US Patent No. 10,397,823

DEVICE AND METHOD FOR SCHEDULING DATA PACKET TRANSMISSION IN WIRELESS NETWORKS


Patent No. 10,397,823
Issue Date August 27, 2019
Title Device And Method For Scheduling Data Packet Transmission In Wireless Networks
Inventorship Daniel Martin Gorgen, Eindhoven (NL)
Tim Corneel Wilhelmus Schenk, Eindhoven (NL)
Javier Perez Espina, Eindhoven (NL)
Oscar Garcia Morchon, Eindhoven (DE)
Assignee SIGNIFY HOLDING B.V., Eindhoven (NL)

Claim of US Patent No. 10,397,823

1. A system for controlling data packet transmission in a wireless network, the system comprising:a plurality of nodes; and
at least one data collector node,
wherein at least one control unit included in at least one of the plurality of nodes and/or the data collector node is adapted to randomly select, independently for each of the plurality of nodes configured to respond to a received data packet, a respective time slot within a determined answer interval for transmitting an answer responding to the received data packet, wherein the answer interval is applied to each of the plurality of nodes configured to respond to said received data packet and wherein at least one of any of the plurality of nodes and/or the data collector node determines: a) an amount of the plurality of nodes responding to said received data packet and b) a length of said answer interval based on the amount of the plurality of nodes determined to respond to said received data packet,
wherein the data collector node is adapted to poll at least one given node of any of the plurality of nodes for data packet transmission based on a hop distance of the given node to the data collector node and/or a network area in which the given node is located, and
wherein the data collector node is adapted to multicast a data request message to at least some of the plurality of nodes, to which the at least some of the plurality of nodes answer with a node-specific delay after having received the data request message.