CN103634785B - Radio Network System - Google Patents

Abstract

The invention discloses a kind of Radio Network System, prior art can only be transmitted by cable network between BBR and RRU of Radio Network System in order to solving, it is not suitable for outlying district and is not easy to lay the application scenarios of cable network, and the problem that Radio Network System is limited to pass through optical fiber private network and core network communications.This system includes: the SGW being connected with LTE system core net by public network and security gateway, SGW connects at least one Wireless Access Unit RAU by security gateway, each RAU is connected to LTE core network also by security gateway, RAU connects an ODU, microwave communication is carried out by an ODU and the 2nd ODU between far-end capping unit RRU connection the 2nd ODU, RAU and RRU.

Description

Radio Network System

Technical field

The present invention relates to mobile communication system, in particular it relates to a kind of Radio Network System.

Background technology

3G network includes Long Term Evolution (LTE, Long Term Evolution) core net and wireless access network, Wireless access mesh portions includes several Radio Network Systems (RNS, Radio Network System).As Shown in Fig. 1, a RNS includes a network controller (RNC, Radio Network Controller) With several base stations (Node B).The implementation of base station includes distributed base station, in distributed base station, By the baseband processing unit (BBU, Base Band Unit) in base station and RF processing unit (RRU, Remote Radio Unit) separate, the two is connected by optical fiber.

BBU is linked into LTE core network by RNC, and BBU mainly realizes mobile station (MS, Mobile Station) conversion between the data in communication process and signaling and baseband signal is moved.

RRU mainly realizes the baseband signal from BBU is converted to radiofrequency signal, and radiofrequency signal is led to Cross antenna opening and be sent to MS, it is achieved the wireless coverage of signal, and receive the upstream radio-frequency letter from MS Number, upstream radio-frequency signal is converted to baseband signal, baseband signal is sent to BBU.

But, in the above-mentioned network architecture, need between BBU and RRU to be communicated by cable network, It is not suitable for the application scenarios being not suitable for laying cable network in outlying district, and, Radio Network System needs Optical fiber private network to be passed through communicates with core net, optical fiber private network break down or private network transmission not in place In the case of, Radio Network System will be caused cannot to communicate with core net.

Visible, in existing Radio Network System, exist and be not suitable for backwoodsman application scenarios, with And the problem being limited to pass through optical fiber private network and core network communications.

Summary of the invention

In view of this, a kind of Radio Network System is embodiments provided, in order to solve in prior art Can only be transmitted by cable network between BBU and RRU of Radio Network System, not be suitable for outlying Area is not easy to lay the application scenarios of cable network, and Radio Network System is limited to pass through optical fiber Private network and the problem of core network communications.

Embodiment of the present invention technical scheme is as follows:

A kind of Radio Network System, including: the SGW being connected with LTE system core net by public network And security gateway, SGW connects at least one Wireless Access Unit (RAU, Remote by security gateway Access Unit), each RAU is connected to LTE core network also by security gateway, and RAU connects first Microwave outdoor transmitter (ODU, Out-Door Unit), far-end capping unit (RRU, Remote Radio Unit) carry out micro-by an ODU and the 2nd ODU between connection the 2nd ODU, RAU and RRU Wave communication；

SGW is connected with LTE core network by S1-MME interface, and security gateway passes through S1-MME Interface is connected with SGW, and security gateway is connected with LTE core network by S1-U interface, RAU By S1-MME interface and SGW communication, RAU is connected with security gateway by S1-U interface； Wherein,

SGW, for entering the signaling in the communication process of MS between LTE core network and RAU Row converges and forwards；

Security gateway, for signaling that SGW is communicated with RAU and LTE core network and The data of RAU communication carry out safety detection；

RAU, for by from SGW and by the communication process of the MS of security gateway safety detection In signaling and from LTE core network and by the communication process of the MS of security gateway safety detection Data be converted to baseband signal, and the baseband signal being converted to is converted to analogue signal, simulation is believed Number it is sent to an ODU；Receive the analogue signal from an ODU, convert analog signals into base band Signal, is converted to signaling and data by the baseband signal being converted to, and the signaling being converted to is sent to letter Make gateway, the data being converted to are sent to LTE core network；

Oneth ODU, for the analogue signal from RAU is converted to radiofrequency signal, sends out radiofrequency signal Give the 2nd ODU；Receive the radiofrequency signal from the 2nd ODU, the radiofrequency signal received is converted to Analogue signal, is sent to RAU by analogue signal；

2nd ODU, for receiving the radiofrequency signal from an ODU, is converted to simulation by radiofrequency signal Signal, is sent to RRU by analogue signal；Receive the analogue signal from RRU, analogue signal is changed For radiofrequency signal, radiofrequency signal is sent to an ODU；

RRU, for by being converted to baseband signal from the analogue signal of the 2nd ODU, turns baseband signal It is changed to radiofrequency signal, radiofrequency signal is sent to MS；Receive the radiofrequency signal from MS, will receive Radiofrequency signal be converted to baseband signal, baseband signal is converted to analogue signal, the simulation that will be converted to Signal is sent to the 2nd ODU.

Preferably, described system also includes: the 3rd IDU, the 3rd ODU and the 4th ODU, security gateway It is connected to the 3rd IDU, the 3rd IDU and is connected to the 3rd ODU, RAU also includes the 4th IDU, the 4th IDU is connected to the 4th ODU；

3rd IDU, is converted into analogue signal by the signaling detected by security gateway safety or data, will The analogue signal being converted to is sent to the 3rd ODU；Letter will be converted into from the analogue signal of the 3rd ODU Order or data are sent to security gateway；

3rd ODU, is converted to the analogue signal from the 3rd IDU radiofrequency signal, and is led to by microwave Radiofrequency signal is sent to the 4th ODU by the mode of letter；Mould will be converted to from the radiofrequency signal of the 4th ODU Intend signal, the analogue signal being converted to is sent to the 3rd IDU；

4th ODU, is converted to the radiofrequency signal from the 3rd ODU analogue signal, and will be converted to Analogue signal be sent to the 4th IDU of RAU；The analogue signal of the 4th IDU from RAU is turned Change radiofrequency signal into, and the radiofrequency signal being converted to is sent to the 3rd by the way of microwave communication ODU；

4th IDU of RAU, will be converted into signaling or data from the analogue signal of the 4th ODU, to turning The signaling got in return or data are sent to the digital signal processing module of RAU；By the numeral letter from RAU Signaling or the data of number processing module are converted into analogue signal, and the analogue signal being converted to is sent to the 4th ODU。

Wherein, SGW is connected with LTE core network by S1-MME interface, and security gateway passes through S1-MME interface is connected with SGW, and security gateway is connected with LTE core network by S1-U interface Connecing, RAU is connected with SGW by S1-MME interface, and RAU passes through S1-U interface and safety Gateway is connected.

Preferably, RAU is additionally operable to the communication to MS and carries out RRM, management and running, wireless connects Enter to control and mobile management；

Preferably, described system also includes network management unit；Network management unit realize to SGW, security gateway, The user interface management of RAU and RRU, user management, user organize management, software management, log management, System maintenance, parameter are arranged and alarm report function.

In embodiments of the present invention, it is proposed that the structure of a kind of Radio Network System, this system includes: pass through SGW that public network is connected with LTE system core net and security gateway, SGW passes through security gateway Connect at least one RAU, SGW between LTE core network and RAU in the communication process of MS Signaling converge and forward, each RAU is connected to LTE core network, RAU also by security gateway Connect an ODU, RRU connection the 2nd ODU, RAU directly to communicate with LTE core network, right Carrying out digital base band processor with signaling and the data of LTE core network communication, RRU is for carrying out far MS Terminate into, carry out microwave communication by an ODU and the 2nd ODU between RAU and RRU；It is visible, The embodiment of the present invention arranges the first microwave transmission unit and the second microwave transmission unit to realize RAU and RRU Between radio communication, it is possible to be applicable to outlying district be not easy to lay cable network application scenarios, it is possible to It is effectively realized and accesses MS by RAU and RRU, thus, the embodiment of the present invention combines LTE communication The flattening network architecture of standard self, is incorporated into LTE by Techniques Used in Digital Microwave Transmission technology, forms one Novel LTE wireless shrouding system；The embodiment of the present invention also sets up SGW, security gateway and RAU By public network and LTE core network communication, it is possible to avoid prior art breaks down or light at optical fiber private network In the case of fine private network network disconnects, the problem that Radio Network System cannot communicate with LTE core network, thus The Radio Network System that the embodiment of the present invention provides can realize, based on public network communication data transfer, can expanding The application scenarios of LTE wireless shrouding system.

In the effective scheme of the embodiment of the present invention, security gateway connects the 3rd IDU, the 3rd ODU, RAU Connect the 4th ODU, it is possible to make to communicate by the way of microwave communication between security gateway and RAU, Thus the Radio Network System that provides of the embodiment of the present invention can be applicable to cannot between security gateway and RAU The application scenarios carrying out cable network connection and cannot communicate.

