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A power-saving scheduling algorithm for mixed multicast and unicast traffic in MBSFN

A power-saving scheduling algorithm for mixed multicast and ...

引用

Computing, Communications and Applications Conference (ComComAp)

作者： Chaoan Wu Xuekang Sun Tiankui Zhang School of Network Education Beijing University of Posts and Telecommunications Beijing China Beijing Key Laboratory of Network System Architecture and Convergence Beijing University of Posts and Telecommunications Beijing China

In this paper, A power-saving scheduling algorithm (PSA) for mixed multicast and unicast traffic is proposed in multicast and broadcast single frequency network (MBSFN). This algorithm is designed on the purpose of reducing the terminal's energy consumption and improving system capacity. By MBSFN area scheduling scheme the throughput of multicast users is increased. And the users' energy consumption is reduced by decreasing the transition times between sleeping and active status in the use of discontinuous reception (DRX) mechanism which is applied for terminal's battery power saving in LTE. The simulation results show that the proposed strategy gains an improvement both in system throughput and the terminal's energy efficiency.

关键词： Resource management Unicast Throughput Scheduling Switches Energy consumption Energy efficiency

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A Game Theory-Based Asymmetric Multi-channel Selection Algorithm in Wireless Ad Hoc networks

A Game Theory-Based Asymmetric Multi-channel Selection Algor...

引用

2012 IEEE 14th International Conference on Communication Technology

作者： Jingrong Wen Muqing Wu Lv Bo Wang Dongyang Qinpeng Zhang Beijing Key Laboratory of Network System Architecture and Convergence Beijing University of Posts and Telecommunications Huadian Zhangqiu Electric Co. Ltd

ISBN: (纸本)9781467321006

While multi-channel allocation has been studied in many networks by different theories,asymmetric channel characteristics are seldom *** paper considers the channel selection problem in wireless Ad hoc networks from the game-theoretic viewpoint,which is based on the assumption that quality discrepancy exists between the candidate channels.A simple saturation throughput model is presented to quantify to the utility of each *** mixed Nash Equilibrium (NE) model is used to analyze the channel selection,and a mixed strategy algorithm is proposed to maximize the throughput and also improve the fairness of channel *** results confirm that the proposed mixed game model is effective,and the mixed strategy can improve the network throughput greatly.

关键词： Ad hoc networks channel selection game theory Nash Equilibrium

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A self-adaptive energy efficient transmission mechanism in relay based cellular network

A self-adaptive energy efficient transmission mechanism in r...

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2012 International Symposium on Communications and Information Technologies, ISCIT 2012

作者： Kang, Tian Sun, Xuekang Zhu, Yutao Zhang, Tiankui School of Network Education Beijing University of Posts and Telecommunications Beijing China Beijing Key Laboratory of Network System Architecture and Convergence Beijing University of Posts and Telecommunications Beijing China

ISBN: (纸本)9781467311571

In cellular networks, multiple relay nodes can be deployed in one cell, so there are three transmission modes, direct transmission (DT), two-hop transmission (TT) and cooperative transmission (CT). Combining with the node sleeping method for power saving, different transmission modes will have different energy efficiency for different user equipment (UE). In this paper, a self-adaptive energy efficient transmission (SEET) mechanism is proposed, in which energy efficient relay selection is taken into account to maximize the area energy efficiency (AEE) of each transmission mode. For each UE, it adaptively adjusts the current transmission mode for AEE maximization. The simulation results show that the proposed SEET mechanism has the maximum AEE compared to the mechanisms of only one mode. © 2012 IEEE.

关键词： Energy efficiency

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A CROSS-PLATFORM CONTEXT-AWARE APPLICATION DEVELOPING FRAMEWORK FOR MOBILE TERMINALS

A CROSS-PLATFORM CONTEXT-AWARE APPLICATION DEVELOPING FRAMEW...

引用

2012 IEEE 2nd International Conference on Cloud Computing and Intelligence systems

作者： Pingyi Wang Jingling Zhao Qing Liao School of Computer Science Beijing University of Posts and Telecommunications Beijing Key Laboratory of Network System Architecture and Convergence Beijing University of Posts and Telecommunications

The increasing number of mobile terminals facilitates the development of context-aware applications. However, developing a context aware application is still a complex work, which involves mechanisms of context acquisition and context processing. In order to release the developer’s burden, many context aware frameworks emerged. But none of them yet has sufficient consideration of mobile environment characteristics. Besides, restricted to the mobile platform, the developed application could not achieve cross-platform deployment. A cross-platform context-aware application developing framework for mobile terminals is proposed in this paper. This framework could shield system differences, centralize context acquisition, context modeling, context storing, context interpretation and context aggregation for many context aware applications on the same terminal. Applying the framework, data of same sensor would not be duplicated processed by many context aware applications. Context aware application would be built faster. And mobile terminal resources would be used more efficiently.

关键词： Context-awareness Cross-platform Mobile terminal Framework

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THE PACKET SIZE DISTRIBUTION PATTERNS OF THE TYPICAL INTERNET APPLICATIONS

THE PACKET SIZE DISTRIBUTION PATTERNS OF THE TYPICAL INTERNE...

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The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Fang Liu Xiaolong Wu Weimin Li Xiaonan Liu Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication Engineering Beijing University of Posts and Telecommunications Beijing 100876 China

The identification and classification of network traffic is an important prerequisite for network management,traffic engineering and other *** summarize the packet size distribution patterns of the lnternet application traffic,we collected flow record data from the intemet and analyzed the packet size distribution patterns of typical *** the packet size distribution patterns of single application servers of typical applications,we found the differences of the packet size distribution in different *** we clustered and analyzed different packet size distribution patterns for typical applications,and found that a typical Internet application could contain more than one packet size distribution ***,from the characteristics of these applications,we explain the causes of these distribution patterns.

