Open loop MU-MIMO

Details Open loop MU-MIMO Open loop MU-MIMO

2011-03-15

2011-03-15

Liu, Shuwang (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S299000, C375S341000, C375S347000, C375S349000, C375S135000, C375S136000, C375S146000, C375S147000

Reexamination Certificate

active

07907677

ABSTRACT:
A unified open loop single-user/multiple-user multiple-input-multiple-output (MIMO) system and method are disclosed. The system and method operate without use of channel state information feedback. Instead, the method utilizes channel quality indicator feedback to schedule users to spatial resource blocks. Both symmetric multi-user MIMO schemes (like 2×2 and 4×4) and asymmetric multi-user MIMO schemes are considered. CQI feedback and reduction proposals are also introduced. The method may be used in a proposed network topology.

REFERENCES:
patent: 2007/0104283 (2007-05-01), Han et al.
patent: 2007/0183380 (2007-08-01), Rensburg et al.
patent: 2007/0263746 (2007-11-01), Son
patent: 2007/0274411 (2007-11-01), Lee et al.
patent: 2008/0096488 (2008-04-01), Cho et al.

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