Advertisement and shopping guide system for large supermarkets based on wireless sensor network

The design and implementation of a new intelligent advertisement and shopping guide system for large supermarkets is presented in the article. The wireless touch screen integrated in the shopping cart can automatically broadcast the commodities´ advertisements when the cart is moving in the large supermarket. And consumers can easily search the commodity they need with the help of electronic guide service. Thus, it overcomes lots of disadvantages in the traditional advertisement and shopping guide system for supermarkets, such as inefficient management of commodities and inconvenient shopping. In this article, the detailed analysis of the implementation of the system is also described, including the hardware design of the system node, the implementation of routing protocol and localization of mobile nodes.