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An issue of considerable importance, involves the problem of how to simultaneously allocate a fixed input resources and set targets among a set of competing entities in an equitable way. Based on data envelopment analysis (DEA), the current paper proposes a new method for simultaneously allocating fixed input resources and setting targets to all decision making units (DMUs), in such a way that all...
This paper analysis the current situation of instant messaging (IM) server and introduces network's load balancing which can satisfied the situation of high-capacity and concurrency. Then it summarizes some useful technologies applied in server-side, such as completion port programming, EPOLL, thread-pool and P2P, and further brings forward some prospects.
As the complexity of under the condition of large-scaled resource-constrained multi-project duration optimization problems, it is difficult to give its analysis solution. With the network technology in this paper, taking the minimum number of the multi-project weighted duration as the goal, then establish a mathematical model for the optimization problem. In view of the basic cellular automaton topological...
The shadow price is an important methodology of allocating resources. However, the definition approach of the shadow price limits its application, which is often overlooked. If taking the total revenue function (TRF) of resource as a piecewise linear function, shadow prices can be determined by TRF's direction derivative. This method can not only get the shadow prices of uni-resource in different...
In order to balance power usage in heterogeneous sensor networks, the LBGC (Load balancing group clustering) strategy is proposed based on the clustering model. The LBGC protocol periodically selects cluster heads and implements dynamic route calculation according to the condition of energy distributing of network, which could make full use of the heterogeneous energy to realize load balance. Simulation...
Given the generally low quality of Production Development schedule baseline definition, an evaluation method of project schedule risk quantification based on Monte Carlo simulation under the conditions of resource constraints is proposed. Firstly, considering the resource constraints on the progress, an activity duration sampling method under resource constraints is proposed. Secondly, to study the...
This paper discussed the, meaning and related techniques of constructing the high-performance WEB sites for the self-help service system, for the sake of advance usability and dependability of the self-help service system, design the project that carrying out gather-group technique of servers and load-balanced technique in system, it is mostly considered the complexion of the difference construct...
There are some problems in rescue scheduling for major hazards with resource scheduling algorithm, in which time and resource are limited. In this paper, on the basis of the situation above, we present a new fire resource scheduling model on the ground of major hazards, where time limitation of major hazards and actual situation of fire resource can be taken into account on all sides. Thus, in line...
The paper establishes the evaluation index system of resource allocation in S&T. The method of DEA is adopted here to evaluate not only the technical efficiency of fiscal input in S&T in different regions and economic growth but the co-efficiency of the technique and the scale on the basis of the data in 2006 of the fiscal input in S&T in 31 regions and the economic growth.
This article focuses on the performance measurement of non-for-profit organizations. Most of the existing researches just copy the method for the for-profit organizations performance measurement and apply to the non-for-profit organizations. In this article, I find out that there no core performance measures in the non-for-profit organizations which make the core-measurement, the method of for-profit...
Computational Grid is a distributed computing paradigm that provides huge computational power for the large scale distributed application. One of the challenging issues in Grid Scheduling is dynamically choosing the best resource, by exploiting the topology and load information present at the time of scheduling. Here topology represents the delay or elapse time to reach the resource. In the proposed...
This paper addresses the optimization of resource allocation based on Decode and Forward (DF) or Amplify and Forward (AF) relaying techniques for packet access Orthogonal Frequency Division Multiple Access (OFDMA) networks. A power allocation quasi-optimal solution with a low complexity has been proposed for the two forwarding techniques. To illustrate theirs performances, a selection of numerical...
To improve the efficiency and the topology mismatch problem of P2P overlay network, a new method of topology construction, CLSP2P, was introduced. The topology construction of CLSP2P not only consideration the physical location of nodes, but also consideration the semantic information of nodes: Nodes in CLSP2P were first organized as autonomous domain based on their physical location, then the nodes...
This work introduces the novel idea of using a bag of facial soft biometrics for person verification and identification. The novel tool inherits the non-intrusiveness and computational efficiency of soft biometrics, which allow for fast and enrolment-free biometric analysis, even in the absence of consent and cooperation of the surveillance subject. In conjunction with the proposed system design and...
Take a research in depth on the modeling problem of service path selection based on SON. Firstly, the optimal model is built with the optimal goal of balanced loading and with the functional constraints of users for composed service and multi-QoS constraints. Then the layered method and improved Ant algorithm are adopted to solve this problem. Finally, a simulated emulation is made to the algorithm,...
In view of the new feature after introducing the relay nodes (RNs) into the conventional cellular networks, a novel soft frequency reuse (SFR)-based inter-cell interference coordination (ICIC) scheme is proposed in the relay enhanced cellular networks. On the basis of original ICIC scheme for conventional cellular network, RNs in the proposed SFR scheme reuses part of neighboring cell-edge bands to...
Interference mitigation and adaptive multi-user resource allocation are among the most promising technological breakthroughs that should improve capacity of future broadband wireless communications. In a multi-cell scenario, where co-channel interference is the performance limiting factor, discrete-rate resource allocation algorithms, selecting those channels with best Signal-to-Interference and Noise-Ratio...
Inter-cell interference is a major problem in multi-cell OFDMA systems and can severely degrade the system throughput, particularly for cell-edge users. An efficient technique to mitigate inter-cell interference (ICI), is interference coordination that allocates certain resources among users in different cells. In this paper, we propose a novel and distributed algorithm in order to mitigate the inter-cell...
In order to reduce MAP overhead for periodic small-sized services such as voice over IP (VoIP) service, a persistent scheduling scheme has been proposed in IEEE 802.16e/m. Although this persistent scheduling scheme is designed for periodic services, we propose to adopt the persistent scheduling for non-periodic real-time services with small-sized packets by considering the advantage of MAP overhead...
This paper considers the use of predefined frequency-domain power profiles in downlink LTE-A aiming at making interference predictable across the Physical Resource Blocks, to be combined with fair resource allocation. In particular, the power profile structure is defined depending on the position of the users and fairness-oriented scheduling strategies are considered. Evaluations of the throughput...
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