| CPC H04W 56/0045 (2013.01) [H04W 56/001 (2013.01)] | 20 Claims |

|
1. A communication system comprising a distributed unit, wherein the communication system
estimates distance information,
converts the distance information into a transit time difference,
adjusts a transmission window according to the transit time difference, and start and end points of the transmission window move according to the transit time difference.
|