CN105763232A

CN105763232A - Communication device and communication system

Info

Publication number: CN105763232A
Application number: CN201410776430.2A
Authority: CN
Inventors: 陈林; 曹文财
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-12-15
Filing date: 2014-12-15
Publication date: 2016-07-13
Also published as: WO2016095747A1

Abstract

The present invention discloses a communication device and a communication system, and a same antenna array can be shared by a communication device with different communication standard and a second communication device. The communication device comprises a baseband unit, an RF unit, a first communication interface and a second communication interface. The RF unit communicates with an antenna array through the first communication interface and communicates with the second communication device through the second communication interface, wherein the second communication device has a second communication standard different from a first communication standard. The baseband unit is used for generating a first signal and transmitting the first signal to the RF unit. The RF unit is used for receiving the first signal transmitted by the baseband unit, receiving the second signal sent by the second communication device through the second communication interface, and carrying superposition processing on the first signal and the second signal to obtain a superposition signal. The RF unit is also used for transmitting the superposition signal to the antenna array through the first communication interface.

Description

Communicator and communication system

Technical field

The present embodiments relate to the communications field, and more particularly, to communicator and communication system.

Background technology

Along with Long Term Evolution (LongTermEvolution, LTE) development of technology and universal, LTE network will substitute the existing network with other communication standard gradually, such as, CDMA (CodeDivisionMultipleAccess, CDMA), and in the process that network substitutes, the scene that inevitably network of LTE network and other communication standard coexists in same base station, and the network of this LTE network and this other communication standard may belong to different vendor.

Network coexisted in the scene of same base station for LTE network and other communication standard, prior art proposes stand-alone antenna scheme, namely LTE network and other network each adopt independent antenna, wherein, the network of other communication standard adopts original antenna, and LTE network adopts newly deployed antenna.But, there is the shortcomings such as relatively costly, engineering difficulty is big in this stand-alone antenna scheme.For solving the various problems existed in stand-alone antenna scheme, prior art introduces shared antenna scheme, namely the antenna that the Web vector graphic of LTE network and other communication standard is same, compared with stand-alone antenna scheme, this shared antenna scheme has the advantages such as less costly and quantities is less.

Fig. 1 schematically shows the structure of the base station 100 adopting shared antenna scheme in prior art.nullAs shown in Figure 1，This base station 100 includes CDMA module 110、LTE module 120、First combiner 130、Second combiner 140 and aerial array 150，Wherein，This CDMA module 110 includes the first Base Band Unit (BasebandUnit，BBU)111、First radio frequency (RadioFrequency，RF) module 112、For the first interface I1 communicated with this first combiner 130 and the second interface I2 for communicating with this second combiner 140，This LTE module 120 includes the 2nd BBU121、2nd RF module 122、For the first interface I1 communicated with this first combiner 130 and the second interface I2 for communicating with this second combiner 140，This first combiner 130 and this second combiner 140 respectively and have communication interface I3 between aerial array 150.Specifically, the process that downstream signal is launched in this base station 110 is as follows: the first radio-frequency module 112 in CDMA module 110 carries out after process obtains the first radiofrequency signal in the baseband signal that the first Base Band Unit 111 is generated, respectively through first interface 113 and the second interface 114 by this first radio signal transmission to this first combiner 130 and this second combiner 140, similarly, the second radio-frequency module 122 in this LTE module 120 carries out after process obtains the second radiofrequency signal in the baseband signal that the second Base Band Unit 121 is generated, respectively through the 3rd interface 123 and the 4th interface 124 by this second radio signal transmission to this first combiner 130 and this second combiner 140；Second radiofrequency signal of the first radiofrequency signal of this first radio-frequency module 112 transmission and the transmission of this second radio-frequency module 122 is carried out closing road and processes by this first combiner 130 and this second combiner 140 respectively, obtain closing road signal, and by the communication interface between this aerial array 150 by this conjunction road signal transmission to aerial array 150.

But; it is generally adopted 3dB electric bridge due to combiner or wide-band coupler realizes; therefore; the introducing of this first combiner 130 and this second combiner 140 is to the Insertion Loss making cdma system and LTE system respectively increase at least 3dB; if and combiner adopts four multiplexers to realize; then can lose frequency spectrum resource owing to introducing protection band, thus affecting the performance of cdma system and LTE system.At present, the shared antenna scheme how realizing the LTE system in base station and cdma system is this area problem demanding prompt solution.

Summary of the invention

Embodiments provide a kind of communicator and communication system, it is possible to the communicator realizing having different communication standard shares identical aerial array.

First aspect, it is provided that a kind of communicator, this communicator has the first communication standard.This communicator includes: Base Band Unit, radio frequency unit, the first communication interface and second communication interface, this radio frequency unit is communicated by this first communication interface and aerial array, and communicated by this second communication interface and secondary communication device, wherein, this secondary communication device has the second communication standard being different from this first communication standard；This Base Band Unit is used for generating the first signal, and by this first signal transmission to this radio frequency unit；This radio frequency unit is for receiving this first signal of this Base Band Unit transmission, by the secondary signal that this this secondary communication device of second communication interface sends, and is overlapped this first signal and this secondary signal processing to obtain superposed signal；This radio frequency unit is additionally operable to this superposed signal transmission to this aerial array by this first communication interface.

In conjunction with first aspect, in the first possible implementation of first aspect, this radio frequency unit is additionally operable to: received the 3rd signal of this aerial array transmission by this first communication interface；3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal；This first tributary signal is transmitted to this Base Band Unit, and by this second communication interface by this second tributary signal transmission to this secondary communication device.

In conjunction with above-mentioned possible implementation, in the implementation that the second of first aspect is possible, this radio frequency unit includes: the first amplifier, the first frequency mixer, analog-digital converter and digital signal processor, wherein, this first amplifier is connected with this second communication interface, this secondary signal for this second communication interface is transmitted is amplified processing, and is amplified this secondary signal after process, and transmits this secondary signal after this processing and amplifying to this first frequency mixer；This first frequency mixer is used for this secondary signal received after this processing and amplifying of this first amplifier transfer, and this secondary signal after this processing and amplifying is carried out Frequency mixing processing, obtains mixed frequency signal, and by this mixed frequency signal transmission to this analog-digital converter；This mixed frequency signal, for receiving this mixed frequency signal of this first frequency mixer transmission, is converted to digital signal by this analog-digital converter, and by this digital data transmission to this digital signal processor；This digital signal processor is for receiving this digital signal of this analog-digital converter transmission, and is overlapped processing by this digital signal and this first signal, to obtain this superposed signal.

