Indoor distribution system and networking method thereof

An indoor distribution system and unified technology, applied in communication between multiple stations, radio/inductive link selection arrangement, selection device, etc., can solve the problem of not being able to provide multi-operator sharing, consuming more baseband resources, and coverage effects Unevenness and other problems, to achieve the effect of easy acquisition and construction, easy network optimization, and reduced operating costs

Inactive Publication Date: 2008-08-20
HUAWEI TECH CO LTD
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Problems solved by technology

The performance of passive system equipment is stable and easy to maintain. However, after the signal passes through the power splitter, coupler and line attenuation, the strength of the signal reaching each antenna is different, resulting in uneven coverage. Specifically, the passive system has the following problems :
[0012] In some large buildings, the use of RRU-based ADAS generally requires dozens of low-power RRUs for remote coverage,

Method used

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  • Indoor distribution system and networking method thereof
  • Indoor distribution system and networking method thereof
  • Indoor distribution system and networking method thereof

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Embodiment Construction

[0081] The core idea of ​​the present invention is: the indoor distribution system of the present invention mainly includes a BBU, an RHUB and an RRU that provide routing for baseband information, wherein a BBU routing module is provided in the BBU, which is used to route the downlink digital baseband signals that belong to the same RRU group but The digital baseband signals that do not belong to the same RHUB are copied and forwarded, and the uplink digital baseband signals from different RHUBs that belong to the same RRU group are weighted and summed; the RHUB routing module is set in the RHUB for downlink digital baseband signals that belong to the same RRU group. The digital baseband signals of the RRU group are copied and forwarded, and the uplink digital baseband signals from the same RRU group are weighted and summed; in addition, interface modules for mutual connection are provided in the BBU, RHUB and RRU.

[0082] The indoor distribution system of the present inventio...

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Abstract

Disclosed is an indoor distributed system and network organizing method thereof. The invention is mainly aimed at providing an indoor distributed system that mainly includes BBU, RRU and RHUB providing routing for baseband information. The indoor distributed system makes it possible to satisfy a requirement for supporting a large-scale indoor coverage for an easy expansion and reduced operating cost. Another object of the invention is to provide a network organizing method of the indoor distributed system, thereby realizing plural networking modes of indoor distributed system with simple and flexible operation.

Description

technical field [0001] The invention relates to base station technology, in particular to an indoor distribution system and a method for forming a network through the system. Background technique [0002] The buildings in modern cities are getting taller, more and more dense, and the radio signals of wireless communication are blocked and attenuated. Most modern buildings use reinforced concrete as the skeleton, plus fully enclosed exterior decoration, Radio signals are severely shielded and attenuated, making normal communication difficult in such buildings. [0003] In addition, in the lower floors of high-rise buildings, base station signals are usually weak, such as underground parking lots, underground shopping malls, subways, tunnels, etc. Therefore, the signals entering the room are usually messy and unstable, especially in the middle and high-rise buildings of some high-rise buildings that are not completely enclosed. , Reflection, diffraction and other means of en...

Claims

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Application Information

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IPC IPC(8): H04Q7/30H04B7/26
Inventor 蒲涛兰鹏吴旺军
Owner HUAWEI TECH CO LTD
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