Chapter 4

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Across
  1. 1. UWB waves have a good material ? capability
  2. 5. zigbee is working group as much as the ? alliance
  3. 7. a ? is formed when two or more piconets are linked by a common bluetooth-enable device
  4. 8. maximum ? data transfer rate of 3mbps
  5. 9. no need to enter a ? for connection between two bluetooth device
  6. 10. zigbee coordinator transmits network ?
  7. 13. a ? consists of up to 8 bluetooth-enabled devices
  8. 14. zigbee is a standard for ? networking
Down
  1. 2. the impulse radio UWB is a carrier-less ?
  2. 3. one advantage of UWB is ? to jamming
  3. 4. zigbee is very secure because it use ARS_128 ?
  4. 6. UWB need to share the ? with other users because it operates in large bandwith
  5. 10. radio frequency communication between cell phones over short distance
  6. 11. zigbee network is ? until a connection is needed
  7. 12. UWB is interesting because it is ? cost