4 GHz
        3. 2.2.3 40-MHz BW Operation
        4. 2.2.4 A-MPDU and A-MSDU
        5. 2.2.5 RIFS
        6. 2.2.6 BA Sessions
        7. 2.2.7 Greenfield
      3. 2.3  Quality of Service (QoS)
      4. 2.4  Protection Types
        1. 2.4.1 General
        2. 2.4.2 Protection Methods
      5. 2.5  Suspend and Resume
      6. 2.6  WoW (Wake on WLAN)
      7. 2.7  Set TX Power
      8. 2.8  5-GHz Antenna Diversity
      9. 2.9  Wi-Fi – Bluetooth/Bluetooth Smart Coexistence
      10. 2.10 Wi-Fi – ZigBee Coexistence
      11. 2.11 Accurate Synchronization Over Wi-Fi
    4. 3 Single Role: Station
      1. 3.1  Scanning
        1. 3.1.1 One-Shot Scan
        2. 3.1.2 Connection Scan
        3. 3.1.3 Background Scan
      2. 3.2  Connection
        1. 3.2.1 Manual (Via Commands)
          1. 3.2.1.1 Connection Time
          2. 3.2.1.2 Connection Success Rate
          3. 3.2.1.3 Connect to Best BSSID of the Configured SSID
        2. 3.2.2 Automatic (Via Profiles)
        3. 3.2.3 Wi-Fi Protected Setup (WPS)
          1. 3.2.3.1 WPS PBC
          2. 3.2.3.2 WPS PIN
      3. 3.3  Disconnection
      4. 3.4  DHCP Client
      5. 3.5  Security
        1. 3.5.1 Authentication Types
        2. 3.5.2 Encryption Types
        3. 3.5.3 Broadcast Key Rotation (BKR)
      6. 3.6  Filtering
        1. 3.6.1 Beacon Filtering
        2. 3.6.2 Multicast Filtering
      7. 3.7  Auto ARP
      8. 3.8  Preferred Networks (Profiles)
        1. 3.8.1 Hidden Network
      9. 3.9  Power-Save Mode
        1. 3.9.1 Active
        2. 3.9.2 Auto Power-Save Mode
        3. 3.9.3 Forced Power-Save Mode
      10. 3.10 Power-Save Delivery Protocols
        1. 3.10.1 Legacy
        2. 3.10.2 U-APSD
      11. 3.11 Keep-Alive Mechanism
      12. 3.12 Smart Config
      13. 3.13 Regulatory Domain
      14. 3.14 DFS Slave (Channel Switch)
      15. 3.15 Roaming
        1. 3.15.1 Roaming Mechanism
          1. 3.15.1.1 Mechanism Enabling
          2. 3.15.1.2 Roaming Candidates List
          3. 3.15.1.3 A Decision to Roam
          4. 3.15.1.4 Connection to a Better AP
        2. 3.15.2 Roaming Triggers
          1. 3.15.2.1 RSSI Level Delta
          2. 3.15.2.2 APs Disappearing
    5. 4 Single Role: AP
      1. 4.1  Connection
      2. 4.2  Hidden SSID
      3. 4.3  Security
      4. 4.4  Regulatory Domain
      5. 4.5  AP Scan
      6. 4.6  Automatic Channel Selection (ACS)
        1. 4.6.1 40-MHz Operation
        2. 4.6.2 ACS Whitelist and Blacklist Channels
      7. 4.7  Maximum Connected Stations
      8. 4.8  Aging
      9. 4.9  DFS Master
        1. 4.9.1 DFS Standards
        2. 4.9.2 DFS Mechanism
        3. 4.9.3 WiLink8.0 DFS Master Capabilities
      10. 4.10 Access Control
        1. 4.10.1 Blacklist
        2. 4.10.2 Whitelist
      11. 4.11 Extreme Low Power (ELP)
    6. 5 Single Role: P2P
      1. 5.1 P2P Device
        1. 5.1.1 Searching Phase
        2. 5.1.2 Negotiation
        3. 5.1.3 Group Formation
      2. 5.2 PSP Client
      3. 5.3 P2P GO
    7. 6 Single Role: Mesh
      1. 6.1 Supported Modes
        1. 6.1.1 Mesh Point
        2. 6.1.2 Mesh Portal/Gate
        3. 6.1.3 Mesh Access Point
      2. 6.2 Hardware and Software Requirements
        1. 6.2.1 Hardware requirements
        2. 6.2.2 Software Requirements
      3. 6.3 Capabilities
    8. 7 Multi-Role
      1. 7.1 General Overview
      2. 7.2 Limitations
    9. 8 Performance
      1. 8.1 Single-Role
      2. 8.2 Multi-Role
      3. 8.3 AP and mBSSID (Dual AP) Fairness
        1. 8.3.1 AP Fairness: 1-to-10 Stations Throughput Distribution
        2. 8.3.2 mBSSID Fairness: 10 Stations Throughput Distribution
      4. 8.4 Bluetooth WLAN Coexistence
        1. 8.4.1 WLAN Single Role – Bluetooth Performance
  2.   Revision History

5.1.1 Searching Phase

During a searching phase, the P2P device discovers any device that supports P2P functionality and is discovered by other P2P devices for further connection. If P2P functionality is used by some specific application, such as Miracast, only devices that support Miracast capabilities appear in the list of devices for connection. Such filtering is possible because of a service discovery function in P2P devices.

The P2P device does not have a static operating channel in which it can be detected. Thus, the search phase consists of two phases: scan and listen. During the scan phase, the P2P devices scan all WLAN channels on both 2.4 GHz and 5 GHz (if 5 GHz is supported), and wait for responses from devices that support P2P functionality. During the listen phase, the P2P devices stay on specific channels called social channels. The P2P device remains in the listen state for a time period that permits detection. P2P detection during the search phase is statistical and depends on a proper combination of the scan and the listen phases. When P2P devices are detected, they appear in the P2P devices list.

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