Main/standby switching method, system and equipment of IR (Interface between the Radio Remote Unit and the Baseband Processing Unit) ports

Abstract

The invention discloses a main / standby switching method, a system and equipment of IR (Infrared Radiation) ports. The method comprises the following steps of: detecting the states of a main IR port and a standby IR port by BBU (Baseband Processing Unit) equipment in real time; if the main IR port is detected to be abnormal and the standby IR port is detected to be normal, sending a main / standby switching command of the IR ports to RRU (Radio Remote Unit) equipment by the BBU equipment; and switching service data and an application layer message which are transmitted on the optical fiber of the main IR port onto the optical fiber of the standby IR port for transmitting. By utilizing the invention, the influences on the service loaded on the RRU equipment of the main / standby switching of the IR ports can be greatly reduced.

Description

technical field [0001] The invention relates to communication technology, in particular to a method, system and equipment for active / standby switching of an IR port. Background technique [0002] The 3G network uses a large number of distributed base station architectures, and the remote radio unit (RRU) and the baseband processing unit (BBU) need to be connected by optical fibers. One BBU can support multiple RRUs. The BBU+RRU multi-channel solution can well solve the indoor coverage of large venues. [0003] Usually, optical fiber transmission is used between BBU and RRU. For the downlink direction: baseband digital signals are transmitted between BBU and RRU, so that the base station can control a user's signal to be transmitted from the designated RRU channel, which can greatly reduce the impact on other users in the cell. The interference of users on the channel; for the uplink direction: the user's mobile phone signal is received by the nearest channel, and then tran...

AI Technical Summary

Problems solved by technology

[0015] 1. The switching of the active and standby channels is started after the business is abnormal. The switching time is too late, which will lead to business interruption;

[0016] 2. RRU active / standby switching needs to reconnect to the base station, which will cause the cells built on the RRU to be out of service, seriously affecting service quality

[0017] In addition, when the RRU main channel is abnormal, it cannot communicate with the base station, so the RRU main and standby channel switching is very blind; and for the RRU in the switching state, the base station cannot monitor its operation status

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