CN103812564A - Optical antenna system and radio frequency covering device thereof - Google Patents

Optical antenna system and radio frequency covering device thereof Download PDF

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Publication number
CN103812564A
CN103812564A CN201210453494.XA CN201210453494A CN103812564A CN 103812564 A CN103812564 A CN 103812564A CN 201210453494 A CN201210453494 A CN 201210453494A CN 103812564 A CN103812564 A CN 103812564A
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optical
port
radio frequency
antenna
means
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CN201210453494.XA
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Chinese (zh)
Inventor
孔明明
高博
徐雅静
王伟刚
陈为登
王国虎
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深圳国人通信有限公司
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Priority to CN201210453494.XA priority Critical patent/CN103812564A/en
Publication of CN103812564A publication Critical patent/CN103812564A/en

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Abstract

The invention relates to an optical antenna system and a radio frequency covering device thereof. The system comprises a radio frequency access subsystem and an optical antenna subsystem which are connected through an optical fiber. The radio frequency access subsystem comprises a first digital signal processing module, at least one duplexer and an up/down frequency conversion module connected between the first digital signal processing module and the duplexer. The optical antenna subsystem comprises a signal distribution device and at least one radio frequency covering device which are connected through an optical fiber. The signal distribution device comprises a second optical port, a third optical port, a fourth optical port and a second digital signal processing module and a first wavelength division multiplexing/demultiplexing unit which are sequentially connected from the second optical port to the third optical port. The radio frequency covering device comprises a fifth optical port, a sixth optical port and a second wavelength division multiplexing/demultiplexing unit, a radio frequency processing module and a dual polarized antenna module which are sequentially connected from the fifth optical port. The system can conduct synergic covering with a traditional covering network and improves network covering depth.

Description

光纤天线系统及其射频覆盖装置 And a radio frequency antenna system covering the optical fiber means

技术领域 FIELD

[0001] 本发明涉及移动通信信号覆盖系统,更具体地说,涉及光纤天线系统及其射频覆 [0001] The present invention relates to a mobile communication signal coverage systems, and more particularly, to a fiber optic system and a radio frequency antenna cover

盖装置。 Cover means.

背景技术 Background technique

[0002] 移动通信覆盖网络经过多年建设和发展,取得了很大成果。 [0002] mobile communication network coverage After years of construction and development, has made great achievements. 但仍然存在一些难以解决的场景:比如别墅对于站址的获准、城中村传输铺设、沿街商铺站址的选择和物业协调都存在诸多困难,传统设备因体积大安装不便、居民物业对天线的抵触、传输铺设困难等原因往往无法实施。 But there are still some difficult to resolve scenarios: for example, sites of villas for granted, the laying of transmission villages, shops along the street station site selection and coordination of the property there are many difficulties, due to the traditional bulky equipment installation inconvenience residents of the antenna property conflict , the laying of transmission difficulties and other reasons often can not be implemented. 酒店、小区原则上可以部署分布系统,但对于真正需要覆盖的目标区域——室内,常常存在信号的盲区和弱覆盖区,大型场馆穹顶结构传输距离远损耗大使得传输受限,传统系统往往不能有效覆盖。 Hotel, can be deployed on the distributed system cell principle, but actually the target area to be covered - room, and there is often a weak coverage area blind signal, stadium dome structure large transmission distance is limited so that the transmission loss is large, conventional systems often can not effective coverage.

发明内容 SUMMARY

[0003] 本发明的目的是提供一种光纤天线系统及其射频覆盖装置。 [0003] The object of the present invention is to provide an optical fiber and a radio frequency antenna system cover means.

[0004] 本发明光纤天线系统包括射频接入子系统和光纤天线子系统,二者通过光纤连接; [0004] The present invention is an antenna system comprising an optical fiber and fiber optic radio access subsystem antenna subsystems, both connected by an optical fiber;

所述射频接入子系统包括第一数字信号处理模块、至少一个双工器、以及连接于它们之间的上/下变频模块,第一数字信号处理模块连接第一光口,用于与光纤天线子系统通ί目; The radio access subsystem comprises a first digital signal processing module, at least one diplexer, and a connection between them on / down conversion module, a first digital signal processing module connected to the first optical interface for optical fiber antenna subsystem pass ί mesh;

`所述光纤天线子系统包括信号分发装置和至少一个射频覆盖装置,二者通过光纤连 `The optical signal distribution means comprises antenna subsystem and at least one RF coverage means, both connected by an optical fiber

接; Access;

所述信号分发装置包括第二光口、第三光口、第四光口、以及从第二光口到第三光口依次连接的第二数字信号处理模块和第一波分复用/解复用单元,第二、三光口分别用于与射频接入子系统和射频覆盖装置通信,第四光口与第一波分复用/解复用单元连接,用于与FTTX网络的局端通信; Said signal distribution means includes a second optical port, a third optical port, a fourth optical port, and a second digital signal processing module from the second optical fiber cable to the third port are sequentially connected and a first wavelength division multiplexing / demultiplexing multiplexing means, a second, triphosgene port for communicating with each radio access subsystem and the RF coverage, a fourth port connected to a first optical wavelength multiplexing / demultiplexing unit, for the central office and the FTTX network communication;

所述射频覆盖装置包括第五光口、第六光口、以及从第五光口依次连接的第二波分复用/解复用单元、射频处理模块和双极化天线模块,第五光口用于与信号分发装置通信,第六光口与第二波分复用/解复用单元连接,用于与FTTX网络的用户端通信。 The apparatus comprises RF coverage fifth optical port, a sixth optical port, and a second wavelength division multiplexing / demultiplexing successively from the fifth port connected to the optical multiplexing unit, a radio frequency processing module, and dual-polarized antenna module, the fifth light communication port means for distributing the signal, a sixth port and a second optical wavelength multiplexing / demultiplexing units are connected, for communication with the FTTX network client.

