US 12,082,026 B2
Communicating channel state information (CSI) of multiple transmission points
Paul Marinier, Brossard (CA); Diana Pani, Montreal (CA); J. Patrick Tooher, Montreal (CA); and Marian Rudolf, Montreal (CA)
Assigned to InterDigital Patent Holdings, Inc., Wilmington, DE (US)
Filed by INTERDIGITAL PATENT HOLDINGS, INC., Wilmington, DE (US)
Filed on May 27, 2021, as Appl. No. 17/332,435.
Application 17/332,435 is a continuation of application No. 15/387,703, filed on Dec. 22, 2016, granted, now 11,039,329.
Application 15/387,703 is a continuation of application No. 13/909,242, filed on Jun. 4, 2013, granted, now 9,532,362, issued on Dec. 27, 2016.
Claims priority of provisional application 61/678,559, filed on Aug. 1, 2012.
Claims priority of provisional application 61/655,359, filed on Jun. 4, 2012.
Prior Publication US 2021/0289383 A1, Sep. 16, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 72/04 (2023.01); H04B 7/024 (2017.01); H04B 7/0456 (2017.01); H04B 7/06 (2006.01); H04B 7/26 (2006.01); H04B 17/24 (2015.01); H04L 1/00 (2006.01); H04L 5/00 (2006.01); H04W 24/10 (2009.01); H04W 72/06 (2009.01); H04W 72/21 (2023.01); H04W 72/563 (2023.01); H04W 84/02 (2009.01); H04W 88/02 (2009.01); H04W 88/08 (2009.01); H04W 92/02 (2009.01); H04W 92/10 (2009.01)
CPC H04W 24/10 (2013.01) [H04B 7/024 (2013.01); H04B 7/0456 (2013.01); H04B 7/0617 (2013.01); H04B 7/0626 (2013.01); H04B 7/0647 (2013.01); H04B 7/2612 (2013.01); H04B 17/24 (2015.01); H04L 1/0026 (2013.01); H04L 1/0027 (2013.01); H04L 5/0035 (2013.01); H04L 5/0057 (2013.01); H04W 72/21 (2023.01); H04W 72/563 (2023.01); H04W 84/02 (2013.01); H04W 88/02 (2013.01); H04W 88/08 (2013.01); H04W 92/02 (2013.01); H04W 92/10 (2013.01)] 16 Claims
OG exemplary drawing
 
8. A method performed by a wireless transmit/receive unit (WTRU), the method comprising:
receiving, by the WTRU, a first configuration information that indicates a first set of channel state information (CSI) reference signal (CSI-RS) resources for a serving cell, the first configuration information comprising a first configuration of non-zero-power (NZP) CSI-RS resources that indicates a first set of NZP CSI-RS resources for the serving cell and a first configuration of CSI interference measurement (CSI-IM) resources that indicates a first set CSI-IM resources for the serving cell, the first configuration information that indicates the first set of CSI-RS resources further indicating a first assumed ratio of physical downlink shared channel (PDSCH) energy per resource element (EPRE) to a first NZP CSI-RS EPRE;
receiving, by the WTRU, a second configuration information that indicates a second set of CSI-RS resources for the serving cell, the second set of CSI-RS resources comprising a second configuration of NZP CSI-RS resources that indicates a second set of NZP CSI-RS resources for the serving cell and a second configuration of CSI-IM resources that indicates a second set of CSI-IM resources for the serving cell, the second configuration information that indicates the second set of CSI-RS resources further indicating a second assumed ratio of PDSCH EPRE to a second NZP CSI-RS EPRE;
performing a first set of one or more measurements using the first set of NZP CSI-RS resources and the first set of CSI-IM resources;
performing a second set of one or more measurements using the second set of NZP CSI-RS resources and the second set of CSI-IM resources;
sending, by the WTRU, a first aperiodic CSI report that is based on the first set of one or more measurements performed using the first set of NZP CSI-RS resources and the first set of CSI-IM resources in response to a determination that the first aperiodic CSI report associated with the first set of CSI-RS resources has been triggered; and
sending, by the WTRU, a second aperiodic CSI report that is based on the second set of one or more measurements performed using the second set of NZP CSI-RS resources and the second set of CSI-IM resources in response to a determination that the second aperiodic CSI report associated with the second set of CSI-RS resources has been triggered.