Other features and advantages of the present invention will illustrate in the following description, and, partly from explanation Book becomes apparent, or understands by implementing the present invention.The purpose of the present invention and other advantages can Realize by structure specifically noted in the description write, claims and accompanying drawing and obtain ?.

Accompanying drawing explanation

Fig. 1 is the structured flowchart of RNS in prior art；

The structured flowchart of the Radio Network System that Fig. 2 provides for the embodiment of the present invention；

Fig. 3 a is the structured flowchart of RAU in Fig. 2；

Fig. 3 b is the structured flowchart of RRU in Fig. 2；

Fig. 4 is the structured flowchart of an IDU of RAU in Fig. 3 a；

Fig. 5 is the structured flowchart of an ODU in Fig. 2；

Fig. 6 is the structured flowchart of the 2nd ODU in Fig. 2；

Fig. 7 is the structured flowchart of the 2nd IDU of RRU in Fig. 3 b；

Another structured flowchart of the Radio Network System that Fig. 8 provides for the embodiment of the present invention；

Fig. 9 is the structured flowchart of RAU in Fig. 8；

Figure 10 is the structured flowchart of the 3rd IDU in Fig. 8；

Figure 11 is the structured flowchart of the 3rd ODU in Fig. 8；

Figure 12 is the structured flowchart of the 4th ODU in Fig. 8；

Figure 13 is the structured flowchart of the 4th IDU of RAU in Fig. 9.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiments of the invention are illustrated, it will be appreciated that enforcement described herein Example is merely to illustrate and explains the present invention, is not intended to limit the present invention.

Can only be carried out by cable network between BBU and RRU of Radio Network System in prior art Transmission, is not suitable for outlying district and is not easy to lay the application scenarios of cable network, and Radio Network System It is limited to embodiments provide a kind of wireless by the problem of optical fiber private network with core network communications Network system, in order to solve this problem.

Embodiment one

In the technical scheme that the embodiment of the present invention provides, the wireless access network of mobile communication includes several Radio Network System, Fig. 2 shows the structured flowchart of the Radio Network System that the embodiment of the present invention provides, should System includes:

The SGW 23 being connected with Long Term Evolution LTE system core net 21 by public network 22 and safety Gateway 26, SGW 23 connects at least one RAU24 by security gateway 26, and each RAU is also Being connected to LTE core network 21 by security gateway 26, RAU24 connects an ODU3, RRU25 Connect to be entered by an ODU3 and the 2nd ODU4 between the 2nd ODU4, RAU24 and RRU25 Row microwave communication；

Specifically, SGW 23 is connected with LTE core network 21 by S1-MME interface, safety Gateway 26 is connected with SGW 23 by S1-MME interface, and security gateway 26 is connect by S1-U Mouth is connected with LTE core network 21, and RAU24 is communicated with SGW 23 by S1-MME interface, RAU24 is connected with security gateway 26 by S1-U interface；Wherein,

SGW 23, in communication process to MS between LTE core network 21 and RAU24 Signaling converge and forward；

Security gateway 26, for the signaling communicated SGW 23 with RAU24 and LTE core The data that heart net 21 communicates with RAU24 carry out safety detection；Preferably, security gateway 26 can possess The IPSEC agreement that industry is general, supports to set up and management IPSec passage, for RAU24 and SGW Safe and reliable communications and access authentication is provided, it is ensured that Radio Network System as shown in Figure 2 between 23 Information security；

RAU24, for by from SGW 23 and by the MS of security gateway 26 safety detection Communication process in signaling and from LTE core network 21 and by security gateway 26 safety detection MS communication process in data be converted to baseband signal, and the baseband signal being converted to is converted to Analogue signal, is sent to an ODU3 by analogue signal；Receive the analogue signal from an ODU3, Convert analog signals into baseband signal, the baseband signal being converted to is converted to signaling and data, will turn The signaling got in return is sent to SGW 23, and the data being converted to are sent to LTE core network 21； Specifically, RAU24 carries out the process of the conversion between baseband signal and signaling and data and specifically includes base band The convergence of data and forwarding, physical layer process and MAC controller (MAC, Media Access Controller) process；Further, RAU24 also communication to MS carries out RRM, tune Degree management, wireless access control and mobile management, carry out RAU local and remote Operation and Maintenance function, And Working Status Monitoring and warning information reporting functions；

Oneth ODU3, for the analogue signal from RAU24 is converted to radiofrequency signal, believes radio frequency Number it is sent to the 2nd ODU4；Receive the radiofrequency signal from the 2nd ODU4, the radio frequency letter that will receive Number be converted to analogue signal, analogue signal is sent to RAU24；

2nd ODU4, for receiving the radiofrequency signal from an ODU3, is converted to radiofrequency signal Analogue signal, is sent to RRU25 by analogue signal；Receive the analogue signal from RRU25, by mould Intend signal and be converted to radiofrequency signal, radiofrequency signal is sent to an ODU3；

RRU25, for being converted to baseband signal from the analogue signal of the 2nd ODU4, believes base band Number be converted to radiofrequency signal, radiofrequency signal is sent to MS；Receive the radiofrequency signal from MS, will connect The radiofrequency signal received is converted to baseband signal, and baseband signal is converted to analogue signal, by be converted to Analogue signal is sent to the 2nd ODU4.

Specifically, as shown in Figure 3 a, RAU24 includes: digital signal processing module 241, host-host protocol Processing module 242 and an IDU243；

Digital signal processing module 241, for by from SGW 23 and pacified by security gateway 26 Signaling in the communication process of the MS of full detection and from LTE core network 21 and pass through security gateway Data in the communication process of the MS of 26 safety detection are converted to baseband signal；To process from host-host protocol The baseband signal of module 242 is converted to signaling and data, and the signaling being converted to and data are sent to safety Gateway 26；

Host-host protocol processing module 242, for entering the baseband signal from digital signal processing module 241 It is sent to an IDU243 after the framing of row IR/CPRI/OBSAI interface protocol；To from an IDU The baseband signal of 243 carries out base station IR interface (IR, Interface between the BBU and the RRU) / common public radio interface (CPRI, Common Public Radio Interface)/opening base station architecture association The solution frame of view (OBSAI, Open Base Station Architecture Initiative) interface protocol；

Oneth IDU243, for being converted to simulation by the baseband signal from host-host protocol processing module 242 Signal, is sent to an ODU3 by the analogue signal being converted to；By the simulation from an ODU3 Signal is converted to baseband signal, and the baseband signal being converted to is sent to host-host protocol processing module.

Specifically, as shown in Figure 3 b, RRU25 includes: the 2nd IDU251, host-host protocol processing module 252, Digital IF Processing module 253 and radio-frequency (RF) receiving and transmission module 254；

2nd IDU251, for the analogue signal from the 2nd ODU4 is converted to baseband signal, will turn The baseband signal got in return is sent to host-host protocol processing module 252；Will be from host-host protocol processing module 252 Baseband signal be converted to analogue signal, analogue signal will be converted to and be sent to the 2nd ODU4；

Host-host protocol processing module 252, for carrying out the baseband signal from the 2nd IDU251 The solution frame of IR/CPRI/OBSAI interface protocol, the baseband signal after solving frame is sent to Digital IF Processing mould Block 253；Baseband signal from Digital IF Processing module 253 is carried out IR/CPRI/OBSAI interface association It is sent to the 2nd IDU251 after the framing of view；

Digital IF Processing module 253, is connected to host-host protocol processing module 252, for from transmission The baseband signal of protocol process module 252 is converted to digital medium-frequency signal, is sent to penetrate by digital medium-frequency signal Frequently transceiver module 254；Baseband signal will be converted to from the digital medium-frequency signal of radio-frequency (RF) receiving and transmission module 254, Baseband signal is sent to host-host protocol processing module 252；

Radio-frequency (RF) receiving and transmission module 254, is connected to Digital IF Processing module 253, will be from Digital IF Processing The digital medium-frequency signal of module 253 is converted to radiofrequency signal, and radiofrequency signal is sent to mobile station MS； Receive the radiofrequency signal from MS, the radiofrequency signal received is converted to digital medium-frequency signal, by numeral Intermediate-freuqncy signal is sent to Digital IF Processing module 253.

