US 12,425,100 B2
Optical fiber detection method, control module and computer medium of distributed antenna system
Renzhen Xu, Suzhou (CN); Botao Zhu, Suzhou (CN); Cunxiao Fan, Suzhou (CN); and Xiuping Wang, Suzhou (CN)
Assigned to PROSE TECHNOLOGIES (SUZHOU) CO., LTD., Suzhou (CN); and PROSE TECHNOLOGIES LLC, Mount Olive, NJ (US)
Filed by PROSE TECHNOLOGIES (SUZHOU) CO., LTD., Suzhou (CN); and PROSE TECHNOLOGIES LLC, Mount Olive, NJ (US)
Filed on Jul. 11, 2023, as Appl. No. 18/350,343.
Application 18/350,343 is a continuation of application No. PCT/CN2022/076748, filed on Feb. 18, 2022.
Claims priority of application No. 202111395869.7 (CN), filed on Nov. 23, 2021.
Prior Publication US 2024/0031021 A1, Jan. 25, 2024
Int. Cl. H04B 10/073 (2013.01); H04B 10/032 (2013.01)
CPC H04B 10/073 (2013.01) [H04B 10/032 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An optic fiber detection method of a distributed antenna system, wherein the distributed antenna system includes a near-end device, a plurality of relay devices, and a plurality of far-end devices, the near-end device is connected to the plurality of relay devices through multiple groups of first optic channels, each of the relay devices is connected to the plurality of far-end devices through multiple groups of second optical channels, and the optical fiber detection method comprises:
at the near-end device, sending a test mode switch command to the plurality of relay devices to command the plurality of relay devices to switch to a test mode; and
under the test mode:
sending a first optical switch control command, the first optical switch control command being used to instruct the plurality of relay devices that have received the first optical switch control command to switch to a group of first optical channels;
acquiring optic fiber connection information between the near-end device and the plurality of relay devices under all first optical channels of the group of first optical channels; and
determining optic fiber connection status of the distributed antenna system according to the optic fiber connection information between the near-end device and the plurality of relay devices under the all first optical channels and a working mode of the distributed antenna system.
 
18. An optic fiber detection apparatus, comprising:
at least one processor; and
at least one memory coupled to the at least one processor and storing instructions for execution by the at least one processor that, when executed by the at least one processor, cause the at least one processor to perform:
at a near-end device, sending a test mode switch command to a plurality of relay devices to command the plurality of relay devices to switch to a test mode, wherein a distributed antenna system includes the near-end device, the plurality of relay device, and the plurality of far-end devices, the near-end device is connected to the plurality of relay devices through multiple groups of first optic channels, each of the relay devices is connected to the plurality of far-end devices through multiple groups of second optical channels; and
under the test mode:
sending a first optical switch control command, the first optical switch control command being used to instruct the plurality of relay devices that have received the first optical switch control command to switch to a group of first optical channels;
acquiring optic fiber connection information between the near-end device and the plurality of relay devices under all first optical channels of the group of first optical channels; and
determining optic fiber connection status of the distributed antenna system according to the optic fiber connection information between the near-end device and the plurality of relay devices under the all first optical channels and a working mode of the distributed antenna system.
 
19. A non-transitory computer-readable storage medium on which computer program code is stored, and the computer program code, when executed by a processor, cause the processor to perform:
at a near-end device, sending a test mode switch command to a plurality of relay devices to command the plurality of relay devices to switch to a test mode, wherein a distributed antenna system includes the near-end device, the plurality of relay device, and the plurality of far-end devices, the near-end device is connected to the plurality of relay devices through multiple groups of first optic channels, each of the relay devices is connected to the plurality of far-end devices through multiple groups of second optical channels; and
under the test mode:
sending a first optical switch control command, the first optical switch control command being used to instruct the plurality of relay devices that have received the first optical switch control command to switch to a group of first optical channels;
acquiring optic fiber connection information between the near-end device and the plurality of relay devices under all first optical channels of the group of first optical channels; and
determining optic fiber connection status of the distributed antenna system according to the optic fiber connection information between the near-end device and the plurality of relay devices under the all first optical channels and a working mode of the distributed antenna system.