A charging and rewarding scheme for packet forwarding in multi-hop cellular networks

  • Authors:
  • Naouel Ben Salem;Levente Buttyán;Jean-Pierre Hubaux;Markus Jakobsson

  • Affiliations:
  • Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland;Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland;Swiss Federal Institute of Technology Lausanne (EPFL), Switzerland;RSA Laboratories, Bedford, MA

  • Venue:
  • Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
  • Year:
  • 2003

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Abstract

In multi-hop cellular networks, data packets have to be relayed hop by hop from a given mobile station to a base station and vice-versa. This means that the mobile stations must accept to forward information for the benefit of other stations. In this paper, we propose an incentive mechanism that is based on a charging/rewarding scheme and that makes collaboration rational for selfish nodes. We base our solution on symmetric cryptography to cope with the limited resources of the mobile stations. We provide a set of protocols and study their robustness with respect to various attacks. By leveraging on the relative stability of the routes, our solution leads to a very moderate overhead.