US 12,330,908 B2
Wireless communication in an elevator system using a plurality of radio channels
Derk Pahlke, Berlin (DE); Mario Pink, Berlin (DE); and Goran Djuknic, New York, NY (US)
Assigned to OTIS ELEVATOR COMPANY, Farmington, CT (US)
Filed by Otis Elevator Company, Farmington, CT (US)
Filed on May 8, 2019, as Appl. No. 16/406,803.
Claims priority of application No. 18171523 (EP), filed on May 9, 2018.
Prior Publication US 2019/0344997 A1, Nov. 14, 2019
Int. Cl. B66B 1/34 (2006.01); H04W 84/02 (2009.01)
CPC B66B 1/3461 (2013.01) [B66B 1/3407 (2013.01); B66B 1/3492 (2013.01); H04W 84/02 (2013.01)] 15 Claims
OG exemplary drawing
 
1. Elevator system (2) comprising:
an elevator car (6) configured for traveling along a hoistway (4);
a sensor (19) configured for determining a current position of the elevator car (6) within the hoistway (4);
at least one stationary wireless communication module (20); and
at least one mobile wireless communication module (22) attached to the elevator car (6);
wherein the at least one stationary wireless communication module (20) and at the least one mobile wireless communication module (22) are configured for communicating with each other via a wireless data connection using one of a plurality of radio channels; and
wherein the at least one stationary wireless communication module (20) and the at least one mobile wireless communication module (22) are configured for selecting the radio channel to be used for communicating from the plurality of radio channels based on the current position of the elevator car (6) within the hoistway (4);
wherein a same radio channel is used for communicating between the at least one stationary wireless communication module (20) and the at least one mobile wireless communication module (22) at at least two adjacent floors along the hoistway.