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Joint Spatial-Temporal Access Scheme for Multihop Cognitive Relay Networks Over Nakagami-m Fading
Xu C(许驰); Zheng M(郑萌); Liang W(梁炜); Yu HB(于海斌)
作者部门工业控制网络与系统研究室
关键词Cognitive Relay Networks Multihop Spatial-temporal Opportunity Nakagami-m Fading Outage Probability
发表期刊Wireless Personal Communications
ISSN0929-6212
2017
卷号95期号:3页码:3097-3117
收录类别SCI ; EI
EI收录号20170603333488
WOS记录号WOS:000406777300069
产权排序1
资助机构National Natural Science Foundation of China under grant 61233007, 61673371, and 71661147005, and Youth Innovation Promotion Association, CAS under grant 2015157.
摘要This paper investigates the cooperative multihop cognitive relay networks (CRNs) under a novel two-dimensional spatial-temporal opportunity model, in which free opportunity and sharing opportunity are defined to enhance the spectrum efficiency. Correspondingly, a joint spatial-temporal access scheme (JSTAS) is proposed to realize successive spectrum access for continuous data transmission. The multihop CRNs with fixed relaying employ decode-and-forward with and without signal-to-noise ratio selection, which are named as SDF and DF, respectively. Then, considering the interference constraints from multiple primary receivers, the interference of one primary transmitter and the maximum transmit powers of cognitive users, we study the outage performance of multihop CRNs with JSTAS over Nakagami-m fading. To comprehensively evaluate JSTAS, we further present the pure spatial access scheme (SAS) and the pure temporal access scheme (TAS) under the spatial-temporal opportunity model, and calculate their average network outage probabilities. Simulation results demonstrate that SDF outperforms DF, while JSTAS outperforms SAS and TAS under all considered scenarios.
语种英语
WOS标题词Science & Technology ; Technology
WOS类目Telecommunications
关键词[WOS]PRIMARY USERS INTERFERENCE ; RADIO NETWORKS ; SECONDARY DESTINATIONS ; OUTAGE PROBABILITY ; SYSTEMS ; PERFORMANCE
WOS研究方向Telecommunications
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/19883
专题工业控制网络与系统研究室
通讯作者Xu C(许驰); Yu HB(于海斌)
作者单位1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, Shenyang 110016, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
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GB/T 7714
Xu C,Zheng M,Liang W,et al. Joint Spatial-Temporal Access Scheme for Multihop Cognitive Relay Networks Over Nakagami-m Fading[J]. Wireless Personal Communications,2017,95(3):3097-3117.
APA Xu C,Zheng M,Liang W,&Yu HB.(2017).Joint Spatial-Temporal Access Scheme for Multihop Cognitive Relay Networks Over Nakagami-m Fading.Wireless Personal Communications,95(3),3097-3117.
MLA Xu C,et al."Joint Spatial-Temporal Access Scheme for Multihop Cognitive Relay Networks Over Nakagami-m Fading".Wireless Personal Communications 95.3(2017):3097-3117.
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