METHOD FOR SEARCHING INFORMATION AND FILE BY PEER TO PEER PROCESS AT WIRELESS ENVIRONMENT AND MOBILE AD-HOC NETWORK USING GPS INFORMATION

摘要

Disclosed are a peer-to-peer information and file retrieval method in a wireless environment and a mobile ad hoc environment using GPS information. The present invention provides a method comprising: a first step of forming a cell group corresponding to positions of respective mobile nodes using GPS information; A second step of determining a rank of each mobile node by calculating mobility using current location information and previous location information of each mobile node existing in the cell group; A third step of selecting the mobile node having the lowest mobility as a cell leader; And a fourth step in which all mobile nodes existing in the cell group are shared through the cell reader, and information between neighboring other cell groups is shared by information exchange between cell leaders in each cell group. do. According to the present invention, it is possible to shorten the search time between mobile nodes in a wireless environment and a mobile ad hoc environment, and to enable peer-to-peer search in a wide area. Using efficient search algorithms also reduces the energy consumption of the mobile node's processes and reduces the bandwidth required for search.