Granted Patent B2

US 12,556,895 · App. 19/297,939 · Granted Feb 17, 2026

Inventor: Peter D. Karabinis (Cary, NC)

H04W4/40H04L5/0055H04L5/04H04L27/2636H04W4/44H04W8/24H04L27/2626

Abstract

Claims (96)

1 . A first device that is associated with a cellular system and is configured to communicate with a second device that is associated with the cellular system while being subjected to a time-varying, dispersive, multipath fading environment; the first device comprising an antenna system that comprises a first polarization and a second polarization that differ from one another; wherein the first device is further configured to reduce an interference between the first polarization and the second polarization caused by said time-varying, dispersive, multipath fading environment while using the first polarization and the second polarization to increase a transmission throughput of information and/or a reception throughput of information; wherein the first device is further configured to perform operations comprising:

receiving a first signal on said first polarization comprising a first dependency on a first waveform and on a second waveform that have been transmitted by an antenna system of said second device; while co-frequency and concurrently in time with said receiving a first signal, receiving a second signal on said second polarization comprising a second dependency on the first waveform and on the second waveform that have been transmitted by the antenna system of said second device;

performing a first operation and a second operation on the first signal and second signal, respectively, using a first receive channel coefficient, a second receive channel coefficient, a third receive channel coefficient and a fourth receive channel coefficient; and

forming a first processed signal and a second processed signal;

wherein the first processed signal comprises a reduced level of the second waveform compared to a level of the second waveform that is included in the first signal;

wherein the second processed signal comprises a reduced level of the first waveform compared to a level of the first waveform that is included in the second signal;

wherein said first receive channel coefficient relates to propagation of said first waveform from the antenna system of said another device to said first polarization;

wherein the second receive channel coefficient relates to propagation of said first waveform from the antenna system of said another device to said second polarization;

wherein the third receive channel coefficient relates to propagation of said second waveform from the antenna system of said another device to said first polarization; and

wherein the fourth receive channel coefficient relates to propagation of said second waveform from the antenna system of said another device to said second polarization.

2 . The first device of claim 1 ,

wherein the first polarization comprises a linear polarization and the second polarization comprises a linear polarization; and

wherein a spatial discrimination between the first polarization and the second polarization comprises an angle of at least 45 degrees.

3 . The first device of claim 1 , wherein the first polarization comprises a circular polarization and/or the second polarization comprises a circular polarization.

4 . The first device of claim 1 , wherein the operations further comprise:

using the first polarization and the second polarization and transmitting a first transmit signal and a second transmit signal, respectively, co-frequency with one another and substantially concurrently in time with one another.

5 . The first device of claim 4 , wherein said first transmit signal or said second transmit signal comprises a dependence on at least one transmit channel coefficient of a plurality of transmit channel coefficients.

6 . The first device of claim 4 , wherein said first transmit signal comprises a dependence on the second transmit signal and on at least one transmit channel coefficient of a plurality of transmit channel coefficients.

7 . The first device of claim 1 ,

wherein the first device and the second device comprise a smartphone and a base station, respectively; or

wherein the first device and the second device comprise a base station and a smartphone, respectively.

8 . The first device of claim 1 , wherein the operations further comprise:

using a plurality of transmission paths;

transmitting information to the second device by transmitting first data over a first transmission path of the plurality of transmission paths;

transmitting information to the second device by transmitting second data over a second transmission path of the plurality of transmission paths; and

causing the second device to aggregate the first data with the second data that is received thereat via the first transmission path and the second transmission path respectively;

wherein the first transmission path is different and physically distinct from the second transmission path;

wherein said transmitting information to the second device by transmitting first data over a first transmission path comprises wirelessly transmitting information using a first set of frequencies and a first air interface; and further comprises transmitting the first data to a first intermediary device first, followed by the first intermediary device relaying the first data to the second device;

wherein said transmitting information to the second device by transmitting second data over a second transmission path comprises wirelessly transmitting information using a second set of frequencies that differs from the first set of frequencies and/or a second air interface that differs from the first air interface; and further comprises transmitting the second data to a second intermediary device first, followed by the second intermediary device relaying the second data to the second device;

wherein said transmitting information to the second device by transmitting first data over a first transmission path; and said transmitting information to the second device by transmitting second data over a second transmission path occur concurrently in time with one another; or sequentially in time with one another; and

wherein the first intermediary device is distinct, different and at a distance from the second intermediary device.

9 . The first device of claim 8 ,

wherein the first set of frequencies comprises licensed frequencies; and

wherein the second set of frequencies comprises unlicensed frequencies.

10 . The first device of claim 9 , wherein said unlicensed frequencies comprise WiFi frequencies and/or microwave frequencies.

11 . The first device of claim 9 ,

wherein the first set of frequencies comprise 5G frequencies and the first air interface comprises a 5G air interface; and

wherein the second set of frequencies comprise WiFi frequencies and the second air interface comprises a WiFi air interface.

12 . The first device of claim 1 , wherein the operations further comprise:

transmitting information to a repeater; and

causing the repeater to retransmit the information.

13 . The first device of claim 1 , wherein the operations further comprise:

communicating directly with another device that is devoid of at least some base station functionality or comprises the at least some base station functionality.

14 . The first device of claim 1 , wherein the operations further comprise:

using frequencies of a first frequency band concurrently with frequencies of a second frequency band and communicating with the second device by transmitting a first carrier and a second carrier, respectively, concurrently with one another.

