US 9,810,763 B2
Terminal device, scanning method and information processing system
Manabu Nakao, Kunitachi (JP)
Assigned to FUJITSU LIMITED, Kawasaki (JP)
Filed by FUJITSU LIMITED, Kawasaki-shi, Kanagawa (JP)
Filed on Sep. 5, 2014, as Appl. No. 14/478,485.
Claims priority of application No. 2013-241633 (JP), filed on Nov. 22, 2013.
Prior Publication US 2015/0148065 A1, May 28, 2015
Int. Cl. G01S 5/02 (2010.01); H04W 48/14 (2009.01); H04W 48/16 (2009.01); H04W 64/00 (2009.01); H04W 48/04 (2009.01)
CPC G01S 5/0289 (2013.01) [G01S 5/0284 (2013.01); H04W 48/16 (2013.01); H04W 48/04 (2013.01); H04W 64/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A terminal device configured to communicate with an information processing device, the terminal device comprising:
a memory; and
a processor coupled to the memory and configured to
execute scanning for a wireless signal at a first frequency for at least one of a first time period and a second time period, the first time period is a time period after the terminal device changes from a stationary state to a movement state, and the second time period is a time period after the terminal device changes from the movement state to the stationary state,
when the scanning at the first frequency is executed for the first time period, perform at least one of stopping the scanning and executing the scanning at a second frequency lower than the first frequency after the first time period has elapsed, and when the scanning at the first frequency is executed for the second time period, perform at least one of stopping the scanning and executing the scanning at the second frequency after the second time period has elapsed,
when another terminal device is detected during the scanning in at least one of the first time period and the second time period, transmitting, from the terminal device to the information processing device, first information identifying the terminal device and second information identifying the another terminal device, wherein
the first information identifying the terminal device is transmitted from the information processing device to the another terminal device.