Novel enabling technologies from physical layer to Medium Access Control (MAC) layer are proposed to provide energy efficient Radio-over-Fiber (RoF) Distributed
In Orthogonal Frequency Division Multiple Access (OFDMA) systems, such as Long Term Evolution (LTE) and so on, the resources used by each user are orthogonal, a
Security is a key problem for the development of Cloud Computing. A common service security architecture is a basic abstract to support security research work.
Nowadays,clear evaluation models and methods are lacking in classified protection of information system,which our country is making efforts to promote.The quant