[0005] 在本发明所述的光纤天线系统中,可以包括复数个光纤天线子系统,复数个光纤天线子系统以级联方式或者并联方式与射频接入子系统连接。 [0005] In the optical fiber according to the present invention, the antenna system may include a plurality of fiber sub-antennas, a plurality of optical fibers in a cascaded manner or antenna sub-parallel connection with the radio access subsystem.

[0006] 在本发明所述的光纤天线系统中,所述信号分发装置和射频覆盖装置可以集成于同一个壳体内,形成光纤天线。 [0006] In the optical fiber according to the present invention, the antenna system, the RF signal distribution means and cover means can be integrated in the same housing, form an optical fiber antenna.

[0007] 在本发明所述的光纤天线系统中,所述信号分发装置和射频覆盖装置也可以分别装于不同的壳体内,所述信号分发装置具有复数个第三光口,第一波分复用/解复用单元通过第一分光器分别连接复数个第三光口,复数个第三光口分别连接复数个射频覆盖装置。 [0007] In the optical fiber according to the present invention, the antenna system, the RF signal distribution means and covering means may be respectively mounted in different housing, said signal distributing means having a plurality of third optical ports, the first wavelength division multiplexing / demultiplexing means connected to the plurality of third optical port respectively through the first beam splitter, a plurality of third optical port respectively connected to a plurality of radio frequency coverage means. [0008] 在本发明所述的光纤天线系统中,第一波分复用/解复用单元和第四光口可以通过第二分光器连接。 [0008] In the optical system of the antenna of the present invention, the first wavelength multiplexing / demultiplexing unit and the fourth optical port may be connected through a second beam splitter.

[0009] 在本发明所述的光纤天线系统中,所述射频覆盖装置进一步还可以包括第一射频输出接口,第一射频输出接口连接在所述射频处理模块。 [0009] In the optical system of the antenna of the present invention, the apparatus further radio frequency coverage may further include a first RF output connector, a first RF output is connected to the RF processing module.

[0010] 在本发明所述的光纤天线系统中,所述射频覆盖装置进一步还可以还包括合路器、第二射频输出接口和射频输入接口,合路器的两个输入端分别连接所述射频输入接口和所述射频处理模块,合路器的输出端连接所述第二射频输出接口,第二射频输出接口用于连接内置天线的有线电视面板。 [0010] In the optical fiber of the antenna system of the present invention, the apparatus further radio frequency coverage may also further comprise a combiner, two inputs of the second RF output interfaces and RF inputs, respectively connected to the combiner said and the radio frequency RF input interface processing module, an output terminal of said combiner is connected to a second RF output connector, a second RF output interface for connecting the internal antenna cable panel.

[0011] 在本发明所述的光纤天线系统中,所述射频覆盖装置的各模块安装于同一壳体内形成一个整体,射频覆盖装置的外形尺寸可以为80 X 80 X 80mm至300 X 150 X 110mm。 Each module [0011] In the optical fiber according to the present invention, the antenna system, the radio frequency coverage means mounted in the same housing to form a whole, the device dimensions may be radio frequency coverage 80 X 80 X 80mm to 300 X 150 X 110mm .

[0012] 本发明提供的射频覆盖装置,包括第五光口、第六光口、以及从第五光口依次连接的第二波分复用/解复用单元、射频处理模块和双极化天线模块,第五光口用于与信号分发装置通信,第六光口与第二波分复用/解复用单元连接,用于与FTTX网络的用户端通信。 [0012] RF coverage provided by the present invention, comprising a fifth optical port, a sixth optical port, and a unit, a radio frequency processing module and a dual polarized second wavelength division multiplexing / demultiplexing successively from the fifth port connected to the optical multiplexing the antenna module, the fifth optical port to a sixth port optical signal distribution and communication means for communicating with the second wavelength division multiplexing / demultiplexing unit are connected, and FTTX networks for the UE.

[0013] 优选地,第二波分复用/解复用单元、射频处理模块和双极化天线模块从下到上依次层叠设置,射频覆盖装置的外形尺寸小于300X 150X 110mm。 [0013] Preferably, the second wavelength division multiplexing / demultiplexing unit, a radio frequency processing module, and dual-polarized antenna module are sequentially stacked from bottom to top, a radio frequency device dimensions to cover less than 300X 150X 110mm.

[0014] 本发明具有以下有益效果: [0014] The present invention has the following advantages:

本光纤天线系统由射频接入子系统和光纤天线子系统组成,二者之间采用上下行全数字光纤方式双向通信,实现了光纤到天线。 This optical system consists of a radio frequency antenna and the optical fiber access subsystem antenna subsystems, using the uplink and downlink optical digital two-way communication between the two, to achieve a fiber to the antenna. 并且,光纤天线子系统采用波分复用技术,使其信号分发装置和射频覆盖装置之间的信号传输可以复用固网光纤到户的光缆资源。 Further, the use of WDM fiber antenna subsystem, so the signal transmission between the RF signal distribution means and cover means can be multiplexed fixed FTTH cable resources. 由于采用光纤传输,能够降低系统传输损耗。 Since the use of optical fiber transmission system capable of reducing transmission loss.

