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1. Network Coded Transmission Scheme In D2D Communication Networks | |||
WANG Xin,LI Lihua | |||
Information Science and System Science 18 November 2013 | |||
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Abstract:Data sharing is common in device-to-device (D2D) communication. During the multicasting phase, the cellular user equipments (UEs) may suffer packet loss because of the poor wireless channel condition. By introducing a D2D cooperative transmission scheme based on network coding (D2D CTNC), this situation can be improved. In the proposed scheme, a UE is chosen as the D2D group leader (GL), who is responsible for collecting feedbacks and selecting the retransmitter. According to a network coded transmission method, the retransmitter sends the encoded data packets to other D2D UEs. Analysis and numerical results show that the proposed scheme performs better than traditional methods mentioned in this paper. The signal overhead is decreased while the bandwidth efficiency is increased. Theoretical lower bound can be achieved in certain cases. | |||
TO cite this article:WANG Xin,LI Lihua. Network Coded Transmission Scheme In D2D Communication Networks[OL].[18 November 2013] http://en.paper.edu.cn/en_releasepaper/content/4570754 |
2. LW-TCP/IPv6: A Lightweight TCP/IPv6 Stack for All-IP Wireless Sensor Networks | |||
ZHOU Quan,ZHANG Runtong,CHEN Huisheng,HUA Rui | |||
Information Science and System Science 01 April 2013 | |||
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Abstract:On the issue of WSN and Internet interconnection, this paper proposes a lightweight TCP/IPv6 stack (LW-TCP/IPv6), which is based on 6LoWPAN and can be implemented in all-IP wireless network. In our scheme, IPv6, ICMPv6, ND, UDP, TCP and IPSec have been redesigned by reducing packet header and capability. The feasibility and interoperability of LW-TCP/IP is evaluated on a simulation platform. Experiment data proves its outperformance in supportability and saving resource. | |||
TO cite this article:ZHOU Quan,ZHANG Runtong,CHEN Huisheng, et al. LW-TCP/IPv6: A Lightweight TCP/IPv6 Stack for All-IP Wireless Sensor Networks[OL].[ 1 April 2013] http://en.paper.edu.cn/en_releasepaper/content/4533923 |
3. Robustness of Regular Ring Lattices Based on Natural Connectivity | |||
WU Jun,M Barahona,DENG Hongzhong,TAN Yuejin | |||
Information Science and System Science 02 September 2010 | |||
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Abstract:It has been recently proposed that the natural connectivity can be used to characterize efficiently the robustness of complex networks. The natural connectivity quantifies the redundancy of alternative routes in the network by evaluating the weighted number of closed walks of all lengths and can be seen as an average eigenvalue obtained from the graph spectrum. In this paper, we explore both analytically and numerically the natural connectivity of regular ring lattices and regular random graphs obtained through degree-preserving random rewirings from regular ring lattices. We reformulate the natural connectivity of regular ring lattices in terms of generalized Bessel functions and show that the natural connectivity of regular ring lattices is independent of network size and increases with average degree monotonically. We also show that random regular graphs have lower natural connectivity, and are thus less robust, than regular ring lattices. | |||
TO cite this article:WU Jun,M Barahona,DENG Hongzhong, et al. Robustness of Regular Ring Lattices Based on Natural Connectivity[OL].[ 2 September 2010] http://en.paper.edu.cn/en_releasepaper/content/4384203 |
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