The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Mar. 20, 2018
Ntt Docomo, Inc., Tokyo, JP;
Neng Ye, Beijing, CN;
Xiangming Li, Beijing, CN;
Xiaohang Chen, Beijing, CN;
Xiaolin Hou, Beijing, CN;
Qun Zhao, Beijing, CN;
Huiling Jiang, Beijing, CN;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A constellation rotation method is presented. The method includes: determining a statistical characteristic of a received signal of a Base Station (BS) according to a channel coefficient of one or more User Equipments (UEs), at least one of noise information and interference information, the received signal being a signal received by the BS through a physical channel from the one or more UEs; determining a constellation rotation angle of each UE according to the determined statistical characteristic of the received signal; and for each UE, rotating a constellation of a data stream of a UE according to the constellation rotation angle of the UE.