In conjunction with the implementation that the second of first aspect is possible, in the third possible implementation of first aspect, this radio frequency unit also includes: the first wave filter, it is connected with this first amplifier and this second communication interface respectively, this secondary signal for this second communication interface is transmitted is filtered processing, obtain this secondary signal after Filtering Processing, and this secondary signal after this Filtering Processing is transmitted to this first amplifier；This first amplifier is specifically for receiving this secondary signal after this Filtering Processing of this first filter transfer, and is amplified this secondary signal after this Filtering Processing processing, and obtains this secondary signal after this processing and amplifying.

The third possible implementation in conjunction with first aspect, in the 4th kind of possible implementation of first aspect, this radio frequency unit also includes: the first attenuator, it is connected with this first wave filter and this first amplifier respectively, for receiving this secondary signal after this Filtering Processing of this first filter transfer, reduce the power of this secondary signal after this Filtering Processing, obtain this secondary signal after power reduces, and by this secondary signal transmission after the reduction of this power to this first amplifier；This secondary signal after this power reduction that this first amplifier transmits specifically for receiving this first attenuator, and be amplified processing to this secondary signal after the reduction of this power, obtain this secondary signal after this processing and amplifying.

In conjunction with any one the possible implementation in second to the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, this radio frequency unit also includes: digital to analog converter, the second frequency mixer, the second amplifier and the second wave filter, wherein, this digital to analog converter is for receiving this superposed signal of this digital signal processor transmission, this superposed signal is converted to analogue signal, and by this analogue signal transmission to this second frequency mixer；This analogue signal, for receiving this analogue signal of this digital to analog converter transmission, is carried out Frequency mixing processing, obtains high-frequency signal by this second frequency mixer, and by this high frequency signal transmission to this second amplifier；This high-frequency signal, for receiving this high-frequency signal of this second frequency mixer transmission, is amplified processing, is amplified this high-frequency signal after process by this second amplifier, and by this high frequency signal transmission after this processing and amplifying to this second wave filter；This second wave filter is used for this high-frequency signal received after this processing and amplifying of this second amplifier transfer, it is filtered this high-frequency signal after this processing and amplifying processing, obtain this high-frequency signal after Filtering Processing, and by this first communication interface by this high frequency signal transmission after this Filtering Processing to this aerial array.

In conjunction with above-mentioned possible implementation, in the 6th kind of possible implementation of first aspect, this secondary signal is radiofrequency signal.

In conjunction with any one the possible implementation in second to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect, this radio frequency unit also includes: the 3rd wave filter, the 3rd amplifier and shunt, wherein, 3rd wave filter is connected with this first communication interface, for receiving this aerial array the 3rd signal by this first communications interface transmission, it is filtered the 3rd signal processing, obtain the 3rd signal after Filtering Processing, and by the 3rd signal transmission after this Filtering Processing to the 3rd amplifier；3rd amplifier is used for the 3rd signal received after this Filtering Processing of the 3rd filter transfer, it is amplified the 3rd signal after this Filtering Processing processing, it is amplified the 3rd signal after process, and by the 3rd signal transmission after this processing and amplifying to this shunt；This shunt is used for the 3rd signal received after this processing and amplifying of the 3rd amplifier transfer, is this first tributary signal and this second tributary signal by the 3rd Signal separator after this processing and amplifying；This shunt is additionally operable to transmit to this Base Band Unit this first tributary signal, and by this second communication interface by this second tributary signal transmission to this secondary communication device.

In conjunction with the 7th kind of possible implementation of first aspect, in the 8th kind of possible implementation of first aspect, this first wave filter is duplexer filter, and this first wave filter is connected with this shunt；This first wave filter is additionally operable to receive this second tributary signal of this shunt transmission, it is filtered this second tributary signal processing, obtain this second tributary signal after Filtering Processing, and by this second communication interface, this second tributary signal after this Filtering Processing is transmitted to this secondary communication device.

In conjunction with above-mentioned possible implementation, in the 9th kind of possible implementation of first aspect, this first communication standard is Long Term Evolution LTE, and this second communication standard is CDMA CDMA.

Second aspect, provide another kind of communicator, this communicator has the first communication standard, this communicator includes: Base Band Unit, radio frequency unit, the first communication interface and second communication interface, this radio frequency unit is communicated by this first communication interface and aerial array, and being communicated by this second communication interface and secondary communication device, wherein, this secondary communication device has the second communication standard being different from this first communication standard；This radio frequency unit for receiving the 3rd signal of this aerial array transmission by this first communication interface, and the 3rd signal is carried out branch process, to obtain the first tributary signal and the second tributary signal；This radio frequency unit is additionally operable to transmit to this Base Band Unit this first tributary signal, and by this second tributary signal by this second communication interface transmission to this secondary communication device.

In conjunction with second aspect, in the first possible implementation of second aspect, this radio frequency unit includes: wave filter, amplifier and shunt, wherein, this wave filter is connected with this first antenna interface, for the 3rd signal by the transmission of this this aerial array of first antenna interface, is filtered the 3rd signal processing, to obtain the 3rd signal after Filtering Processing, and by the 3rd signal transmission after this Filtering Processing to this amplifier；This amplifier is used for the 3rd signal received after this Filtering Processing of this filter transfer, it is amplified the 3rd signal after this Filtering Processing processing, to obtain the 3rd signal after processing and amplifying, and by the 3rd signal transmission after this processing and amplifying to this shunt；This shunt is used for the 3rd signal received after this processing and amplifying of this amplifier transfer, the 3rd signal after this processing and amplifying is carried out branch process, to obtain the first tributary signal and the second tributary signal, and this first tributary signal is transmitted to this Base Band Unit, and by this second tributary signal by this second communication interface transmission to this secondary communication device.

The third aspect, provide a kind of communication system, including: first communication device, secondary communication device and aerial array, this first communication device has the first communication standard, this secondary communication device has the second communication standard being different from this first communication standard, has the first communication interface, and have second communication interface between this first communication device and this secondary communication device between this first communication device and this aerial array, wherein, this first communication device is used for generating the first signal；This secondary communication device is used for generating secondary signal, and sends this secondary signal by this second communication interface to this first communication device；This first communication device is additionally operable to this secondary signal sent by this this secondary communication device of second communication interface, it is overlapped processing to obtain superposed signal by this first signal and this secondary signal, and sends this superposed signal by this first communication interface to this aerial array.

In conjunction with the third aspect, in the first possible implementation of the third aspect, this aerial array is additionally operable to receive the 3rd signal, and by this first communication interface by the 3rd signal transmission to this first communication device；This first communication device is additionally operable to be received the 3rd signal of this aerial array transmission by this first communication interface, 3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal, and by this second communication interface by this second tributary signal transmission to this secondary communication device；This secondary communication device is additionally operable to this second tributary signal by the transmission of this this first communication device of second communication interface.

The first possible implementation in conjunction with the third aspect or the third aspect, in the implementation that the second of the third aspect is possible, this first communication device includes: the first Base Band Unit, the first radio frequency unit, this first communication interface and this second communication interface, wherein, this first radio frequency unit is connected with this first Base Band Unit, this first communication interface and this second communication interface respectively.