[0015] 其射频覆盖装置集成了天线单元,实现了天馈和有源设备一体化,无需重新部署天馈,可直接完成信号覆盖,能够灵活隐蔽安装在网络箱、信息箱等固网设施内或灯杆、监控杆等市政设施上,对相应区域进行信号覆盖,从而克服了现有设备站址获准难、居民反感等问题,同时可以省去天馈安装和美化天线的昂贵费用。 [0015] RF coverage which means integrated antenna unit, antenna feeder and achieve integration of active devices, without having to redeploy the antenna feeder, coverage can be done directly, flexibility concealed mounting box in the fixed network facilities, information boxes and other on municipal facilities or poles, rods and other monitoring, signal coverage area corresponding to overcome the difficulties existing equipment approved sites, residents disgusted and other issues, at the same time eliminates the need to install and beautification antenna feeder high cost of the antenna.

[0016] 其射频覆盖装置利用75欧姆阻抗变换技术,能够和广电网有线电视网络协同覆盖,使通信信号和有线电视信号同步传输到室内、并可传输至不同的房间,增加了网络覆盖深度,并且节约了施工周期和费用。 [0016] which means the use of radio frequency coverage 75 ohm impedance transformation techniques, can be synergistic and wide network cable network coverage of the communication signal and the cable television signal to the synchronous transfer chamber, and transported to a different room, increasing the depth of network coverage, and saving the construction period and cost.

附图说明 BRIEF DESCRIPTION

[0017] 图1为第一实施例光纤天线系统的原理框图; [0017] FIG. 1 is a schematic block diagram of an antenna system of the first embodiment of the optical fiber;

图2为其射频覆盖装置的内部结构示意图; Showing the internal structure of the apparatus of Figure 2 for RF coverage;

图3为光纤天线系统的应用示意图; 3 is a schematic of an antenna system application of optical fiber;

图4为光纤天线系统入户的应用示意图; 4 is a schematic view of the application of fiber optic home antenna system;

图5为第二实施例光纤天线系统的原理框图。 FIG 5 is a schematic block diagram of an antenna system of the second embodiment of the optical fiber.

具体实施方式 Detailed ways

[0018] 本发明光纤天线系统可利用现有资源(如驻地网、有线电视网络),通过部署地面覆盖网络和入户覆盖网络,实现与传统覆盖网络(RRU+分布系统、宏基站等)的协同覆盖,从而增加网络覆盖深度。 [0018] The present invention may utilize conventional optical antenna system resources (e.g., CPN, cable television network), the network coverage and network coverage by deploying home ground, to achieve synergistic with conventional overlay network (RRU + distributed system, macro base stations, etc.) coverage, thereby increasing the depth of network coverage. 下面结合附图和实施例对本发明做进一步说明。 The present invention is further described below in conjunction with the accompanying drawings and embodiments. [0019] 图1示出了第一实施例光纤天线系统的原理。 [0019] FIG. 1 shows the principle of a first embodiment of the antenna system of the optical fiber. 如图1所示,第一实施例光纤天线系统包括:射频接入子系统I和光纤天线子系统2,射频接入子系统I用于实现多制式信源信号接入功能,光纤天线子系统2用于实现数字信号传输、分发及射频覆盖,二者通过光纤连接。 As shown, a first optical fiber Example 1 antenna system comprising: a radio frequency antenna and the optical fiber access subsystem subsystem I 2, I radio access subsystem for implementing a multi-standard signal source access function, optical antenna subsystem 2 for digital signal transmission, and distribution of RF coverage, both connected by an optical fiber. 图1中3为FTTX网络(驻地网),它包括局端31 (0LT,光线路终端)、用户端32 (0NU,光网络单元)和分光器33,4为合路器,它们属于现有资源。 1 to FIG. 3 FTTX network (CPN) comprising a central office 31 (0LT, optical line terminal), the UE 32 (0NU, optical network unit) to 33,4 and the beam splitter combiner, which belong to the prior resources.

[0020] 射频接入子系统I包括第一数字信号处理模块15和两个双工器11、12,两个双工器11、12分别通过相应的上/下变频模块13、14连接第一数字信号处理模块15,分别用于接收/发射不同制式的射频信号,第一数字信号处理模块15连接第一光口16,用于与光纤天线子系统2通信。 [0020] I comprises a first radio access subsystem digital signal processing module 15 and the two duplexers 11 and 12, two duplexers 11 and 12 through respective on / down conversion module 13, a first connection digital signal processing module 15, respectively, for receiving / transmitting radio frequency signals of different systems, the first digital signal processing module 15 is connected a first optical port 16, an antenna subsystem for optical fiber communication. 可以理解地,本发明中,射频接入子系统I中双工器的数量并不限于两个,双工器的数量与信号制式的种类有关,可根据实际应用需要灵活设置,还可以是一个或更多个。 It will be appreciated, the present invention, the number of radio access subsystem I, the duplexer is not limited to two, the number of signal format type duplexer related may be flexibly set depending on the application needs, and may be a or more.

[0021] 光纤天线子系统2包括信号分发装置21和至少一个射频覆盖装置22 (图1中只示出了一个射频覆盖装置22),信号分发装置21和射频覆盖装置22通过光纤连接。 [0021] The antenna subsystem 2 comprises a fiber optic signal distribution means 21 and at least one radio frequency coverage means 22 (FIG. 1 shows only one radio frequency coverage means 22), and signal distribution means 21 is connected by an optical fiber 22 RF coverage means.

[0022] 信号分发装置21包括第二光口211、第三光口(OPT 口)212、第四光口(PON 口)213、以及从第二光口211到第三光口212依次连接的第二数字信号处理模块214和第一波分复用/解复用单元215,第二光口211用于与射频接入子系统I通信,第三光口212用于与射频覆盖装置22通信,第四光口213与第一波分复用/解复用单元215连接,用于与FTTX网络3的局端31通信,具体可如图1中所示,将第四光口213与FTTX网络3的分光器33连接,实现和局端31通信。 [0022] The signal distribution unit 21 includes a second optical port 211, a third optical port (OPT port) 212, a fourth optical port (PON port) 213, and the second light from the third port 211 to port 212 are sequentially connected to the light second digital signal processing module 214, and a first wavelength multiplexing / demultiplexing unit 215, a second optical port 211 for communicating with a radio access subsystem I communication port 212 to the third optical means 22 and the radio frequency coverage , a fourth port 213 of the first optical wavelength multiplexing / demultiplexing unit 215 is connected, for communication with the central office 31 FTTX network 3, specifically, as shown in Fig, port 213 and the fourth light FTTX network 33 is connected to the beam splitter 3, and to achieve communications infrastructure 31.

