张金宝, 郑洪明, 谈振辉, 等. MIMO MLD物理层抽象技术[J]. 通信学报, 2009,30(11):1-7.
ZHANG Jin-bao1, ZHENG Hong-ming2, TAN Zhen-hui1, et al. Physical layer abstraction for MIMO MLD[J]. 2009, 30(11): 1-7.
张金宝, 郑洪明, 谈振辉, 等. MIMO MLD物理层抽象技术[J]. 通信学报, 2009,30(11):1-7.DOI:
ZHANG Jin-bao1, ZHENG Hong-ming2, TAN Zhen-hui1, et al. Physical layer abstraction for MIMO MLD[J]. 2009, 30(11): 1-7.DOI:
MIMO MLD物理层抽象技术
摘要
物理层抽象的目的是对实时无线信道质量进行预测。对MIMO系统的物理层抽象算法的研究表明
EESM算法能够准确地估计使用MMSE检测的MIMO系统的无线信道质量;但是对于MLD
EESM完全不能工作。针对EESM的不足
基于信息论原理
提出了RBIR物理层抽象算法。WiMAXIIDL环境下的仿真结果显示
RBIR物理层抽象算法极大改善了MIMOMLD物理层抽象的准确性。
Abstract
Physical layer abstraction aims to evaluate the instantaneous quality of wireless channel.Researches on physical layer abstraction for MIMO system have demonstrated that
EESM algorithm can accurately evaluate channel quality for MIMO system with MMSE detection.However when it comes to MLD
EESM turns invalid.To the question of EESM algorithm
RBIR based physical layer abstraction was proposed from the view of information theory.Simulation results based on WiMAX II DL system show that
the proposed algorithm has improved the accuracy of physical layer abstraction for MIMO system with MLD greatly.