Networks in Embedded Systems - DAIICT Intranet

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All components must be contained in a “matchbox” Limited energy Low speed (MHz) and small OS kernel (KBs) Small memory (KBs) Transceiver (kbps, short range, feet-meters)
topology maintenance a challenging task due to # of nodes, failures, dynamics etc Pre-deployment and deployment phase: no careful planning. considerations: the installation cost, no need for any pre-organization and pre-planning, the flexibility of arrangement, and better self-organization and fault tolerance. Post-deployment phase topology changes are due to change in position, reachability (due to jamming, noise, moving obstacles, etc.), available energy, malfunctioning, etc How to maintain the topology change? Re-deployment of additional nodes phase Adding new sensors
Page 1 and 2: Networks in Embedded Systems 200401
Page 3 and 4: Introduction. Sensing tasks and app
Page 5 and 6: Imagine: high-rise buildings self-d
Page 7 and 8: Intelligent Highways Seismic Struct
Page 9 and 10: Data dissemination Data collection
Page 11 and 12: Failures: lack of power, physical d
Page 13: Per node cost is important for larg
Page 17: Sensor node lifetime shows a strong
Page 21 and 22: PE more processing initial processi
Page 23 and 24: Higher performance at lower cost.
Page 25 and 26: Many different types of networks: t
Page 27 and 28: Common physical connection: PE 1 PE
Page 29 and 30: in1 in2 in3 in4 out4 out3 out2 out1
Page 31 and 32: Use several stages of switching ele
Page 33 and 34: Designed for low-cost, medium data
Page 35 and 36: Timeliness of the processes directl

Networks in Embedded Systems - DAIICT Intranet

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