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题名: Concurrent transmission versus time sharing in Gaussian interference channels
作者: Zheng M(郑萌); Mohammadi, Jafar; Stanczak, Slawomi; Yu HB(于海斌)
作者部门: 工业控制网络与系统研究室
通讯作者: 郑萌
会议名称: 2012 IEEE 13th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2012
会议日期: June 17-20, 2012
会议地点: Cesme, Turkey
会议录: IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
会议录出版者: IEEE
会议录出版地: Piscataway, NJ, United States
出版日期: 2012
页码: 314-318
收录类别: EI
ISBN号: 9781467309714
关键词: Resource allocation ; Signal interference ; Telecommunication ; Wireless telecommunication systems
摘要: A key to efficient mobile communication networks is an efficient utilization of scarce resources, which includes mechanisms for resource allocation and interference management. In practice, time sharing methods such as Time Division Multiple Access (TDMA) are often exploited to create orthogonal connections. TDMA schemes however are inflexible and not suitable for decentralized implementation. In this context, approaches based on concurrent transmissions in the same frequency spectrum admitting the interference offer a promising and attractive alternative. Yet their performances deteriorate dramatically if the underlying interference coefficients are relatively large. Assuming a Gaussian Interference Channel (GIC), this paper characterizes the so-called TDMA region which is defined as a set of all interference coefficient matrices for which TDMA outperforms concurrent transmissions. We use the dimensional lifting method to prove the convexity and monotonicity of the TDMA region, which provides some insights into the scheduling design under uncertainty with respect to the interference coefficients. Finally, the analysis is used to develop strategies for resource allocation in STDMA-based wireless networks. 
语种: 英语
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/10094
Appears in Collections:工业控制网络与系统研究室_会议论文

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Recommended Citation:
Zheng M,Mohammadi, Jafar,Stanczak, Slawomi,et al. Concurrent transmission versus time sharing in Gaussian interference channels[C]. 见:2012 IEEE 13th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2012. Cesme, Turkey. June 17-20, 2012.
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文件名: Concurrent transmission versus time sharing in Gaussian interference channels.pdf
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