Multiplex communications – Generalized orthogonal or special mathematical techniques
Reexamination Certificate
2007-04-20
2010-11-16
Ferris, Derrick W (Department: 2463)
Multiplex communications
Generalized orthogonal or special mathematical techniques
C370S328000
Reexamination Certificate
active
07835260
ABSTRACT:
This document is related to a method for receiving signals in multi-user system, the method comprising: receiving signals form 2 or more mobile stations using ‘k’-th radio resource and ‘k+m’-th radio resource; estimating a channel matrix using the received signals; calculating a weight matrix so that the channel matrix have an orthogonality to the signals from each of the mobile stations; transmitting the weight matrix to each of the mobile stations; and receiving signals that the weight matrix is applied by each of the mobile stations. By doing so, we can increase the transmission efficiency through obtaining both orthogonality and diversity gain in the multi-user MIMO system.
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Chang Jae Won
Chun Jin Young
Ihm Bin Chul
Jung Jin Hyuk
Lee Moon Il
Ferris Derrick W
Lee Hong Degerman Kang & Waimey
LG Electronics Inc.
Onamuti Gbemileke
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