Hybrid DSL system for transmission of hybrid DSL data via a subscriber access line in order to increase the overall data transmission rate of both transceivers

1. Hybrid DSL system for transmission of hybrid DSL data via a subscriber access line, having:

a) a baseband transceiver for transmission of first data in a base frequency band via the subscriber access line at a first data transmission rate,

b) a non-baseband transceiver for transmission of second data in a non-base frequency band via the subscriber access line at a second data transmission rate, and having

c) a data link for interchanging parameters between the baseband transceiver and the non-baseband transceiver in order to increase the overall data transmission rate of both transceivers.

2. Hybrid DSL system according to claim 1 , wherein the first data is speech data.

3. Hybrid DSL system according to claim 1 , wherein the overall data transmission rate is the sum of the first data transmission rate and of the second data transmission rate.

4. Hybrid DSL system according to claim 1 , wherein the baseband transceiver and the non-baseband transceiver are connected to a controller.

5. Hybrid DSL system according to claim 4 , wherein the baseband transceiver, the non-baseband transceiver and the controller form a control loop.

6. Hybrid DSL system according to claim 4 , wherein the data link for interchanging parameters is formed by a connection from the baseband transceiver to the controller, and by a connection from the non-baseband transceiver to the controller.

7. Hybrid DSL system according to claim 1 , wherein the baseband transceiver and the non-baseband transceiver are integrated.

8. Hybrid DSL system according to claim 4 , wherein the baseband transceiver, the non-baseband transceiver and the controller are integrated.

9. Hybrid DSL system according to claim 1 , wherein the subscriber access line is intended for the transmission of hybrid DSL data in a bundle of two or more subscriber access lines for transmission of at least one data stream.

10. Hybrid DSL system according to claim 1 , wherein the data link is an interface between the two transceivers.

11. Hybrid DSL system according to claim 10 , wherein the data link is a serial interface between the two transceivers.

12. Hybrid DSL system according to claim 10 , wherein the data link is a parallel interface between the two transceivers.

13. Hybrid DSL system according to claim 1 , wherein the transmission power of the baseband transceiver is adjustable so as to reduce the interference load for the subscriber access line for transmission of hybrid DSL data.

14. Hybrid DSL system according to claim 13 , wherein the transmission power of the baseband transceiver is adjustable so as to increase the second data transmission rate of the non-baseband transceiver.

15. Hybrid DSL system according to claim 1 , wherein the transmission power of the baseband transceiver is adjustable so as to reduce the interference load for the bundle of two or more subscriber access lines for transmission of at least one data stream.

16. Hybrid DSL system according to claim 1 , wherein the transmission power of the non-baseband transceiver is adjustable so as to reduce the interference load for the subscriber access line for transmission of the hybrid DSL data.

17. Hybrid DSL system according to claim 16 , wherein the transmission power of the non-baseband transceiver is adjustable so as to increase the first data transmission rate of the baseband transceiver.

18. Hybrid DSL system according to claim 1 , wherein the transmission power of the non-baseband transceiver is adjustable so as to reduce the interference load for the bundle of two or more subscriber access lines for transmission of at least one data stream.

19. Hybrid DSL system according to claim 1 , wherein the baseband transceiver is an ISDN transceiver.

20. Hybrid DSL system according to claim 1 , wherein the non-baseband transceiver is an xDSL transceiver.

21. Hybrid DSL system according to claim 20 , wherein the xDSL transceiver is an ADSL transceiver.

22. Hybrid DSL system according to claim 20 , wherein the xDSL transceiver is a VDSL transceiver.

23. Hybrid DSL system according to claim 1 , wherein the parameters which are interchanged between the baseband transceiver and the non-baseband transceiver include both line parameters for the subscriber access lines and status parameters for the two transceivers.

24. Hybrid DSL system according to claim 23 , wherein the line parameters include the channel attenuation on the subscriber access line, the signal-to-noise ratio on the subscriber access line, and interference parameters for the bundle of two or more subscriber access lines.

25. Hybrid DSL system according to claim 23 , wherein the status parameters include an activation state of the baseband transceiver, an activation state of the non-baseband transceiver, a block error rate for the baseband transceiver, a block error rate for the non-baseband transceiver, bandwidth setting parameters for the baseband transceiver, and bandwidth setting parameters for the non-baseband transceiver.

26. Hybrid DSL system according to claim 1 , wherein a splitter is connected to the baseband transceiver and to the non-baseband transceiver, and separates the base frequency band of the baseband transceiver and the non-base frequency band of the non-baseband transceiver.

27. Hybrid DSL system according to claim 26 , wherein the splitter is a first-order filter system.

28. Hybrid DSL system according to claim 27 , wherein the baseband transceiver, the non-baseband transceiver, and the splitter is are integrated on a common assembly.

29. Hybrid DSL system according to claim 27 , wherein the baseband transceiver and the non-baseband transceiver are connected to a controller, and the splitter, the controller, the baseband transceiver and the non-baseband transceiver are integrated on a common assembly.

30. Hybrid DSL system according to claim 1 , wherein the hybrid DSL system is provided in a subscriber terminal device.

31. Hybrid DSL system according to claim 1 , wherein the hybrid DSL system is provided in a subscriber switching center.

32. Hybrid DSL system according to claim 1 , wherein the hybrid DSL system is in each case provided in a subscriber terminal device and in a subscriber switching center, with the subscriber terminal device being connected to the subscriber switching center by means of a common subscriber access line.

33. Method for transmission of hybrid DSL data via a subscriber access line, having the following steps:

a) transmitting of first data in a base frequency band via the subscriber access line at a first data transmission rate by means of a baseband transceiver;

b) transmitting of second data in non-base frequency band via the subscriber access line at a second data transmission rate by means of a non-baseband transceiver; and

c) optimizing of the overall data transmission rate of both transceivers as a function of parameters which are interchanged via a data link between the baseband transceiver and the non-baseband transceiver.