METHOD AND SYSTEM FOR GAIN CONTROL FOR TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTOR (ADC)

• US 20160204883A1
• Filed: 03/22/2016
• Published: 07/14/2016
• Est. Priority Date: 07/11/2012
• Status: Active Grant

• Current Assignee: Maxlinear Incorporated
• Original Assignee: Maxlinear Incorporated
• Inventors: Pullela, Raja, Ling, Curtis
• Granted Patent: US 9,768,796 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H03M 1/12 Analogue/digital converters H03M1/001 – H03M1/10 take precedence
• CPC Class Codes: H03M 1/1215 using time-division multiplexing
• CPC Class Codes: H03M 1/185 the determination of the range being based on more than one digital output value, e.g. on a running average, a power estimation or the rate of change
• CPC Class Codes: H03M 1/50 with intermediate conversion to time interval H03M1/64 takes precedence
• CPC Class Codes: H04B 17/21 for calibration; for correcting measurements
• CPC Class Codes: H04B 17/24 with feedback of measurements to the transmitter

Abstract

Method and systems are provided for controlling adjustments of reception functions. Communication links may be setup between a transmitter and a receiver along with sideband control channels. Conditions and/or parameters, affecting estimated performance of reception, via the communication links, at the receiver, may then be monitored at the transmit-side, and information relating to the monitored conditions may then be communicated, via the sideband control channels, to enable adjusting reception related functions at the receiver. The reception related functions comprise analog-to-digital conversion, which may be configured to function in an interleaved manner

Claims

1-20. -20. (canceled)

21. A system comprising:

a transmitter comprising one or more circuits that are operable to;

set up one or more communication links to a receiver, for use in communicating data to the receiver;

set up one or more sideband control channels to the receiver;

monitor conditions and/or parameters affecting estimated reception performance at the receiver, via the one or more communication links; and

communicate to the receiver, via the one or more sideband control channels, information relating to the monitored conditions, to enable adjusting reception related functions at the receiver.

22. The method of claim 21, wherein the reception performance comprises one or both of distortion and errors.

23. The method of claim 21, wherein the monitored conditions relate to narrowband interferers and/or blockers.

24. The method of claim 23, wherein the monitored conditions comprise occurrence of peaks in said narrowband interferers and/or blockers.

25. A system comprising:

a receiver comprising one or more circuits that are operable to;

set up one or more communication links to a transmitter, for use in communicating data between the receiver and the transmitter;

set up one or more sideband control channels to the transmitter;

receive from the transmitter, via the one or more sideband control channels, information relating to conditions monitored at the transmitter, wherein the monitored conditions allow estimation of, at the transmitter, reception performance at the receiver of the one or more communication links; and

control based on the received information, at least one reception related function in the receiver.

26. The system of claim 25, wherein the one or more circuits are operable to determine, based on the received information, one or more adjustments to the at least one reception related function or to a related parameter.

27. The system of claim 25, wherein the at least one reception related function comprises analog-to-digital conversion.

28. The system of claim 27, wherein the analog-to-digital conversion is configured to function in an interleaved manner.

29. The system of claim 27, wherein the one or more circuits are operable to apply, in conjunction with the analog-to-digital conversion, gain to at least a portion of signals received via the one or more communication links.

30. The system of claim 29, wherein the one or more circuits are operable to adjust the gain based on the received information.

31. The system of claim 30, wherein:

the analog-to-digital conversion is applied via a plurality of slices;

the one or more circuits are operable to apply separate gain in each of the plurality of the slices; and

the one or more circuits are operable to adjust gain for each of the plurality of the slices independently, collectively, and/or based on grouping of the slices into subsets.

32. A method comprising:

in a first electronic device;

setting up one or more communication links to a second electronic device, for use in communicating data to the second electronic device;

setting up one or more sideband control channels to the second electronic device;

monitoring conditions and/or parameters affecting estimated reception performance, at the second electronic device, via the one or more communication links; and

communicating to the second electronic device, via the one or more sideband control channels, information relating to the monitored conditions, to enable adjusting reception related functions at the second electronic device.

33. The method of claim 32, wherein the reception performance comprise one or both of distortion and errors.

34. The method of claim 32, wherein the monitored conditions relate to narrowband interferers and/or blockers.

35. The method of claim 34, wherein the monitored conditions comprise occurrence of peaks in said narrowband interferers and/or blockers.

36. The method of claim 32, comprising controlling based on the received information, at least one reception related function in the second electronic device.

37. The method of claim 36, comprising determining in the second electronic device, based on the received information, one or more adjustments to the at least one reception related function or to a related parameter.

38. The method of claim 36, wherein the at least one reception related function comprises analog-to-digital conversion.

39. The method of claim 38, comprising:

applying in the second electronic device, in conjunction with the analog-to-digital conversion, gain to at least a portion of signals received via the one or more communication links; and

adjusting the gain based on the received information.

40. The method of claim 38, comprising:

applying in the second electronic device, the analog-to-digital conversion via a plurality of slices;

applying separate gain in each of the plurality of the slices; and

determining gain adjustment for each of the plurality of the slices independently, collectively, and/or based on grouping of the slices into subsets.