公开(公告)号：US10178707B2

公开(公告)日：2019-01-08

申请号：US15525020

申请日：2016-05-13

Applicant: MOTOROLA SOLUTIONS, INC.

Inventor： Yong Tian ,  Da-jun Chen ,  Xun Fei ,  Dong Zhao ,  Kang-Kai Zhao

IPC: H04W76/19 ,  H04W36/00 ,  H04M11/04

Abstract: A communications system and method of operation thereof. The communications system includes a communication network, a plurality of subscriber units and accessories, and a communications server. Each of the plurality of accessories are associated with and linked to one of the of subscriber units by a wireless connection. The communications server communicates with the plurality of subscriber units via the communication network, and is configured to obtain and maintain a plurality of data on each of the plurality of subscriber units, and generate a backup list identifying secondary subscriber units to which each of the plurality of accessories can link. Upon detecting a condition where communication drops below a desired level of service, the communication server is configured to identify a secondary subscriber unit from the first accessory's backup list and instruct the secondary subscriber unit to link with the first accessory.