最新刊期
      卷 28 ， 期 8 ， 2012

        Operational Innovation Forum

      • Specific Bias Design in Cell Range Expansion for Picocell Network

        Le Men, Tan Wang
        Vol. 28, Issue 8, Pages: 131-137(2012) DOI: 10.3969/j.issn.1000-0801.2012.08.023
        摘要：As an important part of the heterogeneous deployments,picocells are flexible to be deployed,easy to be planned and better for outdoor coverage.Due to the coexistence of macro and micro base stations,interference environment is complex,but also brought new challenges to the system radio resource management.This paper studies the cell selection for picocell networks.Based on cell range extension,a specific bias for each picocell is designed,according to its interference environment,which can effectively improve the cell average and cell edge spectrum efficiency,compared with those of fixed bias value.  
        关键词：picocell network;cell selection;cell range extension;bias value   
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      • Xiaoming He, Hong Tang, Zhihua Liu, Yongbing Fan
        Vol. 28, Issue 8, Pages: 138-144(2012) DOI: 10.3969/j.issn.1000-0801.2012.08.024
        摘要：The problems existing in the current VPLS services and new requirements for ethernet VPN are summarized,and the technical characteristics of E-VPN and PBB E-VPN newly presented by IETF are introduced and analyzed.Furthermore,integrated with the actual application requirements of the cloud data center interconnection,the applications of ethernet VPN in cloud data center interconnection are investigated.  
        关键词：ethernet VPN;E-VPN;PBB E-VPN;cloud data center interconnection   
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      • Creating Intelligent Pipeline for Telecom Operators Based on Flow Operation

        Kefei Liu
        Vol. 28, Issue 8, Pages: 145-149(2012) DOI: 10.3969/j.issn.1000-0801.2012.08.025
        摘要：After restructuring of telecom operators,with market competition increasingly fierce,price war endless,the value of telecommunications continuing to fall,telecommunications operators begin transition from voice operation to flow operation.The paper pointed out flow operation is the key to competitive game and improving the value of the operators.It's imperative to promote the flow by intelligent pipeline business development.Finally,the paper proposed to strengthen the construction of basic transmission facilities,forge flow analysis and operational capabilities for customers' needs,innovate business models and so on to create intelligent pipeline for telecom operators based on flow operation.  
        关键词：telecom operator;intelligent pipeline;flow operation   
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      • Wensheng Yao, Jun Li, Heliang Ye, Ning Wan
        Vol. 28, Issue 8, Pages: 150-155(2012) DOI: 10.3969/j.issn.1000-0801.2012.08.026
        摘要：This paper describes the principle and application of key technologies of IaaS disaster recovery scene,explores how to build the disaster recovery system of the IaaS resource pool with these key technologies,and explores the basic principles should followed to realizing IaaS resource pool disaster recovery system.  
        关键词：disaster recovery;IaaS resource pool;key technology;local backup and recovery;disaster recovery policy   
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