wireless sensor network my seminar ppt
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WIRELESS SENSORNETWORK - A Survey
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10/04/2023Eisha Madhwal 2
Large number of heterogeneous Sensor node devices spread over a large field. Wireless sensing + Data Networking.
Smart Sensor Nodes: Low power devices Consists of- one or more sensors, a processor, memory, a power supply, a
radio and an actuator.
What are wireless sensor networks (WSNs) ?
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10/04/2023Eisha Madhwal 3
1. Unstructured WSN
Dense collection of nodes
Ad-hoc deployment
Difficulty in network maintenance
2. Structured WSN
Few and scarcely distributed nodes
Pre-planned deployment
Lower network maintenance
Types of wireless sensor networks
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10/04/2023Eisha Madhwal 4
Transport Layer Interactions
Network Layer Interactions
Data-Link Layer Interactions
COMMUNICATION PROTOCOLS FOR DIFFERENT LAYERS INTERACTIONS
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10/04/2023Eisha Madhwal 5
- i) Congestion Detection ii) Congestion Control / Mitigation
- i) Direction ii) Reliability Measure iii) Packet Recovery
1. Transport Layer’s Main Concern
CONGESTION
RELIABILITY
ENERGY CONSERVATION
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10/04/2023Eisha Madhwal 6
1.2. 3.4.5.6.7.
Protocols Used in Transport LayerSensor Transmission Control Protocol (STCP)
GARUDA
Congestion Detection and Avoidance (CODA)
Delay Sensitive Transport (DST)
Pump Slowly, Fetch Quickly (PSFQ)
Event-to-Sink Reliable Transport (ESRT)
Price-Oriented Reliable Transport Protocol (PORT)
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10/04/2023Eisha Madhwal 7
Congestion in a Network
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10/04/2023Eisha Madhwal 8
Congestion-Lower Threshold
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10/04/2023Eisha Madhwal 9
Congestion-Higher Threshold
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10/04/2023Eisha Madhwal 10
CONGESTION DETECTION
BUFFER SIZE
BUFFER SIZE AND CHANNEL LOAD
STCP
PORT
DST
CODA
NODE PRICE
TRAFFIC REDIRECTION OR
END-TO-END RATE ADJUSTMENT
ESRT
END-TO-END RATE ADJUSTMENT
ADJUST SENDING RATE AT EACH
NODE
CONGESTION MITIGATION
PROTOCOLS
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10/04/2023Eisha Madhwal 11
PROTOCOLS
NO RELIABILITY MEASURE
EVENT RELIABILITY & NO PACKET RECOVERY
STCP
CODA
PSFQ
DST
EVENT INFORMATION RELIABILITY & NO PACKET
RECOVERYPORT
RELIABILITY MEASURE
ESRT
PACKET RELIABILITY & PACKET RECOVERY
GARUDAPACKET AND DESTINATION
RELIABILITY & PACKET RECOVERY
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10/04/2023Eisha Madhwal 12
Energy conservationSTCP
PORT
GARUDA
CODA
DST
ESRT
PSFQ
YES
NO
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10/04/2023Eisha Madhwal 13
- i) Routing Type
ii) Data Aggregation
iii) Computation Overhead
- i) Extra energy Requirement
2. Network Layer’s Main Concern
TRAFFIC FLOW
ENERGY EFFICIENCY
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10/04/2023Eisha Madhwal 14
Protocols used in Network Layer
1.
2.
3.
4.
GEOGRAPHICAL ROUTING
ANCHOR LOCATION SERVICE (ALS)
SECURE ROUTING (SecRout)
SECURE CELL REPLAY (SCR)
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10/04/2023Eisha Madhwal 15
Routing Type & Data Aggregation
ALS
GEOGRAPHICAL ROUTING
SecRout
SCR
Location-based Routing
& No Data Aggregation
Cluster-based Routing &
Data Aggregation
PROTOCOLS
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10/04/2023Eisha Madhwal 16
Computation overhead
GEOGRAPHICAL ROUTING
ALS
SecRout
SCR
Neighbor Selection/ Blacklisting
Each anchor processes sink location information
Encrypting and Decrypting Packets
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10/04/2023Eisha Madhwal 17
Concerned with the data-transfer between two nodes that share the same link.
PROTOCOLS1.
2.
3.
4.
3. DATA-LINK LAYER
Z-MAC (Medium Access Control)
LOW POWER RESERVATION-BASED MAC
LOW POWER DISTRIBUTED MAC
CC-MAC (Spatial Correlation-based Collaborative MAC)
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10/04/2023Eisha Madhwal 18
Protocol Type
Z-MAC
Low Power Reservation Based MAC
Low Power Distributer MAC
CC-MAC
TDMA/CSMA
TDMA
CSMA/CA
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10/04/2023Eisha Madhwal 20
1. MONITORING
2. TRACKING
APPLICATIONS OF WSNs
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10/04/2023Eisha Madhwal 21
FUTURE SCOPE
Intelligent transport, industry and society,
smart utilities
* Everything on Internet* Everybody on Internet
-Technology to *Blend and interconnect individual smart devices
*Enable access to information about the real world*Interact and influence the real world
Connected Consumer Electronics
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10/04/2023Eisha Madhwal 22
FUTURE SCOPE
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10/04/2023Eisha Madhwal 23
Jennifer Yick, Biswanath Mukherjee, Dipak Ghosal, Wireless Sensor Network Survey, Elsevier, 2008
BINARYCSE, http://www.binarycse.com/
REFERENCES
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10/04/2023Eisha Madhwal 24
THANK YOU!