Low rate MIMO

Details Low rate MIMO Low rate MIMO

2005-02-17

2009-10-06

Jung, Min (Department: 2416)

Multiplex communications

Generalized orthogonal or special mathematical techniques

C370S208000, C370S542000

Reexamination Certificate

active

07599281

ABSTRACT:
Data to be transmitted via a MIMO communication system having NT transmission paths is divided into M multiple streams and each stream is transmitted from one of the transmission paths of the MIMO system at a rate that is smaller than the rate the transmission path is capable of transmitting. The MIMO communication system is typically adapted to operate in conformity with a known standard, such as IEEE 802.11, and thus has electrical properties conforming to such standards. For example, if the communication system includes two transmission paths each adapted to transfer data at the rate of 48 Mbps per channel, the communication system is operated at a slower bit rate of, for example, 18 Mbps per channel to attain a range that is longer than that of a single spatial transmitter having an equivalent data rate of 36 Mbps.

REFERENCES:
patent: 6134696 (2000-10-01), Morelos-Zaragoza et al.
patent: 6952454 (2005-10-01), Jalali et al.
patent: 2004/0082356 (2004-04-01), Walton et al.
patent: 2005/0185575 (2005-08-01), Hansen et al.
patent: 2006/0187815 (2006-08-01), Wallace et al.
patent: 2007/0064589 (2007-03-01), Fruhauf et al.

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