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多类型异构无线网络连通性研究
Research on Connectivity of Multi-Type Heterogeneous Wireless Networks
- 电信科学 2014年30卷第3期 页码：60-66
- 作者机构：
- 作者简介：
[ "郭敬元，男，复旦大学电子工程系硕士生，主要研究方向为异构网络、网络连通性与渗流等。" ]
[ "杨涛，男，复旦大学电子工程系副教授，主要研究方向为认知无线电、网络信息感知及融合、智能信号处理等。" ]
[ "冯辉，男，复旦大学电子工程系讲师，主要研究方向为分布式信号处理理论及应用、网络智能信息处理等。" ]
[ "胡波，男，复旦大学电子工程系教授，主要研究方向为数字图像处理算法研究、信息传输与数字通信、数字系统的设计与实现等。" ]
- 基金信息：国家自然科学基金资助项目(60972024)
DOI：10.3969/j.issn.1000-0801.2014.03.012
中图分类号：-
网络出版日期：2014-03，
纸质出版日期：2014-03-20
- 稿件说明：
移动端阅览
郭敬元, 杨涛, 冯辉, 等. 多类型异构无线网络连通性研究[J]. 电信科学, 2014,30(3):60-66.
Jingyuan Guo, Tao Yang, Hui Feng, et al. Research on Connectivity of Multi-Type Heterogeneous Wireless Networks[J]. Telecommunications science, 2014, 30(3): 60-66.
郭敬元, 杨涛, 冯辉, 等. 多类型异构无线网络连通性研究[J]. 电信科学, 2014,30(3):60-66. DOI： 10.3969/j.issn.1000-0801.2014.03.012.
Jingyuan Guo, Tao Yang, Hui Feng, et al. Research on Connectivity of Multi-Type Heterogeneous Wireless Networks[J]. Telecommunications science, 2014, 30(3): 60-66. DOI： 10.3969/j.issn.1000-0801.2014.03.012.
摘要
从渗流角度研究大规模单类型用户和多类型用户的自组织异构网络的连通性问题。首先，从布尔模型的角度出发，对于单类型用户，以圆盘模型分析簇分布时满足渗流的条件；对于多类型用户节点，根据泊松分布的认知无线电模型，从理论上给出具有多类型次用户节点的网络连通性的必要条件。其中，多类型次用户节点之间通信链路的存在与否不仅取决于它们之间的距离，也跟周围邻居用户节点的类型和收发行为有关。然后，从随机连接角度，引入乘积规则决定先连接哪两个用户，从而推迟或加速渗流发生。仿真有效地验证了渗流理论的实用性，可作为对认知无线电网络部署的指导。
Abstract
For the large scale Ad Hoc network with single-type or multi-type users
the percolation-based connectivity problem was addressed. Firstly
from the Boolean model point of view
single-type and multi-type user network connectivity was analyzed. For the single-type users
the sufficient condition under which percolation was achieved in clustered networks was formulated under the disk model. For multi-type user network
under the Poisson distributed cognitive radio model
the necessary condition for network connectivity was analyzed. The existence of a communication link between two secondary users depends on not only the distance between them
the transmitting and receiving activities of nearby primary users
but also the neighboring user's type. Then from random connection model point of view
the product rule was introduced to decide which two users could be connected
thus delaying or accelerating the occurrence of percolation. Various simulations show that the percolation is effective both in theory and practice in guidance of the deployment of cognitive radio network.
关键词
Keywords
references
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