As shown in Figure 4, an IDU243 of RAU24 includes:

Transmit message sink coding module 24301, for the host-host protocol processing module 242 from RAU24 Baseband signal carry out message sink coding；

Transmit baseband signal processing module 24302, be connected to transmit message sink coding module 24301, for right Carry out scrambling from the signal transmitting message sink coding module 24301, interweave, microwave frame framing processes；

Transmit modulation module 24303, be connected to transmit baseband signal processing module 24302, for from The signal transmitting baseband signal processing module 24302 is modulated；

Digital Up Convert module 24304, is connected to transmit modulation module 24303, for from transmitting tune The signal of molding block 24303 carries out interpolation filtering and Frequency mixing processing obtains the digital signal of Low Medium Frequency；

D/A converter module 24305, is connected to Digital Up Convert module 24304, for from numerically The digital signal of the Low Medium Frequency of frequency-variable module 24304 carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module 24306, is connected to D/A converter module 24305, for turning from digital-to-analogue The analogue signal of the Low Medium Frequency of die change block 24305 is simulated upconversion process, obtains the simulation letter of high intermediate frequency Number, the analogue signal of this high intermediate frequency is sent to an ODU3；

Analog down module 24307, for carrying out the analogue signal of the high intermediate frequency from an ODU3 Analog down, obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module 24308, is connected to analog down module 24307, under simulation The analogue signal of the Low Medium Frequency of frequency-variable module 24307 carries out analog digital conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module 24309, is connected to analog-to-digital conversion module 24308, for turning from modulus The digital signal of the Low Medium Frequency of die change block 24308 carries out being mixed, filtering extraction and molding filtration, obtains in zero Frequently baseband signal；

Collection of letters demodulation module 24310, is connected to Digital Down Converter Module 24309, under numeral The zero intermediate frequency baseband signal of frequency-variable module 24309 is demodulated；

Collection of letters baseband signal processing module 24311, is connected to collection of letters demodulation module 24310, for from The signal of collection of letters demodulation module 24310 carries out disturbing, deinterleaving and the process of microwave frame solution frame；

Collection of letters source coding module 24312, is connected to collection of letters baseband signal processing module 24311, for right Signal from collection of letters baseband signal processing module 24311 carries out source coding, obtains baseband signal, will To baseband signal be sent to the host-host protocol processing module 242 of RAU24.

As it is shown in figure 5, an ODU3 includes:

Transmit intermediate frequency amplification module 301, for the simulation by the intermediate frequency of the IDU243 from RAU Signal carries out bandpass filtering and low noise amplification；

Transmit frequency mixing module 302, be connected to transmit intermediate frequency amplification module 301, for from transmitting intermediate frequency The analogue signal of amplification module 301 is simulated mixing and obtains the radiofrequency signal of high intermediate frequency；

Transmit bandpass filtering modules block 303, be connected to transmit frequency mixing module 302, for from transmitting mixing The radiofrequency signal of module 302 carries out bandpass filtering；

Power amplifier module 304, is connected to transmit bandpass filtering modules block 303, for logical from transmitting band The radiofrequency signal of filtration module 303 carries out power amplification；

Rf attenuation module 305, is connected to power amplifier module 304, for from power amplifier module The radiofrequency signal of 304 carries out gain reduction, and the radiofrequency signal obtained is sent to the 2nd ODU4；

Collection of letters bandpass filtering modules block 306, for carrying out bandpass filtering to the radiofrequency signal from the 2nd ODU4；

Low noise amplification module 307, is connected to collection of letters bandpass filtering modules block 306, for from band of collecting mail The radiofrequency signal of pass filtering module 306 carries out low noise amplification；

Collection of letters frequency mixing module 308, is connected to low noise amplification module 307, for from low noise amplification The radiofrequency signal of module 307 is simulated mixing and obtains analogue signal；

Collection of letters filtration module 309, is connected to collection of letters frequency mixing module 308, for from collection of letters frequency mixing module The analogue signal of 308 carries out bandpass filtering；

Collection of letters intermediate frequency amplification module 310, is connected to collection of letters filtration module 309, for from filtering of collecting mail The analogue signal of module 309 carries out intermediate frequency and amplifies the analogue signal obtaining intermediate frequency, the intermediate frequency simulation letter that will obtain Number it is sent to RAU24 the oneth IDU243.

As shown in Figure 6, the 2nd ODU4, including:

Transmit bandpass filtering modules block 401, for bandpass filtering will be carried out from the radiofrequency signal of an ODU3；

Low noise amplification module 402, is connected to transmit bandpass filtering modules block 401, for from transmitting band The radiofrequency signal of pass filtering module 401 carries out low noise amplification；

Transmit frequency mixing module 403, be connected to low noise amplification module 402, for from low noise amplification The radiofrequency signal of module 402 is simulated mixing and obtains analogue signal；

Transmit filtration module 404, be connected to transmit frequency mixing module 403, for from transmitting frequency mixing module The analogue signal of 403 carries out bandpass filtering；

Transmit intermediate frequency amplification module 405, be connected to transmit filtration module 404, for from transmitting filtering The analogue signal of module 404 carries out intermediate frequency and amplifies the analogue signal obtaining intermediate frequency, the intermediate frequency simulation letter that will obtain Number it is sent to the 2nd IDU251 of RRU25；

Collection of letters intermediate frequency amplification module 406, for the simulation by the intermediate frequency of the 2nd IDU251 from RRU Signal carries out bandpass filtering and low noise amplification；

Collection of letters frequency mixing module 407, is connected to collection of letters intermediate frequency amplification module 406, for from collection of letters intermediate frequency The analogue signal of amplification module 406 is simulated mixing and obtains the radiofrequency signal of high intermediate frequency；

Collection of letters bandpass filtering modules block 408, is connected to collection of letters frequency mixing module 407, for from mixing of collecting mail The radiofrequency signal of module 407 carries out bandpass filtering；

Power amplifier module 409, is connected to collection of letters bandpass filtering modules block 408, for logical from band of collecting mail The radiofrequency signal of filtration module 408 carries out power amplification；

Rf attenuation module 410, is connected to power amplifier module 409, for from power amplifier module The radiofrequency signal of 409 carries out gain reduction, and the radiofrequency signal obtained is sent to an ODU3.

As it is shown in fig. 7, the 2nd IDU251 of RRU25 includes:

Analog down module 25101, for carrying out the analogue signal of the high intermediate frequency from the 2nd ODU4 Analog down processes, and obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module 25102, is connected to analog down module 25101, under simulation The analogue signal of the Low Medium Frequency of frequency-variable module 25101 carries out analog digital conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module 25103, is connected to analog-to-digital conversion module 25102, for turning from modulus The digital signal of the Low Medium Frequency in die change block 25102 carries out being mixed, filtering extraction and molding filtration, obtains zero Intermediate frequency baseband signal；

Transmit demodulation module 25104, be connected to Digital Down Converter Module 25103, under numeral The zero intermediate frequency baseband signal of frequency-variable module 25103 is demodulated；

Transmit baseband signal processing module 25105, be connected to transmit demodulation module 25104, for from The signal transmitting demodulation module 25104 carries out disturbing, deinterleaving and the process of microwave frame solution frame；

Transmit source coding module 25106, be connected to transmit baseband signal processing module 25105, for right Carry out source coding from the signal transmitting baseband signal processing module 25105, obtain baseband signal, will To baseband signal be sent to the host-host protocol processing module 252 of RRU25；

Collection of letters message sink coding module 25107, for the host-host protocol processing module 252 from RRU25 Baseband signal carry out message sink coding；

Collection of letters baseband signal processing module 25108, is connected to collection of letters message sink coding module 25107, for right Signal from collection of letters message sink coding module 25107 carries out scrambling, interweaving and microwave frame framing；

Collection of letters modulation module 25109, is connected to collection of letters baseband signal processing module 25108, for from The signal of collection of letters baseband signal processing module 25108 is modulated；

Digital Up Convert module 25110, is connected to collection of letters modulation module 25109, for adjusting from collecting mail The signal of molding block 25109 carries out interpolation filtering and Frequency mixing processing obtains the digital signal of Low Medium Frequency；

D/A converter module 25111, is connected to Digital Up Convert module 25110, for from numerically The digital signal of the Low Medium Frequency of frequency-variable module 25110 carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module 25112, is connected to D/A converter module 25111, for turning from digital-to-analogue The analogue signal of the Low Medium Frequency of die change block 25111 is simulated upconversion process, obtains the simulation letter of high intermediate frequency Number, the analogue signal of this high intermediate frequency is sent to the 2nd ODU4.

