Remote clock system, equipment and information transmission method
A clock and equipment technology, applied in the field of equipment and information transmission, clock remote system, can solve the problem of limited distance between satellite antenna integrated machine and receiving equipment, etc.
Active Publication Date: 2014-04-16
DATANG MOBILE COMM EQUIP CO LTD
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[0006] The embodiment of the present invention provides a remote clock system, equipment and information transmission method, which is used to solve the problem of limited distance between the satellite antenna integrated machine and the receiving equipment in the prior art
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[0072] In order to solve the problem of the limited distance between the satellite antenna integrated machine and the receiving device, an embodiment of the present invention provides a remote clock system, in which the clock transceiver module converts the electrical signal output by the satellite receiver into an optical signal Then send it to the clock recovery device through the optical fiber, and the clock recovery device converts the optical signal into an electrical signal and sends it to the clock receiving device.
[0073] like figure 2 As shown, a remote clock system provided by an embodiment of the present invention includes:
[0074] A clock transceiver module, connected to the satellite receiver, used to receive the electrical signal output by the satellite receiver, convert the electrical signal into an optical signal transmitted on the optical fiber, and send the optical signal to the clock recovery device through the optical fiber;
[0075] A clock recovery ...
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The invention discloses a remote clock system, remote clock equipment and an information transmission method, which relate to the field of wireless communication and are used for solving the problems of distance limitations between a satellite antenna all-in-one machine and receiving equipment in the prior art. The information transmission method comprises that: a clock transceiver module receives an electrical signal from a satellite receiver, converts the electrical signal into an optical signal transmitted on an optical fiber, and transmits the optical signal to clock recovery equipment by the optical fiber; the clock recovery equipment receives the optical signal, converts the optical signal into the electrical signal, and transmits the electrical signal to clock receiving equipment; and the clock receiving equipment receives the electrical signal from the clock recovery equipment. By the remote clock system, the remote clock equipment and the information transmission method, the problems of distance limitations between the satellite antenna all-in-one machine and the receiving equipment are solved.
Description
technical field [0001] The invention relates to the field of wireless communication, in particular to a remote clock system, equipment and information transmission method. Background technique [0002] The current all-in-one satellite antenna machine uses cables as the transmission medium. The satellite receiver and satellite antenna of the all-in-one satellite antenna machine are located in an antenna cavity. The all-in-one machine uses serial ports and power supply ports defined by industry standards. This definition includes pin definition and interaction. protocol. [0003] like figure 1 As shown, the satellite receiver in the satellite antenna integrated machine generates a clock timing (PPS) signal and a time of date (Time of Date, TOD) message after signal interaction with the satellite, and transmits the PPS and TOD through the cable between the receiving device The message is sent to the receiving device. The receiving device obtains the time information synchron...
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IPC IPC(8): H04B7/185H04B7/26
Inventor 翟宇坤张连栋庞贺张练
Owner DATANG MOBILE COMM EQUIP CO LTD