[0023] 射频覆盖装置22包括第五光口221、第六光口(Ρ0Ν 口)222、以及从第五光口221依次连接的第二波分复用/解复用单元223、射频处理模块224和双极化天线模块225,第五光口221用于与信号分发装置21通信,第六光口222与第二波分复用/解复用单元223连接,用于与FTTX网络3的用户端32通信。 [0023] The apparatus 22 comprises a radio frequency coverage fifth optical port 221, a sixth optical port (Ρ0Ν port) 222, and a second wavelength division multiplexing / demultiplexing successively from the fifth optical port 221 connected to a multiplexing unit 223, a radio frequency processing module dual-polarized antenna module 225 and 224, and the fifth optical port 221 for communication signal distribution apparatus 21, a sixth port 222 with the optical unit 223 is connected to a second wavelength division demultiplexing /, for the FTTX network 3 UE 32 communicate.

[0024] 在下行链路中,射频接入子系统I接收到各制式射频信号后,首先通过变频技术将其转换成中频信号,然后进行信号滤波、功率放大等相关数字信号处理后,转换成数字光信号,通过光纤传送至光纤天线子系统2。 After [0024] In the downlink, radio access subsystem I to the respective standard radio frequency signals received by first inverter technology to convert it into an intermediate frequency signal, then signal filtering, power amplification and related digital signal processing, is converted into digital optical signal transmitted to the optical fiber through the optical fiber 2 antenna subsystem. 光纤天线子系统2的信号分发装置21接收到数字光信号之后,通过第二数字信号处理模块214将数字光信号经过处理、转化成模拟光信号,和来自FTTX网络的局端31的光信号一起经第一波分复用/解复用单元215复用后,通过光纤传送至射频覆盖装置22,在第二波分复用/解复用单元223中完成信号解复用后,将FTTX的光信号传送至FTTX网络的用户端32,将通信信号上变频转换成射频信号,经放大后通过射频覆盖装置22内的双极化天线模块225辐射出去。 After the optical subsystem antenna signal distribution apparatus 21 receives the digital optical signal, the digital optical signal 214 by the digital signal processing module after a second treatment, converted into an analog optical signals, and optical signals from the central office 31 FTTX network with a first wavelength division multiplexing / demultiplexing unit 215 after multiplexing by the optical fiber transmission means 22 to the RF coverage in the second wavelength division multiplexing / demultiplexing completion signal demultiplexing unit 223, to the FTTX transmit optical signals to the user terminal FTTX network 32, the radio frequency signal is converted into a communication signal, after amplified in the dual-polarized antenna module means 22,225 be radiated by the radio frequency coverage.

[0025] 在上行链路中,射频覆盖装置22将双极化天线模块225收集到的各种制式的射频信号进行低噪放大和滤波等处理,并将其转换成为数字信号,与来自于FTTX网络的用户端32的光信号进行波分复用后,通过光纤传送至信号分发装置21。 [0025] In the uplink, the radio frequency coverage means 22 dual-polarized antenna module 225 radio frequency signals of various standards to collect noise amplifying and filtering process, and converts it into a digital signal, and from the FTTX after the end user network 32 is a wavelength division multiplexed optical signal through the optical fiber 21 is transmitted to signal distribution unit. 复用信号经第一波分复用/解复用单元215解复用后,FTTX的光信号经第四光口213传送至FTTX网络3的局端31,通信信号经第二数字信号处理模块214处理后,转换成为数字光信号,通过光纤传至射频接入子系统I。 After a first wavelength division multiplexed signal / demultiplexing unit 215 demultiplexes, FTTX optical signal 213 is transmitted to the fourth optical ports 3 FTTX network infrastructure 31, second communication signals via the digital signal processing module after 214 treatment, converted into a digital optical signal transmitted through the optical fiber radio access subsystem I. 射频接入子系统I对接收到数字光信号进行相应数字信号处理和变频,将其还原成射频信号发送至信源。 Radio access subsystem I received optical signal corresponding to the digital signal processing and digital conversion, reduced to the radio frequency signals transmitted to the source.

[0026] 图2示出了射频覆盖装置22的内部结构。 [0026] FIG. 2 shows the internal structure of the device 22 of radio frequency coverage. 如图2所示,射频覆盖装置22的第二波分复用/解复用单元223、射频处理模块224和双极化天线模块225从下到上依次层叠设置。 2, the radio frequency coverage of the second wavelength division multiplexing / demultiplexing means 22 by the unit 223, the RF processing module 224 and from the dual-polarized antenna module 225 are sequentially stacked on. 在图2中,包括一个独立的中频处理模块220,设置在第二波分复用/解复用单元223和射频处理模块224之间,用于完成中频信号和射频信号之间的转换,即变频功能;射频处理模块224主要完成射频信号功率放大;双极化天线模块225主要完成射频信号的收发功能。 In FIG. 2, includes a separate intermediate-frequency processing module 220, is disposed between the second wavelength division multiplexing / demultiplexing unit 223 and the RF processing module 224 for performing conversion between a radio frequency signal and the intermediate frequency signal, i.e., conversion function; RF processing module 224 to complete the main RF power amplifier signal; dual polarized antenna function module 225 sends, receives a radio frequency signal. 在一些实施方式中,也可以将中频处理模块220和射频处理模块224合为一体。 In some embodiments, it may be an intermediate frequency processing module 220 and the RF processing module 224 into one.

