CN-122026987-A - Intelligent multichannel distribution system for satellite synchronous signals and implementation method

Abstract

The invention discloses an intelligent multichannel distribution system for satellite synchronous signals and an implementation method thereof. The system comprises a main unit MU, a remote unit RU, a satellite signal receiving antenna and a signal protector, wherein satellite signals are received through the two-way satellite signal receiving antenna, the satellite signals are accessed to the main unit MU through the signal protector, the main unit MU carries out enhancement processing on the signals through an active amplifying module, the signals are forwarded to a plurality of remote units RU through optical fibers, the remote units RU receive the satellite signals transmitted by the main unit MU, uplink/downlink output power is adjusted according to actual requirements, and stable signals are provided for corresponding baseband processing units BBU. The invention does not need to independently configure a satellite synchronous system for each BBU, greatly saves the deployment space and supports the flexible capacity expansion of BBUs at the same site.

Inventors

• ZHENG ZIZHAN
• LIU XINGYI

Assignees

• 广州市达玺通信技术有限公司

Dates

Publication Date

20260512

Application Date

20260126

Claims (4)

1. 1. The intelligent multichannel distribution system for the satellite synchronous signals is characterized by comprising a main unit MU, a remote unit RU, a satellite signal receiving antenna and a signal protector, wherein satellite signals are received through the two-way satellite signal receiving antenna and are accessed into the main unit MU through the signal protector, the main unit MU carries out enhancement processing on the signals through an active amplifying module and then forwards the signals to the remote units RU through optical fibers, the remote unit RU receives satellite signals transmitted by the main unit MU, and uplink/downlink output power is adjusted according to actual requirements so as to provide stable signals for a corresponding baseband processing unit BBU.
2. 2. The intelligent multichannel distribution system according to claim 1, wherein one of said master units MU supports a maximum of eight remote units RU.
3. 3. The intelligent multichannel satellite synchronous signal distribution system according to claim 1, further comprising a wireless monitoring module, wherein the wireless monitoring module is used for reading the input power and the output power of each channel of signals.
4. 4. A method for implementing a satellite synchronous signal intelligent multichannel distribution system according to any of claims 1-3, characterized by the steps of: s1, satellite signals are received through a double-path satellite signal receiving antenna, and are accessed to an RFIN port of a main unit MU through a signal protector, and the main unit MU amplifies double-path input signals; s2, an operator sets a baseband processing unit BBU signal requirement corresponding to each remote unit RU through a local debugging port configuration parameter of the main unit MU, and the main unit MU respectively transmits the processed satellite signals to a plurality of remote units through an SC type optical port; S3, after receiving the optical signals, the remote unit RU completes signal conversion and power adjustment through the built-in module, is connected to the corresponding baseband processing unit BBU through the RFOUT port through a coaxial cable, and simultaneously receives remote power supply provided by the main unit MU through DCOUT 1-8 ports through the DCIN port; S4, through the indication lamps and the wireless monitoring functions of the main unit MU and the remote unit RU, the signal transmission state and the equipment operation condition are monitored in real time, and if abnormality occurs, the signal transmission state and the equipment operation condition are prompted through the alarm indication lamps.

Description

Intelligent multichannel distribution system for satellite synchronous signals and implementation method Technical Field The invention relates to the technical field of mobile communication base station synchronization, in particular to an intelligent multichannel distribution system for satellite synchronous signals and an implementation method thereof. Background With the acceleration of evolution of 5G mobile communication networks toward ultra-dense networking and three-dimensional deep coverage, deployment scales of base station remote architecture (bbu+rru) and indoor distributed systems continue to expand. In this context, the requirement of the base station device for high-precision synchronization signals is significantly increased, and the conventional satellite timing scheme still generally uses the traditional one-to-one mode of "single BBU configuring a single satellite receiving system", and the mode faces serious challenges in terms of system expansibility, deployment cost and engineering implementation. In particular, conventional solutions are limited by the room space and the wiring capacity of the satellite signal coaxial cable. Taking a typical site for deploying 32 BBUs as an example, 32 sets of independent satellite signal receiving systems including antennas, feeder lines and receiving devices need to be built in a matched mode, so that the hardware cost is high. Meanwhile, the large-scale coaxial cable laying is high in material cost, complex pipeline engineering design, construction and maintenance problems are brought, total site construction investment is remarkably increased, and the large-scale coaxial cable laying becomes a key bottleneck for restricting the RRU scale expansion. In order to cope with the defects of the traditional satellite time service system in the aspects of expandability and economy and better adapt to the deployment scene of diversified sites, a satellite synchronous signal intelligent multichannel distribution system and an implementation method are needed to be provided, the system realizes centralized time service support of one set of system to a plurality of BBUs through digitalization, optical fiber transmission and intelligent distribution of satellite signals, effectively breaks the resource waste and deployment bottleneck in the traditional mode, and provides reliable synchronous guarantee for intensive construction and efficient operation of a 5G network. Disclosure of Invention The invention aims to provide an intelligent multichannel distribution system for satellite synchronous signals and an implementation method thereof, which are used for overcoming the defects in the prior art. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The satellite synchronous signal intelligent multichannel distribution system comprises a main unit MU, a remote unit RU, a satellite signal receiving antenna and a signal protector, wherein satellite signals are received through the two-way satellite signal receiving antenna, the satellite signals are accessed to the main unit MU through the signal protector, the main unit MU carries out enhancement processing on the signals through an active amplifying module, the signals are forwarded to the remote units RU through optical fibers, the remote units RU receive the satellite signals transmitted by the main unit MU, uplink/downlink output power is adjusted according to actual requirements, and stable signals are provided for corresponding baseband processing units BBU. Further, one of the master units MU supports a maximum of eight remote units RU. Further, the wireless monitoring module is used for reading the input power and the output power of each path of signal channel. The invention also provides a method for realizing the intelligent multichannel distribution system for the satellite synchronous signals, which comprises the following steps: s1, satellite signals are received through a double-path satellite signal receiving antenna, and are accessed to an RFIN port of a main unit MU through a signal protector, and the main unit MU amplifies double-path input signals; s2, an operator sets a baseband processing unit BBU signal requirement corresponding to each remote unit RU through a local debugging port configuration parameter of the main unit MU, and the main unit MU respectively transmits the processed satellite signals to a plurality of remote units through an SC type optical port; S3, after receiving the optical signals, the remote unit RU completes signal conversion and power adjustment through the built-in module, is connected to the corresponding baseband processing unit BBU through the RFOUT port through a coaxial cable, and simultaneously receives remote power supply provided by the main unit MU through DCOUT 1-8 ports through the DCIN port; S4, through the indication lamps and the wireless monitoring functions of the main unit MU and the remote unit RU,