Pre-processing systems and methods for MIMO antenna systems

1. A method for controlling a Multiple Input Multiple Output (MIMO) antenna system, the method comprising:

at a first communication unit, receiving a table from a second communication unit, said table including a plurality of space time processing schemes based on predicted channel state information, wherein said schemes in said table are organized by respective time period to which each corresponds;

selecting at least one of said schemes from said table, wherein said selecting comprises:

selecting said at least one scheme based on its respective time period; and

transmitting data from said first communication unit to said second communication unit according to said at least one selected space time processing scheme.

2. The method of claim 1 wherein said transmitting comprises:

applying a Space Time Block Coding (STBC) technique to said transmission.

3. The method of claim 1 wherein said transmitting data comprises:

selecting one or more of a plurality of antennas in said first communication unit based upon control information in said at least one scheme; and

transmitting said data using said selected one or more antennas.

4. The method of claim 1 wherein said channel state information includes information selected from the list consisting of:

amplitude; and

phase rotation.

5. The method of claim 1 wherein said transmitting is performed in accordance with a Frequency Division Duplexing (FDD) method.

6. The method of claim 1 wherein said first communication unit is a transmitter communicating on a forward link channel, and said second communication unit is a receiver communicating on a reverse link channel.

7. A method for controlling a Multiple Input Multiple Output (MIMO) antenna system, the method comprising:

at a first communication unit of said MIMO antenna system, obtaining transmit channel state information from a burst from a second communication unit;

predicting likely transmit channel state information for a plurality of time points in the future based at least in part on said obtained transmit channel state information;

generating a table of space time processing schemes based at least in part upon said transmit channel state information for a plurality of time points in the future, wherein said table is arranged by said plurality of time points; and

sending said table to said second communication unit of said MIMO antenna system.

8. The method of claim 7 wherein said obtaining comprises:

estimating said transmit channel state information.

9. The method of claim 7 wherein said obtained channel state information corresponds to a time, t, and wherein said each of said plurality of time points corresponds to a time offset from time t.

10. The method of claim 7 wherein each of said schemes corresponds to a respective time point and a respective reliability value.

11. A method for controlling a Multiple Input Multiple Output (MIMO) antenna system, the method comprising:

at a first communication unit of said MIMO antenna system, obtaining transmit channel state information from a burst from a second communication unit;

predicting likely transmit channel state information for a plurality of time points in the future based at least in part on said obtained transmit channel state information;

generating a table of space time processing schemes based at least in part upon said transmit channel state information for a plurality of time points in the future, wherein each of said space time processing schemes is represented in the table by a matrix identifying one or more transmit antennas in said second communication unit for use in a subsequent transmission; and

sending said table to said second communication unit of said MIMO antenna system.

12. The method of claim 7 further comprising the following actions performed at said second communication unit of said MIMO antenna system:

selecting at least one of said space time processing schemes from said table; and

transmitting data based at least in part on control information in said selected space time processing scheme.

13. The method of claim 7 wherein said first communication unit is a receiver communicating on a reverse link channel, and said second communication unit is a transmitter communicating on a forward link channel.

14. A Multiple Input Multiple Output (MIMO) antenna system, said MIMO antenna system comprising:

a communication unit including:

a plurality of antennas:

a receive unit operable to receive a table of space time processing schemes and further operable to select one of said schemes from said table, wherein each of said schemes identifies one or more of said plurality of antennas for use in transmitting said data; and

a control unit operable to transmit data using said plurality of antennas according to said selected space time processing scheme.

15. The MIMO antenna system of claim 14 wherein each of said schemes is based upon predicted channel state information for said communication unit.

16. The MIMO antenna system of claim 14 wherein said communication unit is a MIMO transmitter operable to transmit said data on a forward link.

17. The MIMO antenna system of claim 14 wherein said receive unit is operable to select one of said schemes based upon a desired reliability value associated with said one of said schemes.

18. The MIMO antenna system of claim 14 wherein said receive unit is operable to select one of said schemes based upon a time offset from a reference time, said time offset associated with said one of said schemes.

19. A Multiple Input Multiple Output (MIMO) antenna system, said MIMO antenna system comprising:

a first communication unit including:

a plurality of antennas operable to receive transmissions from a corresponding MIMO second communication unit;

an estimation unit operable to estimate future channel state information from said transmissions, wherein said estimation unit is further operable to estimate future channel state information for a plurality of time points in the future;

a table unit operable to construct tables of control information entries, wherein each of said entries is based at least in part on said estimated future channel state information, and wherein said table unit is further operable to construct tables of control information entries arranged by said plurality of time points; and

a transmission unit operable to send said tables to said corresponding MIMO second communication unit.

20. The MIMO antenna system of claim 19 wherein said first communication unit is a MIMO receiver operable to send data bursts on a reverse link, and said second communication unit is a transmitter operable to communicate on a forward link.

21. The MIMO antenna system of claim 19 wherein said estimation unit is operable to generate a plurality of future channel state information entries, each of said future channel state information entries corresponding to a respective time offset from a reference time point and corresponding to a respective reliability value.

22. The MIMO antenna system of claim 21 wherein said table unit is operable to construct said tables indexed by respective reliability values.

23. The MIMO antenna system of claim 21 wherein said table unit is operable to construct said tables indexed by respective time offset.

24. The MIMO antenna system of claim 14 wherein said schemes each correspond to a respective time period;

wherein said table is organized by said respective time periods; and

wherein said receive unit is further operable to select said one of said schemes from said table based, at least in part, on its respective time period.