异构网络中基于负载传递的联合接纳控制算法
Joint admission control algorithm based on load transfer in heterogeneous networks
- 通信学报 2018年39卷第5期 页码：34-47
- 作者机构：
东南大学移动通信国家重点实验室，江苏 南京 210096
- 作者简介：
[ "夏玮玮（1975-），女，江苏句容人，博士，东南大学副研究员，主要研究方向为异构网络资源管理和移动性管理、移动云计算。" ]
[ "丁兆明（1978-），男，山东日照人，东南大学博士生，主要研究方向为异构网络资源管理、软件定义无线传感器网络、拓扑控制。" ]
[ "沈连丰（1952-），男，江苏邳州人，东南大学教授，主要研究方向为宽带移动通信、车联网。" ]
- 基金信息：国家自然科学基金资助项目(61741102);国家自然科学基金项目资助(61471164)
DOI：10.11959/j.issn.1000-436x.2018075
中图分类号： TN929.5-
网络首发：2018-05，
纸质出版：2018-05-25
- 稿件说明：
移动端阅览
夏玮玮, 丁兆明, 沈连丰. 异构网络中基于负载传递的联合接纳控制算法[J]. 通信学报, 2018,39(5):34-47.
Weiwei XIA, Zhaoming DING, Lianfeng SHEN. Joint admission control algorithm based on load transfer in heterogeneous networks[J]. Journal on Communications, 2018, 39(5): 34-47.
夏玮玮, 丁兆明, 沈连丰. 异构网络中基于负载传递的联合接纳控制算法[J]. 通信学报, 2018,39(5):34-47. DOI： 10.11959/j.issn.1000-436x.2018075.
Weiwei XIA, Zhaoming DING, Lianfeng SHEN. Joint admission control algorithm based on load transfer in heterogeneous networks[J]. Journal on Communications, 2018, 39(5): 34-47. DOI： 10.11959/j.issn.1000-436x.2018075.
摘要
提出异构网络中基于负载传递的联合接纳控制（LJAC
load-transfer-based joint admission control）算法，该算法基于负载均衡接纳用户的接入请求，在异构网络交叠覆盖区域引入业务的动态负载传递，同时考虑异构网络的布局以及垂直切换等因素的影响。将异构网络融合系统建模为多维马尔可夫链，获得稳态概率，推导异构网络融合系统的服务质量（QoS
quality of service）性能指标。基于泊松点过程理论，获得满足QoS限制时的异构网络容量上界。以最大化资源使用率同时保证用户的QoS为目标，优化异构网络融合系统的接纳参数。仿真结果表明，LJAC算法能实现更低的业务阻塞率和垂直切换请求失败率以及更高的系统容量增益。
Abstract
A load-transfer-based joint admission control (LJAC) algorithm in heterogeneous networks was proposed.The access requirements of users were admitted based on load balancing
the dynamic load transfer of traffics in the overlapping coverage areas of heterogeneous networks were introduced
and the influence of such factors as the layout of heterogeneous networks and the vertical handoff was considered in the algorithm.The integrated system of heterogeneous networks was modeled as a multidimensional Markov chain
the steady-state probabilities were obtained and the quality of service (QoS) performance metrics were derived.Based on the Poisson point process theory
the upper bound of capacity of the heterogeneous networks satisfying QoS limitations was obtained.The admission control parameters of the integrated system of heterogeneous networks were optimized in order to maximize the resource utilization rate as well as guaranteeing the QoS of users.The simulation results demonstrate lower traffic blocking probability
lower failure probability of vertical handoff requirements
and larger system capacity gain can be achieved by using the proposed LJAC algorithm.
关键词
Keywords
references
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