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Wireless & Emerging Networking System Laboratory

PERFORMANCE EVALUATION OF IP CAMERA
Click to edit WITH ISA100.11a
IEEE 802.11 COEXISTENCE

Master title style

Wireless Communication Class, 2013
Oka Danil Saputra
IT Convergence
Kumoh National Institute of Technology
1

December 18th, 2013
Outline
 Introduction
 Standards
 Simulation
 Conclusion
Introduction
 Wireless technology has grown rapidly in recent years that
offer low cost, flexibility, reliability and ease of installation.
 Industrial wireless standard : ISA100.11a
 IP Camera based on IEEE 802.11
IP Camera (IEEE Standards)

Figure Outdoor Wireless IP Camera

Specification
• Model

: FI9840WS

• Wireless standards

: IEEE 802.11 b/g/n

• Data rate

: 802.11 b/g (11 Mbps) , 802.11 g 54 Mbps

• Video Quality

: 720p HD
ISA100.11a Standard
•

PHY layer adopting IEEE 802.15.4, 2.4 GHz.

•

Support star, mesh and combination of both topology.
ISA100.11a Standard (Cont…)
• Use CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance)
mechanism with TDMA in MAC Layer.
• ISA100.11a standard define three type of channel hopping.
Simulation Scenario (1/2)
Simulation Scenario (2/2)
Simulation Result (1/2)
Throughput (bit/sec)

Delay (sec)
Conclusion
• Performance evaluation is needed to look at the
characteristics of the network developed.
• From the simulation results obtained that the
installation of IP camera in ISA100.11a network made
increased throughput and reduce delay in Fixed node.
Thank You

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Oliver Asks for More by Charles Dickens (9)
 

Wireless communication class_oka_131218

Editor's Notes

  1. In CSMA/CA, as soon as a node receives a packet that is to be sent, it checks to be sure the channel is clear (no other node is transmitting at the time). If the channel is clear, then the packet is sent. If the channel is not clear, the node waits for a randomly chosen period of time, and then checks again to see if the channel is clear. This period of time is called the backoff factor, and is counted down by a backoff counter. If the channel is clear when the backoff counter reaches zero, the node transmits the packet. If the channel is not clear when the backoff counter reaches zero, the backoff factor is set again, and the process is repeated.Time division multiple access (TDMA) is a channel access method for shared medium networks. It allows several users to share the samefrequency channel by dividing the signal into different time slots.