Resource allocation for MIMO-OFDM communication systems

Details Resource allocation for MIMO-OFDM communication systems Resource allocation for MIMO-OFDM communication systems

2006-03-28

2006-03-28

Chin, Wellington (Department: 2664)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S267000, C370S347000, C370S335000, C370S336000, C370S337000, C370S342000, C370S343000, C370S344000, C455S450000, C455S452100, C455S452200

Reexamination Certificate

active

07020110

ABSTRACT:
Techniques to schedule terminals for data transmission on the downlink and/or uplink in a MIMO-OFDM system based on the spatial and/or frequency “signatures” of the terminals. A scheduler forms one or more sets of terminals for possible (downlink or uplink) data transmission for each of a number of frequency bands. One or more sub-hypotheses may further be formed for each hypothesis, with each sub-hypothesis corresponding to (1) specific assignments of transmit antennas to the terminal(s) in the hypothesis (for the downlink) or (2) a specific order for processing the uplink data transmissions from the terminal(s) (for the uplink). The performance of each sub-hypothesis is then evaluated (e.g., based on one or more performance metrics). One sub-hypothesis is then selected for each frequency band based on the evaluated performance, and the one or more terminals in each selected sub-hypothesis are then scheduled for data transmission on the corresponding frequency band.

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