Rabu, 24 Februari 2010

Zig Bee

ZigBee is a wireless technology developed as an open global standard to address the unique needs of low-cost, low-power, wireless sensor networks. ZigBee is the equivalent of words and Zig Bee. Zig means zig-zag movement and Bee is a bee. Zigbee possess communication similar to the communication between the bees that perform movements erratic in conveying the information of honey to the bee that one to bee the other

The ZigBee Protocol

he ZigBee protocol was engineered by the zig bee aliance , a non-profit consortium of leading semiconductor manufacturers, technology providers, OEMs and end-users worldwide. The protocol was designed to provide OEMs and integrators with an easy-to-use wireless data solution characterized by low-power consumption, support for multiple network structures and secure connections

The ZigBee Advantage

The ZigBee protocol was designed to carry data through the hostile RF environments that routinely exist in commercial and industrial applications.

feature of zigBee
  • Low duty cycle - Provides long battery life
  • Support for multiple network topologies: Static, dynamic, star and mesh
  • Up to 65,000 nodes on a network
  • Low latency
  • Support for guaranteed time slots and packet freshness
  • Retries and acknowledgements
  • Clear channel assessment
  • Link quality indication
  • Collision avoidance
  • Direct Sequence Spread Spectrum (DSSS)
  • 28-bit AES encryption – Provides secure connections between devices

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