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In this paper we present a data collection scheme using mobile sink in wireless sensor and actor networks (WSAN). In order to improve the performance of WSAN, mobile sink is introduced. The mobile sink is able to move through the monitoring area, collect the sensed data from the sensor nodes in the radio transmission range. Once the data from all sensors are collected, the mobile sink returns to the...
As improvement of wireless and mobile technologies such as FMIPv6 and mSCTP, mobile devices such as laptops and PDAs are widely used. We investigate existing Mobile IPv6 scheme such as FMIPv6 in network layer and mSCTP in transport layer and find that both of them have some defects for signaling cost in mobile IPv6 environment. So, we we make a potential change to mSCTP - combine add-IP message with...
We investigate existing mobile IPv6 scheme in network layer (e.g., FMIPv6) and in transport layer (e.g., mSCTP) again. We find that FMIPv6 easily causes packet forwarding process of access routers (ARs), buffering overhead, a few handover signaling costs and latencies. We also find that mSCTP can make the mobile client (MC) change its IP address dynamically without connectionless, but itpsilas handover...
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