• Self-similar non-clustered planar graphs as models for complex networks 

      Comellas Padró, Francesc de Paula; Zhang, Zhongzhi; Chen, Lichao (2008-10-10)
      Article
      Accés obert
      In this paper we introduce a family of planar, modular and self-similar graphs which have small-world and scale-free properties. The main parameters of this family are comparable to those of networks associated with complex ...
    • Token-MAC : a fair MAC protocol for passive RFID systems 

      Chen, Lichao; Demirkol, Ilker Seyfettin; Heinzelman, W. (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Passive RFID systems typically utilize contention-based MAC protocols, such as the standard C1G2 protocol. While these protocols are easy to implement, they suffer from unfairness and low throughput. This paper proposes a ...