US 12,143,321 B2
Concepts for transmitting data to one or more users
Thomas Fehrenbach, Berlin (DE); Baris Goektepe, Berlin (DE); Cornelius Hellge, Berlin (DE); Johannes Dommel, Berlin (DE); and Lars Thiele, Berlin (DE)
Assigned to Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Munich (DE)
Filed by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Munich (DE)
Filed on Oct. 13, 2022, as Appl. No. 17/965,607.
Application 17/965,607 is a continuation of application No. 16/787,795, filed on Feb. 11, 2020, granted, now 11,489,639.
Application 16/787,795 is a continuation of application No. PCT/EP2018/071806, filed on Aug. 10, 2018.
Claims priority of application No. 17185935 (EP), filed on Aug. 11, 2017.
Prior Publication US 2023/0031347 A1, Feb. 2, 2023
Int. Cl. H04L 5/00 (2006.01); H04B 7/024 (2017.01); H04W 72/044 (2023.01); H04W 92/20 (2009.01)
CPC H04L 5/0026 (2013.01) [H04B 7/024 (2013.01); H04L 5/0035 (2013.01); H04L 5/0044 (2013.01); H04W 72/044 (2013.01); H04W 92/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A base station for a wireless communication network, the base station to serve two or more users, wherein, a first user is served by the base station to receive a first data signal from the base station and a second user is served by the base station to receive a second data signal from the base station, the base station comprising
an antenna array for a wireless communication with the two or more users served by the base station,
a precoder connected to the antenna array, the precoder causing the antenna array to form a first transmit beam to transmit the first data signal to the first user, and to form a second transmit beam to transmit the second data signal to the second user,
wherein, for transmitting the first data signal to the first user, the base station is configured to map data of the first data signal using a first transmit constellation, and for transmitting the second data signal to the second user, the base station is configured to map data of the second data signal using a second transmit constellation,
wherein the precoder is configured to apply a predistortion talk between the first and second transmit beams, and
wherein the base station is configured to transmit the first and second transmit beams comprising predefined reference signals for measuring of a phase offset and an attenuation.