Antenna Array Structures Effect on Water-Filling Capacity of Indoor NLOS MIMO Channel  

作　　者：Lü Jian-gang Lü Ying-hua DU Juan LI Yun-zhuang WANG Xu-ying 

机构地区：[1]Continuing Education School, Beijing University of Posts and Telecommunications, Beijing 100876, P.R. China [2]STMicroelectronics, Beijing 100080, P.R. China [3]China Telecommunication Corporation, Beijing 100032, P.R. China

出　　处：《The Journal of China Universities of Posts and Telecommunications》2005年第3期17-20,共4页中国邮电高校学报（英文版）

基　　金：This workis supported by Key Laboratory of OCLT, Mi mistry of Education (BUPT) fund and national nature science fund(60271018 ,60331010) .

摘　　要：A 2-D Shooting and Bouncing Ray-tracing method （ SBR ） is used to analyze the different antenna array structure effect on the water-filling Capacity Complementary Cure ulative Distribution Functions （ CCDFS） of indoor Non-Lineof-Sight （NLOS） Multiple-Input Multiple-Output （MIMO） channel. The results have shown that in NLOS indoor environment different antenna array structures affect on the CCDFS differently. The CCDFS of MIMO systems with antenna spacing 5λ change slightly with antenna array structures and all approach the in independent and identically distribution （ i. i.d. ） rayl,eigh channel water-filling capacity. When antenna spacing decreased to 0.53., the capacities of MIMO systerns drop also, and change with antenna array structures greatly. The results on outage water-filling capacity also show that there exist a fixed relationship that i. i.d. rayleigh channel capacity is larger than the capacity equipped with linear antenna array which is larger than the capacity equipped with rectangular antenna array and the capacity equipped with circular antenna array.A 2-D Shooting and Bouncing Ray-tracing method （ SBR ） is used to analyze the different antenna array structure effect on the water-filling Capacity Complementary Cure ulative Distribution Functions （ CCDFS） of indoor Non-Lineof-Sight （NLOS） Multiple-Input Multiple-Output （MIMO） channel. The results have shown that in NLOS indoor environment different antenna array structures affect on the CCDFS differently. The CCDFS of MIMO systems with antenna spacing 5λ change slightly with antenna array structures and all approach the in independent and identically distribution （ i. i.d. ） rayl,eigh channel water-filling capacity. When antenna spacing decreased to 0.53., the capacities of MIMO systerns drop also, and change with antenna array structures greatly. The results on outage water-filling capacity also show that there exist a fixed relationship that i. i.d. rayleigh channel capacity is larger than the capacity equipped with linear antenna array which is larger than the capacity equipped with rectangular antenna array and the capacity equipped with circular antenna array.

关 键 词：MIMO RAY-TRACING CCDFS antenna array structure water-filling principle 

分 类 号：TN91[电子电信—通信与信息系统]