In conjunction with the implementation that the second of the third aspect is possible, in the third possible implementation of the third aspect, this first radio frequency unit includes: the first amplifier, the first frequency mixer, analog-digital converter and digital signal processor, wherein, this first amplifier is connected with this second communication interface, for by this this secondary signal of second communication interface, it is amplified this secondary signal processing, it is amplified this secondary signal after process, and this secondary signal after this processing and amplifying is transmitted to this first frequency mixer；This first frequency mixer is used for this secondary signal received after this processing and amplifying of this first amplifier transfer, and this secondary signal after this processing and amplifying is carried out Frequency mixing processing, obtains mixed frequency signal, and by this mixed frequency signal transmission to this analog-digital converter；This mixed frequency signal, for receiving this mixed frequency signal of this first frequency mixer transmission, is converted to digital signal by this analog-digital converter, and by this digital data transmission to this digital signal processor；This digital signal processor is connected with this analog-digital converter and this first communication interface respectively, for receiving this digital signal of this analog-digital converter transmission, it is overlapped processing by this digital signal and this first signal, to obtain superposed signal, and by this superposed signal by this first communications interface transmission to this aerial array.

In conjunction with the first of the third aspect or the third aspect to any one the possible implementation in the third possible implementation, in the 4th kind of possible implementation, this secondary communication device includes: the second Base Band Unit, the second radio frequency unit and this second communication interface, wherein this second radio frequency unit is connected with this second Base Band Unit and this second communication interface respectively.

In conjunction with the first of the third aspect or the third aspect to any one the possible implementation in the 4th kind of possible implementation, in the 5th kind of possible implementation, this first communication standard is Long Term Evolution LTE, and this second communication standard is CDMA CDMA.

Based on technique scheme, communicator according to embodiments of the present invention and communication system, including radio frequency unit and aerial array and secondary communication device between be respectively provided with the first communication interface and second communication interface, wherein, this communicator and this secondary communication device have different communication standards, and the secondary signal that this radio frequency unit is sent by this this secondary communication device of second communication interface, the first signal that this secondary signal and Base Band Unit are sent is overlapped process and obtains superposed signal, and by this first communication interface by this superposed signal transmission to this aerial array, it is capable of this communicator with different communication standard and shares identical aerial array with this secondary communication device.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, the accompanying drawing used required in the embodiment of the present invention or description of the prior art will be briefly described below, apparently, drawings described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the schematic diagram of the base station of employing shared antenna scheme of the prior art.

Fig. 2 is the schematic block diagram of the communicator of the embodiment of the present invention.

Fig. 3 is the schematic diagram of the radio-frequency module of the communicator of the embodiment of the present invention.

Fig. 4 is another schematic diagram of the radio-frequency module of the communicator of the embodiment of the present invention.

Fig. 5 is another schematic diagram of the radio-frequency module of the communicator of the embodiment of the present invention.

Fig. 6 is the schematic diagram of the communication system of the embodiment of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the premise not making creative work, all should belong to the scope of protection of the invention.

nullIt should be understood that，The technical scheme of the embodiment of the present invention can apply to various communication system，Such as: global system for mobile telecommunications (GlobalSystemofMobilecommunication，GSM) system、CDMA (CodeDivisionMultipleAccess，CDMA) system、WCDMA (WidebandCodeDivisionMultipleAccess，WCDMA) system、GPRS (general packet radio service) (GeneralPacketRadioService，GPRS)、Long Term Evolution (LongTermEvolution，LTE) system、LTE FDD (FrequencyDivisionDuplex，FDD) system、LTE time division duplex (TimeDivisionDuplex，TDD)、UMTS (UniversalMobileTelecommunicationSystem，UMTS)、Global interconnection inserting of microwave (WorldwideInteroperabilityforMicrowaveAccess，WiMAX) communication system etc..

nullWill also be understood that，In embodiments of the present invention，Subscriber equipment (UserEquipment，UE) terminal (Terminal) can be referred to as、Mobile platform (MobileStation，MS)、Mobile terminal (MobileTerminal) etc.，This subscriber equipment can through wireless access network (RadioAccessNetwork，RAN) communicate with one or more core net，Such as，Subscriber equipment can be cell phone、Wireless phone、SIP(SessionInitiationProtocol，Session initiation protocol) phone、WLL(WirelessLocalLoop，WLL) stand、PDA(PersonalDigitalAssistant，Personal digital assistant)、There is the handheld device of radio communication function、Computing equipment or be connected to other process equipment of radio modem.Subscriber equipment can also is that portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device.

nullWill also be understood that，In embodiments of the present invention，Base station，Can be the AP (AccessPoint of WiFi，WAP)，Or GSM (GlobalSystemofMobilecommunication，Global system for mobile telecommunications) or CDMA (CodeDivisionMultipleAccess，CDMA) in BTS (BaseTransceiverStation，Base station)，Can also be WCDMA (WidebandCodeDivisionMultipleAccess，WCDMA) in NB (NodeB，Base station)，Can also is that LTE (LongTermEvolution，Long Term Evolution) in eNB or eNodeB (EvolutionalNodeB，Evolved base station)，Or relay station or access point，Or the base station equipment etc. in following 5G network.

Fig. 2 is the schematic block diagram of the communicator 200 of the embodiment of the present invention.This communicator 200 has the first communication standard, and this communicator 200 can be base station or miscellaneous equipment, or is a module in autonomous device, and this first communication standard can be LTE, or is other communication standard, and this is not limited by the embodiment of the present invention.As in figure 2 it is shown, this communicator 200 includes:

Base Band Unit 210, radio frequency unit the 220, first communication interface 230 and second communication interface 240, this radio frequency unit 220 is communicated with aerial array by this first communication interface 230, and communicated with secondary communication device by this second communication interface 240, wherein, this secondary communication device has the second communication standard being different from this first communication standard；

This Base Band Unit 210 is used for generating the first signal, and by this first signal transmission to this radio frequency unit 220；

This radio frequency unit 220, for receiving this first signal of this Base Band Unit 210 transmission, receives, by this second communication interface 240, the secondary signal that this secondary communication device sends, and is overlapped this first signal and this secondary signal processing to obtain superposed signal；

This radio frequency unit 220 is additionally operable to this superposed signal transmission to this aerial array by this first communication interface 230.

Therefore, communicator according to embodiments of the present invention, it is respectively provided with the first communication interface and second communication interface between included radio frequency unit and aerial array and secondary communication device, wherein, this communicator and this secondary communication device have different communication standards, and the secondary signal that this radio frequency unit is sent by this this secondary communication device of second communication interface, the first signal that this secondary signal and Base Band Unit are sent is overlapped process and obtains superposed signal, and by this first communication interface by this superposed signal transmission to this aerial array, it is capable of this communicator with different communication standard and shares identical aerial array with this secondary communication device.

