OFDM receiving method and apparatus

Details OFDM receiving method and apparatus OFDM receiving method and apparatus

2011-08-16

2011-08-16

Fan, Chieh M (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S316000, C455S010000, C455S504000, C455S506000

Reexamination Certificate

active

08000400

ABSTRACT:
In order to improve upon a degradation in performances due to inter-carrier interference without loss of transmission efficiency, antennas provided on a mobile body are made directional antennas. An antenna selection unit selects a directional antenna in such a manner that Doppler shift that is caused by movement of the mobile body will keep a constant sign that is positive or negative, a fading-variation calculation unit calculates the average value of fading variation on each path of a multipath environment, and a fading-variation compensation unit compensates the multipath fading variation based upon the average value.

REFERENCES:
patent: 5898665 (1999-04-01), Sawahashi et al.
patent: 5973642 (1999-10-01), Li et al.
patent: 6128276 (2000-10-01), Agee
patent: 6134262 (2000-10-01), Kitade et al.
patent: 6226507 (2001-05-01), Ramesh et al.
patent: 6295326 (2001-09-01), Tonissen et al.
patent: 6397067 (2002-05-01), Tanaka et al.
patent: 6441786 (2002-08-01), Jasper et al.
patent: 7031410 (2006-04-01), Schenk et al.
patent: 2001/0005182 (2001-06-01), Aaltonen
patent: 0 184 447 (1986-06-01), None
patent: 1 093 268 (2001-04-01), None
patent: 1 126 673 (2001-08-01), None
United States Office Action dated Oct. 6, 2006.
United States Office Action dated Apr. 3, 2007.
United States Office Action dated Nov. 14, 2007.
United States Office Action dated Aug. 12, 2008.
United States Office Action dated Feb. 26, 2009.
Shinsuke, Hara et al. “Overview of Multicarrier CDMA”. IEEE Communications Magazine, pp. 126-133, Dec. 1997.
Sadayuki, Abeta et al. “Performance of Coherent Multi-Carrier/DS-CDMA and MC-CDMA for broadband Packet Wireless Access”. IEICE Trans. Commun., pp. 406-414, Mar. 2001.

Affiliated with

Also associated with

Rating

OFDM receiving method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with OFDM receiving method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and OFDM receiving method and apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2641349