Communications: directive radio wave systems and devices (e.g. – Directive – Including a steerable array
Reexamination Certificate
2005-08-09
2005-08-09
Issing, Gregory C. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a steerable array
C375S267000
Reexamination Certificate
active
06927728
ABSTRACT:
In a multiple-input, multiple-output (MIMO) communication system, a method and apparatus for multi-antenna transmission. In accordance with the preferred embodiment of the present invention a reduced number of transmit weight matrices are fed back to the transmitter. Each transmit weight matrix is then applied to a plurality of subcarriers. Because each transmit weight matrix is applied to more than one subcarrier, the amount of weight matrixs being fed back to the transmitter is greatly reduced.
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Thomas Timothy A.
Vook Frederick W.
Zhuang Xiangyang
Haas Kenneth A.
Issing Gregory C.
Jacobs Jeffrey K.
Motorola Inc.
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