This aerial array is after receiving this superposed signal, it is possible to send this superposed signal to Correspondent Node, for instance, subscriber equipment, but the embodiment of the present invention is not limited to this.

In embodiments of the present invention, this communicator 200 can have different communication standards from this secondary communication device, and is manufactured by different manufacturers.This first communication standard can be the communication standard that any two is different with this second communication standard.Alternatively, this first communication standard is LTE, and this second communication standard is CDMA.

Alternatively, this second communication standard can also be other communication standard, for instance, GSM or WCDMA, but this is not limited by the embodiment of the present invention.

When this first communication standard is LTE and this second communication standard is CDMA, this communicator 200 can be specially the LTE module in base station, and this secondary communication device can be specially the CDMA module in base station.Compared with the LTE module 120 in the base station 100 shown in Fig. 1, this communicator 200 has on the basis of the first communication interface communicated with aerial array, has increased the second communication interface communicated with this secondary communication device (i.e. CDMA module) newly；Meanwhile, this secondary communication device can only have the second communication interface communicated with this communicator 200, and can not have the communication interface communicated with aerial array.So; the secondary signal that this secondary communication device (CDMA module) generates can be passed through second communication interface and transmit to this communicator 200; this communicator 200 generates the first signal; and it is overlapped processing to obtain superposed signal by this secondary signal and this first signal; thus avoiding owing to increasing additional modules on the basis of this LTE module and this CDMA module, systematic function being impacted; such as, the basis of this LTE module and this CDMA module increases combiner and introduce extra differential loss or protection band.

First signal of this Base Band Unit 210 transmission that this radio frequency unit 220 receives can be baseband signal, wherein, common public radio interface (CommonPublicRadioInterface can be had between this Base Band Unit 210 and this radio frequency unit 220, CPRI), wherein, this first signal generated can be transmitted to this radio frequency unit 220 with the form of digital signal by this Base Band Unit 210 by this CPRI interface, but this is not limited by the embodiment of the present invention.

This secondary signal of this secondary communication device transmission can be baseband signal or high-frequency signal, for instance, radiofrequency signal.This radio frequency unit 220 can and the Base Band Unit of this secondary communication device between there is this second communication interface, or and there is between the radio frequency unit of this secondary communication device this second communication interface.Preferably, this secondary signal is radiofrequency signal.Now, there is between this radio frequency unit 220 and radio frequency unit of this secondary communication device this second communication interface, but the embodiment of the present invention is not limited to this.

This radio frequency unit 220 can be analogue signal by this secondary signal that this second communication interface arrives, now, this secondary signal can be carried out analog-to-digital conversion process by this radio frequency unit 220, to obtain the digital signal corresponding with this secondary signal, and be overlapped processing to this digital signal corresponding with this secondary signal and this first signal, but the embodiment of the present invention is not limited to this.

This first signal and this secondary signal can be analogue signal or digital signal, and correspondingly, this radio frequency unit 220 can specifically for being overlapped two analogue signals or be overlapped by two digital signals processing, and this is not limited by the embodiment of the present invention.As a preferred embodiment, this first signal can be digital signal, and this secondary signal can be analogue signal.Now, this radio frequency unit 220 specifically for being converted to digital signal by this secondary signal, and is overlapped processing by this first signal and this digital signal, but the embodiment of the present invention is not limited to this.

This first signal and this secondary signal can be overlapped processing by this radio frequency unit 220 in several ways, as an alternative embodiment, as shown in Figure 3, this radio frequency unit 220 includes: first amplifier the 221, first frequency mixer 222, analog-digital converter (AnalogtoDigitalConverter, ADC) 223 and digital signal processor 224, wherein

This first amplifier 221 is connected with this second communication interface 240, for being amplified this secondary signal processing, is amplified this secondary signal after process, and transmits this secondary signal after this processing and amplifying to this first frequency mixer 222；

This first frequency mixer 222 is used for this secondary signal received after this processing and amplifying of this first amplifier 221 transmission, and this secondary signal after this processing and amplifying is carried out Frequency mixing processing, obtains mixed frequency signal, and by this mixed frequency signal transmission to this analog-digital converter 223；

This mixed frequency signal, for receiving this mixed frequency signal of this first frequency mixer 222 transmission, is converted to digital signal by this analog-digital converter 223, and by this digital data transmission to this digital signal processor 224；

This digital signal processor 224 is for receiving this digital signal of this analog-digital converter 223 transmission, and is overlapped processing by this digital signal and this first signal.

This first amplifier 221 can be connected with this second communication interface 240 and this first frequency mixer 222 respectively, for being received this secondary signal of this secondary communication device transmission by this second communication interface 240, and it is amplified this secondary signal processing, it is amplified this secondary signal after process, and this secondary signal after this processing and amplifying is transmitted to this first frequency mixer 222.Alternatively, this first amplifier 221 can be low noise amplifier, and the yield value of this first amplifier 221 might be less that 1, and now, this first amplifier 221 is specifically for reducing the power of this secondary signal.Alternatively, this first amplifier 221 can be automatic gain controller (AutomaticGainControl, AGC), for according to target output level, being amplified this secondary signal processing, so that the absolute difference of the amplitude of this secondary signal after processing and amplifying and this target output level is less than preset value, wherein, this target output level can be default, or what this communicator 200 obtained from other network equipment, this is not limited by the embodiment of the present invention.

This first frequency mixer 222 can be connected with this first amplifier 221, this analog-digital converter 223 and the first signal source respectively, for receive this first amplifier 221 transmission this processing and amplifying after this secondary signal, obtain the first local oscillation signal that this first signal source generates, adopt this first local oscillation signal that this secondary signal after this processing and amplifying is carried out Frequency mixing processing, to obtain mixed frequency signal, and by this mixed frequency signal transmission to this analog-digital converter 223.Alternatively, this first local oscillation signal can be intermediate frequency or high-frequency signal, and this first frequency mixer 222 can specifically adopt this first local oscillation signal that this secondary signal after this processing and amplifying is carried out upconversion process or down-converted, so that the mixed frequency signal that this Frequency mixing processing obtains can be supported by this analog-digital converter 223.Preferably, this mixed frequency signal is intermediate-freuqncy signal, but this is not limited by the embodiment of the present invention.

This analog-digital converter 223 can be connected with this first frequency mixer 222 and this digital signal processor 224 respectively, for receiving this mixed frequency signal of this first frequency mixer 222 transmission, and this mixed frequency signal is carried out analog-to-digital conversion process, obtain the digital signal corresponding with this mixed frequency signal, and by this digital data transmission corresponding with this mixed frequency signal to this digital signal processor 224.

