Difference between revisions of "Wireless sensor network - SoilNet"

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===Radio frequency used:===
 
===Radio frequency used:===
 +
2.4 GHz
  
 
===Radio protocol used:===
 
===Radio protocol used:===
  
 
===Range/Power (line of sight/dBm):===
 
===Range/Power (line of sight/dBm):===
 +
 +
Free sight range: 4km
 +
 +
Router to Router in Field in operation: 600 m
 +
 +
Belowground End device to Router in operation: up to 80 m
 +
 +
Transmission power 19 dBm
  
 
===Hop modes:===
 
===Hop modes:===
 +
 +
multi-hop, tree-network
  
 
===GPRS:===
 
===GPRS:===
 
+
yes
 
===Mesh limitations:===
 
===Mesh limitations:===
 
number of sensors:
 
number of sensors:
Line 25: Line 36:
  
 
===Sensor compatibility:===
 
===Sensor compatibility:===
 +
 +
Echo EC-5
 +
 +
Echo 5TE
 +
 +
Temperature
 +
 +
4 digital/ 4 analogue
  
 
===Data reading frequency:===
 
===Data reading frequency:===
  
===Storage of data/backup:===
+
===Storage of data/backup
 +
 
 +
===Power consumption:===
 +
 
 +
sleep modus: 5 µA
 +
 
 +
during sending: 125 mA
 +
 
 +
mW/packets ?
  
 
===Reliability:===
 
===Reliability:===
Line 47: Line 74:
  
 
===Battery life:===
 
===Battery life:===
 +
 +
End device calculated: 3 years
 +
 +
Router without solar panel: 3 months
  
 
===Maintenance required /Ease of maintenance:===
 
===Maintenance required /Ease of maintenance:===

Revision as of 23:14, 8 July 2009

Wireless sensor network


Method:

Summary:

Radio frequency used:

2.4 GHz

Radio protocol used:

Range/Power (line of sight/dBm):

Free sight range: 4km

Router to Router in Field in operation: 600 m

Belowground End device to Router in operation: up to 80 m

Transmission power 19 dBm

Hop modes:

multi-hop, tree-network

GPRS:

yes

Mesh limitations:

number of sensors:

number of nodes per router:


Additional information:

Sensor compatibility:

Echo EC-5

Echo 5TE

Temperature

4 digital/ 4 analogue

Data reading frequency:

===Storage of data/backup

Power consumption:

sleep modus: 5 µA

during sending: 125 mA

mW/packets ?

Reliability:

Years in service:

Failure rate instrument (years):

Packet failure (%):

Installation procedure:

Display

Real time data

Information on link quality

Installation underground possible:

Battery life:

End device calculated: 3 years

Router without solar panel: 3 months

Maintenance required /Ease of maintenance:

Support:

Software:

Web friendly interface:

Data base:

Scripting language:

Ease of update:

Open source:

Cost:

What to watch out for:

Problems/Questions:

Links

Projects that used the above equipment:


Other related web sites:

Technical information

Distributors


References