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:
Jul. 20, 2021
Filed:
Aug. 21, 2020
Sanjeewa Herath, Ottawa, CA;
Monirosharieh Vameghestahbanati, Kanata, CA;
Javad Abdoli, Kanata, CA;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A transmission method, and corresponding transmitter are provided that use a combination of sparse symbol mapping with non-sparse spreading. This can be used for a low-PAPR multiple access scheme where good performance is achieved by sparse domain multi-user detection. The provided method uses per-frequency block time-domain non-sparse spreading across sparse blocks which provides PAPR reduction. Sparsity patterns are partitioned into groups that allows PAPR reduction. The method may be used to support the transmission of a single-carrier signal, e.g. DFT-spread signal, to provide PAPR reduction. More generally the provided method can use any low-PAPR waveform, for example any single-carrier waveform or any single-subcarrier waveform.