This digital signal processor 224 can be connected with this analog-digital converter 223 and this Base Band Unit 210 respectively, for receiving the digital signal corresponding to this mixed frequency signal of this analog-digital converter 223 transmission, receive this first signal of this Base Band Unit 210 transmission, and be overlapped processing to the digital signal that this first signal is corresponding with this mixed frequency signal, it is thus achieved that superposed signal.Wherein, this digital signal processor 224 can digital signal that directly this first signal of superposition is corresponding with this mixed frequency signal, first at least one in this first signal digital signal corresponding with this mixed frequency signal can also be processed, then being overlapped operation, this is not limited by the embodiment of the present invention.

Alternatively, this digital signal processor 224 can also connect with this first communication interface 230, correspondingly, this digital signal processor 224 can be also used for being transmitted to this aerial array this superposed signal by this first communication interface 230, but the embodiment of the present invention is not limited to this.

Therefore, this communicator 200 in the embodiment of the present invention adopts this digital signal processor to be overlapped this first signal and this secondary signal processing, extra differential loss will not be introduced, with prior art adopts compared with signal is overlapped process by combiner, it is possible to increase signal quality and systematic function.

It should be understood that, in embodiments of the present invention, term " first component is connected with second component " can represent that this first component and this second component are directly connected to and centre does not have other parts, it is also possible to represent that this first component and this second component are indirectly connected with by other parts.

In embodiments of the present invention, this first amplifier 221 can be connected directly or indirectly with this second communication interface 240.As an alternative embodiment, as it is shown on figure 3, this radio frequency unit 220 also includes:

First wave filter 225, it is connected with this first amplifier 221 and this second communication interface 240 respectively, this secondary signal for this second communication interface 240 is transmitted is filtered processing, obtain this secondary signal after Filtering Processing, and this secondary signal after this Filtering Processing is transmitted to this first amplifier 221.Now, this first amplifier 221 specifically for receive this first wave filter 225 transmission this Filtering Processing after this secondary signal, and this secondary signal after this Filtering Processing is amplified process, obtain this secondary signal after this processing and amplifying.

Now, this first amplifier 221 and this second communication interface 240 are indirectly connected with by this first wave filter 225.This first wave filter 225 can be general filter or duplexer filter, this first wave filter 225 can pass through this second communication interface 240 receive this secondary signal of this secondary communication device transmission, is filtered this secondary signal processing to obtain this secondary signal after Filtering Processing.This secondary signal after this Filtering Processing can also be transmitted to this first amplifier 221 by this first wave filter 225, correspondingly, this first amplifier 221 receives this secondary signal after this Filtering Processing of this first wave filter 225 transmission, and be amplified to the received signal processing, but the embodiment of the present invention is not limited to this.

This first wave filter 225 and this first amplifier 221 can directly or indirectly connect, as another alternative embodiment, as it is shown on figure 3, this radio frequency unit 220 also includes:

First attenuator 226, it is connected with this first wave filter 225 and this first amplifier 221 respectively, for receive this first wave filter 225 transmission this Filtering Processing after this secondary signal, reduce the power of this secondary signal after this Filtering Processing, obtain this secondary signal after power reduces, and by this secondary signal transmission after the reduction of this power to this first amplifier 221；

This secondary signal after this power reduction that this first amplifier 221 transmits specifically for receiving this first attenuator 226, and be amplified processing to this secondary signal after the reduction of this power, obtain this secondary signal after this processing and amplifying.

Now, this secondary communication device is after generating this secondary signal, this secondary signal can not be carried out power control and this secondary signal is transmitted to this communicator 200, correspondingly, this communicator 200 is after receiving this secondary signal, it is possible to adopt this first attenuator 226 that this secondary signal is carried out power control.Specifically, this first attenuator 226 can be adjustable attenuator, this first attenuator 226 can receive this secondary signal after this Filtering Processing of this first wave filter 225 transmission, and carry out power control to the received signal, to obtain this secondary signal after power controls, and by this secondary signal transmission after the control of this power to this first amplifier 221；Correspondingly, this first amplifier 221 can receive this secondary signal after this power control of this first attenuator 226 transmission, and is amplified processing to this secondary signal after the control of this power, but the embodiment of the present invention is not limited to this.

As another alternative embodiment, this radio frequency unit 220 can not also include this first wave filter 225, now, this first attenuator 226 can directly be connected with this second communication interface 240, and received this secondary signal of this secondary communication device transmission by this second communication interface 240, but the embodiment of the present invention is not limited to this.

In embodiments of the present invention, this digital signal processor 224 can directly or indirectly be connected with this first communication interface 230.As an alternative embodiment, as shown in Figure 4, this radio frequency unit 220 also includes: digital to analog converter (DigitaltoAnalogConverter, DAC) 227-2, the second frequency mixer 227-4, the second amplifier 227-6 and the second wave filter 227-8, wherein

This digital to analog converter 227-2, for receiving this superposed signal of this digital signal processor 224 transmission, is converted to analogue signal by this superposed signal, and by this analogue signal transmission to this second frequency mixer 227-4；

This analogue signal, for receiving this analogue signal of this digital to analog converter 227-2 transmission, is carried out Frequency mixing processing, obtains high-frequency signal by this second frequency mixer 227-4, and by this high frequency signal transmission to this second amplifier 227-6；

This second amplifier 227-6 is for receiving this high-frequency signal of this second frequency mixer 227-4 transmission, it is amplified this high-frequency signal processing, it is amplified this high-frequency signal after process, and by this high frequency signal transmission after this processing and amplifying to this second wave filter 227-8；

This second wave filter 227-8 is used for this high-frequency signal received after this processing and amplifying of this second amplifier 227-6 transmission, it is filtered this high-frequency signal after this processing and amplifying processing, obtain this high-frequency signal after Filtering Processing, and by this first communication interface 230 by this high frequency signal transmission after this Filtering Processing to this aerial array.

This digital to analog converter 227-2 can be connected with this digital signal processor 224 and this second frequency mixer 228 respectively, for receiving this superposed signal of this digital signal processor 224 transmission, this superposed signal is carried out digital-to-analogue conversion process, obtain the analogue signal that this superposed signal is corresponding, and by analogue signal transmission corresponding for this superposed signal to this second frequency mixer 227-4.

This second frequency mixer 227-4 can be connected with this digital to analog converter 227-2, this second amplifier 227-6 and secondary signal source respectively, the analogue signal corresponding for receiving this digital to analog converter 227-2 this superposed signal transmitted, receive the second local oscillation signal that this secondary signal source generates, and adopt this second local oscillation signal that the analogue signal that this superposed signal is corresponding is carried out Frequency mixing processing.As an alternative embodiment, this second frequency mixer 227-4 can adopt this second local oscillation signal that the analogue signal that this superposed signal is corresponding is carried out Frequency mixing processing, for instance, upconversion process or down-converted, to obtain high-frequency signal, but the embodiment of the present invention is not limited to this.

