Jiejia Chen

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Collaboration based on GIS provides a spatially referenced negotiation environment for decision makers. Among the collaboration process, the operations of the system users may conflict. The existing solutions to operation conflict are essentially based on the time the operations occur. It doesn’t consider the characteristics of the operations and the(More)
Wireless sensor networks where nodes operate on batteries so that energy consumption must be minimized are considered. We analyze the power consumptions for multihops communication with non-regenerative relays that can only amplify the received signal without decoding and coding it. For energy-constrained systems, the transmitter efficiency, relay(More)
In this paper, the performance analysis for a dual-hop Amplify-and-Forward relaying network is extended to the context of impulse radio ultra-wideband. Due to multiple accesses,the interference distribution is not Gaussian. We propose a symmetric α-stable model compatible with the impulsive nature due to its heavy tailed distribution. Taking advantage(More)
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