Link-type optical fiber repeater signal transmission method and link-type optical fiber repeater
A fiber optic repeater and signal transmission technology, applied in optical fiber transmission, fiber optic radio, etc., can solve the problem that the fiber optic repeater cannot meet the relay communication requirements of wireless communication system users, cannot install relay equipment, and the length of optical transmission routes Inconsistent user distribution and other issues
Inactive Publication Date: 2013-03-27
STATE GRID CORP OF CHINA +1
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[0002] In the current wireless system, there are many kinds of wireless communication systems, such as GSM, WCDMA, TD-SCDAM, CDMA2000, intercom private network and other wireless communication systems. In the existing technology, the above wireless communication systems have their own The dedicated optical fiber repeater is used as a relay device, but in some special areas and tunnels, due to the inconsistency of the network planning of each wireless communication system, the location of the base station of each system, the limitation of the number of optical fibers, the number of links of the optical fiber repeater, and the optical transmission route Influenced by factors such as inconsistent length and user distribution, mutual interference, and isolation requirements between systems, in these areas, all relay equipment cannot be installed in them to meet the relay requirements of various wireless communication systems. Therefore, the existing The optical fiber repeater cannot meet the relay communication requirements of each wireless communication system user in this type of area
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[0019] Below take accompanying drawing as an example to illustrate the embodiment of the present invention:
[0020] figure 1 It is an electrical principle diagram of a link-type optical fiber repeater station according to an embodiment of the present invention. Composed of an optical splitter, an optical transmission transmitter, and an optical transmission receiver, it is characterized by multiple signal characteristic parameter detectors, multiple programmable signal amplitude frequency and delay characteristic parameter regulators, and a wireless receiving signal combiner , a wireless receiving signal power splitter, a wireless transmitting signal combiner, a wireless transmitting signal power splitter, a subcarrier transmission modem, a transmission direction optical splitter, two external line optical splitters, two optical Signal amplification transmission splitter, two optical signal amplifiers, figure 1Middle: 1-1~1-n are wireless receivers, which adopt conventional...
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The invention introduces a link-type optical fiber repeater signal transmission method and a link-type optical fiber repeater which comprise a power supply, a microprocessor, an antenna feeder system, a wireless receiver, a wireless transmitter, an outside optical fiber, a mixer, a power divider, an optical splitter, an optical transmitter, an optical receiver and the like, so that the optical fiber repeater can offer wireless communication relay transmission services to various wireless communication system users in special areas and tunnels, can meet the requirements of reducing the number of used optical fibers, the interference and isolation among systems and the like, so as to realize the long-distance optical transmission relay among optical fiber repeaters when there are a plurality of optical fiber repeater links, and be able to adapt to the relay transmission of various wireless communication systems.
Description
technical field [0001] The invention is a wireless communication relay transmission technology, which is suitable for relay transmission of a wireless communication system in a weak field section, and belongs to the technical field of wireless communication. Background technique [0002] In the current wireless system, there are many kinds of wireless communication systems, such as GSM, WCDMA, TD-SCDAM, CDMA2000, intercom private network and other wireless communication systems. In the existing technology, the above wireless communication systems have their own The dedicated optical fiber repeater is used as a relay device, but in some special areas and tunnels, due to the inconsistency of the network planning of each wireless communication system, the location of the base station of each system, the limitation of the number of optical fibers, the number of links of the optical fiber repeater, and the optical transmission route Influenced by factors such as inconsistent leng...
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IPC IPC(8): H04B10/2575
Inventor 耿直
Owner STATE GRID CORP OF CHINA
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