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H.264/AVC scalable video coding (SVC) is an upto-date video compression standard. This paper deals with the issue of transmitting H.264 scalable video bitstreams over wireless fading channels. The contribution is twofold: Firstly, to exploit the importance of prioritized video packets in different temporal layer, quality layer and group of pictures (GOP), a simple and accurate performance metric,...
In this paper we consider the joint resources allocation in multiple channels single non-regenerative (AF) relay systems. Firstly, the optimization problem of maximizing system capacity under joint power constraint at source and relay is formulated. We adopt Lagrangian dual method to derive the optimal centralized algorithm. Through the analysis it is proven an efficient and computational tractable...
Power allocation, relay selection and subchannel pairing are three important issues in OFDM based relay wireless systems to improve the system performance and reliability. In this paper, we will propose a joint power allocation, relay selection and subchannel pairing algorithm. The goal of the algorithm is to maximize the system capacity under the constraint of overall power at both source and relay...
This paper proposes a novel Differentiated Domain Protection (DDP) algorithm to address survivability in multi-domain optical networks. In order to ensure the principle of transparent management in multi-optical domains, DDP abstracts the multi-domain optical networks to Virtual Topology Graph (VTG) to solve the inter-domain routing. In order to satisfy the survivable requirements of different domains,...
In this paper, we propose a new algorithm, enhanced differentiated services protection (EDSP), to satisfy the multiple services grades under multi-link failures in WDM optical networks. We consider three services grades, i.e., diamond grade, golden grade and economy grade. For demand with economy grade, EDSP only computes a primary path and does not consider protection. For demand with Golden grade,...
This paper proposes a new survivable algorithm, enhanced shared-path protection (ESPP), to tolerate multi-link failures in WDM optical networks. In ESPP, we consider the load balancing to reduce the blocking probability, use resources sharing to save backup resources, and perform recovery escalation to carry the affected traffic. Compared with the conventional algorithm, ESPP has better resource utilization...
Notice of Violation of IEEE Publication Principles"Large-scale Multi-robot Task Allocation Based on Ant Colony Algorithm"by Yu Zhang, Shuhua Liu, Jie Liu, Chenmu Yu in the Proceedings of the Chinese Control and Decision Conference, July 2008 After careful and considered review of the content and authorship of this paper by a duly constituted expert committee, this paper has been found to...
With the regard of trailer scheduling problem, the hybrid flow shop problem with blocking (HFS-B) was introduced to analyze the flow of container with different attributes (import container, export container) in order to describe and optimize trailer scheduling problem. The mathematics model that was described using HFS-B with attribute for trailer scheduling problem was setup. The four section chromosomes...
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