关键词： Packet size distribution pattern Typical application Cluster

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A REGULAR EXPRESSION GROUPING ALGORITHM BASED ON PARTITIONING METHOD

A REGULAR EXPRESSION GROUPING ALGORITHM BASED ON PARTITIONIN...

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The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Gang He Yang Wang Xiaochun Wu Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication EngineeringBeijing University of Posts and Telecommunications Beijing 100876 China

Owing to the strong character expressive power,regular expressions gradually replace explicit string and become the first choice of patterns describing *** the current network security products,huge amount of patterns lead to dramatic increase of the DFA storage space and affect the efficiency of *** paper presents a regular expression grouping algorithm based on partitioning *** reduces the total number of DFA states and improves the matching performance which is also suitable for multi-core processor.

关键词： Regular expression DFA Partitioning method Multi-core processor

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I-HASH MULTIPLE VARIOUS POSITION PATTERN MATCHING ALGORITHM IN INTERNET APPLICATIONIDENTIFICATION

I-HASH MULTIPLE VARIOUS POSITION PATTERN MATCHING ALGORITHM ...

引用

The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Gang He Bo Sun Yang Liu Xiaochun Wu Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication Engineering Beijing University of Posts and Telecommunications Beijing 100876 China

The efficiency of multiple pattern matching is the core technology of Deep Packet Inspection and it is important to the real word of internet traffic *** this research we propose a new multiple pattern matching technique for the fixed pattern in the packet load,which is called I-HASH multiple various position pattern matching *** is used to improve the matching speed through the *** algorithm is implemented in our experiments and compared with the existing *** results demonstrate that our algorithm is much more effective than STRCMP algorithm,especially when the number of patterns is quiet *** will be extraordinarily helpful in the areas of Internet application identification system and network intrusion detection system and so on,which contain huge amounts of fixed patterns.

关键词： DPI Multiple pattern matching Internet application identification Iterated HASH algorithm

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RESEARCH OF DOMAIN NAME MAPPED IP-ADDRESS DISTRIBUTION ON THE INTERNET

RESEARCH OF DOMAIN NAME MAPPED IP-ADDRESS DISTRIBUTION ON TH...

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The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Cuicui Wang Weimin Li Fang Liu Zhenming Lei Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication EngineeringBeijing University of Posts and Telecommunications Beijing 100876 China

As the explosion of the Internet traffic,many web sites deploy more servers to support high request rates to web *** Domain Name system (DNS) servers dispatch the client requests among the web servers through the domain name to IP-address mapping mechanism and load balancing ***,DNS traffic analysis has important implications for our research on web server IP-address distribution of the *** this paper,we designed and implemented DTQS system (DNS Traffic Query system) which is used to analyze DNS *** on the statistical results of the system,this paper presents the distribution of websites servers scale *** further,according to the mapping IP-address variation of some domain names,we classify the domain names of which mapping IP-address changed into two categories:CINDN (Consistent-IP-Number Domain Name) and VINDN (Variable-IP-Number Domain Name) and study their mapping lP-address variation laws respectively.

关键词： DNS traffic analysis Domain name system IP-address distribution Load balancing

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A NESTED GENETIC ALGORITHM FOR TOPOLOGYOPTIMIZATION IN LRPON

A NESTED GENETIC ALGORITHM FOR TOPOLOGYOPTIMIZATION IN LRPON

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The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Xiaoxu Liu Rentao Gu Yuefeng Ji Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication EngineeringBeijing University of Posts and Telecommunications Beijing 100876 China

This paper researches and formulates a topology optimization model in long-reach passive optical network (LRPON).The objective is to minimize the deployment cost with certain physical constraints.A nested genetic algorithm (NGA) is proposed to solve the topology optimization *** NGA consists of two loops,and the outer-loop GA (OLG) is a simple genetic algorithm (SGA) to solve the location problem of splitters,while the inner-loop GA (ILG) is a partheno-genetic algorithm (PGA) to complete the construction of the spanning ***,three scenarios with different network scales are simulated to examine the efficiency of the proposed algorithm.

关键词： Nested genetic algorithm LRPON Topology optimization

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network TRAFFIC ON-LINE CLASSIFICATION USING DECISION TREE FAST PARALLEL PROCESSING STRATEGY

NETWORK TRAFFIC ON-LINE CLASSIFICATION USING DECISION TREE F...

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The 3rd IEEE International Conference on network Infrastructure and Digital Content (2012年第三届IEEE网络基础设施与数字内容国际会议(IEEE IC-NIDC2012))

作者： Yanhong Xu Rentao Gu Yuefeng Ji Beijing Key Laboratory of Network System Architecture and Convergence School of Information and Communication EngineeringBeijing University of Posts and Telecommunications Beijing 100876 China

At present,most of the current traffic classification technology is adopted by the means of offiine classification,unable to realize real-time online classification.A novel approach for network traffic online classification is proposed in this paper.A strategy of converting the C4.5 decision tree data structure to parallel data structure called encoded data structure is *** encoded data structure is very easy for hardware realization,based on FPGA parallel and pipeline *** only needs two clock cycles to complete C4.5 decision tree search process without extra write and read *** results show that the throughput of the classification system can reach to 1 Gbit/s on the NetFPGA2.1.3 platform,and we expect that this design can be expanded to the NetFPGA-10G platform and the throughput can reach to 10Gbit/*** classification accuracy can reach to more than 97% if we choose the appropriate evaluation algorithm and search algorithm to obtain the effective features set.

关键词： Machine learning C4.5desicion tree Encoded data structure Parallel processing

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