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OFDM双向多跳网络的新型比特和功率分配算法 被引量:2

A Novel Bit and Power Allocation Algorithm for OFDM-based Two-way Multihop Network
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摘要 结合新型双向多跳网络协议和正交频分复用技术,研究旨在保证通信质量情况下的自适应比特和功率分配算法,其目的是以较小发送功率和较高频谱效率完成通信。通过凸优化理论推导出最优功率分配算法,并提出一种基于贪婪原则的自适应比特分配算法,能够以较低的复杂度在实际工程中完成部署。仿真分析表明,提出的双向多跳算法是传统多跳协议频谱效率的2倍,所需发送功率是平均资源分配算法的1/3。 In Orthogonal Frequency Division Multiplexing(OFDM)-based two-way multihop system, the adaptive bit and power allocation with guaranteed quality of service(QoS) is investigated to complete the two-way commu- nication with the lower power consumption and higher spectral efficiency. Based on convex theory, the closed- form formulation of optimal power allocation is derived. Then, a greedy-based bit allocation algorithm is pro- posed, which can be implemented in practical scenario with low complexity. The simulation shows that the pro- posed algorithm has twice spectral efficiency than the traditional muhihop protocol, while the transmit power is 1/3 of average allocation algorithm.
作者 陈晓栋
出处 《电讯技术》 北大核心 2013年第3期307-311,共5页 Telecommunication Engineering
关键词 双向多跳网络 OFDM 比特分配 功率分配 two-way muhihop network OFDM bit allocation power allocation
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  • 1Popovski P, Yomo H. Bi-directional Amplification of ]]n"oughput in a Wireless Multi-Hop Network [ C //Proceed- ings of 2006 IEEE 63rd Vehicular Technology Conference. Melbourne, Vic : IEEE, 2006: 588 - 593.
  • 2Popovski P, Yomo H. The Anti - Packets Can Increase the Achievable Throughput of a Wireless Multi-Hop Network [ C]//Proceedings of 2006 IEEE International Conference on Communications. Istanbul: IEEE, 2006: 3885 - 3890.
  • 3Zhang S, Liew S C, Lam P P. Hot topic : physical-layer net- work coding[ C]//Proceedings of the 12th Annual Interna- tional Conference on Mobile Computing and Networking. New York : ACM, 2006: 358 - 365.
  • 4Katti S, Gollakota S, Katabi D. Embracing wireless interfer- ence: analog network coding[C]//Proceedings of 2007 Con- ference on Applications, Technologies, Architectures, and Protocols for Computer Communications. New York: ACM, 2007 : 397 - 408.
  • 5Nazer B, Gastpar M. Reliable Physical Layer Network Coding [J]. Proceedings of the IEEE, 2011, 99(3) :438 - 460.
  • 6Popovski P, Yomo H. Physical network coding in two-way wireless relay channels[ C]//Proceedings of 2007 IEEE Inter- national Conference on Communications. Glasgow: IEEE, 2007 : 707 - 712.
  • 7Blossom E. Exploring GNU radioEB/OL]. (2004- 11 - 29) [2012 - 09 - 20]. http://www, gnu. org/software/gnu- radio/doc/exploring- gnuradio, html.
  • 8Boyd S, Vandenberghe L. Convex optimization [ M]. Cam- bridge, UK: Cambridge University Press,2004.
  • 9Proakis J G. Digital communications[M] .4th ed. New York: McGraw Hill press,2001.
  • 10Federgruen A, Groenevelt H. The greedy procedure for re- source allocation problems: Necessary and sufficient condi- tions for optimality[J]. Operations Research, 1986, 34(6) : 909-918.

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