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This paper proposes a new dynamic watermarking scheme during the Design-for-Testability (DfT) stage. The extra design constraints due to watermark are imposed on the connection styles between some scan cells. As the scan chain order is maintained, no routing overhead is caused. It thus overcomes the weakness of the watermarking schemes based on scan chain reordering, which usually incur unpredicted...
BGP dictates routing between autonomous systems with rich policy mechanisms in today's Internet. Operators translate high-level policy objectives into low-level router configurations without a comprehensive understanding of the actual effects on the network behavior, leaving the routing management an error-prone and time-consuming procedure. A fundamental question is: how to verify the intended routing...
Reliability and real-time requirements bring new challenges to the energy-constrained wireless sensor networks, especially to the industrial wireless sensor networks. Meanwhile, the capacity of wireless sensor networks can be substantially increased by operating on multiple nonoverlapping channels. In this context, new routing, scheduling, and power control algorithms are required to achieve reliable...
In the following paper, we study the tradeoff between network utility and network lifetime for energy-constrained wireless sensor networks (WSNs). By introducing a parameter r, we combine these two objectives into a single weighted objective, and consider rate control and routing in this tradeoff framework simultaneously. First, using the dual decomposition method, we decompose the tradeoff model...
In the following paper, we study the tradeoff between network lifetime and network utility for energy-constrained wireless sensor networks (WSNs) with the real-time requirement. By introducing a parameter r, we combine these two objectives into a single weighted objective, and consider rate control and routing in this tradeoff framework simultaneously. For real-time requirement, we set up real-time...
This paper describes a TDMA channel scheduling algorithm in WIA-PA network under the Blacklist technology (Blacklist-TCS). The main objective of this channel scheduling algorithm is to reduce the computation time while maximizing the utilization of the network resources, thereby improving the network throughput, reducing the transmission delay, and decreasing the number of retry. In this paper, we...
We consider the problem of finding an optimal and adaptive timeslot scheduling algorithm for long cycle data in WIA-PA network (ATS-LCD), which focuses on hybrid mesh and star network topology and a feedback mechanism that can significantly reduce collisions among clusters. OPNET simulation results demonstrate that ATS-LCD significantly outperforms TDMA-over-CDMA and CSMA MAC protocols in terms of...
Border gateway protocol (BGP) is the de facto inter-domain routing protocol nowadays, and its behavior greatly impacts the end-to-end Internet performance. Various work has been done on revealing the cause and location of BGP routing instability, and they are helpful for operators to recover their networks from routing disasters. However, current approaches have the "magic numbers" problem...
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