1. A base station forming part of a cellular communications system, the base station comprising: a reference signal generator to provide a dedicated reference signal to be transmitted over plural antennas to a dedicated user device in a cellular reception area; a boost selector to select a dedicated boost level that is specific for said dedicated reference signal; and a transmitter to transmit the dedicated reference signal boosted by its dedicated boost level to said user device.

2. The base station according to claim 1, wherein said boost selector comprises a boost level setter to set said boost level to generate a predetermined demodulation penalty when a transmitted signal is demodulated by said dedicated user device,

3. The base station according to claim 2, wherein said demodulation penalty is a function of a channel estimation processing gain plus said boost level.

4. The base station according to claim 1, wherein said boost selector comprises a boost level setter to predefine a set of boost levels associated with modulation and coding scheme values and to select a boost level based on a currently selected modulation and coding scheme.

5. The base station according to claim 1, wherein said boost selector comprises a boost level setter to predefine a set of boost levels and to select an appropriate boost level.

6. The base station according to claim 1, wherein said boost level is a downboost level.

7. The base station according to claim 1, wherein said cellular communications system is an LTE communications system and said boost level changes the power level of said dedicated reference signal with respect to a transmitted data signal.

8. A method for a user equipment device of a cellular communications system, the method comprising: receiving a dedicated reference signal transmitted by a base station, said dedicated reference signal having been boosted by a dedicated boost level specific to said user device; determining said dedicated boost level; and demodulating a data signal from said base station using said dedicated boost level and a channel estimation value.

9. The method according to claim 8, wherein said determining comprises: estimating a channel estimate from said reference signal; and inferring said boost level from a predefined demodulation penalty which is a function of a gain produced by said channel estimate plus said boost level

10. The method according to claim 8, wherein said determining comprises receiving a modulation and coding scheme value and setting said boost level to a boost level associated with said received modulation and coding scheme value

11. The method according to claim 8, wherein said determining comprises: estimating the boost level as a function of a measured power ratio between received data signals and reference signals; and selecting said boost level to be a boost level, from among a set of predefined boost levels, whose value is closest to the magnitude of the measured power ratio

12. The method according to claim 8, wherein said determining comprises: providing each of a set of predefined boost levels to a data demodulator; and selecting the boost level which minimizes demodulation errors of said data demodulator

13. The method according to claim 8, wherein said boost level is a downboost level

14. A user equipment device forming part of a cellular communications system, the device comprising: a receiver to receive a dedicated reference signal transmitted by a base station, said dedicated reference signal having been boosted by a dedicated boost level specific to said user device; a boost determiner to determine said dedicated boost level ; and a data demodulator to demodulate a data signal from said base station using said boost level and a channel estimation value.

15. The device according to claim 14, wherein said determiner comprises: an estimator to estimate a channel estimate from said reference signal; and an analyzer to infer said boost level from a predefined demodulation penalty which is a function of a gain produced by said channel estimate plus said boost level

16. The device according to claim 14, wherein said determiner comprises a receiver to receive a modulation and coding scheme value and a boost level setter to set said boost level to a boost level associated with said received modulation and coding scheme value

17. The device according to claim 14, wherein said determiner comprises: an estimator to estimate the boost level as a function of a measured power ratio between received data signals and reference signals; and a boost selector to select said boost level to be a boost level, from among a set of predefined boost levels, whose value is closest to the magnitude of the measured power ratio

18. The device according to claim 14, wherein said determiner comprises: a unit to provide each of a set of predefined boost levels to said data demodulator; and a selector to select the boost level which minimizes demodulation errors of said data demodulator

19. The device according to claim 14, wherein said boost level is a downboost level.

20. The device according to claim 14, wherein said cellular communications system is an LTE communications system and said boost level changes the power level of said dedicated reference signal with respect to a transmitted data signal.']