Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2011-03-08
2011-03-08
Anderson, Matthew D (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S101000, C455S102000, C455S103000, C455S562100, C370S318000, C375S227000, C375S229000, C342S372000, C342S368000, C342S371000
Reexamination Certificate
active
07904106
ABSTRACT:
Disclosed is an apparatus and method for adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes (OSTBC) in a distributed wireless communication system, the apparatus comprising: a plurality of sub-arrays for beamforming, which are geographically distributed and each of which comprises a plurality of distributed antennas placed in random groups; and a central processing unit for identifying performances of subsets by applying a predetermined power allocation scheme according to subsets which can be obtained by combining the sub-arrays, by means of a Nakagami fading parameter and information about large-scale fading of each of the sub-arrays, fed back from a receiving party, for determining a subset having a best performance as an optimal subset according to the identified performances, and for performing power allocation based on the subset set as the optimal subset.
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Cho Jae-Hun
Han Shuangfeng
Hwang Seong-taek
Kim Hoon
Kim Sang-Ho
Anderson Matthew D
Cha & Reiter LLC
Safaipour Bobbak
Samsung Electronics Co,. Ltd.
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