METHOD AND APPARATUS FOR SYNCHRONIZING AND PROPAGATING STATE INFORMATION IN WIRELESS DOWNLINK/UPLINK

• US 20150341872A1
• Filed: 05/22/2014
• Published: 11/26/2015
• Est. Priority Date: 05/22/2014
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: SUBRAMANIAN, Sundar, LI, Junyi, Ryu, Jung H., SAMPATH, Ashwin
• Granted Patent: US 10,004,050 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 7/0404 the mobile station comprising multiple antennas, e.g. to provide uplink diversity
• CPC Class Codes: H04B 7/0408 using two or more beams, i.e. beam diversity
• CPC Class Codes: H04B 7/0834 based on external parameters, e.g. subscriber speed or location
• CPC Class Codes: H04L 43/04 Processing captured monitoring data, e.g. for logfile generation
• CPC Class Codes: H04W 56/001 Synchronization between nodes
• CPC Class Codes: H04W 56/0075 based on arrival time vs. expected arrival time

Abstract

A method, an apparatus, and a computer program product for operating a user equipment (UE) are provided. The apparatus receives first information from a first millimeter-wave base station (mwB), determines second information based on the received first information, and transmits the second information to at least one other mwB. The first information and the second information are related to synchronization and/or a network state between the first mwB and the at least one other mwB.

Claims

1. A method of operating a user equipment (UE), comprising:

receiving at the UE first information from a first millimeter-wave base station (mwB);

determining second information based on the received first information; and

transmitting from the UE the second information to at least one other mwB,

wherein the first information and the second information are related to at least one of synchronization or a network state between the first mwB and the at least one other mwB.

2. The method of claim 1, wherein:

the first information comprises timing information of the first mwB;

the determining the second information comprises measuring at least one of;

a first timing discrepancy between the timing information of the first mwB and an expected timing information, or

a second timing discrepancy between the timing information of the first mwB and timing information of the at least one other mwB; and

the transmitting the second information comprises transmitting the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the at least one other mwB.

3. The method of claim 1, wherein:

the first information comprises resource allocation information of the first mwB;

the second information is determined to be the first information; and

the transmitting the second information comprises transmitting the resource allocation information of the first mwB to the at least one other mwB.

4. The method of claim 3, wherein the resource allocation information of the first mwB is transmitted during mwB discovery.

5. The method of claim 3, further comprising:

receiving an interfering signal from the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB when the interfering signal is received.

6. The method of claim 3, wherein the first mwB receives interference from the at least one other mwB, the method further comprising:

receiving an instruction from the first mwB to transmit the resource allocation information of the first mwB to the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB based on the instruction.

7. The method of claim 1, further comprising:

receiving third information from the at least one other mwB;

determining fourth information based on the received third information; and

transmitting the fourth information to the first mwB.

8. The method of claim 7, wherein:

the third information comprises timing information of the at least one other mwB;

the determining the fourth information comprises measuring at least one of;

a first timing discrepancy between the timing information of the at least one other mwB and an expected timing information, or

a second timing discrepancy between the timing information of the at least one other mwB and timing information of the first mwB; and

the transmitting the fourth information comprises transmitting the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the first mwB.

9. The method of claim 7, wherein:

the third information comprises resource allocation information of the at least one other mwB;

the fourth information is determined to be the third information; and

the transmitting the fourth information comprises transmitting the resource allocation information of the at least one other mwB to the first mwB.

10. A user equipment (UE), comprising:

means for receiving first information from a first millimeter-wave base station (mwB);

means for determining second information based on the received first information; and

means for transmitting the second information to at least one other mwB,

wherein the first information and the second information are related to at least one of synchronization or a network state between the first mwB and the at least one other mwB.

11. The UE of claim 10, wherein:

the first information comprises timing information of the first mwB;

the means for determining the second information is configured to measure at least one of;

a first timing discrepancy between the timing information of the first mwB and an expected timing information, or

a second timing discrepancy between the timing information of the first mwB and timing information of the at least one other mwB; and

the means for transmitting the second information is configured to transmit the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the at least one other mwB.