[0027] 射频覆盖装置22进一步还包括第一射频输出接口226,第一射频输出接口226连接在射频处理模块224。 [0027] RF coverage apparatus 22 further includes a first RF output interface 226, a first RF output interface 226 is connected to RF processing module 224. 当光纤天线系统用于入户覆盖时,通过第一射频输出接口226,利用合路器4,可以将信号与有线电视(CATV)信号合路,利用有线电视网络将信号传输至各个房间,通过内置天线的有线电视面板实现房间内信号覆盖。 When the fiber covering antenna system for home, a first RF output interface 226 by using a multiplexer 4, the signal cable may (CATV) signal combiner, using a cable television network transmit signals to each room, by built-in antenna cable television panel in the room to achieve coverage.

[0028] 在设计过程中通过调整天线中半波振子的高度,并采用PCB的材料,可以有效的降低天线整体高度,实现天线模块微型化,从而可以进一步缩小射频覆盖装置22的体积。 [0028] In the design process by adjusting the height of the antenna half-wave dipole, and using PCB material, can effectively reduce the overall height of the antenna, to achieve miniaturization of the antenna module, so that the device 22 may further reduce the size of radio frequency coverage. 射频覆盖装置22的外形尺寸通常小于300 X 150 X 110mm,有效功率(设备功率和天线增益之和)通常为2W至20W。 Dimensions of apparatus 22 radio frequency coverage is usually less than 300 X 150 X 110mm, the effective power (power and antenna gain device and) typically 2W to 20W. 一些实施例中,射频覆盖装置22的外形尺寸仅为90 X 90 X 90mm,还有一些较大功率射频覆盖装置22的外形尺寸也仅为283 X 130 X 108mm。 In some embodiments, the RF apparatus 22 covers only dimensions 90 X 90 X 90mm, there are some larger dimensions RF power apparatus cover 22 is only 283 X 130 X 108mm.

[0029] 根据实际应用场景,信号分发装置21和射频覆盖装置22可选择不同的组合方式:信号分发装置21和射频覆盖装置22可以集成在同一个壳体内形成光纤天线,实现“ O损耗”光纤到天线,提升信源效率;信号分发装置21和射频覆盖装置22也可以分别装于不同的壳体内,二者之间采用光纤连接,并且,可以给信号分发装置21设置复数个第三光口212,第一波分复用/解复用单元215通过第一分光器216分别连接复数个第三光口212,复数个第三光口212分别连接复数个射频覆盖装置22,这样可实现信号的再次分发,扩大组网规模。 [0029] Depending on the application scenario, the RF signal distribution means 21 and cover means 22 may select different combinations: signal distributing means 21 and the means 22 may be integrated RF coverage antenna forming an optical fiber in the same housing, to achieve "O Loss" Fiber antenna to improve the efficiency of the source; signal distribution means 21 and the means 22 may be radio frequency coverage are packed in different housings, fiber connections therebetween, and may be provided to signal distribution means 21 a plurality of third optical ports 212, a first wavelength division multiplexing / demultiplexing unit 215 through the first beam splitter 216 are respectively connected to the plurality of third optical port 212, a third plurality of optical ports 212 are respectively connected to a plurality of RF coverage means 22, so that the signal can be achieved distribution once again expanded network scale.

[0030] 本光纤天线系统能够结合传统通信覆盖系统,借助网络箱、信息箱等固网设施和路灯杆、监控杆等市政设施来部署入户覆盖网络和地面覆盖网络,实现与传统覆盖网络的协同覆盖,增加网络覆盖深度。 [0030] The present system is capable of binding to a conventional fiber optic communication antenna covering system by means of fixed facilities and road network boxes, information boxes and other poles, and other municipal facilities monitoring rod to deploy and ground cover overlay network home network, the conventional network coverage collaborative coverage, increase network coverage depth. 图3示意性地表示了光纤天线系统的应用。 FIG 3 schematically shows the application of the optical fiber of the antenna system. 如图3所示,本光纤天线系统既可以将射频覆盖装置22部署在路灯3a、监控杆3b等市政资源,构筑室外地面覆盖网络,也可与FTTX网络3相结合构建入户覆盖网络,图3中,3c表示房间内的内置天线的有线电视面板,3d表示有线电视网的同轴电缆,3e表示FTTX网的光缆。 3, the optical system may be a radio frequency antenna cover deployment device 22 in the street 3a, 3b monitoring rod municipal resources, and build a network outside the ground covering, 3 may be combined with the overlay network home FTTX network construction, FIG. 3, 3c represents a panel built-in antenna cable in the room, 3d represents a coaxial cable network, 3e represents FTTX network cable. 射频接入子系统I能够实现2G、3G、LTE多制式信源信号的同时接入。 I can realize radio access subsystem 2G, 3G, LTE access while multimode source signal.

[0031] 图3中,光纤天线系统包括复数个光纤天线子系统2,复数个光纤天线子系统2分别通过复数条光纤连接至射频接入子系统I的复数个第一光口,即,复数个光纤天线子系统2以并联方式与射频接入子系统I连接。 In [0031] FIG. 3, the antenna system comprising a plurality of optical fibers antenna subsystem 2, a plurality of optical fibers 2 are connected to the antenna sub-radio access subsystem of the plurality of first light I through a plurality of optical fiber ports, i.e., a plurality fiber antenna subsystem 2 is connected in parallel with the radio access subsystem I. 在一些实施方式中,复数个光纤天线子系统2也可以采用级联方式与射频接入子系统I连接,或者采用混合方式。 In some embodiments, the plurality of optical fibers antenna subsystem 2 may in cascade connection with the radio access subsystem I, or a hybrid mode.

