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.

Date of Patent:
Mar. 08, 2016

Filed:

Jan. 20, 2015
Applicant:

Marvell International Ltd., Hamilton, BM;

Inventors:

Carlos Camps, Xirivella, ES;

Salvador Iranzo Molinero, Valencia, ES;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/02 (2006.01); H04B 7/04 (2006.01); H04B 7/06 (2006.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04B 7/0426 (2013.01); H04B 7/0417 (2013.01); H04B 7/06 (2013.01); H04L 27/2627 (2013.01);
Abstract

Systems and methods for controlling power spectral density (PSD) of a multiple-input-multiple-output (MIMO) transmitter are provided. Data corresponding to multiple transmission streams of the MIMO transmitter is received with precoding circuitry from a constellation encoder. The received data is precoded using the precoding circuitry. The precoded data is sent to a plurality of transmission ports of the MIMO transmitter. Power allocation of the precoded data is adjusted for a first of the plurality of transmission ports independently of adjusting power allocation of the precoded data for a second of the plurality of transmission ports.


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