In the system shown in Fig. 2, from the handling process bag of the downstream signal of LTE core network 21 to MS Include:

Signaling information is converged to SGW 23 by LTE core network 21, and signaling is converged by SGW 23 Gathering and forward, and signaling information is transmitted to security gateway 26, data message is issued by LTE core network 21 To security gateway 26, security gateway 26 is sent to after signaling information and data message are carried out safety detection RAU24；

The digital signal processing module 241 of RAU24 and host-host protocol processing module 242 to data message and Signaling information carries out upper-layer protocol process and base band signal process (includes the coding of physical layer, modulates and expand Frequently scramblings etc. process), export digital baseband signal；

Oneth IDU243 of the RAU24 numeral to the host-host protocol processing module 242 from RAU24 Baseband signal carry out message sink coding, transmit base band signal process (include scrambling, interweave, microwave frame framing), Adjust (as 16QAM adjusts), Digital Up Convert processes (including that interpolation filtering and mixing etc. process) shape Become the digital signal of Low Medium Frequency, then the digital signal of Low Medium Frequency is carried out digital-to-analogue conversion, the mould of output Low Medium Frequency Intend signal, finally by simulation upconversion process, export the analogue signal of high intermediate frequency, this analogue signal is sent out Give an ODU3；

The analogue signal of the high intermediate frequency of the IDU243 from RAU24 is carried out intermediate frequency by the oneth ODU3 Amplify, analog frequency mixing obtains high intermediate frequency radiofrequency signal, then this high intermediate frequency radiofrequency signal is carried out bandpass filtering, Filter the interference signal outside band, then processed by power amplification and rf attenuation, obtain gain and suitably penetrate Frequently signal, is sent to the 2nd ODU4 by microwave mode by this radiofrequency signal；

2nd ODU4 the radiofrequency signal from an ODU3 is carried out bandpass filtering, low noise amplification and Analog frequency mixing process obtain analogue signal, analogue signal is carried out bandpass filtering, intermediate frequency amplify obtain high intermediate frequency Analogue signal, the high analog intermediate frequency signal after amplifying is sent to the 2nd IDU251 of RRU25；

The analogue signal of the high intermediate frequency from the 2nd ODU4 is simulated by the 2nd IDU251 of RRU25 Down-converted obtains the analogue signal of Low Medium Frequency, the analogue signal of Low Medium Frequency is carried out analog digital conversion, obtains The digital signal of Low Medium Frequency, is mixed the digital signal of Low Medium Frequency, filtering extraction and molding filtration, To zero intermediate frequency baseband signal, zero intermediate frequency baseband signal is demodulated, goes to disturb, deinterleave and microwave frame solution frame Process and source coding, obtain baseband signal, the baseband signal obtained is sent to the transmission of RRU25 Protocol process module 252；

The host-host protocol processing module 252 of RRU25 and Digital IF Processing module 253 are to micro-from second The baseband signal of the IDU41 of ripple transmitting device carries out radio frequency conversion, obtains radiofrequency signal, and passes through RRU Radiofrequency signal is sent to MS by the antenna of 25 i.e. radio-frequency (RF) receiving and transmission module 254.

From MS to LTE core network, the handling process of the upward signal of 21 includes:

RRU25 receives the radiofrequency signal from MS, RRU25 by antenna i.e. radio-frequency (RF) receiving and transmission module 254 Digital IF Processing module 253 and host-host protocol processing module 252 by radio frequency conversion radiofrequency signal is turned It is changed to digital baseband signal, digital baseband signal is sent to the 2nd IDU251 of RRU25；

RRU25 the 2nd IDU251 baseband signal to receiving carry out message sink coding, scramble, interweave, The process of microwave frame framing, modulation, interpolation filtering and Frequency mixing processing obtain the digital signal of Low Medium Frequency, in low The digital signal of frequency carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency, enters the analogue signal of Low Medium Frequency Row simulation upconversion process, obtains the analogue signal of high intermediate frequency, the analogue signal of this high intermediate frequency is sent to the Two ODU4；

2nd ODU4 carries out bandpass filtering to the analogue signal of the intermediate frequency from RRU25 the 2nd IDU251 With the radiofrequency signal that low noise amplification, analog frequency mixing obtain high intermediate frequency, radiofrequency signal is carried out bandpass filtering, Power amplification and gain reduction, be sent to an ODU3 by the radiofrequency signal of appropriate gain；

Oneth ODU3 the radiofrequency signal from the 2nd ODU4 is carried out bandpass filtering, low noise amplification and Analog frequency mixing obtains analogue signal, analogue signal carries out bandpass filtering, intermediate frequency amplifies and obtains the simulation of intermediate frequency Signal, is sent to an IDU243 of RAU24 by the analog intermediate frequency signal obtained；

The analogue signal of the high intermediate frequency from an ODU3 is simulated by the oneth IDU243 of RAU24 Down coversion, obtains the analogue signal of Low Medium Frequency, the analogue signal of Low Medium Frequency is carried out analog digital conversion, obtains low The digital signal of intermediate frequency, is mixed the digital signal of Low Medium Frequency, filtering extraction and molding filtration, obtains Zero intermediate frequency baseband signal, zero intermediate frequency baseband signal is demodulated, goes to disturb, deinterleave and the process of microwave frame solution frame And source coding, obtain baseband signal, the baseband signal obtained is sent to the host-host protocol of RAU24 Processing module 242；

The host-host protocol processing module 242 of RAU24 and digital signal processing module 241 will be from first The digital baseband signal of IDU243 is converted to data message and signaling information, the data message that will be converted to Sending security gateway 26 with signaling information, security gateway 26 carries out safe inspection to data message and signaling information After survey, data message is sent to LTE core network 21, signaling information is sent to SGW 23, letter Gateway 23 is made to be sent to LTE core network 21 after signaling information is converged and forwarded.

By the system shown in Fig. 2, the first microwave transmission unit is set and the second microwave transmission unit realizes Radio communication between RAU and RRU, it is possible to be applicable to outlying district and be not easy to lay answering of cable network By scene, it is possible to be effectively realized and access MS by RAU and RRU, thus, the embodiment of the present invention In conjunction with the flattening network architecture of LTE communication standard self, Techniques Used in Digital Microwave Transmission technology is incorporated into LTE , form a kind of novel LTE wireless shrouding system；The embodiment of the present invention also sets up SGW, letter Gateway is made to be communicated with LTE core network by public network with RAU, it is possible to avoid in prior art at optical fiber private network Break down or in the case of the disconnection of optical fiber private network network, Radio Network System cannot lead to LTE core network The problem of letter, thus the Radio Network System that the embodiment of the present invention provides can realize based on public network communication data Transmission, can expand the application scenarios of LTE wireless shrouding system.

Embodiment two

As shown in Figure 8, on the basis of Radio Network System shown in Fig. 2, provide in the embodiment of the present invention In Radio Network System, also include: the 3rd IDU5, the 3rd ODU6 and the 4th ODU7, safety net Closing and 26 be connected to the 3rd IDU5, security gateway 26 specifically can be by the networks such as PTN or PON and the Three IDU5 connect, and the 3rd IDU5 is connected to the 3rd ODU6, as it is shown in figure 9, also wrap in RAU24 Include the 4th IDU244, the 4th IDU244 and be connected to the 4th ODU7, security gateway 26 and RAU24 Between carry out microwave communication by the 3rd IDU5, the 3rd ODU6 and the 4th ODU7.

3rd IDU5, is converted into simulation letter by the signaling detected by security gateway 26 safety or data Number, the analogue signal being converted to is sent to the 3rd ODU6；Simulation from the 3rd ODU6 is believed Number it is converted into signaling or data, the signal being converted to or data are sent to security gateway 26；

3rd ODU6, is converted to radiofrequency signal by the analogue signal from the 3rd IDU5, and passes through microwave Radiofrequency signal is sent to the 4th ODU7 by the mode of communication；To turn from the radiofrequency signal of the 4th ODU7 It is changed to analogue signal, the analogue signal being converted to is sent to the 3rd IDU5；

4th ODU7, is converted to analogue signal by the radiofrequency signal from the 3rd ODU6, and will conversion The analogue signal obtained is sent to RAU24 the 4th IDU244；Will be from RAU24 the 4th IDU244 Analogue signal be converted into radiofrequency signal, and the radiofrequency signal being converted to is sent out by the way of microwave communication Give the 3rd ODU6；

RAU24 the 4th IDU244, will be converted into signaling or data from the analogue signal of the 4th ODU7, The signaling being converted to or data are sent to the digital signal processing module 241 of RAU24；Will be from Signaling or the data of the digital signal processing module 241 of RAU24 are converted into analogue signal, will be converted to Analogue signal be sent to the 4th ODU7.

