火力与指挥控制
火力與指揮控製
화력여지휘공제
Fire Control & Command Control
2015年
11期
20-24
,共5页
高阶MIMO%格基规约%K-best%信号检测
高階MIMO%格基規約%K-best%信號檢測
고계MIMO%격기규약%K-best%신호검측
high MIMO%lattice reduction%K-best%signal detection
通过对k-best检测算法的分析,在研究了格基规约(Lattice Reduction,LR)原理的基础上,结合对基于LR的MMSE-SIC检测算法的比较,验证了对信道矩阵进行LR预处理后,信号检测性能能得到近6-dB的提升,由此,在8*8多天线系统下,提出了一种基于LR的SR-k-best检测算法,经过仿真比较发现,该算法检测复杂度更低,而降低的检测性能可以忽略不计,是一种近最优的低复杂度高阶MIMO检测算法.
通過對k-best檢測算法的分析,在研究瞭格基規約(Lattice Reduction,LR)原理的基礎上,結閤對基于LR的MMSE-SIC檢測算法的比較,驗證瞭對信道矩陣進行LR預處理後,信號檢測性能能得到近6-dB的提升,由此,在8*8多天線繫統下,提齣瞭一種基于LR的SR-k-best檢測算法,經過倣真比較髮現,該算法檢測複雜度更低,而降低的檢測性能可以忽略不計,是一種近最優的低複雜度高階MIMO檢測算法.
통과대k-best검측산법적분석,재연구료격기규약(Lattice Reduction,LR)원리적기출상,결합대기우LR적MMSE-SIC검측산법적비교,험증료대신도구진진행LR예처리후,신호검측성능능득도근6-dB적제승,유차,재8*8다천선계통하,제출료일충기우LR적SR-k-best검측산법,경과방진비교발현,해산법검측복잡도경저,이강저적검측성능가이홀략불계,시일충근최우적저복잡도고계MIMO검측산법.
By k-best detection algorithm analysis,studied the lattice reduction in basis (Lattice Reduction,LR) principle,combined with comparison to the MMSE-SIC detection algorithm based on the LR verified after pretreatment LR channel matrix ,the signal detection performance can be nearly 6-dB increased,whereby in the 8 * 8 multi-antenna system proposed SR-k-best detection algorithm based on LR. Through simulation comparison,the complexity of the detection algorithm lower detection performance decrease is negligible,which is a low-complexity near-optimal order MIMO detection algorithm.
