Wireless Ad Hoc and Sensor Networks

Index 497Hashem and Sousa studies, 213, 234Heinzelman studies, 339–340Heizelman studies, 383HELLO packetsad hoc wireless networks, routing, 360memory limitations, 419neighbor sensing, 363–364, 371OEDSR/OEDR comparison, 410optimal relay node selection, 389, 391optimized energy-delay subnetworkrouting, 385, 419optimized link state routing, 361He studies, 383Heuristic rate adaptationbackoff mechanism, 267channel-state estimation, 261–262congestion, 265–266fundamentals, 259–261MAC protocol design, 267maximum usable rate, 262minimum usable rate, 262–265, 263modulation rate, 265–266, 266power selection, 266–267Hidden-terminal problems, 243–244,243–245High-speed networks, hybrid approachadaptive estimator model, 164adaptive traffic estimator design, 153–157admission control, 159–163, 160bandwidth, 157–159estimator structure, 154, 154–155examples, 167–170fundamentals, 147–150, 171guaranteed estimation, 155–157network model, 150–151, 150–153,164–165simulation, 163–171traffic sources, 165–166weight updates, 155–157Hill studies, 383Hoblos studies, 37Holland studies, 254–262, 275, 282Home RF, 42Hull studies, 430–431Hunt, Kalkkuhl and, studies, 50–51Hybrid approach, congestion controladaptive estimator model, 164adaptive traffic estimator design, 153–157admission control, 159–163, 160bandwidth, 157–159estimator structure, 154, 154–155examples, 167–170fundamentals, 147–150, 171Iguaranteed estimation, 155–157network model, 150–151, 150–153,164–165simulation, 163–171traffic sources, 165–166weight updates, 155–157Idle mode, 288IEEE standards, see StandardsImplementationcongestion control, 120–122controller structure, 91decentralized adaptive power control,472, 472–473distributed power control, 239–242, 240,240–242, 275dynamic-programming-base rateadaptation, 275energy-aware MAC protocol, 345fair scheduling, 332–338mobile ad hoc networks, 33–35, 34optimized energy-delay subnetworkrouting, 414–420wireless ad hoc networks, 239–242, 275Implementation, DPC hardwareabruptly changing channels, 293, 293–294ADF7020 ISM band receiver, 286, 286architecture, 284–287baseband controller, 288DAPC MAC controller, 289–290, 290examples, 290–291, 293–296experimental results, 290–291fast uptake, 293, 294, 295–296four nodes, 293, 295–296, 295–296frame format, 287–288, 288fundamentals, 282–283generation-4 smart sensor node, 285,285–286idle mode, 288limitations, 286operation modes, 288path loss effect, 290–291, 290–291radio frequency setup, 287receive mode, 288RSSI readings, 288–289, 289slowly varying interference, 291, 292, 293slow uptake, 293, 293–294software architecture, 287, 287–290transmit mode, 288wireless networking test platform,284–285, 285