12. The UE of claim 10, wherein:

the first information comprises resource allocation information of the first mwB;

the second information is determined to be the first information; and

the means for transmitting the second information is configured to transmit the resource allocation information of the first mwB to the at least one other mwB.

13. The UE of claim 12, wherein the resource allocation information of the first mwB is transmitted during mwB discovery.

14. The UE of claim 12, further comprising:

means for receiving an interfering signal from the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB when the interfering signal is received.

15. The UE of claim 12, wherein the first mwB receives interference from the at least one other mwB, the UE further comprising:

means for receiving an instruction from the first mwB to transmit the resource allocation information of the first mwB to the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB based on the instruction.

16. The UE of claim 10, further comprising:

means for receiving third information from the at least one other mwB;

means for determining fourth information based on the received third information; and

means for transmitting the fourth information to the first mwB.

17. The UE of claim 16, wherein:

the third information comprises timing information of the at least one other mwB;

the means for determining the fourth information is configured to measure at least one of;

a first timing discrepancy between the timing information of the at least one other mwB and an expected timing information, or

a second timing discrepancy between the timing information of the at least one other mwB and timing information of the first mwB; and

the means for transmitting the fourth information is configured to transmit the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the first mwB.

18. The UE of claim 16, wherein:

the third information comprises resource allocation information of the at least one other mwB;

the fourth information is determined to be the third information; and

the means for transmitting the fourth information is configured to transmit the resource allocation information of the at least one other mwB to the first mwB.

19. A user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to;

receive first information from a first millimeter-wave base station (mwB),

determine second information based on the received first information, and

transmit the second information to at least one other mwB,

wherein the first information and the second information are related to at least one of synchronization or a network state between the first mwB and the at least one other mwB.

20. The UE of claim 19, wherein:

the first information comprises timing information of the first mwB;

the at least one processor determines the second information by measuring at least one of;

a first timing discrepancy between the timing information of the first mwB and an expected timing information, or

a second timing discrepancy between the timing information of the first mwB and timing information of the at least one other mwB; and

the at least one processor transmits the second information by transmitting the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the at least one other mwB.

21. The UE of claim 19, wherein:

the first information comprises resource allocation information of the first mwB;

the second information is determined to be the first information; and

the at least one processor transmits the second information by transmitting the resource allocation information of the first mwB to the at least one other mwB.

22. The UE of claim 21, wherein the resource allocation information of the first mwB is transmitted during mwB discovery.

23. The UE of claim 21, the at least one processor further configured to:

receive an interfering signal from the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB when the interfering signal is received.

24. The UE of claim 21, wherein the first mwB receives interference from the at least one other mwB, the at least one processor further configured to:

receive an instruction from the first mwB to transmit the resource allocation information of the first mwB to the at least one other mwB,

wherein the resource allocation information of the first mwB is transmitted to the at least one other mwB based on the instruction.

25. The UE of claim 19, the at least one processor further configured to:

receive third information from the at least one other mwB;

determine fourth information based on the received third information; and

transmit the fourth information to the first mwB.

26. The UE of claim 25, wherein:

the third information comprises timing information of the at least one other mwB;

the at least one processor determines the fourth information by measuring at least one of;

a first timing discrepancy between the timing information of the at least one other mwB and an expected timing information, or

a second timing discrepancy between the timing information of the at least one other mwB and timing information of the first mwB; and

the at least one processor transmits the fourth information by transmitting the at least one of the measured first timing discrepancy or the measured second timing discrepancy to the first mwB.

27. The UE of claim 25, wherein:

the third information comprises resource allocation information of the at least one other mwB;

the fourth information is determined to be the third information; and

the at least one processor transmits the fourth information by transmitting the resource allocation information of the at least one other mwB to the first mwB.

28. A computer program product stored on a computer-readable medium and comprising code that when executed on at least one processor performs the steps of:

receiving at a user equipment (UE) first information from a first millimeter-wave base station (mwB);

determining second information based on the received first information; and

transmitting from the UE the second information to at least one other mwB,

wherein the first information and the second information are related to at least one of synchronization or a network state between the first mwB and the at least one other mwB.