Hybrid automatic repeat-request (HARQ) is critical to an IEEE 802.16e OFDMA network, as it can significantly improve the reliability of wireless link. However, as revealed by our...
Cross-Layer design has been the focus of several recent research efforts. Due to the highly variable nature of the links used in wireless communication systems and the resource-po...
Karim M. El Defrawy, Magda El Zarki, Mohamed M. Kh...
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...
Opportunistic user access scheduling enhances the capacity of wireless networks by exploiting the multi user diversity. When frame aggregation is used, opportunistic schemes are no...
In convergence telecommunication environment, Business Agility plays very important role in the OSS(Operation Support System) when telco provide new merged services to customer on ...
Young-Wook Woo, Daniel W. Hong, Seong-Il Kim, Byun...