Method and system for communication spectral backward compatibility

1. A multiple generation communications device comprising:

a signal generator, generating a second generation bandwidth Baseband signal;

a memory element;

a controller;

a switch, coupled with said controller, said signal generator and said memory element;

a carrier signal generator, providing a second generation carrier signal;

a modulator, coupled with said switch and said carrier signal generator,

wherein said memory element contains a shaped copy of a first generation format Baseband signal, shaped so as to recreate said first generation format Baseband signal when modulated with said second generation carrier signal and demodulated with respect to a first generation carrier signal.

2. The multiple generation communications device, according to claim 1 , wherein said shaped copy of a first generation format Baseband signal, is at least a portion of a first generation format header instructing first generation devices to ignore any remaining transmitted data.

3. The multiple generation communications device, according to claim 2 , wherein said shaped copy of a first generation format Baseband signal, is a predetermined first generation format signal intended for first generation devices.

4. The multiple generation communications device, according to claim 2 , wherein said switch prepends said at least a portion of a first generation format header to said second generation bandwidth Baseband signal, thereby producing a pre-modulated second generation transmission signal when transmitting to second generation devices, in the presence of said first generation devices.

5. The multiple generation communications device, according to claim 3 , wherein said switch provides said shaped copy of a first generation format Baseband signal, producing a pre-modulated first generation transmission signal, when transmitting said predetermined first generation format signal to said first generation devices.

6. The multiple generation communications device, according to claim 4 , wherein said modulator modulates said pre-modulated second generation transmission signal, with said second generation carrier signal, thereby producing a transmission signal.

7. The multiple generation communications device, according to claim 5 , wherein said modulator modulates said pre-modulated first generation transmission signal, with said second generation carrier signal, thereby producing a transmission signal.

8. The multiple generation communications device, according to claim 1 , further comprising a communication interface, coupled with said modulator, said communication interface providing said transmission signal to a network.

9. The multiple generation communications device according to claim 1 , wherein said second generation bandwidth Baseband signal is in digital format.

10. The multiple generation communications device according to claim 1 , wherein said second generation bandwidth Baseband signal is in analog format.

11. The multiple generation communications device according to claim 1 , wherein said shaped copy of a first generation format signal is in digital format.

12. The multiple generation communications device according to claim 1 , wherein said shaped copy of a first generation format signal is in analog format.

13. The multiple generation communications device according to claim 1 , wherein said second generation carrier signal is in digital format.

14. The multiple generation communications device according to claim 1 , wherein said second generation carrier signal is in analog format.

15. The multiple generation communications device according to claim 1 , wherein said communication interface is further coupled with a wired network.

16. The multiple generation communications device according to claim 1 , wherein said communication interface is further coupled with a wireless network.

17. A multiple generation communications network architecture comprising:

a network;

at least one first generation communications device, coupled with said network; and

at least one second generation communications device, coupled with said network,

wherein at least one of said at least one second generation communications device comprises:

a signal generator, generating a second generation bandwidth Baseband signal;

a memory element;

a switch, coupled with said controller, said first signal generator and said memory element;

a carrier signal generator, providing a second generation carrier signal;

a modulator, coupled with said switch and said carrier signal generator,

wherein said memory element contains a shaped copy of a first generation format Baseband signal, shaped so as to recreate said first generation format Baseband signal when modulated with said second generation carrier signal and demodulated with respect to a first generation carrier signal.

18. The multiple generation communications network according to claim 17 , wherein said network is a wired network.

19. The multiple generation communications network according to claim 17 , wherein said network is a wireless network.

20. A multiple generation communications device comprising:

means for generating a second generation bandwidth Baseband signal;

means for storing;

means for controlling;

means for switching, coupled with said means for controlling, said means for generating a second generation bandwidth Baseband signal and said means for storing;

means for generating a carrier signal, providing a second generation carrier signal;

means for modulating, coupled with said means for switching and said means for generating a carrier signal, wherein said means for storing contains a shaped copy of a first generation format Baseband signal, shaped so as to recreate said first generation format Baseband signal when modulated with said second generation carrier signal and demodulated with respect to a first generation carrier signal.

21. The multiple generation communications device, according to claim 20 , wherein said shaped copy of a first generation format Baseband signal, is at least a portion of a first generation format header instructing first generation devices to ignore any remaining transmitted data.

22. The multiple generation communications device, according to claim 20 , wherein said shaped copy of a first generation format Baseband signal, is a predetermined first generation format signal intended for first generation devices.

23. The multiple generation communications device, according to claim 21 , wherein said means for switching prepends said at least a portion of a first generation format header to said second generation bandwidth Baseband signal, thereby producing a pre-modulated second generation transmission signal, when transmitting to second generation devices, in the presence of said first generation devices.

24. The multiple generation communications device, according to claim 22 , wherein said means for switching provides said shaped copy of a first generation format Baseband signal, thereby producing a pre-modulated first generation transmission signal, when transmitting said predetermined first generation format signal to said first generation devices.

25. The multiple generation communications device, according to claim 23 , wherein said means for modulating modulates said pre-modulated second generation transmission signal, with said second generation carrier signal, thereby producing a transmission signal.

26. The multiple generation communications device, according to claim 24 , wherein said means for modulating modulates said pre-modulated first generation transmission signal, with said second generation carrier signal, thereby producing a transmission signal.

27. The multiple generation communications device, according to claim 20 , further comprising a means for communicating with a network, coupled with said means for modulating, said means for communicating with a network providing said transmission signal to a network.