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.
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3. 1. Unstructured WSN 2. Structured WSN
 Dense collection of  Few and scarcely
nodes distributed nodes
 Ad-hoc deployment  Pre-planned deployment
 Difficulty in network  Lower network
maintenance maintenance
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4. Transport Layer Interactions
Network Layer Interactions
Data-Link Layer Interactions
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5. 
CONGESTION - i) Congestion Detection
 ii) Congestion Control / Mitigation

 RELIABILITY - i) Direction
 ii) Reliability Measure
 iii) Packet Recovery
ENERGY
CONSERVATION
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6. 1. Sensor Transmission Control Protocol (STCP)
2. Price-Oriented Reliable Transport Protocol (PORT)
3. GARUDA
4. Congestion Detection and Avoidance (CODA)
5. Delay Sensitive Transport (DST)
6. Pump Slowly, Fetch Quickly (PSFQ)
7. Event-to-Sink Reliable Transport (ESRT)
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7. Eisha Madhwal 5/30/2012 7

8. Eisha Madhwal 5/30/2012 8

9. Eisha Madhwal 5/30/2012 9

10. PROTOCOLS CONGESTION
MITIGATION
STCP TRAFFIC
REDIRECTION OR
BUFFER SIZE ESRT END-TO-END RATE
ADJUSTMENT
DST
END-TO-END RATE
NODE PRICE PORT ADJUSTMENT
BUFFER SIZE AND ADJUST SENDING
CODA
CHANNEL LOAD RATE AT EACH
NODE
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11. RELIABILITY MEASURE
PACKET RELIABILITY &
STCP
PACKET RECOVERY
EVENT INFORMATION
PORT RELIABILITY & NO PACKET
RECOVERY
CODA NO RELIABILITY MEASURE
DST
EVENT RELIABILITY & NO
PACKET RECOVERY
PSFQ
ESRT
PACKET AND DESTINATION
GARUDA RELIABILITY & PACKET
RECOVERY
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12. STCP
PORT
YES
GARUDA
CODA
DST
ESRT
NO
PSFQ
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13. TRAFFIC FLOW - i) Routing Type
ii) Data Aggregation
iii) Computation Overhead
ENERGY EFFICIENCY - i) Extra energy Requirement
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14. 1. GEOGRAPHICAL ROUTING
ANCHOR LOCATION SERVICE
2. (ALS)
3. SECURE ROUTING (SecRout)
4. SECURE CELL REPLAY (SCR)
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15. PROTOCOLS
Location-
GEOGRAPHICAL
ROUTING based Routing
& No Data
Aggregation
ALS
SecRout Cluster-based
Routing & Data
Aggregation
SCR
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16. GEOGRAPHICAL Neighbor Selection/
ROUTING Blacklisting
Each anchor processes sink
ALS location information
SecRout
Encrypting and Decrypting
Packets
SCR
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17. Concerned with the data-transfer between two
nodes that share the same link.
PROTOCOLS
1. Z-MAC (Medium Access Control)
2. LOW POWER RESERVATION-
BASED MAC
3. LOW POWER DISTRIBUTED MAC
4. CC-MAC (Spatial Correlation-based
Collaborative MAC)
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18. Z-MAC TDMA/CSMA
Low Power
Reservation Based TDMA
MAC
Low Power
Distributer MAC
CSMA/CA
CC-MAC
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19. 1. MONITORING
2. TRACKING
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20. Connected * Everything on Internet
Consumer * Everybody on Internet
Electronics
-Technology to
*Blend and interconnect individual smart
devices
*Enable access to information about the real
world
*Interact and influence the real world
Intelligent transport,
industry and society,
smart utilities
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21. Eisha Madhwal 5/30/2012 22

22.  Jennifer Yick, Biswanath Mukherjee, Dipak Ghosal, Wireless
Sensor Network Survey, Elsevier, 2008
 BINARYCSE, http://www.binarycse.com/
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23. THANK YOU!
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