As shown in Figure 10, the 3rd IDU5 includes:

Transmit message sink coding module 501, for from the security gateway 26 data after safety detection and Signaling carries out message sink coding；

Transmit baseband signal processing module 502, be connected to transmit message sink coding module 501, for from Transmit that the signal of message sink coding module 501 carries out scrambling, interweaves, microwave frame framing processes；

Transmit modulation module 503, be connected to transmit baseband signal processing module 502, for from transmitting The signal of baseband signal processing module 502 is modulated；

Digital Up Convert module 504, is connected to transmit modulation module 503, for from transmitting modulation mould The signal of block 503 carries out interpolation filtering and Frequency mixing processing obtains the digital signal of Low Medium Frequency；

D/A converter module 505, is connected to Digital Up Convert module 504, for from Digital Up Convert The digital signal of the Low Medium Frequency of module 504 carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module 506, is connected to D/A converter module 505, for from digital-to-analogue conversion mould The analogue signal of the Low Medium Frequency of block 505 is simulated upconversion process, obtains the analogue signal of high intermediate frequency, will The analogue signal of this high intermediate frequency is sent to the 3rd ODU6；

Analog down module 507, for carrying out mould to the analogue signal of the high intermediate frequency from the 3rd ODU6 Intend down coversion, obtain the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module 508, is connected to analog down module 507, for from analog down The analogue signal of the Low Medium Frequency of module 507 carries out analog digital conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module 509, is connected to analog-to-digital conversion module 508, for from analog digital conversion mould The digital signal of the Low Medium Frequency of block 508 carries out being mixed, filtering extraction and molding filtration, obtains zero intermediate frequency base band Signal；

Collection of letters demodulation module 510, is connected to Digital Down Converter Module 509, for from Digital Down Convert The zero intermediate frequency baseband signal of module 509 is demodulated；

Collection of letters baseband signal processing module 511, is connected to collection of letters demodulation module 510, for from the collection of letters The signal of demodulation module 510 carries out disturbing, deinterleaving and the process of microwave frame solution frame；

Collection of letters source coding module 512, is connected to collection of letters baseband signal processing module 511, for from The signal of collection of letters baseband signal processing module 511 carries out source coding, obtains signaling and data, by obtain Signaling and data are sent to SGW 26；

As shown in figure 11, the 3rd ODU6 includes:

Transmit intermediate frequency amplification module 601, for the analogue signal of the intermediate frequency from the 3rd IDU5 being carried Pass filter and low noise amplification；

Transmit frequency mixing module 602, be connected to transmit intermediate frequency amplification module 601, for from transmitting intermediate frequency The analogue signal of amplification module 601 is simulated mixing and obtains the radiofrequency signal of high intermediate frequency；

Transmit bandpass filtering modules block 603, be connected to transmit frequency mixing module 602, for from transmitting mixing The radiofrequency signal of module 602 carries out bandpass filtering；

Power amplifier module 604, is connected to transmit bandpass filtering modules block 603, for logical from transmitting band The radiofrequency signal of filtration module 603 carries out power amplification；

Rf attenuation module 605, is connected to power amplifier module 604, for from power amplifier module The radiofrequency signal of 604 carries out gain reduction, and the radiofrequency signal obtained is sent to the 4th ODU7；

Collection of letters bandpass filtering modules block 606, for carrying out bandpass filtering to the radiofrequency signal from the 4th ODU7；

Low noise amplification module 607, is connected to collection of letters bandpass filtering modules block 606, for from band of collecting mail The radiofrequency signal of pass filtering module 606 carries out low noise amplification；

Collection of letters frequency mixing module 608, is connected to low noise amplification module 607, for from low noise amplification The radiofrequency signal of module 607 is simulated mixing and obtains analogue signal；

Collection of letters filtration module 609, is connected to collection of letters frequency mixing module 608, for from collection of letters frequency mixing module The analogue signal of 608 carries out bandpass filtering；

Collection of letters intermediate frequency amplification module 610, is connected to collection of letters filtration module 609, for from filtering of collecting mail The analogue signal of module 609 carries out intermediate frequency and amplifies the analogue signal obtaining intermediate frequency, the intermediate frequency simulation letter that will obtain Number it is sent to the 3rd IDU5.

As shown in figure 12, the 4th ODU7 includes:

Transmit bandpass filtering modules block 701, for bandpass filtering will be carried out from the radiofrequency signal of the 3rd ODU6；

Low noise amplification module 702, is connected to transmit bandpass filtering modules block 701, for from transmitting band The radiofrequency signal of pass filtering module 701 carries out low noise amplification；

Transmit frequency mixing module 703, be connected to low noise amplification module 702, for from low noise amplification The radiofrequency signal of module 702 is simulated mixing and obtains analogue signal；

Transmit filtration module 704, be connected to transmit frequency mixing module 703, for from transmitting frequency mixing module The analogue signal of 703 carries out bandpass filtering；

Transmit intermediate frequency amplification module 705, be connected to transmit filtration module 704, for from transmitting filtering The analogue signal of module 704 carries out intermediate frequency and amplifies the analogue signal obtaining intermediate frequency, the intermediate frequency simulation letter that will obtain Number it is sent to RAU24 the 4th IDU244；

Collection of letters intermediate frequency amplification module 706, for by the simulation of the intermediate frequency from RAU24 the 4th IDU244 Signal carries out bandpass filtering and low noise amplification；

Collection of letters frequency mixing module 707, is connected to collection of letters intermediate frequency amplification module 706, for from collection of letters intermediate frequency The analogue signal of amplification module 706 is simulated mixing and obtains the radiofrequency signal of high intermediate frequency；

Collection of letters bandpass filtering modules block 708, is connected to collection of letters frequency mixing module 707, for from mixing of collecting mail The radiofrequency signal of module 707 carries out bandpass filtering；

Power amplifier module 709, is connected to collection of letters bandpass filtering modules block 708, for logical from band of collecting mail The radiofrequency signal of filtration module 708 carries out power amplification；

Rf attenuation module 710, is connected to power amplifier module 709, for from power amplifier module The radiofrequency signal of 709 carries out gain reduction, and the radiofrequency signal obtained is sent to the 3rd ODU6；

As shown in figure 13, the 4th IDU244 of RAU24 includes:

Analog down module 24401, for carrying out the analogue signal of the high intermediate frequency from the 4th ODU7 Analog down processes, and obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module 24402, is connected to analog down module 24401, under simulation The analogue signal of the Low Medium Frequency of frequency-variable module 24401 carries out analog digital conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module 24403, is connected to analog-to-digital conversion module 24402, for turning from digital-to-analogue The digital signal of the Low Medium Frequency in die change block 24402 carries out being mixed, filtering extraction and molding filtration, obtains zero Intermediate frequency baseband signal；

Transmit demodulation module 24404, be connected to Digital Down Converter Module 24403, under numeral The zero intermediate frequency baseband signal of frequency-variable module 24403 is demodulated；

Transmit baseband signal processing module 24405, be connected to transmit demodulation module 24404, for from The signal transmitting demodulation module 24404 carries out disturbing, deinterleaving and the process of microwave frame solution frame；

Transmit source coding module 24406, be connected to transmit baseband signal processing module 24405, for right Carry out source coding from the signal transmitting baseband signal processing module 24405, obtain baseband signal, will To baseband signal be sent to the digital signal processing module 241 of RAU24；

Collection of letters message sink coding module 24407, for the word signal processing module 241 from RAU24 Baseband signal carries out message sink coding；

Collection of letters baseband signal processing module 24408, is connected to collection of letters message sink coding module 24407, for right Signal from collection of letters message sink coding module 24407 carries out scrambling, interweaving and microwave frame framing；

Collection of letters modulation module 24409, is connected to collection of letters baseband signal processing module 24408, for from The signal of collection of letters baseband signal processing module 24408 is modulated；

Digital Up Convert module 24410, is connected to collection of letters modulation module 24409, for adjusting from collecting mail The signal of molding block 24409 carries out interpolation filtering and Frequency mixing processing obtains the digital signal of Low Medium Frequency；

D/A converter module 24411, is connected to Digital Up Convert module 24410, for from numerically The digital signal of the Low Medium Frequency of frequency-variable module 24410 carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module 24412, is connected to D/A converter module 24411, for turning from digital-to-analogue The analogue signal of the Low Medium Frequency of die change block 24411 is simulated upconversion process, obtains the simulation letter of high intermediate frequency Number, the analogue signal of this high intermediate frequency is sent to the 4th ODU7.

In the system shown in Fig. 8, from the handling process bag of the downstream signal of LTE core network 21 to MS Include:

Signaling information is converged to SGW 23 by LTE core network 21, and signaling is converged by SGW 23 Gathering and forward, and signaling information is transmitted to security gateway 26, data message is issued by LTE core network 21 To security gateway 26, after security gateway 26 carries out safety detection to signaling and data message, by signaling information It is sent to the 3rd IDU5 with data message；

3rd IDU5 carries out message sink coding to signaling information and the data message from security gateway 26, sends out Letter base band signal process (include scrambling, interweave, microwave frame framing), adjust (as 16QAM adjust), Digital Up Convert processes the digital signal of (including that interpolation filtering and mixing etc. process) formation Low Medium Frequency, more right The digital signal of Low Medium Frequency carries out digital-to-analogue conversion, the analogue signal of output Low Medium Frequency, becomes finally by simulation is upper Frequency processes, and exports the analogue signal of high intermediate frequency, this analogue signal is sent to the 3rd ODU6；

3rd ODU6 carries out intermediate frequency amplification, simulation to the analogue signal of the high intermediate frequency from the 3rd IDU5 Mixing obtains high intermediate frequency radiofrequency signal, then this high intermediate frequency radiofrequency signal is carried out bandpass filtering, filtered outside band Interference signal, is then processed by power amplification and rf attenuation, obtains the suitable radiofrequency signal of gain, logical Cross microwave mode and this radiofrequency signal is sent to the 4th ODU7；

The radiofrequency signal of the 4th ODU7 carries out bandpass filtering, low noise amplification and analog frequency mixing process and obtains Analogue signal, carries out bandpass filtering, intermediate frequency amplifies and obtains the analogue signal of high intermediate frequency to analogue signal, will put High analog intermediate frequency signal after great is sent to the 4th IDU244 of RAU24；

Under the analogue signal of the 4th IDU244 of the RAU24 high intermediate frequency to carrying out the 4th ODU7 is simulated Frequency-conversion processing obtains the analogue signal of Low Medium Frequency, the analogue signal of Low Medium Frequency is carried out analog digital conversion, obtains low The digital signal of intermediate frequency, is mixed the digital signal of Low Medium Frequency, filtering extraction and molding filtration, obtains Zero intermediate frequency baseband signal, is demodulated zero intermediate frequency baseband signal, goes to disturb, deinterleave and microwave frame Xie Zhengchu Reason and source coding, obtain signaling information and data signaling, the signaling information obtained and data signaling sent out Give the digital signal processing module 241 of RAU24；

RAU24 to MS in the processing procedure reference example one of the downstream signal between RAU24 to MS Between the processing procedure of downstream signal.

