On regulations for 5G: Micro licensing for locally operated networks

Future 5G networks aim at providing new high-quality wireless services to meet stringent and case-specific needs of various vertical sectors beyond traditional mobile broadband offerings. 5G is expected to disrupt the mobile communication business ecosystem and open the market to drastically new sharing based network operational models. 5G technical features of network slicing and small cell deployments in higher carrier frequencies will lower the investment barrier for new entrants to deploy local radio access networks and offer vertical specific services in specific areas and allow them lease the remaining required infrastructure on demand from mobile network operators (MNO) or infrastructure vendors. To realize the full vision of 5G to benefit the society and promote competition, innovation and emergence of new services when the 5G end-to-end network spans across different stakeholders administrative domains, the existing regulations governing the mobile communication business ecosystem are being refined. This paper provides a tutorial overview on how 5G innovations impact mobile communications and reviews the regulatory elements relevant to 5G development for locally deployed networks. This paper expands the recent micro licensing model for local spectrum authorization in future 5G systems and provides guidelines for the development of the key micro licensing elements. This local micro licensing model can open the mobile market by allowing different stakeholders to deploy local small cell networks with locally issued spectrum licenses ensuring pre-defined quality guarantees for the vertical sectors’ case specific needs.     

ERP在电力企业应用中存在的问题及解决方法

介绍了河北省电力公司在实施国家电网公司信息化建设工程（SG186工程）中构筑企业级信息集成平台ERP系统时遇到的如何同正在运行的各专业应用程序的历史数据相衔接、如何实现管理模式的转变、如何实现对现有管理体系及业务流程的优化、如何应对管理变革带来的调整、如何实现网络安全、如何确保ERP系统项目后期建设、运行维护及应用工作顺利开展等实际问题,并给出阵解决这些实际问题的方法。ERP系统的实施加强了河北省电力公司系统中不同业务流程的横向集成,理顺了各业务节点间的衔接关系,优化了各类经济资源的纵向部署和集约化管控能力。     

By What Criteria Do We Evaluate Accounting? Some Thoughts on Economic Welfare and the Archival Literature

The economic role of an accounting regime is to increase welfare through its effects—in conjunction with complementary institutions—on firm and household behavior. I review three major streams of the archival literature (real effects; price effects, including value relevance; and costly contracting), in terms of what they can and cannot reveal as proxies for welfare effects. One conclusion is that the partial correlations and average effects that predominate in this literature have provided valuable insights into the role of accounting in the economy, but provide limited and misleading proxies for welfare effects. A major concern is that teachers, students, and researchers—indeed, regulators and standard setters—raised on this literature could lose sight of, and underestimate, the fundamental contribution of accounting to aggregate welfare.     

Information Complementarities and the Dynamics of Transparency Shock Spillovers

We show that information complementarities play an important role in the spillover of transparency shocks. We exploit the revelation of financial misconduct by S&P 500 firms, and in a “Stacked Difference-in-Differences” design, find that the implied cost of capital increases for “close” industry peers of the fraudulent firms relative to “distant” industry peers. The spillover effect is particularly strong when the close peers and the fraudulent firm share common analyst coverage and common institutional ownership, which have been shown to be powerful proxies for fundamental linkages and information complementarities. We provide evidence that increase in the cost of capital of peer firms is due, at least in part, to “beta shocks.” Disclosure by close peers—especially those with co-coverage and co-ownership links—also increases following fraud revelation. Although disclosure remains high in the following years, the cost of equity starts to decrease.     

区域科技基础条件平台构建研究

区域科技基础条件平台的构建,可以更好的发挥公共科技服务在区域自主创新和科技进步中的作用,有利于减少科技资源布局分散和重复建设等问题,将为区域主导产业的发展起到极大的促进作用,可以确保产业在全国同行业中处于领先地位。本文在解析了区域科技基础条件平台建设影响因素的基础上,分析区域科技基础条件平台构建的目标任务和重点工作内容,并探讨相关的保障措施。     

信息技术对财务管理的影响

信息技术的广泛应用为财务管理职能的发挥提供了理想的平台,特别是信息技术的日趋成熟,为财务管理提供了更多解决问题的途径,扩展了财务管理手段。现就其信息技术对财务管理的影响进行简要分析。     

一种基于LSB的改进信息隐藏算法及实现

传统的LSB算法是将私密信息以二进制的形式嵌入到载体像素值的最低有效位,这样对图像的质量负面影响可以降到最小。本文提出了一种将过滤技术与LSB算法相结合的信息隐藏算法。利用过滤技术增强图片质量,利用LSB算法进行私密信息的嵌入。改进型的LSB算法比原算法具有更高信息存储量以及更高信息安全性等优点。     

飞机维修工作中信息化管理的重要性

近年来,信息技术迅速发展,各行各业的信息化程度不断提高。我国民用航空维修业正经受加入WTO后的考验,新知识,新技术,新理论层出不穷。加强航空维修工作中信息化管理,会直接影响飞机的维修质量、成本、效率,保证飞行安全。因此,为适应现代化管理的需要,在原有管理模式的基础上,建立管理信息系统,是维修活动中的信息管理问题得到改善和解决或提高的有效途径。     

基础地理信息要素数据字典查询系统的研究与开发

研究了基础地理信息要素数据的数据结构,利用VB和ACCESS数据库作为开发工具,设计并开发了基础地理信息要素数据字典查询系统,实现了基础地理信息要素快速、准确的查询。     

B/S模式下物流仓储管理系统设计与实现

针对企业物流仓储管理系统的功能需求出发,在B/S模式下对物流仓储管理系统的整体框架、功能结构和数据库模块进行设计,然后对系统模块功能的实现进行研究,最后提出物流仓储管理系统的测试和维护途径。