A novel CAI for combining Ad hoc and TD-SCDMA network

For the potential gains in the capacity and the coverage of cellular network, a common air interface (CAI), including the smooth handover function, should be achieved with a single terminal by combining ad hoc network and TD-SCDMA. In this paper, we firstly introduce the frame structure and time slots allocation of TD-SCDMA. Secondly, a communication coexistent strategy that makes use of the idle slots in cellular communication is described. Then the paper proposes a new compatible CAI based on the conception of superframe. Later the corresponding communication process of the air interface is presented. Finally, several performance parameters of this system are analyzed, including the average number of success reservation nodes and the average access time delay. The analysis results indicate that the good performance can be achieved by this common air interface.