This second amplifier 227-6 can be connected with this second frequency mixer 227-4 and this second wave filter 227-8 respectively, for receiving the high-frequency signal of this second frequency mixer 227-4 transmission, is amplified this high-frequency signal processing, it is thus achieved that this high-frequency signal after processing and amplifying.Alternatively, this second amplifier 227-6 can be variable gain amplifier (VariableGainAmplifier, VGA), but the embodiment of the present invention is not limited to this.

This second wave filter 227-8 can be connected with this second amplifier 227-6 and this first communication interface 230 respectively, for receive this second amplifier 227-6 transmission this processing and amplifying after high-frequency signal, it is filtered to the received signal processing, and the signal after Filtering Processing is transmitted to this aerial array by this first communication interface 230.

As another alternative embodiment, as shown in Figure 4, this radio frequency unit 220 can also include:

Wave filter 228-2, it is connected with this digital to analog converter 227-2 and this second frequency mixer 227-4 respectively, the analogue signal corresponding for receiving this digital to analog converter 227-2 this superposed signal transmitted, it is filtered the analogue signal that this superposed signal is corresponding processing, obtain this analogue signal after Filtering Processing, and this analogue signal after Filtering Processing is transmitted to this second frequency mixer 227-4.Now, this second frequency mixer 227-4 is indirectly connected with by this wave filter 228-2 and this digital to analog converter 227-2, for receive this wave filter 228-2 transmission this Filtering Processing after analogue signal, and this analogue signal after this Filtering Processing is carried out Frequency mixing processing, but the embodiment of the present invention is not limited to this.

Power amplifier 228-4, it is connected with this second wave filter 227-8 and this second amplifier 227-6 respectively, for receive this second amplifier 227-6 transmission this processing and amplifying after this high-frequency signal, and this high-frequency signal after this processing and amplifying is carried out power amplification process, to obtain this high-frequency signal after power amplification processes.

Now, this second wave filter 227-8 is specifically for receiving this high-frequency signal after this power amplifier 228-4 this power amplification transmitted processes, and is filtered processing to this high-frequency signal after the control of this power.

As another alternative embodiment, can also having a feedback circuit between this power amplifier 228-4 and this digital signal processor 224, this feedback circuit can by the sub-fraction transmission of this high-frequency signal after this power amplifier 228-4 this power amplification exported process to this digital signal processor 224.Now, this digital signal processor 224 can receive the feedback signal of this feedback circuit transmission, and according to this feedback signal received, the second superposed signal is optimized process, such as, carry out digital pre-distortion (DigitalPre-Distortion, DPD) process, wherein, this second superposed signal is that the 5th signal that this secondary communication device is generated by the 4th signal of this second communication interface transmission and this Base Band Unit 210 is overlapped processing acquisition by this digital signal processor 224, and this digital signal processor 224 obtains moment of this second superposed signal and can be later than this digital signal processor 224 and obtain the moment of this superposed signal, so can improve the signal quality of the output signal of this communication equipment, but the embodiment of the present invention is not limited to this.

As another alternative embodiment, the signal of all right receiving antenna array transmission of this communicator 200, correspondingly, this radio frequency unit 200 is additionally operable to:

The 3rd signal of this aerial array transmission is received by this first communication interface 230；

3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal；

This first tributary signal is transmitted to this Base Band Unit 210, and by this second communication interface 240 by this second tributary signal transmission to this secondary communication device.

This radio frequency unit 220 can pass through this first communication interface 230 and receive the 3rd signal of this aerial array transmission, wherein, 3rd signal can be that this aerial array obtains from other equipment, such as, 3rd signal is the upward signal that subscriber equipment sends, but this is not limited by the embodiment of the present invention.3rd Signal separator can be the first tributary signal and the second tributary signal by this radio frequency unit 220, and is transmitted to this secondary communication device by this second communication interface 240 by the second tributary signal, by this first tributary signal transmission to this Base Band Unit 210.Wherein, as an alternative embodiment, the shunt that the separating treatment of the 3rd signal can be included by this radio frequency unit 220 by this radio frequency unit 220 realizes.As it is shown in figure 5, this radio frequency unit 220 also includes: the 3rd wave filter 228-6, the 3rd amplifier 228-8 and shunt 229-2, wherein,

3rd wave filter 228-6 is connected with this first communication interface 230, for receiving this aerial array the 3rd signal by the transmission of this first communication interface 230, it is filtered the 3rd signal processing, obtain the 3rd signal after Filtering Processing, and by the 3rd signal transmission after this Filtering Processing to the 3rd amplifier 228-8；

3rd amplifier 228-8 is used for the 3rd signal received after this Filtering Processing of the 3rd wave filter 228-6 transmission, it is amplified the 3rd signal after this Filtering Processing processing, it is amplified the 3rd signal after process, and by the 3rd signal transmission after this processing and amplifying to this shunt 229-2；

This shunt 229-2 is used for the 3rd signal received after this processing and amplifying of the 3rd amplifier 228-8 transmission, is this first tributary signal and this second tributary signal by the 3rd Signal separator after this processing and amplifying；

This shunt 229-2 is additionally operable to transmit to this Base Band Unit 210 this first tributary signal, and by this second communication interface 240 by this second tributary signal transmission to this secondary communication device.

3rd wave filter 228-6 can be duplexer filter, and the 3rd wave filter 228-6 can be connected with this first communication interface 230 and the 3rd amplifier 228-8 respectively, alternatively, 3rd wave filter 228-6 and this second wave filter 227-8 can be same duplexer filter, but the embodiment of the present invention is not limited to this.3rd amplifier 228-8 can be low noise amplifier, and the 3rd amplifier 228-8 can be connected with the 3rd wave filter 228-2 and this shunt 229-2 respectively, wherein, the 3rd amplifier 228-8 can be connected directly or indirectly with this shunt 229-2.As an alternative embodiment, as shown in Figure 5, this radio frequency unit can also include the second attenuator 229-3, the 5th wave filter 229-4 and the four amplifier 229-5, wherein, this second attenuator 229-3 is connected with the 3rd amplifier 228-8 and the 5th wave filter 229-4,4th amplifier 229-5 can be low noise amplifier, and is connected with the 5th wave filter 229-4 and this shunt 229-2 respectively, but the embodiment of the present invention is not limited to this.

This shunt 229-2 can be bonder, and this shunt 229-2 is connected with this Base Band Unit 210 and this second communication interface 240 respectively, Signal separator for receiving is the first tributary signal and the second tributary signal, and this first tributary signal and this second tributary signal are transmitted separately to this Base Band Unit and this secondary communication device, but the embodiment of the present invention is not limited to this.

