Title :
A distributed bidirectional wideband MIMO channel souder
Author :
Zhang, Nianzu ; Wang, Haiming ; Hong, Wei ; Zhou, Jianyi ; Yang, Guangqi ; Zhang, Hui ; Yu, Chen ; Kuai, Zhenqi
Author_Institution :
State Key Lab. of Millimeter Waves, Southeast Univ., Nanjing, China
Abstract :
In this paper, we present a wideband distributed bidirectional multiple-input - multiple-output (MIMO) channel sounder. It is developed for characterizing up to 4×4 MIMO channel in four frequency bands from 2GHz to 15GHz with 100MHz bandwidth. To fully understand the dynamic characteristics of multilink MIMO, such as distributed and cooperative MIMO, the radio over fiber (RoF) techniques is adopted. Furthermore, the channel sounder does not suffer from the deficiencies of “virtual antenna” measurement systems because of its parallel multi-channels. The hardware and signal frame structure are designed to support bidirectional measurement, which could achieve the real-time channel reciprocity. Finally, system calibration and performance analyses are presented.
Keywords :
MIMO communication; broadband networks; channel allocation; cooperative communication; radio-over-fibre; RoF technique; bandwidth 100 MHz; bidirectional measurement; cooperative MIMO; distributed MIMO; distributed bidirectional wideband channel sounder; frequency 2 GHz to 15 GHz; multilink MIMO; multiple-input-multiple-output channel; parallel multichannels; radio over fiber; real-time channel reciprocity; signal frame structure; virtual antenna measurement system; wideband MIMO channel sounder; Antenna measurements; Arrays; Calibration; MIMO; Radio frequency; Receivers; Wireless communication; Channel sounder; bidirectional; distributed MIMO; reciprocity;
Conference_Titel :
High Speed Intelligent Communication Forum (HSIC), 2012 4th International
Conference_Location :
Nanjing, Jiangsu
Print_ISBN :
978-1-4673-0678-2
Electronic_ISBN :
978-1-4673-0676-8
DOI :
10.1109/HSIC.2012.6213025
