Title :
Circuit implications of MIMO technology for advanced wireless local area networks
Author :
Choi, Won-Joon ; Sun, Qinfang ; Gilbert, Jeffrey M.
Author_Institution :
Atheros Commun. Inc., Sunnyvale, CA, USA
Abstract :
This paper first gives a brief introduction to multiple input multiple output (MIMO) wireless communication systems. Various architectures of MIMO systems and corresponding features are discussed, including those proposed for the IEEE 802.11n standards committee. The constraints on RF circuits in a MIMO system are then addressed, as well as the impact of analog impairments on the performance of MIMO systems. Finally, the paper discusses calibration procedures in MIMO systems.
Keywords :
MIMO systems; calibration; closed loop systems; diversity reception; synchronisation; wireless LAN; IEEE 802.11n; MIMO wireless communication systems; RF circuit constraints; analog impairment effects; calibration procedures; closed-loop MIMO systems; matching; spatial diversity; synchronization; wireless local area networks; Calibration; Channel estimation; Circuits; Diversity reception; MIMO; Receiving antennas; Throughput; Transmitting antennas; Wireless LAN; Wireless communication;
Conference_Titel :
Radio Frequency integrated Circuits (RFIC) Symposium, 2005. Digest of Papers. 2005 IEEE
Print_ISBN :
0-7803-8983-2
DOI :
10.1109/RFIC.2005.1489626
