IP Library Granted Patent US 12,192,973
Granted Patent B2
US 12,192,973 · App. 18/198,637 · Granted Jan 7, 2025

Reduced transmission power time interval indication in wireless networks

Inventor: Esmael Hejazi Dinan (McLean, VA)
Assignee: Comcast Cable Communications, LLC
H04W72/0446H04L1/00H04L1/0003H04L1/0009H04L1/0026H04L1/0057H04L1/06H04L5/0046H04L5/0053H04L27/2601H04W72/0453H04W72/12H04W72/23H04W72/542H04L1/0064H04W28/18H04W72/54H04W84/045
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Quick Facts
Patent No.
US 12,192,973
App. No.
18/198,637
Granted
Jan 7, 2025
Kind
B2
Abstract

Wireless communications are described. Reduced transmission power time intervals may be employed in communications via one or more cells. A wireless device may receive an indication of measurement resources for one or more cells. The wireless device may transmit channel state information for one or more of the cells. Cross carrier scheduling may be employed.

Claims (155)

1. A method comprising:

receiving, by a wireless device and for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

receiving, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

transmitting measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

2. The method of claim 1 , wherein the plurality of measurement time intervals either:

excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or

consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals.

3. The method of claim 1 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and further comprising:

transmitting the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and

transmitting second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals.

4. The method of claim 1 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and further comprising:

measuring, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and

measuring, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals.

5. The method of claim 1 , further comprising receiving, during a reduced transmission power time interval, one of:

a signal consisting essentially of a common reference signal in a control region; or

a downlink signal, wherein:

the downlink signal consists of no data;

the downlink signal does not schedule data for transmission;

the downlink signal does not schedule unicast traffic; or

the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval.

6. A method comprising:

broadcasting, by a node and for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

transmitting, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

receiving measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

7. The method of claim 6 , wherein the plurality of measurement time intervals comprises:

at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and

at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier.

8. The method of claim 6 , wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals.

9. The method of claim 6 , wherein:

the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and

the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier.

10. The method of claim 6 , wherein the transmitting the configuration information comprises transmitting a unicast control message comprising the configuration information.

11. A wireless device comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the wireless device to:

receive, for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

receive, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

transmit measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

12. The wireless device of claim 11 , wherein the plurality of measurement time intervals comprises:

at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and

at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier.

13. The wireless device of claim 11 , wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals.

14. The wireless device of claim 11 , wherein:

the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and

the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier.

15. The wireless device of claim 11 , wherein the instructions, when executed by the one or more processors, cause the wireless device to receive the configuration information at least by receiving a unicast control message comprising the configuration information.

16. A node comprising:

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the node to:

broadcast, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

transmit, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

receive measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

17. The node of claim 16 , wherein the plurality of measurement time intervals either:

excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or

consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals.

18. The node of claim 16 , wherein:

the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals; and

the instructions, when executed by the one or processors, further cause the node to:

receive the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and

receive second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals.

19. The node of claim 16 , wherein the measurement information associated with the second carrier comprises channel state information (CSI) associated with the second carrier.

20. The node of claim 16 , wherein the instructions, when executed by the one or more processors, further cause the node to transmit, during a reduced transmission power time interval, one of:

a signal consisting essentially of a common reference signal in a control region; or

a downlink signal, wherein:

the downlink signal consists of no data;

the downlink signal does not schedule data for transmission;

the downlink signal does not schedule unicast traffic; or

the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval.

21. The method of claim 1 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

22. The method of claim 6 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

23. The wireless device of claim 11 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

24. The node of claim 16 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

25. A non-transitory, computer-readable medium having executable instructions stored thereon that, when executed by one or more processors of a wireless device, cause:

receiving, for a first carrier, a broadcast comprising radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

receiving, for a second carrier and via one or more control messages to the wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

transmitting measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

26. The non-transitory, computer-readable medium of claim 25 , wherein the plurality of measurement time intervals either:

excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or

consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals.

27. The non-transitory, computer-readable medium of claim 25 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the instructions, when executed, further cause:

transmitting the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and

transmitting second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals.

28. The non-transitory, computer-readable medium of claim 25 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the instructions, when executed, further cause:

measuring, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and

measuring, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals.

29. The non-transitory, computer-readable medium of claim 25 , wherein the instructions, when executed, further cause receiving, during a reduced transmission power time interval, one of:

a signal consisting essentially of a common reference signal in a control region; or

a downlink signal, wherein:

the downlink signal consists of no data;

the downlink signal does not schedule data for transmission;

the downlink signal does not schedule unicast traffic; or

the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval.

30. The non-transitory, computer-readable medium of claim 25 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

31. A non-transitory, computer-readable medium having executable instructions stored thereon that, when executed by one or more processors of a node, cause:

broadcasting, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

transmitting, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

receiving measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

32. The non-transitory, computer-readable medium of claim 31 , wherein the plurality of measurement time intervals comprises:

at least one static measurement time interval that is associated with at least one of radio resource management for the second carrier or radio link management for the second carrier; and

at least one dynamic measurement time interval that is associated with channel state information (CSI) measurement for the second carrier.

33. The non-transitory, computer-readable medium of claim 31 , wherein the configuration information indicates that the second set of time intervals that are allocated as reduced transmission power time intervals is the same as the first set of time intervals that are allocated as reduced transmission power time intervals.

34. The non-transitory, computer-readable medium of claim 31 , wherein:

the first set of time intervals that are allocated as reduced transmission power time intervals is a first set of almost blank subframes of the first carrier; and

the second set of time intervals that are allocated as reduced transmission power time intervals is a second set of almost blank subframes of the second carrier.

35. The non-transitory, computer-readable medium of claim 31 , wherein the transmitting the configuration information comprises transmitting a unicast control message comprising the configuration information.

36. The non-transitory, computer-readable medium of claim 31 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

37. A system comprising:

a wireless device; and

a node;

wherein the node is configured to:

broadcast, for a first carrier, radio resource configuration information that indicates a first set of time intervals that are allocated as reduced transmission power time intervals;

transmit, for a second carrier and via one or more control messages to a wireless device, configuration information that indicates:

a second set of time intervals that are allocated as reduced transmission power time intervals; and

a plurality of measurement time intervals; and

receive measurement information, associated with the second carrier, that is based on the plurality of measurement time intervals;

wherein the wireless device is configured to:

receiving, for the first carrier, the radio resource configuration information;

receiving, for the second carrier and via the one or more control messages to the wireless device, the configuration information; and

transmitting the measurement information associated with the second carrier; and

wherein transmission power associated with a reduced transmission power time interval is configured to be lower than transmission power associated with a non-reduced transmission power time interval.

38. The system of claim 37 , wherein the plurality of measurement time intervals either:

excludes the second set of time intervals that are allocated as reduced transmission power time intervals; or

consists of a subset of the second set of time intervals that are allocated as reduced transmission power time intervals.

39. The system of claim 37 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the wireless device is further configured to:

transmit the measurement information based on a first plurality of subcarriers, of the second carrier, in the plurality of measurement time intervals; and

transmit second measurement information based on a second plurality of subcarriers, of the second carrier, in the second plurality of measurement time intervals.

40. The system of claim 37 , wherein the configuration information further indicates, for the second carrier, a second plurality of measurement time intervals, and wherein the wireless device is further configured to:

measure, based on the plurality of measurement time intervals, first measurement information for one or more reduced transmission power time intervals; and

measure, based on the second plurality of measurement time intervals, second measurement information for one or more non-reduced transmission power time intervals.

41. The system of claim 37 , wherein the wireless device is further configured to receive, during a reduced transmission power time interval, one of:

a signal consisting essentially of a common reference signal in a control region; or

a downlink signal, wherein:

the downlink signal consists of no data;

the downlink signal does not schedule data for transmission;

the downlink signal does not schedule unicast traffic; or

the downlink signal schedules data for transmission at a transmission power that is configured to be lower than the transmission power associated with the non-reduced transmission power time interval.

