Subcarrier-Bit Allocation Algorithm in Multiuser OFDM System

doi:10.13190/jbupt.200804.112.022

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2008, Vol. 31 ›› Issue (4): 112-116.doi: 10.13190/jbupt.200804.112.022

• Reports • Previous Articles Next Articles

Subcarrier-Bit Allocation Algorithm in Multiuser OFDM System

YANG Rui-zhe1，YUAN Chao-wei1，DING Yi2，YANG Kui3

1. Institute of Communication Network Integrated Technology, Beijing University of Posts and Telecommunications, Beijing 100876，China; 2. Department of Computer Science and Technology, Dezhou University, Dezhou 253023，China; 3. Beijing Branch, China Netcom, Beijing 100032，China

Received:2007-12-13 Revised:1900-01-01 Online:2008-08-30 Published:2008-08-30
Contact: YANG Rui-zhe

Abstract

Abstract:

A scheme of subcarrier-bit allocation is proposed for the power optimization in multiuser orthogonal frequency division multiplexing（OFDM） system. The scheme allocates the subcarriers to reduce the power of users with the principle of Min-Max, allocates the bit by water-filling to minimize the power of users. Finally the bit is rounded by greedy algorithm to obtain the minimized total transmit power of the system. Theoretical analysis and simulation results show that the performance is improved but with low complexity.

Key words: multiuser orthogonal frequency division multiplexing, subcarrier-bit allocation, min-max

CLC Number:

TN911.22

YANG Rui-zhe1，YUAN Chao-wei1，DING Yi2，YANG Kui3. Subcarrier-Bit Allocation Algorithm in Multiuser OFDM System[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2008, 31(4): 112-116.

References

[1] Jang Jiho，Lee K B．Transmit power adaptation for multiuser OFDM systems[J]．IEEE Journal on Selected Areas in Communications，2003，21(2)：171-178．
[2] Yu Guanding，Zhang Zhaoyang，Chen Yan，et al．Subcarrier and bit allocation for OFDMA systems with proportional fairness[C]// IEEE WCNC．NY：IEEE Inc，2006：1717-1722．
[3] 王晏君，陈前斌，邝育军．基于RA准则的多用户OFDM自适应资源分配算法改进[J]．应用科学学报，2007，25(1)：21-25．
Wang Yanjun，Chen Qianbin，Kuang Yujun．Improved rate-maximization-based adaptive resource allocation for multluser OFDM systems[J] ．Journal of Applied Sciences，2007，25(1)：21-25．
[4] 丁乐，殷勤业，邓科，等．一种无线OFDM系统中的高效功率和比特分配算法[J]．电子与信息学报，2007，29(7)：1537-1541．
Ding Le，Yin Qinye，Deng Ke，et al．A computationally efficient transmit power and bit allocations algorithm for wireless OFDM systems[J]．Journal of Electronics & Information Technology，2007，29(7)：1537-1541．
[5] Wong C Y，Cheng R S，Letaief K B，et al．Multiuser OFDM with adaptive subcarrier bit and power allocation[J]．IEEE Journal on Selected Areas in Communications，1999，17(10)：1747-1758．
[6] Zhou Kainan，Chew Y H．Heuristic algorithms to adaptive subcarrier-and-bit allocation in multiclass multiuser OFDM systems[C]// IEEE VTC．NJ：IEEE Piscataway，2006：1416 -1420．
[7] Zhang Guodong．Subcarrier and bit allocation for real-time services in multiuser OFDM systems[C]// IEEE ICC．NJ USA：IEEE Piscataway，2004：2985-2989．
[8] Yu Guanding，Zhang Zhaoyang，Chen Yan．A novel resource allocation algorithm for real-time Services in multiuser OFDM systems[C]// IEEE VTC．NJ USA：IEEE Piscataway，2006：1156-1160．
[9] 佟学俭，罗涛．OFDM移动通信技术原理与应用[M].北京：人民邮电出版社，2005：143-162．

[1]	YUAN Jianguo, YU Linfeng, YOU Wei, PANG Yu. An SCL-Flip Decoding Algorithm of Polar Codes to Optimize the Error Pattern Set [J]. Journal of Beijing University of Posts and Telecommunications, 2023, 46(4): 76-82.
[2]	. Scheme of Maximizing Tradeoff for the IRS-aided Downlink NOMA Systems [J]. Journal of Beijing University of Posts and Telecommunications, 0, (): 0-0.
[3]	. Fog Node Contribution Degree Based Task Offloading Algorithm for Heterogeneous Cellular Network [J]. Journal of Beijing University of Posts and Telecommunications, 2023, 46(2): 37-42.
[4]	. Encoding and compression method of 3D skeleton data for semantic communication [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(6): 62-69.
[5]	Ze-Yu Wang Meng-Fei ZHANG Mugen Peng. Study on Handover Mechanism in Non-terrestrial Networks with Transparent Satellites [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(6): 105-112.
[6]	Mugen Peng. Preamble Design for Low Earth Orbit Communication Systems [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(6): 78-84.
[7]	. Polar Coded Modulation for 6G System [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(6): 1-11.
[8]	ZHANG Shunwai, XIA Zihan. Construction and Performance Analysis of SWIPT-Based Product Polar Coded Cooperation [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(5): 54-59.
[9]	Hai YingZhao Zi huiGAO. Automatic generation method of turtle back pattern based on mathematical rules [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(4): 119-125.
[10]	ZHAO Haiying, XIE Guangpeng, GAO Zihui. Automatic Generation Method of Turtle Back Pattern Based on Mathematical Rules [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(4): 110-115.
[11]	GUO Shize, Lü Renjian, HE Mingshu, ZHANG Jie, YU Saisai. Application of Flow Spectrum Theory in Network Defense [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(3): 19-25.
[12]	WANG Huiqin, YANG Lirong, PENG Qingbin, CAO Minghua, CHEN Dan. O-OFDM-DIM Based on Discrete Wavelet Transform [J]. Journal of Beijing University of Posts and Telecommunications, 2022, 45(3): 57-63.
[13]	LIU Xiao-ming, QI Tao, GAN Lu. A Broadband Reflective Polarization Rotator [J]. Journal of Beijing University of Posts and Telecommunications, 2021, 44(6): 20-25,32.
[14]	LIU Shao-hua, LI Ming-hao, LI Zhao-xin, MAO Tian-lu, LIU Jing. Neural Radiance Field by Joint Sampling [J]. Journal of Beijing University of Posts and Telecommunications, 2021, 44(6): 109-115.
[15]	ZHAO Hai-ying, LI Huan-hong, HOU Xiao-gang. Evaluation Method of Traditional Pattern Vector Diagram Based on Perception Drive [J]. Journal of Beijing University of Posts and Telecommunications, 2021, 44(6): 53-58.

Subcarrier-Bit Allocation Algorithm in Multiuser OFDM System

PDF

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments