IP Library › Granted Patent US 12665682
Granted Patent B2
US 12665682 · App. 18/341,526 · Granted Jun 23, 2026

Calibration of non-co-located polarized antenna arrays

Inventors: Vasanthan Raghavan (West Windsor Township, NJ); Kobi Ravid (Closter, NJ); Junyi Li (Fairless Hills, PA)
Assignee: QUALCOMM Incorporated
H04B17/11H01Q21/24H04B17/309
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Quick Facts
Patent No.
US 12665682
App. No.
18/341,526
Granted
Jun 23, 2026
Kind
B2
Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first wireless communication device may transmit, to a second wireless communication device, capability information including an indication of a type of calibration associated with a non-co-located dual-polarized antenna array of the first wireless communication device. The first wireless communication device may communicate, using the non-co-located dual polarized antenna array, based at least in part on the calibration associated with the non-co-located dual polarized antenna array. Numerous other aspects are described.

Claims (58)

1 . A first wireless communication device for wireless communication, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured to:

transmit, to a second wireless communication device, capability information including an indication of a type of calibration associated with a non-co-located dual-polarized antenna array of the first wireless communication device, the non-co-located dual-polarized antenna array including a first polarized array having a first polarization and a second polarized array having a second polarization different than the first polarization; and

communicate, using the non-co-located dual-polarized antenna array, based at least in part on the calibration associated with the non-co-located dual-polarized antenna array.

2 . The first wireless communication device of claim 1 , wherein the capability information further includes an indication that the first wireless communication device includes the non-co-located dual-polarized antenna array.

3 . The first wireless communication device of claim 1 , wherein the indication of the type of the calibration indicates that the calibration is an offline calibration that has already been performed, an online calibration to be performed in mission-mode operations, or a mixed offline and online calibration.

4 . The first wireless communication device of claim 1 , wherein the indication of the type of the calibration indicates that the calibration is a separate calibration of polarized arrays of the non-co-located dual-polarized antenna array, a common calibration of the polarized arrays of the non-co-located dual-polarized antenna array, or a full-duplexed calibration of the polarized arrays of the non-co-located dual-polarized array.

5 . The first wireless communication device of claim 1 , wherein the one or more processors are further configured to:

transmit, to the second wireless communication device, an indication of a performance loss relative to an optimal beam correspondence associated with the calibration.

6 . The first wireless communication device of claim 1 , wherein the one or more processors are further configured to:

receive, from the second wireless communication device, calibration assistance information associated with the type of the calibration indicated by the indication.

7 . The first wireless communication device of claim 6 , wherein the one or more processors are further configured to:

perform at least a portion of the calibration associated with the non-co-located dual-polarized antenna array based at least in part on the calibration assistance information.

8 . The first wireless communication device of claim 6 , wherein the calibration assistance information indicates resources associated with one or more reference signals to be used to perform the calibration.

9 . The first wireless communication device of claim 8 , wherein the one or more processors are further configured to:

perform at least a portion of the calibration associated with the non-co-located dual-polarized antenna array based at least in part on the one or more reference signals.

10 . The first wireless communication device of claim 6 , wherein the one or more processors, to receive the calibration assistance information, are configured to:

receive the calibration assistance information based at least in part on the indication of the type of the calibration predicating that the calibration is an online calibration or a mixed offline and online calibration.

11 . The first wireless communication device of claim 6 , wherein the one or more processors are further configured to:

transmit, to the second wireless communication device, a request for calibration assistance, wherein receiving the calibration assistance information comprises receiving the calibration assistance information based at least in part on the request for calibration assistance.

12 . The first wireless communication device of claim 6 , wherein the one or more processors are further configured to:

transmit, to the second wireless communication device, an indication of a performance loss relative to an optimal beam correspondence associated with the calibration, wherein receiving the calibration assistance information comprises receiving the calibration assistance information based at least in part on the indication of the performance loss relative to the optimal beam correspondence associated with the calibration satisfying a threshold.

13 . A second wireless communication device for wireless communication, comprising:

one or more memories; and

one or more processors, coupled to the one or more memories, configured to:

receive, from a first wireless communication device, capability information including an indication of a type of calibration associated with a non-co-located dual-polarized antenna array of the first wireless communication device, the non-co-located dual-polarized antenna array including a first polarized array having a first polarization and a second polarized array having a second polarization different than the first polarization; and

communicate with the first wireless communication based at least in part on the calibration associated with the non-co-located dual-polarized antenna array of the first wireless communication device.