42. The system of claim 37 , wherein the one or more control messages comprise one or more radio resource control (RRC) messages.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2024
From: DINAN, ESMAEL HEJAZI
To: OFINNO TECHNOLOGIES, LLC
Reel/Frame 067307/0063 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2024
From: OFINNO TECHNOLOGIES, LLC
To: COMCAST CABLE COMMUNICATIONS, LLC
Reel/Frame 067307/0287 →
Continuity (8)
Continuation 17027243 · Sep 21, 2020
Continuation 16298650 · Mar 11, 2019
Continuation 15383473 · Dec 19, 2016
Continuation 14605131 · Jan 26, 2015
Continuation 13732161 · Dec 31, 2012
Provisional Application 61582309 · Dec 31, 2011
Provisional Application 61582310 · Dec 31, 2011
Related Publication 20230371009A1 · Nov 16, 2023
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3GPP TSG-RAN WG2 meeting #72, R2-106245, Jacksonville, US, Nov. 15-19, 2010, Source: Qualcomm Incorporated, Title: Way forward for connected mode eICIC. [cited by applicant]
3GPP TSG-RAN WG2 meeting #72, R2-106332, Jacksonville, United States, Nov. 15-19, 2010, Source: ZTE, Title: Discussion on measurement restriction of eICIC. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #72, R2-106381, Jacksonville USA, Nov. 15-19, 2010, Source: CMCC, Title: Considerations on measurement resource restriction for eICIC. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #72, R2-106449, Nov. 15-19, 2010, Jacksonville, USA, Source: Alcatel-Lucent, Title: Signalling support for Almost Blank Subframe patterns. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #72, R2-106451, Nov. 15-19, 2010, Jacksonville, USA, Source: Alcatel-Lucent, Alcatel-Lucent Shanghai Bell, Title: RRC signalling design for Almost Blank Subframe patterns. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75, R2-114052, Athens, Greece, Aug. 22-26, 2011, Source: Renesas Mobile Europe Ltd., Title: Discussion on Rel'11 eICIC Scenarios. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75, R2-114099, Athens, Greece, Aug. 22-26, 2011, Source: Huawei, HiSilicon, Title: Inter-frequency measurement under eICIC. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-115252, Zhuhai, China, Oct. 10-14, 2011, Source: CMCC, Title: Measurement resource restriction for inter-frequency measurement in R11 eICIC. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-114947, Zhuhai, China, Oct. 10-14, 2011, Source: ZTE, Title: Measurement Restriction for Inter-frequency eICIC. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-115130, Zhuhai, China, Oct. 10-14, 2011, Source: Renesas Mobile Ltd., Title: Using eICIC for inter-frequency measurements. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-115133, Zhuhai, China, Oct. 10-14, 2011, Source: Renesas Mobile Europe Ltd., Title: Discussion on Rel-11 eICIC enhancements. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-115348, Oct. 10-14, 2011, Zhuhai, China, Source: Alcatel-Lucent, Alcatel-Lucent Shanghai Bell, Title: Requirement of measurement subframe restriction for eICIC with CA. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #75bis, R2-115361, ZhuHai, China, Oct. 10-14, 2011, Source: Interdigital, Title: Inter-frequency eICIC enhancements for Rel-11. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #76, R2-115982, San Francisco, U.S., Nov. 14-18, 2011, Source: Research in Motion UK Limited, Title: Release of measSubframePatternConfigNeigh upon reestablishment. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #76, R2-115765, San Francisco, USA, Nov. 14-18, 2011, Source: Zte, Title: SCell Measurement Restriction. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #76, R2-115979, San Francisco, U.S., Nov. 14-18, 2011, Source: Research Motion UK Limited, Title: Alignment between SPS and subframe pattern. [cited by applicant]
3GPP TSG-RAN WG2 Meeting #76, R2-116333, San Francisco, Nov. 14-19, 2011, Source: Qualcomm Incorporated, Title: UE behavior about measurements for eICIC with MBSFN subframes. [cited by applicant]
3GPP TSG-RAN2 Meeting #72, R2-106579, Jacksonville, USA, Nov. 15-19, 2010, Source: LG Electronics Inc., Title: Measurement restriction for macro-pico scenario. [cited by applicant]
3GPP TSG-RAN2 Meeting #75bis, R2-114969, Zhuhai, China, Oct. 10-14, 2011, Source: Potevio, Title: Consideration on the solutions for restricted measurement of inter-frequency. [cited by applicant]
3GPP TSG-RAN2#75 meeting, R2-114036, Athens, Greece, Aug. 22-26, 2011, Source: Samsung, Title: Inter-frequency eICIC enhancements for Rel 11.0. [cited by applicant]
3GPP TSG RAN WG3 Meeting #70 R3-103191, Jacksonville (FL), USA, Nov. 15-19, 2010, Source: New Postcom, Title: Self-organized mechanism for TD-based eICIC. [cited by applicant]
Apr. 21, 2015—European Search Report—EP 14197792. [cited by applicant]
Jul. 15, 2013—PCT Search Report—PCT/US2012/062482. [cited by applicant]
3GPP TS 36.300 V10.0.0 (Jun. 2010), 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Acc… [cited by applicant]
3GPP TSG-RAN WG1 #66 R1-112648 Athens, Greece, Aug. 15-19, 2011 Source: Ericsson, ST-Ericsson Title: On scenarios for further time domain ICICI evaluations. [cited by applicant]
3GPP TS 36.300 V10.5.0 (Sep. 2011) 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Acce… [cited by applicant]
Apr. 30, 2020—European Extended Search Report—EP 20162996.1. [cited by applicant]