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Code Division Multiple Access Mobile Ad hoc NETworks (CDMA-MANETs) are envisioned to be the next generation networking architecture for networking military platforms in a battlefield. In this paper, the authors consider a CDMA ad hoc network consisting of multiple Unmanned Aerial Vehicles (UAVs). They propose a token-based connectivity update scheme to solve the code collision problem in assigning code channels as well as the network link update problem for the CDMA UAV ad hoc network. Their proposed scheme uses a token message, which continuously circulates around the network in a non-predetermined order, to conduct assignment of code channels for each UAV.
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