Distributed antenna system, method and device

A distributed antenna and expansion unit technology, applied in the field of communication, can solve the problem of high construction cost of the new digital room distribution system, achieve the effects of reducing device cost and operating power consumption, easy expansion, and improving transmission bandwidth

Active Publication Date: 2019-09-24
COMBA TELECOM SYST CHINA LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to provide a distributed antenna system, method and device for the high construction cost of the new digital room distribution system

Method used

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  • Distributed antenna system, method and device
  • Distributed antenna system, method and device
  • Distributed antenna system, method and device

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Embodiment Construction

[0046] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. A preferred embodiment of the application is shown in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0047]It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to and integrally integrated with the other element, or there may be an intervening element at the same time. The terms "first port", "first transmission port", "other end" and similar expressions are used herein for the purpose of description only.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same me...

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Abstract

The invention relates to a distributed antenna system, method and device. The distributed antenna system comprises a digital-to-analog expansion unit and a far-end cascade chain. The far-end cascade chain comprises a plurality of far-end units which are in cascade connection through radio frequency cables, and the head-stage far-end unit of the far-end cascade chain is connected with the digital-to-analog expansion unit through the radio frequency cables. And the digital-to-analog expansion unit is used for carrying out baseband processing operation on the received external signal and carrying out mutual conversion operation on the analog radio frequency signal and the digital radio frequency signal. Based on this, the digital-to-analog expansion unit and the remote unit adopt a daisy chain topological structure based on cable connection, so that the cost of a transmission link can be effectively reduced while the transmission bandwidth is improved. Moreover, the digital-to-analog expansion unit executes baseband processing, and the far-end unit does not need baseband processing equipment, so that the device cost and the operation power consumption of the system can be effectively reduced. The system has the characteristics of supporting multi-mode and multi-frequency, cell splitting and the like, and is easy to expand the capacity and low in construction difficulty.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a distributed antenna system, method and device. Background technique [0002] In the era of 4G (the 4th Generation mobile communication technology, the fourth generation mobile communication technology), some business-intensive scenarios (such as airports, railway stations, large venues, etc.) introduce new digital indoor distribution systems. The new digital room distribution system has the advantages of simple deployment, low construction difficulty, flexible expansion, convenient operation and maintenance, etc., which greatly improves the network capacity. [0003] However, for the upcoming 5G (5th-Generation, fifth-generation mobile communication technology) era, in order to cope with more and more new mobile services, rigid requirements such as large bandwidth, high capacity, and low latency are put forward for the network. Its construction is characte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0413
CPCH04B7/0413Y02D30/70H04W88/085H04B7/0452H04B1/40H04B7/024H04B10/07955H04B10/25753H04B10/564H04B2210/006
Inventor 罗漫江樊奇彦张航
Owner COMBA TELECOM SYST CHINA LTD
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