Methods and arrangements for spur estimation of a wireless communication packet

1. An apparatus for spur estimation of a wireless communication packet, the apparatus comprising:

a physical layer (PHY) device to receive an input signal output by a set of analog-to-digital converters;

to determine means of sequences for each of the analog-to-digital converters, wherein the sequences are from a preamble of the wireless communication packet;

to identify the means of a subset of the sequences with an average zero mean for each of the analog-to-digital converters;

and

to determine spur estimations for each of the analog-to-digital converters based upon a frequency offset estimation for the wireless communication packet and based upon the means of the subset of the sequences.

2. The apparatus of claim 1 , further comprising a processor, a memory coupled with the processor, a radio coupled with the PHY device, and one or more antennas coupled with the radio.

3. The apparatus of claim 1 , further comprising mean removal logic to remove a mean of the spur estimations from the spur estimations.

4. The apparatus of claim 3 , further comprising spur removal logic to remove the spur estimations from the packet.

5. The apparatus of claim 1 , wherein the subset of the sequences comprise a set of short training sequences with an average zero mean received after an acquisition (ACQ) logic detects a boundary of the sequences.

6. The apparatus of claim 5 , wherein the set of short training sequences comprises a Golay sequence Ga and a Golay sequence −Ga.

7. One or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one computer processor, enable the at least one computer processor to implement a method comprising:

receiving an input signal output by a set of analog-to-digital converters;

determining means of sequences for each of the analog-to-digital converters, wherein the sequences are from a preamble of the wireless communication packet;

identifying the means of a subset of the sequences with an average zero mean for each of the analog-to-digital converters; and

determining spur estimations for each of the analog-to-digital converters based upon a frequency offset estimation for the wireless communication packet and based upon the means of the subset of the sequences.

8. The storage media of claim 7 , wherein the method further comprises removing a mean of the spur estimations from the spur estimations.

9. The storage media of claim 8 , wherein the method further comprises removing the spur estimations from the packet.

10. The storage media of claim 7 , wherein the subset of the sequences comprise a set of short training sequences with an average zero mean received after an acquisition (ACQ) logic detects a boundary of the sequences.

11. The storage media of claim 10 , wherein the set of short training sequences comprises a Golay sequence Ga and a Golay sequence −Ga.

12. A method for spur estimation of a wireless communication packet, the method comprising:

receiving an input signal output by a set of analog-to-digital converters;

determining means of sequences for each of the analog-to-digital converters, wherein the sequences are from a preamble of the wireless communication packet;

identifying the means of a subset of the sequences with an average zero mean for each of the analog-to-digital converters; and

determining spur estimations for each of the analog-to-digital converters based upon a frequency offset estimation for the wireless communication packet and based upon the means of the subset of the sequences.

13. The method of claim 12 , further comprising removing a mean of the spur estimations from the spur estimations.

14. The method of claim 13 , further comprising removing the spur estimations from the packet.

15. The method of claim 12 , wherein the subset of the sequences comprise a set of short training sequences with an average zero mean received after an acquisition (ACQ) logic detects a boundary of the sequences.

16. The method of claim 15 , wherein the set of short training sequences comprises a Golay sequence Ga and a Golay sequence −Ga.

17. A system for spur estimation of a wireless communication packet, the system comprising:

a processor;

a memory coupled with the processor;

a radio comprising a set of analog-to-digital converters; a physical layer (PHY) device to receive an input signal output by the set of analog-to-digital converters; to determine means of sequences for each of the analog-to-digital converters, wherein the sequences are from a preamble of the wireless communication packet; to identify the means of a subset of the sequences with an average zero mean for each of the analog-to-digital converters; and to determine spur estimations for each of the analog-to-digital converters based upon a frequency offset estimation for the wireless communication packet and based upon the means of the subset of the sequences; and

one or more antennas coupled with the radio to receive the packet.

18. The system of claim 17 , wherein the radio comprises mean removal logic to remove a mean of the spur estimations from the spur estimations.

19. The system of claim 18 , wherein the radio comprises spur removal logic to remove the spur estimations from the packet.

20. The system of claim 17 , wherein the subset of the sequences comprise a set of short training sequences with an average zero mean received after an acquisition (ACQ) logic detects a boundary of the sequences.

21. The system of claim 20 , wherein the set of short training sequences comprises a Golay sequence Ga and a Golay sequence −Ga.