From MS to LTE core network, the handling process of the upward signal of 21 includes:

MS to RAU in the processing procedure reference example one of the upward signal between MS to RAU24 The processing procedure of the upward signal between 24；

The host-host protocol processing module 242 of RAU24 and digital signal processing module 241 will be from first The digital baseband signal of ODU243 is converted to data message and signaling information, this data message and signaling is believed Breath is sent to the 4th IDU244；

4th IDU244 data message to receiving and signaling information carry out message sink coding, scramble, interweave, The process of microwave frame framing, modulation, interpolation filtering and Frequency mixing processing obtain the digital signal of Low Medium Frequency, in low The digital signal of frequency carries out digital-to-analogue conversion, obtains the analogue signal of Low Medium Frequency, enters the analogue signal of Low Medium Frequency Row simulation upconversion process, obtains the analogue signal of high intermediate frequency, the analogue signal of this high intermediate frequency is sent to the Four ODU7；

4th ODU7 carries logical filter to the analogue signal of the intermediate frequency of the 4th IDU244 from RAU24 Ripple and low noise amplification, analog frequency mixing obtain the radiofrequency signal of high intermediate frequency, radiofrequency signal is carried out bandpass filtering, Power amplification and gain reduction, be sent to the 3rd ODU6 by the radiofrequency signal of appropriate gain；

3rd ODU6 carries out bandpass filtering, low to the radiofrequency signal of the 4th IDU244 from RAU24 Noise amplify and analog frequency mixing obtain analogue signal, analogue signal is carried out bandpass filtering, intermediate frequency amplify obtain The analogue signal of intermediate frequency, is sent to the 3rd IDU5 by the analog intermediate frequency signal obtained；

3rd IDU5 is simulated down coversion to the analogue signal of the high intermediate frequency from the 3rd ODU6, To the analogue signal of Low Medium Frequency, the analogue signal of Low Medium Frequency is carried out analog digital conversion, obtains the numeral of Low Medium Frequency Signal, is mixed the digital signal of Low Medium Frequency, filtering extraction and molding filtration, obtains zero intermediate frequency base band Signal, zero intermediate frequency baseband signal is demodulated, go to disturb, deinterleave and microwave frame solution frame processes and information source solution Code, obtains signaling information and data message；

Security gateway 26 carries out safety detection to signaling information and the data message from the 3rd IDU5, and LTE core network 21 will be sent to by the data message of safety detection, will be believed by the signaling of safety detection Breath is sent to SGW 23；

SGW 23 is sent to LTE core network 21 after signaling information is converged and forwarded.

By the system shown in Fig. 8, it is possible to make to pass through microwave communication between security gateway 26 and RAU24 Mode communicate, thus the embodiment of the present invention provide Radio Network System can be applicable to security gateway The application scenarios that cannot be carried out cable network connection between 26 and RAU24 and cannot communicate, expands further The application scenarios of LTE wireless shrouding system.

Embodiment three

The basis of the Radio Network System that the Radio Network System provided in embodiment three provides in embodiment two On, it is attached also by cable network between security gateway 26 and the 3rd IDU5.So, in safety Can not be directly by the case of wired network link between gateway 26 and RAU24, by arranging the 3rd IDU5, the 3rd ODU6 and the 4th ODU7 and the 4th IDU244 is set in RAU24 carries out micro- Wave communication.

In embodiment three, by cable network and microwave side between security gateway 26 and RAU24 In the case of formula communication, include from the handling process of the downstream signal of LTE core network 21 to MS:

Signaling information is converged to SGW 23 by core net 21, SGW 23 signaling is carried out converge and Forwarding, and signaling information is transmitted to security gateway 26, data message is handed down to safety net by core net 21 Closing 26, security gateway 26 is sent by cable network after signaling information and data message are carried out safety detection It is the 3rd IDU5；Downstream signal between 3rd IDU5 to RAU24 and RAU24 to MS Descending letter between 3rd IDU5 to RAU24, RAU24 to MS in processing procedure reference example two Number processing procedure.

In the case of being communicated by cable network and microwave mode between security gateway 26 and RAU24, From MS, the handling process to the upward signal of LTE core network 21 includes:

The processing procedure ginseng of the upward signal between MS to RAU24 and RAU24 to the 3rd IDU5 Examine the MS to RAU24 in embodiment two and RAU24 to the upward signal between the 3rd IDU5 Processing procedure；3rd IDU5 data and signaling send security gateway 26, security gateway by cable network After 26 pairs of data messages and signaling information carry out safety detection, data message is sent to core net 21, will Signaling information is sent to SGW 23, and SGW 23 sends after signaling information is converged and forwarded To LTE core network 21.

The Radio Network System provided by embodiment three, it is possible to ensure safety gateway 26 and RAU effectively Communication between 24, it is possible to expand the applied field of the Radio Network System that the embodiment of the present invention provides further Scape.

Embodiment four

On the basis of embodiment one, embodiment two or embodiment three, the wireless network that the embodiment of the present invention provides Network system also includes: network management unit (not shown), network management unit and SGW 23, security gateway 26, RAU24 with RRU25 is connected, it is achieved to SGW 23, security gateway 26, RAU24 With the user interface management of RRU25, user's management, user organize management, software management, log management, System maintenance, parameter are arranged and alarm report function.

One of ordinary skill in the art will appreciate that and realize all or part of step that above-described embodiment method is carried Suddenly the program that can be by completes to instruct relevant hardware, and described program can be stored in a kind of computer In readable storage medium storing program for executing, this program upon execution, including one or a combination set of the step of embodiment of the method.

It addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, Can also be that unit is individually physically present, it is also possible to two or more unit are integrated in a module In.Above-mentioned integrated module both can realize to use the form of hardware, it would however also be possible to employ software function module Form realizes.If described integrated module realizes and as independent product using the form of software function module When selling or use, it is also possible to be stored in a computer read/write memory medium.

Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more Computer-usable storage medium containing computer usable program code (include but not limited to disk memory and Optical memory etc.) form of the upper computer program implemented.

The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and / or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/ Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding The processor of formula datatron or other programmable data processing device is to produce a machine so that by calculating The instruction that the processor of machine or other programmable data processing device performs produces for realizing at flow chart one The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions may be alternatively stored in and computer or the process of other programmable datas can be guided to set In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart The function specified in flow process and/or one square frame of block diagram or multiple square frame.

These computer program instructions also can be loaded in computer or other programmable data processing device, makes Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.

Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.

Claims (11)

1. a Radio Network System, it is characterised in that including: by public network and Long Term Evolution LTE core SGW that heart net is connected and security gateway, it is wireless that SGW connects at least one by security gateway Access unit RAU, each RAU are connected to LTE core network also by security gateway, and RAU connects the One microwave outdoor transmitter ODU, far-end capping unit RRU connect the 2nd ODU, RAU and RRU Between carry out microwave communication by an ODU and the 2nd ODU；Wherein,

SGW, is used between LTE core network and RAU in the communication process of mobile station MS Signaling converges and forwards；

Security gateway, for signaling that SGW is communicated with RAU and LTE core network and The data of RAU communication carry out safety detection；

RAU, for by from SGW and by the communication process of the MS of security gateway safety detection In signaling and from LTE core network and by the communication process of the MS of security gateway safety detection Data be converted to baseband signal, and the baseband signal being converted to is converted to analogue signal, simulation is believed Number it is sent to an ODU；Receive the analogue signal from an ODU, convert analog signals into base band Signal, is converted to signaling and data by the baseband signal being converted to, and the signaling being converted to is sent to letter Make gateway, the data being converted to are sent to LTE core network；

Oneth ODU, for the analogue signal from RAU is converted to radiofrequency signal, sends out radiofrequency signal Give the 2nd ODU；Receive the radiofrequency signal from the 2nd ODU, the radiofrequency signal received is converted to Analogue signal, is sent to RAU by analogue signal；

2nd ODU, for receiving the radiofrequency signal from an ODU, is converted to simulation by radiofrequency signal Signal, is sent to RRU by analogue signal；Receive the analogue signal from RRU, analogue signal is changed For radiofrequency signal, radiofrequency signal is sent to an ODU；

RRU, for by being converted to baseband signal from the analogue signal of the 2nd ODU, turns baseband signal It is changed to radiofrequency signal, radiofrequency signal is sent to MS；Receive the radiofrequency signal from MS, will receive Radiofrequency signal be converted to baseband signal, baseband signal is converted to analogue signal, the simulation that will be converted to Signal is sent to the 2nd ODU；

Described RAU includes: in digital signal processing module, host-host protocol processing module and the first microwave office Unit IDU；

Digital signal processing module, for by from SGW and by the MS of security gateway safety detection Communication process in signaling and from LTE core network and by the MS of security gateway safety detection Communication process in data be converted to baseband signal；To turn from the baseband signal of host-host protocol processing module It is changed to signaling and data, the signaling being converted to and data are sent to security gateway；

Host-host protocol processing module, for carrying out the baseband signal from digital signal processing module An IDU it is sent to after the framing of IR/CPRI/OBSAI interface protocol；To the base band from an IDU Signal carries out the solution frame of IR/CPRI/OBSAI interface protocol；

Oneth IDU, for the baseband signal from host-host protocol processing module is converted to analogue signal, will The analogue signal being converted to is sent to an ODU；Base will be converted to from the analogue signal of an ODU Band signal, is sent to host-host protocol processing module by the baseband signal being converted to.

