Indoor Fiber Distribution System

A technology of optical fiber distribution system and optical switching unit, which is applied in the direction of optical fiber transmission, can solve the problems of repeated investment and construction difficulties, and achieve the effect of solving multi-network coexistence, meeting large-scale scene coverage, and improving traffic absorption capacity

Active Publication Date: 2015-10-14
深圳国人无线通信有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The repeated investment in multi-network construction is serious and the construction is difficult. It has become a difficult problem for network builders to solve the indoor coverage problem of multi-network shared buildings.

Method used

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Embodiment Construction

[0028] The indoor digital optical fiber distribution system provided by the present invention includes service access equipment, switching equipment and radio frequency equipment connected through optical fibers. Wherein, the service access equipment includes at least one multi-service access platform (MSAP), the switching equipment includes at least one optical switching unit (OSU), and the radio frequency equipment includes at least one optical radio frequency unit (ORU).

[0029] The present invention adopts advanced digital signal processing technology to input radio frequency signal sources of different formats into a multi-service access platform (MSAP) for digital processing, which mainly includes signal sampling, digital up-down conversion, digital filtering processing and digital transmission protocol processing etc., and then transmitted to the Optical Switching Unit (OSU) through optical fiber, OSU performs digital processing and filtering on digital signals of diffe...

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Abstract

The invention relates to an indoor optical fiber distribution system, comprising a multi-service access platform (MSAP), an optical switching unit (OSU) and an optical radiofrequency unit (ORU). The MSAP and the OSU are subjected to the two-way digital signal transmission through an optical fiber. In a down link, the MSAP transmits signals to the OSU by a broadcasting manner, and the OSU processes the signals and then transmits radiofrequency signals to the ORU by an optical fiber. The OSU can be connected with a plurality of low-power optical radiofrequency units so as to realize the multi-point coverage. The indoor optical fiber distribution system realizes the common accessing of multiple networks and multiple services, is beneficial to construction of a multi-access heterogeneous network and co-construction and sharing, solves the problem that the multiple networks do not exist simultaneously, realizes the large-scale networking in a networking mode, and meets the requirement of large-scene coverage.

Description

【Technical field】 [0001] The present invention relates to signal coverage technology, in particular to an indoor optical fiber distribution system, which is especially suitable for common access and networking of multi-mode, multi-service and wired broadband services in large-scale scenes and complex environments. 【Background technique】 [0002] With the rapid and large-scale development of mobile communications, indoor coverage has become an important task in network engineering construction and optimization. Due to the serious shielding effect of buildings on wireless signals, large buildings still have weak signal coverage areas, blind areas and shadow areas where mobile phones cannot be used, and signals from different surrounding base stations overlap, resulting in a ping-pong effect, frequent switching of mobile phones, and even dropped calls. It affects the normal use of mobile phones. In addition, in some buildings, although the mobile phone can communicate normally,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/25
Inventor 高博周国勇孔明明陈为登王伟刚
Owner 深圳国人无线通信有限公司
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