网络话务控制原理及其应用初探

简要介绍了目前我国长话网的典型话务环境与话务特征，重点探讨了网管话务控制定义、目标、应用场合及启用话务控制原则、实施要素、分类，提出了对今后异常大话务环境下网络管理及网络安全的建议。     

固定网络软交换扁平化实施

介绍了湖北电信固网引入软交换设备后的长途话务网络结构,分析了现网存在的PSTN端口资源紧张、宽带域业务发展受限等问题,介绍了湖北电信实施固网软交换扁平化分流长途话务的步骤以及扁平化分流后长途话务信令、媒体路由情况,提出了分流中应关注的环节,为软交换扁平化分流进一步实施积累了经验。     

GSM双频网话务均衡探讨

本文以某县城联通双频网的话务均衡优化实际为例,从话务均衡的原则、方法、实现过程及效果验证四个方面,对双频网的话务均衡做了相关探讨和分析。     

可预知性突发话务优化保障思路的探讨

随着人们生活水平的不断提高,各种大型文化活动越来越多,网规网优人员会经常面临突发话务的情况。文章结合某地奥运火炬传递突发话务的优化保障,提出了一些应对突发话务的措施及细节问题,以确保突发话务时网络的安全、稳定。     

EWSD网络上的话务均衡方式分析

详细介绍了ＥＷＳＤ交换机的话务分担、ＳＫＩＰ话务均衡、ＴｒｕｎｋＧｒｏｕｐＣｌｕｓｅｒ话务均衡３种话务均衡方式，并对它们进行了比较分析，最后介绍了南宁本地网话务均衡方式的选用情况。     

GSM双频网话务均衡策略分析

本文从GSM双频网话务均衡策略出发,对GSM双频网话务均衡策略、参数设置、均衡方法等给与了详细的分析,对实际的话务均衡工作均有较好的指导意义.     

应用GSM排队功能缓解网络TCH拥塞

本文从GSM双频网话务均衡策略出发,对GSM双频网话务均衡策略、参数设置、均衡方法等给与了详细的分析,对实际的话务均衡工作均有较好的指导意义。     

网络话务控制原理及其应用初探

简要介绍了目前我国长话网的典型话务环境与话务特征,重点探讨了网管话务控制定义、目标、应用场合及启用话务控制原则、实施要素、分类,提出了对今后异常大话务环境下网络管理及网络安全的建议。     

WCDMA无线网络规划探讨

主要介绍了WCDMA无线网络规划的特点、流程和方法,重点分析了用现网话务预测话务分布和网络规划的结果配置基站信道板,实现了科学规划和合理设计,进而提高了网络投资效益.     

谈新形势下的话务管理

本文介绍我国话务管理的三个阶段以及黑龙江省固定网现阶段话务管理应采取的对策。     

应用流量管理技术在有线宽频网络中的应用

有线宽频网络运营商在网络运营中，会因为应用流量的不规范应用而对业务造成极大影响甚至带来损失，探讨把应用流量管理技术引进有线宽带网络，通过该技术对应用流量的智能识别、分类、控制等实现对网络流量的管理，进一步提高带宽资源的利用率。     

Adaptive QoS Management for IEEE 802.11 Future Wireless ISPs

Wireless Internet Service Providers (WISPs) are expected to be the new generation of access providers using the emerging IEEE 802.11 technology. Face to the high competition of providing network services, the WISP have to offer the best service to the users. For this purpose, the WISP networks' managers need to provide Quality of Service (QoS) with a minimum cost in their wireless networks. The current link layer IEEE 802.11b provides fair sharing of the radio resource with no service differentiation mechanism; similarly to the Internet best effort service. However, the ongoing standard IEEE 802.11e should implement a priority mechanism at the link layer to differentiate the users' traffic. In order to overcome the lack of differentiated mechanism in the current link layer IEEE 802.11b, hence controlling the utilization of the scarce radio resource, we propose in this article to deploy Diffserv architecture coupled with an adaptive provisioning of QoS to provide better services to the users with minimum WISP cost and improve the utilization of the radio resource. Compliant with the current and future IEEE 802.11 link layer, the proposed adaptive QoS provisioning mechanism reacts to the radio resource fluctuation and improves the number of accepted clients in the IEEE 802.11 wireless cells based on the WISP business policies. The network layer differentiation provided by the Diffserv architecture intends to control the concurrent access of the traffic to the scarce radio resources at the IP layer of the mobile hosts for the uplink traffic on one hand, and at the IP layer of the base stations for the downlink traffic on the other hand.     

