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Optimal Multicast Capacity and DelayTradeoffs in MANETs
May 2014 (vol. 13 no. 5)
pp. 1104-1117
Yu Cheng, Department of Electrical and Computer Engineering, Illinois Institute of Technology, Illinois,
In this paper, we give a global perspective of multicast capacity and delay analysis in Mobile Ad Hoc Networks (MANETs). Specifically, we consider four node mobility models: (1) two-dimensional i.i.d. mobility, (2) two-dimensional hybrid random walk, (3) one-dimensional i.i.d. mobility, and (4) one-dimensional hybrid random walk. Two mobility time-scales are investigated in this paper: (i) fast mobility where node mobility is at the same time-scale as data transmissions and (ii) slow mobility where node mobility is assumed to occur at a much slower time-scale than data transmissions. Given a delay constraint $D$, we first characterize the optimal multicast capacity for each of the eight types of mobility models, and then we develop a scheme that can achieve a capacity-delay tradeoff close to the upper bound up to a logarithmic factor. In addition, we also study heterogeneous networks with infrastructure support.
Index Terms:
Relays,Base stations,Mobile computing,Delay,Upper bound,Mobile nodes,heterogeneous networks,Multicast capacity and delay tradeoffs,Mobile ad hoc networks (MANETs),independent and identically distributed (i.i.d.) mobility models,hybrid random walk mobility models,capacity achieving schemes
Yu Cheng, "Optimal Multicast Capacity and DelayTradeoffs in MANETs," IEEE Transactions on Mobile Computing, vol. 13, no. 5, pp. 1104-1117, May 2014, doi:10.1109/TMC.2013.16
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