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A time-frequency synchronization integrated realization system and realization method

A time-frequency, system-realizing technology, applied in time-division multiplexing systems, transmission systems, synchronization devices, etc., can solve problems such as high maintenance costs, high network construction costs, and difficult maintenance, to facilitate network construction costs and reduce The effect of network construction costs

Active Publication Date: 2017-06-16
DATANG TELECOM TECH CO LTD
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Problems solved by technology

[0003] At present, frequency synchronization and time synchronization are almost two separate types of equipment on the market. If users want to achieve frequency and time synchronization, they must purchase two types of equipment at the same time and connect them to the system separately, so that the cost of network construction is relatively high. , difficult maintenance, high maintenance costs and other defects

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  • A time-frequency synchronization integrated realization system and realization method
  • A time-frequency synchronization integrated realization system and realization method

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Embodiment Construction

[0042] Below in conjunction with accompanying drawing, technical scheme of the present invention will be further described

[0043] Such as figure 1 As shown, the present invention is a logic block diagram of an integrated realization scheme of time-frequency synchronization. The solution consists of the following units: time reference input unit, frequency reference input unit, clock control unit, time output unit, frequency output unit, system control unit, power supply unit, fan unit, and backplane unit.

[0044] The time reference input unit adopts MAX3232ESE chip + RJ45 socket to receive time reference signal input.

[0045] The frequency reference input module uses DS26303 chip + CC4 coaxial head to receive frequency reference signal input.

[0046] The clock control unit is the core part of this scheme. The clock control unit is composed of S3C2440+XC3S700AN+high-precision rubidium clock. It is mainly responsible for receiving the reference signal of the time-freque...

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Abstract

The invention discloses a time-frequency synchronization integrated implementation system and implementation method, comprising a time reference input unit, a frequency reference input unit, a clock control unit, a time output unit, a frequency output unit, a system control unit, a power supply unit, a fan unit, and a Backplane unit; the present invention combines the time reference input unit and the frequency reference input unit, through the system control unit to query and configure the alarm, input and output status, and performance parameters of the entire equipment, and realize the simultaneous fusion of time synchronization and frequency synchronization. It provides users with great convenience for network construction and reduces network construction costs, and can flexibly meet the different requirements of different users for time and frequency synchronization.

Description

technical field [0001] The invention belongs to the technical field of time-frequency synchronization, and in particular relates to an integrated realization system and method for time-frequency synchronization. Background technique [0002] In the communication industry, there has always been a high requirement for time and frequency synchronization. In the past, there was a need for frequency synchronization. Now, with the development and maturity of 3G / 4G technology and the development of various emerging technologies such as synchronous Ethernet, not only frequency synchronization is required, but also time synchronization is required. [0003] At present, frequency synchronization and time synchronization are almost two separate types of equipment on the market. If users want to achieve frequency and time synchronization, they must purchase two types of equipment at the same time and connect them to the system separately, so that the cost of network construction is rela...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/06H04L7/00
Inventor 黄成
Owner DATANG TELECOM TECH CO LTD
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