Leveraging secondary synchronization signal properties to improve synchronization signal detection

1. A method of synchronization signal correlation, comprising:

receiving a wireless communication comprising a synchronization signal on a plurality of receive antennas of a mobile communication device;

revising a first synchronization signal received on a first receive antenna;

revising a second synchronization signal received on a second receive antenna;

conditioning the first and second revised signals by constructively and destructively combining the first and second revised signals;

selecting an optimized conditioned signal from the conditioned first and second revised signals;

correlating the optimized conditioned signal with a series of candidate synchronization signals; and

selecting the correlation with a largest magnitude as a transmitted synchronization signal.

2. The method of claim 1 , wherein the synchronization signal is a Secondary Synchronization Signal, and wherein the Secondary Synchronization Signal is pursuant to 5G Standards for Physical Channels and Modulation Section 6.8.2.

3. The method of claim 1 , wherein the synchronization signal is a Binary Phase Shift Keying signal.

4. The method of claim 1 , further comprising revising the synchronization signals by element-wise squaring the synchronization signals.

5. The method of claim 1 , further comprising calculating a phase angle by element-wise squaring the synchronization signal and dividing a resulting doubled phase angle by two.

6. The method of claim 5 , further comprising calculating a complex coefficient by summing the element-wise squared synchronization signals.

7. The method of claim 6 , further comprising multiplying the synchronization signal with an inverse of a phase angle of the complex coefficient to obtain a channel and phase corrected synchronization signal with a 180-degree phase ambiguity.

8. The method of claim 1 , wherein the optimized conditioned signal is the constructive or destructive combination with a largest Euclidian norm.

9. The method of claim 1 , further comprising correlating the optimized conditioned signal with a series of candidate synchronization signals by performing an M-Sequence Transform on the constructive or destructive combination with a largest Euclidian norm.

10. The method of claim 9 , wherein the M-Sequence Transform is a Fast-Hadamard Transform.

11. The method of claim 9 , further comprising correlating the optimized conditioned signal by performing an M-Sequence transform, wherein a dot product of the optimized conditioned signal and the series of candidate synchronization signals is calculated.

12. A method of synchronization signal correlation, comprising:

receiving a wireless communication comprising a synchronization signal on a plurality of receive antennas of a mobile communication device;

performing a signal revision on the synchronization signal received on a first receive antenna;

performing the signal revision on the synchronization signal received on a second receive antenna;

conditioning the revised signals by constructively and destructively combining the revised signals;

correlating each of a plurality constructively and destructively combined revised signals with a series of candidate synchronization signals; and

selecting the correlation with a largest magnitude as a transmitted synchronization signal.

13. The method of claim 12 , wherein the signal revision further comprises:

performing an element-wise squaring of the synchronization signal;

calculating a complex coefficient by summing the element-wise squared synchronization signal;

estimating a phase angle of the complex coefficient; and

performing an element-wise phase correction of the synchronization signal.

14. A circuit arrangement for synchronization signal management, said circuit arrangement comprising

a plurality of antennas, configured to receive a wireless communication;

a receiver, configured to receive the wireless communication from the plurality of antennas and transmit the wireless communication for channel correction and phase estimation;

a channel correction circuit, configured to correct a channel of the wireless communication;

a phase estimation circuit, configured to calculate and correct a phase for the wireless communication; and

a transform circuit, configured to perform a synchronization signal correlation.

15. The circuit arrangement of claim 14 , further comprising the channel correction circuit performing a signal revision on a synchronization signal received on each receive antenna by element-wise squaring the synchronization signal.

16. The circuit arrangement of claim 14 , further comprising the transform circuit conditioning each phase-corrected synchronization signal by constructively and destructively combining phase corrected synchronization signals.

17. The circuit arrangement of claim 14 , further comprising the transform circuit correlating each conditioned signal with a series of candidate synchronization signals.

18. The circuit arrangement of claim 14 , further comprising the phase estimation circuit calculating the phase angle by element-wise squaring the synchronization signal and dividing a resulting doubled phase angle by two.

19. The circuit arrangement of claim 14 , further comprising the phase estimation circuit performing an element-wise phase correction of the synchronization signal by multiplying elements of the synchronization signal with an inverse of a phase angle of a complex coefficient obtained by summing an element-wise squaring the synchronization signal.

20. The circuit arrangement of claim 14 , further comprising the transform circuit correlating the optimized conditioned signal with a series of candidate synchronization signals by performing an M-Sequence Transform on the constructive or destructive combination with a largest Euclidian norm.