METHOD AND ARRANGEMENT FOR DETERMINISTIC DELIVERY OF DATA TRAFFIC OVER WIRELESS CONNECTION

Title:

METHOD AND ARRANGEMENT FOR DETERMINISTIC DELIVERY OF DATA TRAFFIC OVER WIRELESS CONNECTION

Document Type and Number:

WIPO Patent Application WO/2019/137609

Kind Code:

A1

Abstract:

The present disclosure relates to delivery of data traffic over a wireless connection. In more particular, it relates to methods, a tunneling unit (208), and system for emulating wired connectivity between two or more robot devices (202, 204) and a controller (222). Buffering (212) of data frames, from two or more robot devices, received up-streams a wireless access network (206) is performed. Based on the time-stamps extracted (210) from data frames a relative time offset is determined for the two or more robot devices. Buffered uplink frames are forwarded (216) to the controller in a pre-define order, enabling using the relative time offset when forwarding downlink frames (232), being received over the wireless access network (206), to said two or more robot devices, such the that the downlink frames reach each one of two or more robot devices simultaneously. A deterministic delivery of data frames over a wireless connection is provided.

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Inventors:

RÁCZ SÁNDOR (HU)
REIDER NORBERT (HU)
SZABO GEZA (HU)

Application Number:

PCT/EP2018/050648

Publication Date:

July 18, 2019

Filing Date:

January 11, 2018

Export Citation:

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Assignee:

ERICSSON TELEFON AB L M (SE)

International Classes:

H04L12/26; G05B19/418; G06F1/12; H04J3/06; H04W56/00

Foreign References:

US20160302166A1	2016-10-13
US6360271B1	2002-03-19
US7170856B1	2007-01-30

Other References:

LAM EDMUND S L ET AL: "Programmable orchestration of time-synchronized events across decentralized Android ensembles", 2015 IEEE 11TH INTERNATIONAL CONFERENCE ON WIRELESS AND MOBILE COMPUTING, NETWORKING AND COMMUNICATIONS (WIMOB), IEEE, 19 October 2015 (2015-10-19), pages 659 - 666, XP032824724, DOI: 10.1109/WIMOB.2015.7348025
"Industrial networks - Wireless communication network and communication profiles - WirelessHART", IEC 62591:2016, IEC, 3, RUE DE VAREMBÉ, PO BOX 131, CH-1211 GENEVA 20, SWITZERLAND, 30 March 2016 (2016-03-30), pages 1 - 1043, XP082002766

Attorney, Agent or Firm:

BRANN AB (SE)

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