Multi-network co-channel processing method applied to multi-network indoor distributed system

An indoor distribution system and processing method technology, which is applied in the field of multi-network combination processing, can solve the problems of restricting utilization rate, large size, and heavy weight, and achieve the effect of strengthening the isolation of sending and receiving, small size, and light weight

Inactive Publication Date: 2014-08-06
SUIZHONG SHIJUN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of equipment is too bulky and relatively heavy, which affects its use. At the same time, cost factors also restrict the utilization rate of this technology.

Method used

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  • Multi-network co-channel processing method applied to multi-network indoor distributed system
  • Multi-network co-channel processing method applied to multi-network indoor distributed system
  • Multi-network co-channel processing method applied to multi-network indoor distributed system

Examples

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Embodiment Construction

[0018] Method 1: According to figure 1 As shown, one path of the network signal connected from the antenna interface passes through the LC filter for uplink and downlink output, and the other path passes through the dielectric duplexer for uplink or downlink output.

[0019] Method 2: According to figure 2 As shown in the figure, the network signal connected from the antenna interface is respectively uplinked or downlinked through two dielectric duplexers.

[0020] according to image 3 As shown, when a duplexer is used for communication signal processing, the circuit used is:

[0021] The automatic number recognizer 1 receives the standard communication signal, and then transmits it after passing through the first inductor 2 and the second inductor 3 .

[0022] After connecting the L3 inductance coil 3.1 and the L6 inductance coil 3.5 through the second inductor signal, a standard signal is formed through the monitor 7 and transmitted through the standard communication tr...

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Abstract

The invention provides a multi-network co-channel processing method applied to a multi-network indoor distributed system. The multi-network co-channel processing method comprises the steps of: 1, carrying out http: / / dict.cn / 9%3F@@*=%3F2@@@5%250uplink and downlink output on one path of network signals accessed from an antenna interface through an LC (Inductor Capacitor) filter, and carrying out http: / / dict.cn / 9%3F@@*=%3F2@@@5%250uplink or downlink output on the other path of network signals through a dielectric duplexer; and 2, carrying out uplink or downlink output on network signals accessed from the antenna interface through two dielectric duplexers respectively. The invention has the characteristics of reinforcing receiving-transmitting isolation which can be 60 dB at different frequencies, reducing low-noise amplifier saturation caused by signal leakage in a non-working area, and being small in volume and light in weight, and is suitable for being applied in network communication.

Description

technical field [0001] The invention proposes a signal processing technology in the communication field, specifically a multi-network combination processing method applied to a multi-network indoor distribution system. Background technique [0002] In response to the call for multi-network integration and to save resources, a variety of multi-network integration technologies have been developed for multi-network standard signal coverage and co-location co-construction. There are many ways to combine different networks at the antenna interface. The traditional metal coaxial cavity filter combiner has the disadvantages of large size, heavy weight, and high price, which affect practical applications. [0003] The existing POI-multi-system combination platform is mainly used for indoor coverage of large buildings such as subways, convention centers, exhibition halls, and airports. The system uses a frequency combiner and a bridge combiner to combine mobile signals of multiple ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/14
Inventor 邓泽林
Owner SUIZHONG SHIJUN TECH
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