2013.12.19
Overview
The present invention relates to a transmitting direct mode communication apparatus, a receiving direct mode communication apparatus and communication path switching methods thereof. More particularly, the transmitting direct mode communication apparatus, the receiving direct mode communication apparatus and the communication path switching methods thereof accomplish switching of the communication path in a lower layer.Category
發明
Patented
14/134,061
US9,854,460B2
Filing Date
2013.12.19Expired Date
2034.05.25Notification
2018.11.20