Title :
Performance Analysis of MRT and Transmit Antenna Selection with Feedback Delay and Channel Estimation Error
Author :
Han, Shengqian ; Yang, Chenyang
Author_Institution :
Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing
Abstract :
In this paper, we investigate the performance of four closed-loop multiple-input multiple-output (MIMO) schemes with channel state information (CSI) feedback delay and channel estimation error. These schemes are conventional maximal ratio transmission scheme (C-MRT), improved MRT (I-MRT), conventional transmit antenna selection with space-time block code scheme (C-TAS/STBQ) and improved TAS/STBC (I-TAS/STBC). Exact bit error rate (BER) expressions of C-MRT and C-TAS/STBC and approximate BER expressions of I-MRT and I-TAS/STBC for two specific scenarios are derived for binary phase shift keying (BPSK) modulation. The performance of the schemes with CSI feedback delay and channel estimation error are validated and compared with each other by numerical and simulation results.
Keywords :
MIMO communication; block codes; channel estimation; error statistics; feedback; phase shift keying; space-time codes; transmitting antennas; BER; BPSK modulation; MIMO system; binary phase shift keying modulation; bit error rate; channel estimation error; channel state information feedback delay; conventional maximal ratio transmission scheme; improved maximal ratio transmission scheme; multiple-input multiple-output system; space-time block code scheme; transmit antenna selection; Antenna feeds; Binary phase shift keying; Bit error rate; Channel estimation; Channel state information; Delay estimation; Feedback; MIMO; Performance analysis; Transmitting antennas;
Conference_Titel :
Wireless Communications and Networking Conference, 2007.WCNC 2007. IEEE
Conference_Location :
Kowloon
Print_ISBN :
1-4244-0658-7
Electronic_ISBN :
1525-3511
DOI :
10.1109/WCNC.2007.215
