基于IEEE 802.16j的无线中继网络终端切换

radional network coverage and the signal strength of end users near the edge are limited by Point to Multi-Point(PMP) celluare structure. And the cost of solution by deployment of new basestaions would be too high to be feasible. Therefore, wireless relay technology has attracted high attention worldwide from academic area for it is a strong complement and enhancement to traditional Point to Multi-Point cellular network structure and could provide larger network coverage and enhanced capacity with low cost and little technical modification. IEEE 80216j standard which adds wireless relay technology to IEEE 802.16e standard is under research and development. This paper firstly introduces some basis concepts like transparent and nontransparent relay in multi-hop wireless network based on IEEE 802.16j standard. Then, details regarding to mobile station handover procedures in different operation modes of relay network are given.