Wireless Network Operating Environment Constraints

Wireless Network Operating Environment Constraints

1. In wireless networking,the physical connectivity is supported at long distance over wireless link of one or multiple hops.

2. The aim of logical connectivity is also to support multi hop routing

3. Sensor nodes have following resource constraints

   • power consumption
     • The life of the sensor nodes depends on the battery.
       • Wireless networks have limited supply of power
         • ,hence the designer has to consider energy conservation as key factor while designing algorithm
   • communication
     • Limited bandwidth is allocated to wireless networks
       • Hence sensor node may insist to use noisy channel and transmission channel may be transferred to unprotected band of frequency
         • This effect has poor QoS,security and limited capacity
   • computation
     • Sensor networks have limited power and memory resources
       • This limits data processing algorithm which operate on a node
         • This also restricts the capacity and volume of intermediate results of node
   • uncertainty in measured parameters
     • The signals that are detected or collected maybe uncertain
       • and combined with noise or interference