System the most according to claim 1, it is characterised in that RRU includes: the 2nd IDU, biography Transmission protocol processing module, Digital IF Processing module and radio-frequency (RF) receiving and transmission module；

2nd IDU, for being converted to baseband signal from the analogue signal of the 2nd ODU, will change To baseband signal be sent to host-host protocol processing module；By the baseband signal from host-host protocol processing module Be converted to analogue signal, analogue signal will be converted to and be sent to the 2nd ODU；

Host-host protocol processing module, for carrying out IR/CPRI/OBSAI to the baseband signal from the 2nd IDU The solution frame of interface protocol, the baseband signal after solving frame is sent to Digital IF Processing module；To from numeral The baseband signal of IF process module is sent to second after carrying out the framing of IR/CPRI/OBSAI interface protocol IDU；

Digital IF Processing module, for being converted to numeral to the baseband signal from host-host protocol processing module Intermediate-freuqncy signal, is sent to radio-frequency (RF) receiving and transmission module by digital medium-frequency signal；By the numeral from radio-frequency (RF) receiving and transmission module Intermediate-freuqncy signal is converted to baseband signal, and baseband signal is sent to host-host protocol processing module；

Radio-frequency (RF) receiving and transmission module, is converted to radio frequency letter by the digital medium-frequency signal from Digital IF Processing module Number, and radiofrequency signal is sent to MS；Receive the radiofrequency signal from MS, the radio frequency letter that will receive Number be converted to digital medium-frequency signal, digital medium-frequency signal is sent to Digital IF Processing module.

System the most according to claim 1 a, it is characterised in that IDU of RAU includes:

Transmit message sink coding module, for the baseband signal from RAU host-host protocol processing module is carried out Message sink coding；

Transmit baseband signal processing module, for scrambling from the signal transmitting message sink coding module, Interweave, microwave frame framing processes；

Transmit modulation module, for being modulated from the signal transmitting baseband signal processing module；

Digital Up Convert module, for carrying out at interpolation filtering and mixing from the signal transmitting modulation module Reason obtains the digital signal of Low Medium Frequency；

D/A converter module, for carrying out digital-to-analogue to the digital signal of the Low Medium Frequency from Digital Up Convert module Conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module, for being simulated the analogue signal of the Low Medium Frequency from D/A converter module Upconversion process, obtains the analogue signal of high intermediate frequency, and the analogue signal of this high intermediate frequency is sent to an ODU；

Analog down module, under being simulated the analogue signal of the high intermediate frequency from an ODU Frequency conversion, obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module, for carrying out modulus to the analogue signal of the Low Medium Frequency from analog down module Conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module, for mixing the digital signal of the Low Medium Frequency from analog-to-digital conversion module Frequently, filtering extraction and molding filtration, obtain zero intermediate frequency baseband signal；

Collection of letters demodulation module, for being demodulated the zero intermediate frequency baseband signal from Digital Down Converter Module；

Collection of letters baseband signal processing module, for going to disturb, solve friendship to the signal from collection of letters demodulation module Knit and process with microwave frame solution frame；

Collection of letters source coding module, for carrying out information source solution to the signal from collection of letters baseband signal processing module Code, obtains baseband signal, the baseband signal obtained is sent to the host-host protocol processing module of RAU.

System the most according to claim 1 a, it is characterised in that ODU includes:

Transmit intermediate frequency amplification module, for the analogue signal of the intermediate frequency of the IDU from RAU being carried out Bandpass filtering and low noise amplification；

Transmit frequency mixing module, for being simulated being mixed to from the analogue signal transmitting intermediate frequency amplification module Radiofrequency signal to high intermediate frequency；

Transmit bandpass filtering modules block, for carrying out bandpass filtering to from the radiofrequency signal transmitting frequency mixing module；

Power amplifier module, for carrying out power amplification to from the radiofrequency signal transmitting bandpass filtering modules block；

Rf attenuation module, for the radiofrequency signal from power amplifier module being carried out gain reduction, and will The radiofrequency signal obtained is sent to the 2nd ODU；

Collection of letters bandpass filtering modules block, for carrying out bandpass filtering to the radiofrequency signal from the 2nd ODU；

Low noise amplification module, puts for the radiofrequency signal from collection of letters bandpass filtering modules block is carried out low noise Greatly；

Collection of letters frequency mixing module, obtains for the radiofrequency signal from low noise amplification module is simulated mixing Analogue signal；

Collection of letters filtration module, for carrying out bandpass filtering to the analogue signal from collection of letters frequency mixing module；

Collection of letters intermediate frequency amplification module, amplifies for the analogue signal from collection of letters filtration module is carried out intermediate frequency To the analogue signal of intermediate frequency, the analog intermediate frequency signal obtained is sent to an IDU of RAU.

System the most according to claim 2, it is characterised in that the 2nd ODU, including:

Transmit bandpass filtering modules block, for bandpass filtering will be carried out from the radiofrequency signal of an ODU；

Low noise amplification module, for putting carrying out low noise from the radiofrequency signal transmitting bandpass filtering modules block Greatly；

Transmit frequency mixing module, obtain for the radiofrequency signal from low noise amplification module is simulated mixing Analogue signal；

Transmit filtration module, for carrying out bandpass filtering to from the analogue signal transmitting frequency mixing module；

Transmit intermediate frequency amplification module, for amplifying carrying out intermediate frequency from the analogue signal transmitting filtration module To the analogue signal of intermediate frequency, the analog intermediate frequency signal obtained is sent to the 2nd IDU of RRU；

Collection of letters intermediate frequency amplification module, for carrying out the analogue signal of the intermediate frequency of the 2nd IDU from RRU Bandpass filtering and low noise amplification；

Collection of letters frequency mixing module, for being simulated being mixed to the analogue signal from collection of letters intermediate frequency amplification module Radiofrequency signal to high intermediate frequency；

Collection of letters bandpass filtering modules block, for carrying out bandpass filtering to the radiofrequency signal from collection of letters frequency mixing module；

Power amplifier module, puts for the radiofrequency signal from collection of letters bandpass filtering mould module is carried out power Greatly；

Rf attenuation module, for the radiofrequency signal from power amplifier module being carried out gain reduction, and will The radiofrequency signal obtained is sent to an ODU.

System the most according to claim 2, it is characterised in that the IDU of RRU, including:

Analog down module, under being simulated the analogue signal of the high intermediate frequency from the 2nd ODU Frequency-conversion processing, obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module, for carrying out modulus to the analogue signal of the Low Medium Frequency from analog down module Conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module, for mixing the digital signal from the Low Medium Frequency in analog-to-digital conversion module Frequently, filtering extraction and molding filtration, obtain zero intermediate frequency baseband signal；

Transmit demodulation module, for the zero intermediate frequency baseband signal from Digital Down Converter Module is demodulated；

Transmit baseband signal processing module, for going to disturb, solve friendship to from the signal transmitting demodulation module Knit and process with microwave frame solution frame；

Transmit source coding module, for carrying out information source solution to from the signal transmitting baseband signal processing module Code, obtains baseband signal, the baseband signal obtained is sent to the host-host protocol processing module of RRU；

Collection of letters message sink coding module, for entering the baseband signal of the host-host protocol processing module from RRU Row message sink coding；

Collection of letters baseband signal processing module, for the signal from collection of letters message sink coding module is scrambled, Interweave and microwave frame framing；

Collection of letters modulation module, for being modulated the signal from collection of letters baseband signal processing module；

Digital Up Convert module, for carrying out at interpolation filtering and mixing the signal from collection of letters modulation module Reason obtains the digital signal of Low Medium Frequency；

D/A converter module, for carrying out digital-to-analogue to the digital signal of the Low Medium Frequency from Digital Up Convert module Conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module, for being simulated the analogue signal of the Low Medium Frequency from D/A converter module Upconversion process, obtains the analogue signal of high intermediate frequency, and the analogue signal of this high intermediate frequency is sent to the 2nd ODU.