15 . The first device of claim 14 ,

wherein the first carrier comprises subcarriers of a 5G carrier; and

wherein the second carrier comprises subcarriers of a 4G carrier or subcarriers of a 5G carrier.

16 . A communications method comprising using a first device that is associated with a cellular system and is configured to communicate with a second device that is also associated with the cellular system while being subjected to a time-varying, dispersive, multipath fading environment; the first device comprising an antenna system that comprises a first polarization and a second polarization that differ from one another; wherein the first device is further configured to reduce an interference between the first polarization and the second polarization caused by said time-varying, dispersive, multipath fading environment while using the first polarization and the second polarization to increase a transmission throughput of information and/or a reception throughput of information; the communications method comprising:

receiving a first signal on said first polarization comprising a first dependency on a first waveform and on a second waveform that have been transmitted by an antenna system of said second device; while co-frequency and concurrently in time with said receiving a first signal, receiving a second signal on said second polarization comprising a second dependency on the first waveform and on the second waveform that have been transmitted by the antenna system of said second device;

performing a first operation and a second operation on the first signal and second signal, respectively, using a first receive channel coefficient, a second receive channel coefficient, a third receive channel coefficient and a fourth receive channel coefficient; and

forming a first processed signal and a second processed signal;

wherein the first processed signal comprises a reduced level of the second waveform compared to a level of the second waveform that is included in the first signal;

wherein the second processed signal comprises a reduced level of the first waveform compared to a level of the first waveform that is included in the second signal;

wherein said first receive channel coefficient relates to propagation of said first waveform from the antenna system of said another device to said first polarization;

wherein the second receive channel coefficient relates to propagation of said first waveform from the antenna system of said another device to said second polarization;

wherein the third receive channel coefficient relates to propagation of said second waveform from the antenna system of said another device to said first polarization; and

wherein the fourth receive channel coefficient relates to propagation of said second waveform from the antenna system of said another device to said second polarization.

17 . The method of claim 16 ,

wherein the first polarization comprises a linear polarization and the second polarization comprises a linear polarization; and

wherein a spatial discrimination between the first polarization and the second polarization comprises an angle of at least 45 degrees.

18 . The method of claim 16 , wherein the first polarization comprises a circular polarization and/or the second polarization comprises a circular polarization.

19 . The method of claim 16 , further comprising:

using the first polarization and the second polarization and transmitting a first transmit signal and a second transmit signal, respectively, co-frequency with one another and substantially concurrently in time with one another.

20 . The method of claim 19 , wherein said first transmit signal or said second transmit signal comprises a dependence on at least one transmit channel coefficient of a plurality of transmit channel coefficients.

21 . The method of claim 19 , wherein said first transmit signal comprises a dependence on the second transmit signal and on at least one transmit channel coefficient of a plurality of transmit channel coefficients.

22 . The method of claim 16 ,

wherein the first device and the second device comprise a smartphone and a base station, respectively; or

wherein the first device and the second device comprise a base station and a smartphone, respectively.

23 . The method of claim 17 , further comprising:

using a plurality of transmission paths;

transmitting information to the second device by transmitting first data over a first transmission path of the plurality of transmission paths;

transmitting information to the second device by transmitting second data over a second transmission path of the plurality of transmission paths; and

causing the second device to aggregate the first data with the second data that is received thereat via the first transmission path and the second transmission path respectively;

wherein the first transmission path is different and physically distinct from the second transmission path;

wherein said transmitting information to the second device by transmitting first data over a first transmission path comprises wirelessly transmitting information using a first set of frequencies and a first air interface; and further comprises transmitting the first data to a first intermediary device first, followed by the first intermediary device relaying the first data to the second device;

wherein said transmitting information to the second device by transmitting second data over a second transmission path comprises wirelessly transmitting information using a second set of frequencies that differs from the first set of frequencies and/or a second air interface that differs from the first air interface; and further comprises transmitting the second data to a second intermediary device first, followed by the second intermediary device relaying the second data to the second device;

wherein said transmitting information to the second device by transmitting first data over a first transmission path; and said transmitting information to the second device by transmitting second data over a second transmission path occur concurrently in time with one another; or sequentially in time with one another; and

wherein the first intermediary device is distinct, different and at a distance from the second intermediary device.

24 . The method of claim 23 ,

wherein the first set of frequencies comprises licensed frequencies; and

wherein the second set of frequencies comprises unlicensed frequencies.

25 . The method of claim 24 , wherein said unlicensed frequencies comprise WiFi frequencies and/or microwave frequencies.

26 . The method of claim 24 ,

wherein the first set of frequencies comprise 5G frequencies and the first air interface comprises a 5G air interface; and

wherein the second set of frequencies comprise WiFi frequencies and the second air interface comprises a WiFi air interface.

27 . The method of claim 16 , further comprising:

transmitting information to a repeater; and

causing the repeater to retransmit the information.

28 . The method of claim 16 , further comprising:

communicating directly with another device that is devoid of at least some base station functionality or comprises the at least some base station functionality.

29 . The method of claim 16 , further comprising:

using frequencies of a first frequency band concurrently with frequencies of a second frequency band and communicating with the second device by transmitting a first carrier and a second carrier, respectively, concurrently with one another.

30 . The method of claim 29 ,

wherein the first carrier comprises subcarriers of a 5G carrier; and

wherein the second carrier comprises subcarriers of a 4G carrier or subcarriers of a 5G carrier.

Assignments (1)

Continuity (12)

References Cited (108)

Cited By (2)

US 12,684,319 US 12,696,058