[0032] 图4示意性地表示了光纤天线系统入户的应用。 [0032] FIG 4 schematically shows an application of the optical fiber home antenna system. 如图4所示,可以将射频覆盖装置22设置在每个楼层的信息箱4a中,在多媒体信息箱4a内,来自射频覆盖装置22的射频信号和来自CATV线路的有线电视信号通过合路器4合路,利用已安装的CATV线缆4b分布至各个房间4c-4f,通过安装内置天线的有线电视面板4h实现信号的辐射,而不影响原有电视信号。 As shown in FIG 4, the device 22 may be provided at RF coverage information of each floor of the box 4a, 4a in the multimedia message box, the RF signal from the RF unit cover 22 and the cable television signals from the CATV line by combiner 4 combiners, using installed CATV distribution cable to the various rooms 4b 4c-4f, 4h achieved by mounting radiation signal cable panel built-in antenna, without affecting the original television signal. 图4中,4g表不建筑物的弱电井,4j表不电视机。 In Figure 4, 4g table is not building weak wells, 4j table is not TV.

[0033] 图5示出了第二实施例光纤天线系统的原理。 [0033] FIG. 5 shows the principle of a second embodiment of an optical fiber embodiment of the antenna system. 如图5所示,第二实施例光纤天线系统包括:用于实现多制式信源信号接入功能的射频接入子系统I和用于实现数字信号传输、分发及射频覆盖的光纤天线子系统2,二者通过光纤连接。 5, a second embodiment of the optical antenna system comprising: a multi-standard signal source radio access function and access subsystem I, the covered optical fiber distribution and RF antenna subsystem for implementing digital signal transmission 2, both connected through an optical fiber. 图1中3为FTTX网络(驻地网),它包括局端31 (OLT,光线路终端)和用户端32 (ONU,光网络单元)。 1 to FIG. 3 FTTX network (CPN) comprising a central office 31 (OLT, an optical line terminal) and the UE 32 (ONU, Optical Network Unit).

[0034] 射频接入子系统I包括第一数字信号处理模块15和两个双工器11、12,两个双工器11、12分别通过相应的上/下变频模块13、14连接第一数字信号处理模块15,分别用于接收/发射不同制式的射频信号,第一数字信号处理模块15连接第一光口16,用于与光纤天线子系统2通信。 [0034] I comprises a first radio access subsystem digital signal processing module 15 and the two duplexers 11 and 12, two duplexers 11 and 12 through respective on / down conversion module 13, a first connection digital signal processing module 15, respectively, for receiving / transmitting radio frequency signals of different systems, the first digital signal processing module 15 is connected a first optical port 16, an antenna subsystem for optical fiber communication.

[0035] 光纤天线子系统2包括信号分发装置21和至少一个射频覆盖装置22 (图2中只示出了一个射频覆盖装置22),信号分发装置21和射频覆盖装置22通过光纤连接。 [0035] The antenna subsystem 2 comprises an optical fiber signal distribution means 21 and at least one radio frequency coverage means 22 (FIG. 2 shows only one radio frequency coverage means 22), and signal distribution means 21 is connected by an optical fiber 22 RF coverage means.

[0036] 信号分发装置21包括第二光口211、第三光口(OPT 口)212、第四光口(PON 口)213、以及从第二光口211到第三光口212依次连接的第二数字信号处理模块214、第一波分复用/解复用单元215和第一分光器216,第二光口211用于与射频接入子系统I通信,第三光口212用于与射频覆盖装置22通信,第四光口213通过第二分光器217连接第一波分复用/解复用单元215。 [0036] The signal distribution unit 21 includes a second optical port 211, a third optical port (OPT port) 212, a fourth optical port (PON port) 213, and the second light from the third port 211 to port 212 are sequentially connected to the light second digital signal processing module 214, a first wavelength division multiplexing / demultiplexing unit 215 and a first beam splitter 216, a second optical interface 211 for communicating with a radio access subsystem I, a third port 212 for light RF coverage and communication device 22, a fourth port 213 light 217 is connected a first wavelength multiplexing / demultiplexing unit 215 through the second beam splitter. 可以看出,第二实施例与第一实施例的区别之一:第二实施例中,信号分发装置21集成有第二分光器217,第四光口213通过第二分光器217连接第一波分复用/解复用单元215,这样,信号分发装置21可以连接在FTTX网络3中分光器的前端,实现和局端31的通信。 As can be seen, one of the second embodiment differs from the first embodiment: the second embodiment, the signal distributing means 21 integrated with the second beam splitter 217, a fourth port 213 connected to a first optical splitter 217 through the second wavelength multiplexing / demultiplexing unit 215 so that the signal distribution device 21 may be connected to the front end of the beam splitter 3 FTTX network, implementation, and communications infrastructure 31.

