US 11,700,576 B2
Method for putting on standby and method for reactivating at least part of a wireless communication network and gathering node of said network
Alexis Graul, Rueil Malmaison (FR); Florent Raby, Rueil Malmaison (FR); and Farid Zaouia, Rueil Malmaison (FR)
Assigned to SAGEMCOM BROADBAND SAS, Rueil-Malmaison (FR)
Filed by SAGEMCOM BROADBAND SAS, Rueil Malmaison (FR)
Filed on Oct. 6, 2020, as Appl. No. 17/64,288.
Claims priority of application No. 1911655 (FR), filed on Oct. 18, 2019.
Prior Publication US 2021/0120485 A1, Apr. 22, 2021
Int. Cl. H04W 52/02 (2009.01); H04L 5/00 (2006.01); H04W 72/0453 (2023.01); H04W 84/04 (2009.01)
CPC H04W 52/0206 (2013.01) [H04L 5/0098 (2013.01); H04W 72/0453 (2013.01); H04W 84/045 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for reactivating a wireless communication network in accordance with one of the IEEE 802.11 standards comprising a plurality of gathering nodes organised in a parent/child hierarchy, at least one gathering node in said communication network, referred to as the current node, comprising an access-point radio-frequency interface and a user radio-frequency interface of a so-called backhaul wireless network associated with the communication network, said access-point and user radio-frequency interfaces of said backhaul network being deactivated in sending mode, the method being executed by said current node and comprising:
receiving a first beacon frame comprising state information indicating a reactivation; and
a) putting in memory state information on said current node in order to indicate that a reactivation is under way;
b) reactivating, for said current node, all of its access-point and user radio-frequency interfaces of the backhaul network;
c) broadcasting a second beacon frame comprising state information indicating a reactivation;
d) pairing with a parent node and, in the case where said current node has child nodes, waiting until said child nodes pair with it and checking that said child nodes are reactivated;
updating an internal state indicating that said current node is reactivated.