Channel estimation for wireless systems with multiple...

Details Channel estimation for wireless systems with multiple... Channel estimation for wireless systems with multiple...

2006-10-24

2006-10-24

Ha, Dac (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S261000, C375S285000, C375S347000, C370S483000

Reexamination Certificate

active

07127001

ABSTRACT:
In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols.

REFERENCES:
patent: 6298035 (2001-10-01), Heiskala
patent: 6473393 (2002-10-01), Lek et al.
patent: 6842442 (2005-01-01), Okawa et al.
Li. Y., “Optimum Training Sequences for OFDM Systems with Multiple Transmit Antennas,” Globecom'OO, IEEE Globasl Telecommunication Conference, vol. 3 of 3, Nov. 27, 2000.
Li, et al., “Channel Estimation of OFDM Systems with Transmitter Diversity in Mobile Wireless Channels,” IEEE Journal on Selected Areas in Communications, vol. 17, No. 3, Mar. 1999, 461.
European Search Report dated Dec. 6, 2004, for corresponding European Patent Application No. 02253493.7.

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