This shunt 229-2 can directly by this first tributary signal transmission to this Base Band Unit 210, it is also possible to first this first tributary signal is processed, then by this first tributary signal transmission after process to this Base Band Unit 210.As an alternative embodiment, as it is shown in figure 5, this radio frequency unit 220 also includes: the 5th wave filter 229-6, three-mixer 229-7 and the second analog-digital converter 229-8, wherein,

5th wave filter 229-6 is connected with this shunt 229-2 and this three-mixer 229-7 respectively, for receiving this first tributary signal of this shunt 229-2 transmission, it is filtered this first tributary signal processing to obtain this first tributary signal after Filtering Processing, and by this first tributary signal transmission after this Filtering Processing to this three-mixer 229-7；

This three-mixer 229-7 is connected with the 5th wave filter 229-6, the second analog-digital converter 229-8 and the 3rd signal source respectively, for receive the 5th wave filter 229-6 transmission this Filtering Processing after this first tributary signal, receive the 3rd local oscillation signal that the 3rd signal source generates, adopt the 3rd local oscillation signal that this first tributary signal carries out Frequency mixing processing and obtain the second mixed frequency signal, and by this second mixed frequency signal transmission to this second analog-digital converter 229-8；

This second analog-digital converter 229-8 is connected with this three-mixer 229-7 and this Base Band Unit 210 respectively, for receiving this second mixed frequency signal of this three-mixer 229-7 transmission, this second mixed frequency signal is carried out analog-to-digital conversion process, obtain second digital signal corresponding with this second mixed frequency signal, and by this second digital data transmission to this Base Band Unit 210.

This three-mixer 229-7 can adopt the 3rd local oscillation signal that this first tributary signal is carried out up-conversion or down-converted, and this is not limited by the embodiment of the present invention.

Alternatively, this second analog-digital converter 229-8 can and this Base Band Unit between there is CPRI interface, and can by with the CPRI interface between this Base Band Unit 210 by digital data transmission corresponding for this first tributary signal to this Base Band Unit 210, but the embodiment of the present invention is not limited to this.

Similarly, this radio frequency unit 220 can directly by this second tributary signal transmission to this secondary communication device, first this second tributary signal can also being processed, then transmit this second tributary signal after process to this secondary communication device, this is not limited by the embodiment of the present invention.As an alternative embodiment, this first wave filter 225 is duplexer filter, and this first wave filter 225 is connected with this shunt 229-2.

This first wave filter 225 is additionally operable to receive this second tributary signal of this shunt 229-2 transmission, it is filtered this second tributary signal processing, obtain this second tributary signal after Filtering Processing, and by this second communication interface 240, this second tributary signal after this Filtering Processing is transmitted to this secondary communication device.

In addition, communicator according to embodiments of the present invention, processes by adopting digital signal processor that the first signal and secondary signal are overlapped, will not introduce extra differential loss, with prior art adopts compared with signal is overlapped process by combiner, it is possible to increase signal quality and systematic function.

As shown in Figure 2, the embodiment of the present invention additionally provides another kind of communicator, this communicator has the first communication standard, this communicator can be base station or miscellaneous equipment, or it is a module in autonomous device, this first communication standard can be LTE, or is other communication standard, and this is not limited by the embodiment of the present invention.This communicator includes:

Base Band Unit, radio frequency unit, the first communication interface and second communication interface, this radio frequency unit is communicated by this first communication interface and aerial array, and communicated by this second communication interface and secondary communication device, wherein, this secondary communication device has the second communication standard being different from this first communication standard；

This radio frequency unit for receiving the 3rd signal of this aerial array transmission by this first communication interface, and the 3rd signal is carried out branch process, to obtain the first tributary signal and the second tributary signal；

This radio frequency unit is additionally operable to transmit to this Base Band Unit this first tributary signal, and by this second tributary signal by this second communication interface transmission to this secondary communication device.

Alternatively, this radio frequency unit includes: wave filter, amplifier and shunt, wherein,

This wave filter is connected with this first antenna interface, for the 3rd signal transmitted by this this aerial array of first antenna interface, it is filtered the 3rd signal processing, to obtain the 3rd signal after Filtering Processing, and by the 3rd signal transmission after this Filtering Processing to this amplifier；

This amplifier is used for the 3rd signal received after this Filtering Processing of this filter transfer, it is amplified the 3rd signal after this Filtering Processing processing, to obtain the 3rd signal after processing and amplifying, and by the 3rd signal transmission after this processing and amplifying to this shunt；

This shunt is used for the 3rd signal received after this processing and amplifying of this amplifier transfer, the 3rd signal after this processing and amplifying is carried out branch process, to obtain the first tributary signal and the second tributary signal, and this first tributary signal is transmitted to this Base Band Unit, and by this second tributary signal by this second communication interface transmission to this secondary communication device.

Wherein, this communicator is as receiving terminal, this shunt can be specially bonder, and this wave filter, amplifier and shunt can correspond to the 3rd wave filter 228-6, the 3rd amplifier 228-8 and shunt 229-2 in above-described embodiment, but the embodiment of the present invention is not limited to this.

As another alternative embodiment, this radio frequency unit can also include another wave filter, this another wave filter can be connected with this shunt and this second communication interface respectively, for receiving this second tributary signal, it is filtered this second tributary signal processing, to obtain this second tributary signal after Filtering Processing, and by this second tributary signal after this Filtering Processing by this second communication interface transmission to this secondary communication device.

Preferably, this first communication standard can be LTE, and this second communication standard can be CDMA, but the embodiment of the present invention is not limited to this.

Therefore, communicator according to embodiments of the present invention, it is respectively provided with the first communication interface and second communication interface between included radio frequency unit and aerial array and secondary communication device, wherein, this communicator and this secondary communication device have different communication standards, and this radio frequency unit can pass through the 3rd signal of the first communication interface receiving antenna array transmission, 3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal, and by this second communication interface by this second tributary signal transmission to this secondary communication device, it is capable of this communicator with different communication standard and shares identical aerial array with this secondary communication device.

Additionally, communicator according to embodiments of the present invention, before the 3rd signal is easily separated, it is possible to the 3rd signal is filtered and processing and amplifying, it is possible to increase the signal quality of the first tributary signal and the second tributary signal, and then improve systematic function.

Above in conjunction with Fig. 2 to Fig. 5, describe communicator according to embodiments of the present invention in detail, below in conjunction with Fig. 6, describe communication system according to embodiments of the present invention.

Fig. 6 schematically shows the structure of communication system 300 according to embodiments of the present invention, and this communication system 300 may include that

First communication device 310, secondary communication device 320 and aerial array 330, this first communication device 310 has the first communication standard, this secondary communication device 320 has the second communication standard being different from this first communication standard, there is between this first communication device 310 and this aerial array 330 first communication interface L1, and there is between this first communication device 310 and this secondary communication device 320 second communication interface L2.

As an alternative embodiment, this first communication device 310 is used for generating the first signal；

This secondary communication device 320 is used for generating secondary signal, and transmits this secondary signal by this second communication interface to this first communication device 310；

This first communication device 310 is additionally operable to this secondary signal by the transmission of this secondary communication device 320 of this second communication interface, it is overlapped processing to obtain superposed signal by this first signal and this secondary signal, and transmits this superposed signal by this first communication interface to this aerial array 330；

This aerial array 330 for receiving this superposed signal of this first communication device transmission by this first communication interface, and sends this superposed signal to Correspondent Node.

