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802.15 Wireless Standards

Power Consumption & Complexity. 802.11a HiperLAN. WLAN. 802.11g. 802.11b. 802.15.1 Bluetooth. 802.11. 802.15.3. 802.15.4. WPAN. Data Rate. 802.15 Wireless Standards. Backbone Protocol (Ad-Hoc Network). Some nodes chosen as backbone nodes

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802.15 Wireless Standards

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  1. Power Consumption & Complexity 802.11a HiperLAN WLAN 802.11g 802.11b 802.15.1 Bluetooth 802.11 802.15.3 802.15.4 WPAN Data Rate 802.15 Wireless Standards

  2. Backbone Protocol (Ad-Hoc Network) • Some nodes chosen as backbone nodes • Backbone nodes stay on at all times • Leaf nodes can go to sleep • Establishes path between source and destination nodes • Examples: SPAN, PEAS 1 3 5 2 4

  3. Topology Control Protocols • Goal to Reduce Transmission power for controlling topology to remain connected, while at the same time saving energy • Examples: CBTC, Localized Delauney Triangulation Topology Control Homogeneous (Critical Transmitting Range) Heterogeneous Location Based Direction Based Neighbor Based Minimum Range Assignment Energy-Efficient Communication

  4. Asynchronous Sleep Schedulers • Senders Transmit for longer periods of time to guarantee nodes are awake to hear you • Receivers check the channel periodically to see if it data being transmitted • Examples : BMAC, WiseMAC Transmitter Preamble Data Sleep Receiver Sleep Check the Channel Check the Channel Check the Channel and receive

  5. Synchronous Sleep Schedulers • Assumes clock synchronization between nodes • Senders and receivers know when each other are on, so send only during those periods • Examples: SMAC, PAMAS, 802.11 PSM Transmitter: Awake Awake Asleep Asleep Asleep Send Packets Send Packets Receiver: Awake Awake Asleep Asleep Asleep Receive Packets

  6. Wide Area Network (WAN) 802.16e Nomadic 802.20 Mobile 802.21 Handoff 802.22 WRAN 2, 2.5, 3G Cellular Metropolitan Area Network (MAN) 802.16/WiMAX Fixed Wireless MAN Local Area Network (LAN) 802.11 Wi-Fi Personal Area Network (PAN) 802.15.1 Bluetooth 802.15.3 802.15.4 Zigbee

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