1. 1 Wireless PAN

2. 2 IEEE 802.15 WG for WPANs  802.15.1 WPAN/Bluetooth  A derivative of Bluetooth  802.15.2 Coexistence  A recommended practice to promote better coexistence of IEEE 802 wireless technologies: bluetooth, 802.11, appliances such as microwaves and cordless phones operating in unlicensed 2.4 GHz ISM band  802.15.3 WPAN/High Rate  High rate WPAN (11 ~ 55 Mbps in 2.4 GHz unlicensed band) for portable consumer digital imaging and multimedia applications  802.15.3a: UWB ( ~ 480 Mbps)  802.15.3c: 60 GHz unlicensed band

3. 3 IEEE 802.15 WG for WPANs (cont’d)  802.15.4 WPAN/Low Rate  Ultra-low complexity, cost, and power for a low data rate (<= 200Kbps) wireless connectivity among fixed, portable, and moving devices  Potential applications: sensors, interactive toys, smart badges, remote control, and home automation  802.15.4a: low data rate standard based on UWB  802.15.5 WPAN/Mesh  PHY and MAC of WPANs to enable mesh networking

4. 4 IEEE 802.15.3 MAC  Support ad hoc networking, MM QoS provisioning, and power mgmt  Short connection time: 1 sec  Superframe

5. 5  2.4 ~ 2.4835 GHz  Symbol rate: 11 Mbaud (as used in 802.11b)  Data rate: 11, 22, 33, 44, 55 Mbps with modulation formats  Uncoded QPSK: 22 Mbps  Trellis coded QPSK: 11 Mbps  16/32/64-QAM: 33, 44, 55 Mbps  4 channels of BW 15MHz  Tx power level target: 0dBm  Optimized for short-range transmission (~ 10m)  In reality  50% more expensive than Bluetooth  Power consumption and size: 50% greater than Bluetooth  Bluetooth SIG is going slowly to develop the next generation Bluetooth Radio 2 (2 ~ 10 Mbps) IEEE 802.15.3 PHY