Remote spectrum analysis of transmit bands in communication systems

1. A system comprising:

one or more transmit circuits that are operable to process transmit signals for transmission over a transmit band;

a capturing circuit that is operable to:

capture a transmit band spectrum corresponding to said transmit band used in transmitting said transmit signals; and

generate a capture output comprising said captured transmit band spectrum;

one or more receive circuits that are operable to process receive signals originating from sources external to the system, wherein:

said receive signals are inputted into one of the one or more receive circuits; and

a receive circuit of the one or more receive circuits is configured to incorporate said capture output into said receive signals; and

a processing circuit that is operable to:

process a receive circuit output of said one or more receive circuits, said receive circuit output comprising said captured transmit band spectrum;

detect based on said processing of said receive circuit output, presence of adverse effects in said transmit band spectrum;

determine for each instance of detected adverse effects, one or more characteristics associated with said detected adverse effects; and

based on determined characteristics associated with said detected adverse effects, select and apply corrective measures directed to mitigating at least some of said adverse effects.

2. The system of claim 1 , wherein said processing circuit is operable to generate reporting information related to said detection of adverse effects and/or to said determined one or more characteristics associated with each instance of detected adverse effects to at least one remote system.

3. The system of claim 2 , wherein said one or more transmit circuits are operable to incorporate said reporting information into said transmit signals.

4. The system of claim 1 , wherein said processing circuit comprises a digital signal processor (DSP).

5. The system of claim 1 , wherein said capturing circuit comprises an attenuator that is operable to obtain an attenuated version of said transmit band spectrum.

6. The system of claim 1 , wherein one of said one or more transmit circuits comprises said capturing circuit.

7. The system of claim 6 , wherein said one of said one or more transmit circuits further comprises a programmable gain amplifier.

8. The system of claim 1 , wherein said one or more transmit circuits comprise a programmable gain amplifier circuit.

9. The system of claim 1 , wherein said processing circuit is configured for processing said captured transmit band spectrum incorporated in said output of said one or more receive circuits.

10. The system of claim 1 , wherein said one or more receive circuits comprise a match circuit.

11. The system of claim 1 , comprising a single transceiver chip; and

wherein at least one of said one or more transmit circuits and at least one of said one or more receive circuits are embedded within said single transceiver chip.

12. The system of claim 1 , wherein said one or more transmit circuits comprises a transmit (Tx) signal processing circuit.

13. The system of claim 1 , wherein said one or more transmit circuits comprises a digital-to-analog converter (DAC).

14. The system of claim 1 , wherein said one or more receive circuits comprises an amplifier circuit.

15. The system of claim 1 , wherein said one or more receive circuits comprises an analog-to-digital converter (ADC) circuit.

16. The system of claim 1 , wherein said one or more receive circuits comprises a fast Fourier Transform circuit.

17. The system of claim 1 , wherein said one or more receive circuits comprises a balance-to-unbalanced (balun) circuit.

18. A method comprising:

in a communication system that supports transmission of signals over a transmit band:

capturing a transmit band spectrum corresponding to said transmit band used in transmitting said signals;

generate a capture output comprising said captured transmit band spectrum;

generating a combined receive signal comprising said captured transmit band spectrum, said generating comprising incorporating said capture output into receive signals originating from sources external to said communication system;

processing said combined receive signal comprising said captured transmit band spectrum;

detecting based on said processing of said combined receive signal, presence of adverse effects in said transmit band spectrum;

determining for each instance of detected adverse effects, one or more characteristics associated with said detected adverse effects; and

based on determined characteristics associated with said detected adverse effects, selecting and applying corrective measures directed to mitigating at least some of said adverse effects.

19. The method of claim 18 , further comprising:

generating reporting information related to said detection of adverse effects and/or to said determined one or more characteristics associated with each instance of detected adverse effects; and

communicating said reporting information to at least one remote system.

20. The method of claim 18 , wherein capturing said transmit band spectrum comprises generating an attenuated version of said transmit band spectrum.