Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Reexamination Certificate
2011-03-01
2011-03-01
Nguyen, Tuan H (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
C455S062000, C455S115300, C455S509000, C455S513000, C370S334000
Reexamination Certificate
active
07899421
ABSTRACT:
A method and system for a double search algorithm of user group selection for multiuser MIMO downlink transmission are provided. The use of optimal brute-force user group selection may require high computational expense. A first search operation may be based on a first user having a channel gain greater than that of other users, while a second search operation may be based on a second user having a channel gain greater than that of the remaining users. A maximized system capacity may be determined based on the maximized system capacities determined in the first and second search loop. A receiver pair associated with the maximized system capacity may be selected as the user group. The double search algorithm may reduce the computational complexity while achieving performances that may exceed the TDMA scheme and be similar to that of systems with ideal CSI at the transmitter.
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Catreux-Erceg Severine
Erceg Vinko
Rooyen Pieter van
Roux Pieter
Zhang Chengjin
Broadcom Corporation
McAndrews Held & Malloy Ltd.
Nguyen Tuan H
LandOfFree
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