Resource allocation for MIMO-OFDM communication systems
First Claim
1. A method for scheduling data transmission for a plurality of terminals in a wireless communication system, comprising:
- forming at least one set of terminals for possible data transmission for each of a plurality of frequency bands, wherein each set includes one or more terminals and corresponds to a hypothesis to be evaluated;
evaluating the performance of each hypothesis;
selecting one hypothesis for each frequency band based on the evaluated performance; and
scheduling the one or more terminals in each selected hypothesis for data transmission on the corresponding frequency band.
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Accused Products
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.
184 Citations
1 Claim
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1. A method for scheduling data transmission for a plurality of terminals in a wireless communication system, comprising:
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forming at least one set of terminals for possible data transmission for each of a plurality of frequency bands, wherein each set includes one or more terminals and corresponds to a hypothesis to be evaluated;
evaluating the performance of each hypothesis;
selecting one hypothesis for each frequency band based on the evaluated performance; and
scheduling the one or more terminals in each selected hypothesis for data transmission on the corresponding frequency band.
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Specification