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Underwater acoustic (UWA) network testbed offers an efficient way for performance evaluation and comparison from the viewpoint of quasi-practical environments. In this paper a cross-media underwater sensor network test-bed is designed and implemented to investigate its performance for cross-media networking. The hardware design, network protocol and field experiment setting of the test-bed is provided...
This paper presents a battery-connected wireless ion sensing system comprising a Na+-selective electrode, a 406 pW Potentiometrie front end, a 780 pW reference-free asynchronous SAR ADC, a 2.4 GHz power oscillator-based transmitter that consumes 2.4 nW when transmitting 100 bps, a 485 pW quiescent power 1.8-to-0.6 V switched-capacitor DC-DC converter with 96.8% peak efficiency, and two temperature-stabilized...
The femtocell networks that use Home eNodeB (HeNB) and existing networks as backhaul connectivity can fulfill the upcoming demand of high data rate for wireless communication system as well as can extend the coverage area. Hence the modified handover procedure for existing network is needed to support the macrocell/femtocell integrated network. Frequent and unnecessary handover is another problem...
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