Quality of Service (QoS) refers to a set of rules or techniques that help the network administrators use the available

network resources optimally to manage the effects of congestion and to treat the applications according to their needs...

The current Internet can only provide the best-effort services. By growing the Internet and its applications, new services with different requirements are developed. The differentiated Services (Diffserv) [1-3] is a scalable ...

In this paper the performance and the capacity of

two-level asynchronous incoherent optical CDMA (OCDMA) systems

employing wrapped overlapping pulse position modulation

(WOPPM) and optical AND logic ...