[0037] 射频覆盖装置22包括第五光口221、第六光口(Ρ0Ν 口)222、以及从第五光口221依次连接的第二波分复用/解复用单元223、射频处理模块224和双极化天线模块225,第五光口221用于与信号分发装置21通信,第六光口222与第二波分复用/解复用单元223连接,用于与FTTX网络3的用户端32通信,射频覆盖装置22还包括合路器227、第二射频输出接口228和射频输入接口229,合路器227的两个输入端分别连接所述射频输入接口229和所述射频处理模块224,合路器227的输出端连接所述第二射频输出接口228,第二射频输出接口228用于连接内置天线的有线电视面板。 [0037] The apparatus 22 comprises a radio frequency coverage fifth optical port 221, a sixth optical port (Ρ0Ν port) 222, and a second wavelength division multiplexing / demultiplexing successively from the fifth optical port 221 connected to a multiplexing unit 223, a radio frequency processing module dual-polarized antenna module 225 and 224, and the fifth optical port 221 for communication signal distribution apparatus 21, a sixth port 222 with the optical unit 223 is connected to a second wavelength division demultiplexing /, for the FTTX network 3 UE 32 communicating apparatus 22 further comprises a radio frequency coverage multiplexer 227, a second RF output interface 228 and the radio frequency input port 229, the two inputs of multiplexer 227 are connected to the input interface 229 and the radio frequency RF processing module 224, the output of the combiner 227 is connected to the second RF output interface 228, a second RF output connector 228 for connection to the internal antenna cable panel. 可以看出,第二实施例与第一实施例的区别之二:第二实施例中,射频覆盖装置22集成有合路器227,无需外接合路器,即可实现与有线电视信号的合路。 As can be seen, the difference between the second embodiment and the first embodiment two: the second embodiment, device 22 is integrated with the combiner 227, combiner no external RF coverage, can be realized together with the cable television signals road. 在应用第二实施例时,在最终的覆盖区(如房间内)需通过分路器将合路器227合路后的合路信号分开,实现两种信号的分布式覆盖,对于分路器的选择,应与合路器227 —样,阻抗相匹配。 When application of the second embodiment, the required combined signal combiner 227 after the separated final combiner coverage area (e.g., room) through a splitter, to implement distributed coverage of the two signals, for splitter the selection multiplexer 227 should - like to match the impedance.

[0038] 一些实施例的光纤天线系统具有传输复用化和射频覆盖装置微型化的特点。 [0038] Some embodiments of the optical antenna system having a transmission and multiplexing apparatus miniaturized radio frequency coverage characteristics. 天馈有源设备一体化的设计,可以解决站址获准、居民反感,同时省去了天馈安装和昂贵美化天线的费用。 The active antenna and cable equipment integrated design, can solve the sites is granted, residents disgusted, while eliminating the need for expensive landscaping antenna feeder and antenna installation costs. 射频覆盖装置能够灵活隐蔽安装在网络箱、信息箱等固网设施内或灯杆、监控杆等市政设施上,能有效的减少传统通信系统建网过程中站址选择物业协调难、设备安装复杂的问题。 RF coverage system can flexibly mounted concealed in or on poles municipal facilities, etc. in the network monitoring rod boxes, information boxes and other fixed facilities, can effectively reduce the traditional sites in the process of selecting the communication system network construction property coordination difficult, complicated installation The problem. 采用波分复用和阻抗变换,使其传输可以复用固网光纤到户的光缆资源、广电网有线电视的铜缆资源,实现天线入户和不同房间的分布、集约化建设,大大缩短施工周期。 Employ wavelength division multiplexing and impedance transformation, so that it can be multiplexed optical cable transmission fiber to the home fixed-line resource, copper resource wide network cable, to achieve distributed antenna households and different rooms, intensive construction, greatly shorten the construction cycle. 从而有效解决了站址选择难、传输管道铺设难、部署成本高和建网周期长四大制约网络建设的瓶颈。 So as to effectively solve the difficult site selection, transmission pipeline is difficult, costly bottlenecks and deployment of network construction cycle is long four restricted network construction.

[0039] 以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。 [0039] The above are only preferred embodiments of the present invention, the scope of the present invention is not limited to the above embodiments, where the aspect belonging to the idea of ​​the present invention belong to the scope of the present invention. 应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 It should be noted that one of ordinary skill in the art, in the next several improvements and modifications without departing from the principles of the invention premise of these improvements and modifications should also be considered as the scope of the invention.

Claims (10)

