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Sudhakar Pandey et al 2 Network
accomplishment can be enriched by using cross-layer approach. Application of
transmission power control technique to arrange transmission power issues in
decline of energy consumption. ED is studied to consider the weight   assisted with each node. D views for degree
and E views for energy. Energy consumption is reduced and network accomplishment
is enriched by Control overhead reduction while route discovery and dynamic
improvement of transmission power is done. The energy model of wireless sensor network
can be decided as the total energy consumption of the network, maintaining all
its units, be it sensor device components, energy used in routing or route
maintenance, topology maintenance or whosoever it may be. Creating an energy
model is an vital part of any protocol growth and its performance estimation.
Here  a network is treated with n mobile
sensor nodes and single sink node that is static.Energy consumed by sensor
device:The sensor device consists of processing units, sensing unit, memory
unit and transceiver unit. So, energy consumption of each unit made  considered as:

E Sensor
Device = E processor + E sensor +

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                              Ememory+Etransceiver            (1)                                                                                      

Where E Sensor Device is the energy consumed by a sensor
device, E processor is the energy consumed by the processing units, E sensor is
the energy consumed by the sensing unit, E memory is the energy consumed by the
memory unit and E transceiver is the energy consumed by the transceiver unit. Since
network lifespan is an vital aspect criterion Sensor nodes perform for years.
clearly 70% of network’s energy is used  in data communication. By getting average of
Received Signal Strength (RSS) values, transmission power is improved by
Cross-Layer design approach for Power Control

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