As a result, we can design inter-cells clustering algorithm and intra-cell routing algorithm seperately,, so the protocols of cooperative relay mechanism is simplified and the delay is shorted. According to the characteristics of VAA inter-cells and intra-cell communication, proposes a cooperative relay mechanism based on WPAN/WLAN techniques.Secondly, this cheap shoes blog 2010 dissertation proposes a clustering algorithm suitable for VAA inter-cells clustering, which called RDLN clustering algorithm on the base of WSN's clustering algorithm. Analyses wedding dresses 2010 and simulates the survival terminals ratio of the network and performance Evaluation, Proposes system capacity coefficient, analyses and simulates factors affecting the system capacity coefficient, such as the number energy rank, the network size, clustering radius, the maximal numbers in one blog wedding dresses 2010 cell, the maximal distance between clustering heads.Thirdly, this dissertation also proposes specific relay mechanism. Analyses and simulates the performance repeat-code, polo shirts shop random code, cheap jeans shop code, proposes a way to apply distributed STBC to our novel cooperative relay mechanism. Analyses、simulates and compares the performance of system delay under our novel cooperative relay mechanism and the performance of traditional cooperative relay mechanism,Finally, this dissertation studys other techniques that can enhance the performance of cooperative relay, such as terminal selection, Power allocation; proposes the possible method of their application.
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