Wireless Communication - Zigbee, Bluetooth - IIIT

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Zigbee Specification Two lowest layers (PHY and MAC) are equal to those in IEEE 802.15.4 Higher layers in Zigbee stack are specified to allow efficient communication within entire network and on the application level Routing mechanisms on network layer allow multi-hop data transmission, selection of best suitable path and rerouting Application framework provides interface to enable simultaneous execution of multiple applications
Zigbee Node Types Coordinator: Only mandatory node type in the network; Acts as root node and performs multiple network management activities Only FFD in 802.15.4 terminology can act as network coordinator Router: A 802.15.4 FFD node not acting as network coordinator; Used to extend network coverage area beyond transmission range of single device; Increase network reliability by creating additional data routing paths End device: Correspond to RFD in 802.15.4; Can directly communicate with a single coordinator/router Node addressing: Each node that joins the zigbee network gets a 16 bit network address (How many bits was the MAC address?) Communication at network level is performed based on this address; Direct communication between two neighboring devices is based on MAC address
Page 1 and 2: Wireless Communication - Zigbee, Bl
Page 3 and 4: Revision from last class - I UART W
Page 5 and 6: Range IEEE 802 Wireless Space WWAN
Page 7 and 8: IEEE 802.15.4 Data Transfer Models
Page 9: IEEE 802.15.4 MAC Layer Key MAC lay
Page 13 and 14: Zigbee Network Topologies Mesh Topo
Page 15 and 16: ZigBee Mesh Networking
Page 17 and 18: ZigBee Mesh Networking
Page 19 and 20: Zigbee Application Operation - I Ea
Page 21 and 22: Zigbee Operation - I Network is ini
Page 23 and 24: Zigbee Operation - III Message prop
Page 25 and 26: Radio Characteristics Comparison Zi
Page 27 and 28: Building/Home Automation
Page 29 and 30: Bluetooth Characteristics (II) Uses
Page 31 and 32: Piconets Nodes can assume the role
Page 33 and 34: Forming a Piconet (I) • Initially
Page 35 and 36: Inquiry Note that a device can be
Page 37 and 38: Connecting to a Piconet • Device
Page 39 and 40: Low Power States • Sniff state
Page 41: Scatternets (II) D F H G M N O J E

Wireless Communication - Zigbee, Bluetooth - IIIT

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