US 12,192,998 B2
NR (new radio) demodulation reference signal (DMRS) ports mapping and related signaling
Ankit Bhamri, Langen (DE); Hidetoshi Suzuki, Kanagawa (JP); and Lilei Wang, Beijing (CN)
Assigned to Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Filed by Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Filed on Feb. 12, 2024, as Appl. No. 18/439,447.
Application 18/439,447 is a continuation of application No. 18/331,708, filed on Jun. 8, 2023, granted, now 11,937,237.
Application 18/331,708 is a continuation of application No. 17/718,099, filed on Apr. 11, 2022, granted, now 11,716,722, issued on Aug. 1, 2023.
Application 17/718,099 is a continuation of application No. 16/786,727, filed on Feb. 10, 2020, granted, now 11,330,614, issued on May 10, 2022.
Application 16/786,727 is a continuation of application No. PCT/CN2017/097072, filed on Aug. 11, 2017.
Prior Publication US 2024/0188080 A1, Jun. 6, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 72/12 (2023.01); H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 72/0446 (2023.01); H04W 72/1273 (2023.01); H04W 72/563 (2023.01); H04W 76/27 (2018.01)
CPC H04W 72/1273 (2013.01) [H04L 5/005 (2013.01); H04L 27/2607 (2013.01); H04W 72/0446 (2013.01); H04W 72/563 (2023.01); H04W 76/27 (2018.02)] 12 Claims
OG exemplary drawing
 
1. A user equipment comprising:
a receiver, which, in operation,
receives a parameter defining a configuration for assigning to ports respective resources for carrying reference signals, and
receives, from a base station, control information indicating one of a set of layer-to-port mapping combinations which is to be applied for data transmission and/or reception; and
circuitry, which, in operation, performs the data transmission and/or reception based on the indicated layer-to-port mapping combination;
wherein the resources carrying the reference signals are located on one or more symbols in a time domain, wherein the set of layer-to-port mapping combinations are continuously indexed including one-symbol layer-to-port mapping combinations for the reference signals located on one symbol and two-symbol layer-to-port mapping combinations for the reference signals located on two symbols,
wherein first indices of the continuous indices indicate the one-symbol layer-to-port mapping combinations followed by second indices for the two-symbol layer-to-port mapping combinations, and
wherein, of the set of layer-to-port mapping combinations, the two-symbol layer-to-port mapping combinations for n layers (where n is 2 or more) include first mapping combinations and a second mapping combination which is continuously indexed next to the first mapping combinations, the first mapping combinations having consecutive port numbers of which at least one port number is duplicated in the second mapping combination.