Abstract: The traditional stability control technology of heterogeneous communication network is prone to signal distortion in the transmission process, and the stability control effect is not obvious. Therefore, a stability control technology for heterogeneous communication networks with delay constraints is studied. According to different types of electronic signals, different acquisition templates are used to process information. Pattern recognition,probability method and conversion algorithm are used to identify the output results of stability control. The work flow is simplified, and is divided into four steps: initial data check, free network establishment, displacement change rate establishment and fluctuation value control, effectiving improving the anti-interference ability of
heterogeneous communication network system. The experimental results show that the stability control technology can effectively improve the control efficiency and keep the heterogeneous communication network running in a stable state.

Key words: delay constraint, heterogeneous communication network, stability control, pattern recognition