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:
Jan. 24, 2023

Filed:

Mar. 04, 2021
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Andres Reial, Malmö, SE;

Henrik Sahlin, Mölnlycke, SE;

Oskar Mauritz, Johanneshov, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/00 (2006.01); H04W 72/04 (2009.01); H04W 74/08 (2009.01); H04L 27/26 (2006.01);
U.S. Cl.
CPC ...
H04L 5/0053 (2013.01); H04L 27/2613 (2013.01); H04W 72/0446 (2013.01); H04W 74/0833 (2013.01);
Abstract

An example method for transmitting a random access preamble comprises selecting () a random access preamble configuration from a plurality of predetermined random access preamble configurations. The method further includes determining () a time interval in which to transmit the random access preamble. The method further comprises transmitting () the random access preamble according to the selected random access preamble configuration. Each of the plurality of random access preamble configurations comprises a combination of (a) a single root sequence from a predetermined set of one or more root sequences, (b) a single cyclic shift of a predetermined plurality of cyclic shifts for the root sequence, and (c) a single starting position of two or more predetermined starting positions within time intervals allocated for random access preamble transmission.


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