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Manufacturing industries adapt ESI (Early Supplier Involvement) to provide new products in shorter time. High-levels collaboration between members of virtual enterprise has become essential for the most advanced competiveness. However, benefits of ESI do not offset difficulties inherent in managing project across organization. To address this need, a framework of Supplier involved Collaborative Project...
Data transmission in ad hoc networks involves interactions between medium access control (MAC)-layer protocols and data forwarding along network-layer paths. These interactions have been shown to have a significant impact on the performance of a system. This impact on multipath data transmission over multihop IEEE 802.11 MAC-based ad hoc networks is assessed; analysis is from a cross-layer perspective...
The fundamental medium access control mechanism in IEEE 802.11 wireless LANs (WLANs)-distributed coordination function (DCF) only supports the best-effort service and does not support quality-of-service (QoS) differentiation. Enhanced distributed channel access (EDCA) in IEEE 802.11e supports delay differentiation. A new approach, EDCA+ , is proposed to enhance QoS over WLANs. It simultaneously achieves...
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