异构无线网络基于业务特性的动态无线资源管理（英文）

The traffic with tidal phenomenon in Heterogeneous Wireless Networks(HWNs)has radically increased the complexity of radio resource management and its performance analysis.In this paper,a Simplified Dynamic Hierarchy Resource Management(SDHRM)algorithm exploiting the resources dynamically and intelligently is proposed with the consideration of tidal traffic.In network-level resource allocation,the proposed algorithm first adopts wavelet neural network to forecast the traffic of each sub-area and then allocates the resources to those sub-areas to maximise the network utility.In connection-level network selection,based on the above resource allocation and the pre-defined QoS requirement,three typical network selection policies are provided to assign traffic flow to the most appropriate network.Furthermore,based on multidimensional Markov model,we analyse the performance of SDHRM in HWNs with heavy tailed traffic.Numerical results show that our theoretical values coincide with the simulation results and the SDHRM can improve the resource utilization.     

GSM网络无线利用率提升思路研究

随着LTE网络发展,VoLTE话务持续迁转, GSM语音话务量和语音业务占比持续走低;同时,运营商在GSM 900M频段上陆续完成FDD和NB-IoT网络部署,900M频段出现GSM、FDD LTE、NB-IoT共存的局面,频率资源进一步紧张。本文研究了GSM网络无线利用率提升思路,通过实现GSM网络资源利用率有效提升,为现网载频压降及频率压缩提供空间,为后续网络平稳演进做好准备。     

高话务和高数据流量GPRS优化经验探讨

随着用户对数据业务的需求量越来越大,话音业务和数据业务对现网无线资源的竞争趋向激烈,如何做好在高话务和高数据流量时的GPRS网络优化工作是亟待解决的问题,本文主要讨论了合理分配高话务和高数据流量地区现网无线资源配置,积极试验和应用一系列新技术缓解资源竞争矛盾,摸索出维护和优化高话务和高数据流量地区GPRS网络的经验.     

网络流量丢包率预测模型

无线信道的网络流量的及时预测,是目前国内外研究的前沿课题。通过对实时网络流量的测量分析,提出了一种基于最小二乘法的多项式拟合网络流量丢包率预测模型。该模型根据当前获得的网络流量信息,对网络丢包率趋势进行预测,为无线网络下信号丢包率的预测供了可行的手段。实测丢包率与预测丢包率的对比分析表明提出的预测模型能很好的预测丢包率趋势。     

话务承载能力评估比较算法应用与拓展

在相关文献对蜂窝无线网络话务承载能力比较评估算法,以及基于测量统计的小区区权重向量算法、统计时分话务峰值算法等无线网络频率分配优化算法研究的基础上,对应不同干扰矩阵优化算法方案,给出了计算无线网络话务承载能力增益中测量统计干扰概率总量的具体算法过程。同时,为了对蜂窝无线网络的实时性能进行更有效、更准确的监测,作为算法理论的提升,对蜂窝无线网络话务承载能力比较评估算法进行了连续性拓展。     

从小区覆盖和无线干扰看网络优化

从当前模拟移动电话网络普遍存在的话务不均衡和无线干扰出发 ,提出小区有效覆盖区域概念及其与话务均衡的关系 ,阐述了无线干扰门限值对话音质量和系统资源的影响 ,最后还介绍了珠海TACS网的优化实例。     

Traffic and Interference Adaptive Scheduling for Internet Traffic in UMTS

In this paper we propose a scheduling strategy for the radio resources management when transmitting Internet traffic over third-generation systems. More precisely, we consider the UMTS Terrestrial Radio Access Network (UTRAN) Time Division Duplex (TDD) mode standardized by ETSI. UTRAN TDD uses a hybrid solution of code and time division multiple access, called TD-CDMA. In UMTS systems a key issue in developing access methodologies for the available spectrum is an optimal management of the rare radio resources. In this paper we present a fair and efficient scheduling algorithm that adapts its behavior to traffic and interference conditions. Specifically, our scheduling algorithm is able to manage the radio resources taking into account both the traffic fluctuations in the uplink and downlink direction and the variations of the system interference. The goal of our scheduler is the data-throughput maximization for an efficient utilization of available radio resources. The effectiveness of our scheduling algorithm is shown by exploiting analytical tools.     

带有业务感知分类的低开销保护策略

为将IP业务准确分类,并根据所分优先级类别进 行高效合理的区分保护,提出一种带有业务感知分 类的网络保护策略(PSTAC)。定义信息重要度(IS)感知业务特征 ,结合贝叶斯理论建立业务优先级分类模型,并考虑不 同级别业务的QoS参数进行针对性保护。仿真结果表明,所提PSTAC实现了高精度的业务分类 ,且比传统的区分保护策略有更高的资源利用率和更低的网络阻塞率。