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:
Sep. 07, 2021

Filed:

Dec. 27, 2017
Applicant:

Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;

Inventors:

Zhong Wang, Nanjing, CN;

Peng Lv, Nanjing, CN;

Hai Wang, Beijing, CN;

Haiming Bai, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 72/00 (2009.01); H04W 28/08 (2009.01);
U.S. Cl.
CPC ...
H04W 28/08 (2013.01);
Abstract

A method for communications is proposed. The method may comprise obtaining, by a terminal device, network addresses of another terminal device from a message broker to which the terminal device and the another terminal device are registered. At least one of the terminal device and the another terminal device is connected to a cellular network. The method may further comprise initiating a connectivity check procedure to determine one or more candidate paths through which the terminal device has connectivity to the another terminal device. The one or more candidate paths are from at least two paths associated with the network addresses of the another terminal device. The method may further comprise selecting a path for the terminal device and the another terminal device among the one or more candidate paths, based at least in part on a predefined criterion.


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