14 . The second wireless communication device of claim 13 , wherein the capability information further includes an indication that the first wireless communication device includes the non-co-located dual-polarized antenna array.

15 . The second wireless communication device of claim 13 , wherein the indication of the type of the calibration indicates that the calibration is an offline calibration that has already been performed, an online calibration to be performed in mission-mode operations, or a mixed offline and online calibration.

16 . The second wireless communication device of claim 13 , wherein the indication of the type of the calibration indicates that the calibration is a separate calibration of polarized arrays of the non-co-located dual-polarized antenna array, a common calibration of the polarized arrays of the non-co-located dual-polarized antenna array, or a full-duplexed calibration of the polarized arrays of the non-co-located dual-polarized antenna array.

17 . The second wireless communication device of claim 13 , wherein the one or more processors are further configured to:

receive, from the first wireless communication device, an indication of a performance loss relative to an optimal beam correspondence associated with the calibration.

18 . The second wireless communication device of claim 13 , wherein the one or more processors are further configured to:

transmit, to the first wireless communication device, calibration assistance information associated with the type of the calibration indicated by the indication.

19 . The second wireless communication device of claim 18 , wherein the calibration assistance information indicates resources associated with one or more reference signals to be used to perform the calibration.

20 . The second wireless communication device of claim 18 , wherein the one or more processors, to transmit the calibration assistance information, are configured to:

transmit the calibration assistance information based at least in part on the indication of the type of the calibration predicating that the calibration is an online calibration or a mixed offline and online calibration.

21 . The second wireless communication device of claim 18 , wherein the one or more processors are further configured to:

receive, from the first wireless communication device, a request for calibration assistance, wherein transmitting the calibration assistance information comprises transmitting the calibration assistance information based at least in part on the request for calibration assistance.

22 . The second wireless communication device of claim 18 , wherein the one or more processors are further configured to:

receive, from the first wireless communication device, an indication of a performance loss relative to an optimal beam correspondence associated with the calibration, wherein transmitting the calibration assistance information comprises transmitting the calibration assistance information based at least in part on the indication of the performance loss relative to the optimal beam correspondence associated with the calibration satisfying a threshold.

23 . A method of wireless communication performed by a first wireless communication device, comprising:

transmitting, to a second wireless communication device, capability information including an indication of a type of calibration associated with a non-co-located dual-polarized antenna array of the first wireless communication device, the non-co-located dual-polarized antenna array including a first polarized array having a first polarization and a second polarized array having a second polarization different than the first polarization; and

communicating, using the non-co-located dual-polarized antenna array, based at least in part on the calibration associated with the non-co-located dual-polarized antenna array.

24 . The method of claim 23 , wherein the indication of the type of the calibration indicates that the calibration is an offline calibration that has already been performed, an online calibration to be performed in mission-mode operations, or a mixed offline and online calibration.

25 . The method of claim 23 , wherein the indication of the type of the calibration indicates that the calibration is a separate calibration of polarized arrays of the non-co-located dual-polarized antenna array, a common calibration of the polarized arrays of the non-co-located dual-polarized antenna array, or a full-duplexed calibration of the polarized arrays of the non-co-located dual-polarized array.

26 . The method of claim 23 , further comprising:

transmitting, to the second wireless communication device, an indication of a performance loss relative to an optimal beam correspondence associated with the calibration.

27 . The method of claim 23 , further comprising:

receiving, from the second wireless communication device, calibration assistance information associated with the type of the calibration indicated by the indication; and

performing at least a portion of the calibration associated with the non-co-located dual-polarized antenna array based at least in part on the calibration assistance information.

28 . The method of claim 27 , wherein the calibration assistance information indicates resources associated with one or more reference signals to be used to perform the calibration.

29 . The method of claim 27 , further comprising:

transmitting, to the second wireless communication device, a request for calibration assistance, wherein receiving the calibration assistance information comprises receiving the calibration assistance information based at least in part on the request for calibration assistance.

30 . A method of wireless communication performed by a second wireless communication device, comprising:

receiving, from a first wireless communication device, capability information including an indication of a type of calibration associated with a non-co-located dual-polarized antenna array of the first wireless communication device, the non-co-located dual-polarized antenna array including a first polarized array having a first polarization and a second polarized array having a second polarization different than the first polarization; and

communicating with the first wireless communication based at least in part on the calibration associated with the non-co-located dual-polarized antenna array of the first wireless communication device.