Channel estimation for wireless systems with multiple...

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

2006-03-14

2006-03-14

Ha, Dac V. (Department: 2634)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S343000, C375S347000, C370S343000, C370S480000

Reexamination Certificate

active

07012966

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), Ariyavisitakul et al.
patent: 6611551 (2003-08-01), Jones et al.
Li, Y., “Optimum Training Sequences for OFDM Systems with Multiple Transmit Antennas,” Globecom'00, 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.
Copy of European Search Report dated Dec. 6, 2004 for corresponding European Patent Application No. 02253493.7.

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