1.一种光纤天线系统,其特征在于,包括:射频接入子系统(I)和光纤天线子系统(2),二者通过光纤连接; 所述射频接入子系统(1)包括第一数字信号处理模块(15)、至少一个双工器(11)(12)、以及连接于它们之间的上/下变频模块(13) (14),第一数字信号处理模块(15)连接第一光口(16),用于与光纤天线子系统(2)通信; 所述光纤天线子系统(2)包括信号分发装置(21)和至少一个射频覆盖装置(22),二者通过光纤连接; 所述信号分发装置(21)包括第二光口(211)、第三光口(212)、第四光口(213)、以及从第二光口到第三光口依次连接的第二数字信号处理模块(214)和第一波分复用/解复用单元(215),第二、三光口分别用于与射频接入子系统(I)和射频覆盖装置(22)通信,第四光口与第一波分复用/解复用单元连接,用于与FTTX网络(3)的局端(31)通信; 所述射频覆盖装置(22)包括第五光口(221) An optical fiber antenna system comprising: a radio access subsystem (I) and optical antenna subsystems (2), both connected by an optical fiber; the radio access subsystem (1) comprises a first digital signal processing module (15), at least one diplexer (11) (12), and a connection between them on / down conversion module (13) (14), (15) a first connection of a digital signal processing module an optical interface (16) for an antenna with optical subsystem (2) communicate; the optical antenna subsystem (2) comprises a signal distribution unit (21) and at least one radio frequency coverage means (22), both connected by an optical fiber ; said signal distribution means (21) comprises a second optical port (211), a third optical port (212), a fourth optical port (213), and light from the second port to a third port in sequence is connected to a second optical digital signal processing module (214) and a first wavelength multiplexing / demultiplexing unit (215), a second, triphosgene port for communicating with each radio access subsystem (I) and radio frequency coverage means (22), the first four optical ports of the first wavelength division multiplexing / demultiplexing means connected to, the central office for the FTTX network (3) (31) communicate; the radio frequency covering means (22) comprises a fifth optical port (221) 、第六光口(222)、以及从第五光口依次连接的第二波分复用/解复用单元(223)、射频处理模块(224)和双极化天线模块(225),第五光口用于与信号分发装置(21)通信,第六光口与第二波分复用/解复用单元连接,用于与FTTX网络(3)的用户端(32)通信。 Sixth optical port (222), and a second wavelength division multiplexing / demultiplexing successively from the fifth port connected to the optical multiplexing unit (223), the RF processing module (224) and a dual-polarized antenna module (225), the first a communication port for the five optical signal distribution unit (21), a sixth port and a second optical wavelength multiplexing / demultiplexing means connected to the FTTX network (3) user terminal (32) communication.
2.根据权利要求1所述的光纤天线系统,其特征在于,包括复数个光纤天线子系统(2),复数个光纤天线子系统(2)以级联方式或者并联方式与射频接入子系统(I)连接。 The optical fiber of the antenna system of claim 1, wherein the optical fiber comprises a plurality of sub antennas (2), a plurality of optical fibers antenna subsystem (2) in a cascade or in parallel with the radio access subsystem (I) connection.
3.根据权利要求1所述的光纤天线系统,其特征在于,所述信号分发装置(21)和射频覆盖装置(22)集成于同一个壳体内,形成光纤天线。 The optical fiber of the antenna system of claim 1, wherein said signal distribution means (21) and a radio frequency covering means (22) integrated in the same housing, form an optical fiber antenna.
4.根据权利要求1所述的光纤天线系统,其特征在于,所述信号分发装置(21)和射频覆盖装置(22)分别装于不同的壳体内,所述信号分发装置具有复数个第三光口(212),第一波分复用/解复用单元(215)通过第一分光器(216)分别连接复数个第三光口(212),复数个第三光口分别连接复数个射频覆盖装置。 The antenna system of an optical fiber according to claim 1, wherein said signal distribution means (21) and a radio frequency covering means (22) are packed in different housings, said signal distributing means having a plurality of third optical port (212), a first wavelength division multiplexing / demultiplexing means (215) connected to a plurality of third optical port (212) through a first beam splitter (216), respectively, a plurality of third ports respectively connected to a plurality of optical RF coverage means.
5.根据权利要求1所述的光纤天线系统,其特征在于,第一波分复用/解复用单元(215)和第四光口(213)通过第二分光器(217)连接。 The antenna system of an optical fiber according to claim 1, wherein the first wavelength division multiplexing / demultiplexing are connected by a second beam splitter (217) unit (215) and a fourth optical port (213).
6.根据权利要求1所述的光纤天线系统,其特征在于,所述射频覆盖装置(22)还包括第一射频输出接口(226),第一射频输出接口(226)连接在所述射频处理模块(224)。 The optical fiber of the antenna system of claim 1, wherein the radio frequency covering means (22) further comprises a first RF output interface (226), a first RF output connector (226) connected between the RF processing module (224).
7.根据权利要求1所述的光纤天线系统,其特征在于,所述射频覆盖装置(22)还包括合路器(227)、第二射频输出接口(228)和射频输入接口(229),合路器(227)的两个输入端分别连接所述射频输入接口(229)和所述射频处理模块(224),合路器的输出端连接所述第二射频输出接口(228),第二射频输出接口用于连接内置天线的有线电视面板。 The antenna system of an optical fiber according to claim 1, wherein the radio frequency covering means (22) further comprises a multiplexer (227), a second RF output interface (228) and a radio frequency input port (229), combiner (227) are connected to two inputs of the RF input interface (229) and the RF processing module (224), the output of combiner output is connected to the second RF interface (228), the first two output RF interface for connecting the internal antenna cable panel.
8.根据权利要求1所述的光纤天线系统,其特征在于,所述射频覆盖装置(22)的各模块安装于同一壳体内形成一个整体,射频覆盖装置(22)的外形尺寸为80X80X80mm至300X150 X 110mm。 8. The antenna system of an optical fiber according to claim 1, wherein each of said radio frequency module cover means (22) mounted within the same housing is formed integrally, radio frequency coverage means (22) to the external dimensions of 300X150 80X80X80mm X 110mm.
9.一种射频覆盖装置,其特征在于,包括第五光口(221)、第六光口(222)、以及从第五光口依次连接的第二波分复用/解复用单元(223)、射频处理模块(224)和双极化天线模块(225),第五光口用于与信号分发装置(21)通信,第六光口与第二波分复用/解复用单元连接,用于与FTTX网络(3)的用户端(32)通信。 9. A radio frequency cover means, characterized in that it comprises a fifth optical port (221), a sixth optical port (222), and a second wavelength division multiplexing / demultiplexing successively from the fifth port connected to the optical multiplexing unit ( 223), the RF processing module (224) and a dual-polarized antenna module (225), a fifth port for an optical signal distribution means (21) communicating the sixth port of the second optical wavelength multiplexing / demultiplexing unit connection for the FTTX network (3) user terminal (32) communication.
10.根据权利要求9所述的射频覆盖装置,其特征在于,第二波分复用/解复用单元、射频处理模块(224)和双极化天线模块(225)从下到上依次层叠设置,射频覆盖装置的外形尺寸小于300X150 X 110mm。 10. The apparatus of claim RF coverage according to claim 9, wherein the second wavelength division multiplexing / demultiplexing unit, a radio frequency processing module (224) and a dual-polarized antenna module (225) are sequentially stacked from bottom to top setting, a radio frequency device dimensions covers less than 300X150 X 110mm.
CN201210453494.XA 2012-11-13 2012-11-13 Optical antenna system and radio frequency covering device thereof CN103812564A (en)

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