System the most according to claim 1, it is characterised in that described system also includes: the 3rd IDU, 3rd ODU and the 4th ODU, security gateway is connected to the 3rd IDU, the 3rd IDU and is connected to the 3rd ODU, RAU also including, the 4th IDU, the 4th IDU are connected to the 4th ODU；

3rd IDU, is converted into analogue signal by the signaling detected by security gateway safety or data, will The analogue signal being converted to is sent to the 3rd ODU；Letter will be converted into from the analogue signal of the 3rd ODU Order or data are sent to security gateway；

3rd ODU, is converted to the analogue signal from the 3rd IDU radiofrequency signal, and is led to by microwave Radiofrequency signal is sent to the 4th ODU by the mode of letter；Mould will be converted to from the radiofrequency signal of the 4th ODU Intend signal, the analogue signal being converted to is sent to the 3rd IDU；

4th ODU, is converted to the radiofrequency signal from the 3rd ODU analogue signal, and will be converted to Analogue signal be sent to the 4th IDU of RAU；The analogue signal of the 4th IDU from RAU is turned Change radiofrequency signal into, and the radiofrequency signal being converted to is sent to the 3rd by the way of microwave communication ODU；

4th IDU of RAU, will be converted into signaling or data from the analogue signal of the 4th ODU, to turning The signaling got in return or data are sent to the digital signal processing module of RAU；By the numeral letter from RAU Signaling or the data of number processing module are converted into analogue signal, and the analogue signal being converted to is sent to the 4th ODU。

System the most according to claim 7, it is characterised in that the 3rd IDU includes:

Transmit message sink coding module, for carrying out letter to by the data after security gateway safety detection and signaling Source code；

Transmit baseband signal processing module, for scrambling from the signal transmitting message sink coding module, Interweave, microwave frame framing processes；

Transmit modulation module, for being modulated from the signal transmitting baseband signal processing module；

Digital Up Convert module, for carrying out at interpolation filtering and mixing from the signal transmitting modulation module Reason obtains the digital signal of Low Medium Frequency；

D/A converter module, for carrying out digital-to-analogue to the digital signal of the Low Medium Frequency from Digital Up Convert module Conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module, for being simulated the analogue signal of the Low Medium Frequency from D/A converter module Upconversion process, obtains the analogue signal of high intermediate frequency, and the analogue signal of this high intermediate frequency is sent to the 3rd ODU；

Analog down module, under being simulated the analogue signal of the high intermediate frequency from the 3rd ODU Frequency conversion, obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module, for carrying out modulus to the analogue signal of the Low Medium Frequency from analog down module Conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module, for mixing the digital signal of the Low Medium Frequency from analog-to-digital conversion module Frequently, filtering extraction and molding filtration, obtain zero intermediate frequency baseband signal；

Collection of letters demodulation module, for being demodulated the zero intermediate frequency baseband signal from Digital Down Converter Module；

Collection of letters baseband signal processing module, for going to disturb, solve friendship to the signal from collection of letters demodulation module Knit and process with microwave frame solution frame；

Collection of letters source coding module, for carrying out information source solution to the signal from collection of letters baseband signal processing module Code, obtains signaling and data, the signaling obtained and data is sent to SGW；

3rd ODU includes:

Transmit intermediate frequency amplification module, for the analogue signal of the intermediate frequency from the 3rd IDU is carried out bandpass filtering And low noise amplification；

Transmit frequency mixing module, for being simulated being mixed to from the analogue signal transmitting intermediate frequency amplification module Radiofrequency signal to high intermediate frequency；

Transmit bandpass filtering modules block, for carrying out bandpass filtering to from the radiofrequency signal transmitting frequency mixing module；

Power amplifier module, for carrying out power amplification to from the radiofrequency signal transmitting bandpass filtering modules block；

Rf attenuation module, for the radiofrequency signal from power amplifier module being carried out gain reduction, and will The radiofrequency signal obtained is sent to the 4th ODU；

Collection of letters bandpass filtering modules block, for carrying out bandpass filtering to the radiofrequency signal from the 4th ODU；

Low noise amplification module, puts for the radiofrequency signal from collection of letters bandpass filtering modules block is carried out low noise Greatly；

Collection of letters frequency mixing module, obtains for the radiofrequency signal from low noise amplification module is simulated mixing Analogue signal；

Collection of letters filtration module, for carrying out bandpass filtering to the analogue signal from collection of letters frequency mixing module；

Collection of letters intermediate frequency amplification module, amplifies for the analogue signal from collection of letters filtration module is carried out intermediate frequency To the analogue signal of intermediate frequency, the analog intermediate frequency signal obtained is sent to the 3rd IDU.

System the most according to claim 7, it is characterised in that the 4th ODU includes:

Transmit bandpass filtering modules block, for bandpass filtering will be carried out from the radiofrequency signal of the 3rd ODU；

Low noise amplification module, for putting carrying out low noise from the radiofrequency signal transmitting bandpass filtering modules block Greatly；

Transmit frequency mixing module, obtain for the radiofrequency signal from low noise amplification module is simulated mixing Analogue signal；

Transmit filtration module, for carrying out bandpass filtering to from the analogue signal transmitting frequency mixing module；

Transmit intermediate frequency amplification module, for amplifying carrying out intermediate frequency from the analogue signal transmitting filtration module To the analogue signal of intermediate frequency, the analog intermediate frequency signal obtained is sent to the 4th IDU of RAU；

Collection of letters intermediate frequency amplification module, for carrying out the analogue signal of the intermediate frequency of the 4th IDU from RAU Bandpass filtering and low noise amplification；

Collection of letters frequency mixing module, for being simulated being mixed to the analogue signal from collection of letters intermediate frequency amplification module Radiofrequency signal to high intermediate frequency；

Collection of letters bandpass filtering modules block, for carrying out bandpass filtering to the radiofrequency signal from collection of letters frequency mixing module；

Power amplifier module, puts for the radiofrequency signal from collection of letters bandpass filtering mould module is carried out power Greatly；

Rf attenuation module, for the radiofrequency signal from power amplifier module being carried out gain reduction, and will The radiofrequency signal obtained is sent to the 3rd ODU；

4th IDU of RAU includes:

Analog down module, under being simulated the analogue signal of the high intermediate frequency from the 4th ODU Frequency-conversion processing, obtains the analogue signal of Low Medium Frequency；

Analog-to-digital conversion module, for carrying out modulus to the analogue signal of the Low Medium Frequency from analog down module Conversion, obtains the digital signal of Low Medium Frequency；

Digital Down Converter Module, for mixing the digital signal from the Low Medium Frequency in analog-to-digital conversion module Frequently, filtering extraction and molding filtration, obtain zero intermediate frequency baseband signal；

Transmit demodulation module, for the zero intermediate frequency baseband signal from Digital Down Converter Module is demodulated；

Transmit baseband signal processing module, for going to disturb, solve friendship to from the signal transmitting demodulation module Knit and process with microwave frame solution frame；

Transmit source coding module, for carrying out information source solution to from the signal transmitting baseband signal processing module Code, obtains baseband signal, the baseband signal obtained is sent to the digital signal processing module of RAU；

Collection of letters message sink coding module, for entering the baseband signal of the digital signal processing module from RAU Row message sink coding；

Collection of letters baseband signal processing module, for the signal from collection of letters message sink coding module is scrambled, Interweave and microwave frame framing；

Collection of letters modulation module, for being modulated the signal from collection of letters baseband signal processing module；

Digital Up Convert module, for carrying out at interpolation filtering and mixing the signal from collection of letters modulation module Reason obtains the digital signal of Low Medium Frequency；

D/A converter module, for carrying out digital-to-analogue to the digital signal of the Low Medium Frequency from Digital Up Convert module Conversion, obtains the analogue signal of Low Medium Frequency；

Simulation up-converter module, for being simulated the analogue signal of the Low Medium Frequency from D/A converter module Upconversion process, obtains the analogue signal of high intermediate frequency, and the analogue signal of this high intermediate frequency is sent to the 4th ODU.

System the most according to claim 1, it is characterised in that SGW passes through S1-MME Interface is connected with LTE core network, and security gateway is connected with SGW by S1-MME interface, Security gateway is connected with LTE core network by S1-U interface, and RAU passes through S1-MME interface and letter Gateway communication, RAU is made to be connected with security gateway by S1-U interface.

11. systems according to claim 1, it is characterised in that RAU is additionally operable to the communication to MS Carry out RRM, management and running, wireless access control and mobile management；

Described system also includes network management unit；

Network management unit realizes SGW, security gateway, the user interface management of RAU and RRU, use Family management, user organize management, software management, log management, system maintenance, parameter setting and alarm report Function.