Therefore, communication system according to embodiments of the present invention, the first communication interface and second communication interface it is respectively provided with between first communication device and aerial array and secondary communication device, wherein, this first communication device and this secondary communication device have different communication standards, and this first communication device is by the secondary signal of this this secondary communication device of second communication interface transmission, the first signal that this secondary signal and this first communication device are generated is overlapped processing, to obtain superposed signal, and by this first communication interface by this superposed signal transmission to this aerial array, it is capable of this first communication device and shares identical aerial array with this secondary communication device.

This first communication device can have different communication standards from this secondary communication device, and is manufactured by different manufacturers, and therefore, the module that this first communication device is identical with in this secondary communication device can have different implementations.In addition, this first communication device can be two different equipment with this secondary communication device, such as, two base stations with different communication standard, or this first communication device and this secondary communication device are two modules in same equipment, this Correspondent Node can be subscriber equipment or other network equipment, and this is not limited by the embodiment of the present invention.

This first communication interface can be one or more, and the quantity of this second communication interface can also be one or more, and this is not limited by the embodiment of the present invention.

As another alternative embodiment, this aerial array 330 is for receiving the 3rd signal that Correspondent Node sends, and is transmitted the 3rd signal to this first communication device 310 by this first communication interface；

This first communication device 310 for receiving the 3rd signal of this aerial array 330 transmission by this first communication interface, 3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal, and by this second communication interface by this second tributary signal transmission to this secondary communication device 320；

This secondary communication device 320 is additionally operable to this second tributary signal by the transmission of this first communication device 310 of this second communication interface.

As another alternative embodiment, this first communication standard is LTE, and this second communication standard is CDMA.

As another alternative embodiment, this first communication device 310 includes: the first Base Band Unit, the first radio frequency unit, this first communication interface and this second communication interface, wherein, this first radio frequency unit is connected with this first Base Band Unit, this first communication interface and this second communication interface respectively.

As another alternative embodiment, this first radio frequency unit includes: the first amplifier, the first frequency mixer, analog-digital converter and digital signal processor, wherein,

This first amplifier is connected with this second communication interface, for being amplified this secondary signal processing, is amplified this secondary signal after process, and transmits this secondary signal after this processing and amplifying to this first frequency mixer；

This first frequency mixer is used for this secondary signal received after this processing and amplifying of this first amplifier transfer, and this secondary signal after this processing and amplifying is carried out Frequency mixing processing, obtains mixed frequency signal, and by this mixed frequency signal transmission to this analog-digital converter；

This mixed frequency signal, for receiving this mixed frequency signal of this first frequency mixer transmission, is converted to digital signal by this analog-digital converter, and by this digital data transmission to this digital signal processor；

This digital signal processor is connected with this analog-digital converter and this first communication interface respectively, for receiving this digital signal of this analog-digital converter transmission, it is overlapped processing by this digital signal and this first signal, to obtain superposed signal, and by this superposed signal by this first communications interface transmission to this aerial array 330.

As another alternative embodiment, this secondary communication device 320 includes: the second Base Band Unit, the second radio frequency unit and this second communication interface, wherein this second radio frequency unit is connected with this second Base Band Unit and this second communication interface respectively.

This second Base Band Unit is used for generating the second baseband signal, and by this second base band signal transmission to this second radio frequency unit, this the second baseband signal can be carried out frequency-conversion processing by this second radio frequency unit, obtain this secondary signal, and this secondary signal is transmitted to this first communication device 310 by this second communication interface, now, this secondary signal is high-frequency signal, or it is specially radiofrequency signal, but the embodiment of the present invention is not limited to this.Alternatively, this secondary communication device 320 can be identical with the CDMA module 110 in base station 100, but the embodiment of the present invention is not limited to this.

First communication device 310 according to embodiments of the present invention may correspond to the communicator 200 of above-described embodiment, and secondary communication device 310 can correspond to the secondary communication device in above-described embodiment, for sake of simplicity, do not repeat them here.

In addition, communication system according to embodiments of the present invention, first signal and secondary signal are overlapped processing by this first communication device by adopting digital signal processor, extra differential loss will not be introduced, with prior art adopts compared with signal is overlapped process by combiner, it is possible to increase signal quality and systematic function.

Describing, above in association with Fig. 2 to Fig. 6, communicator and the communication system that the embodiment of the present invention provides in detail, be described below in detail the communication means that the embodiment of the present invention provides, wherein, this communication means can be performed by the communicator of above-described embodiment.

The embodiment of the present invention additionally provides a kind of communication means, is applied to the communicator with the first communication standard, and this communication means includes:

Generate the first digital signal；

By the first analogue signal that second communication interface secondary communication device sends, wherein, this secondary communication device has the second communication standard being different from this first communication standard；

This first analogue signal is carried out analog-to-digital conversion process, to obtain second digital signal corresponding with this first analogue signal；

It is overlapped this first digital signal and this second digital signal processing, to obtain the first superposed signal；

By this first superposed signal by this first communications interface transmission to aerial array.

Therefore, communication means according to embodiments of the present invention, it is applied to the communicator with the first communication standard, by the first analogue signal that the secondary communication device received transmits is converted to the second digital signal, the first digital signal that this communicator is generated and this second digital signal are overlapped processing, to obtain the first superposed signal, and by this first superposed signal transmission to aerial array, it is possible to realize this communicator with this first communication standard and share this aerial array with the secondary communication device with second communication standard.

This first communication device has the first communication interface communicated with this aerial array and the second communication interface communicated with this secondary communication device.

This first analogue signal can be baseband signal or radiofrequency signal.Preferably, this first analogue signal is radiofrequency signal, and now, this first analogue signal is carried out analog-to-digital conversion process and includes by this: this first analogue signal is carried out Frequency mixing processing, to obtain intermediate-freuqncy signal；This intermediate-freuqncy signal is converted to this second digital signal.

Alternatively, before this second digital signal and this first digital signal are overlapped processing by this, the method also includes:

Receive feedback signal, wherein, second superposed signal is carried out process and obtains by this feedback signal, and this second superposed signal is by being overlapped processing acquisition to the 3rd digital signal corresponding to the second analogue signal of the 3rd digital signal generated and the transmission of this secondary communication device.

Now, this second digital signal and this first digital signal are overlapped processing by this, to obtain the first superposed signal, including:

It is overlapped this first digital signal and this second digital signal processing, to obtain initial superposed signal；

According to this feedback signal, this initial superposed signal is optimized process, to obtain this first superposed signal.

This optimization process can include DPD process, but the embodiment of the present invention is not limited to this.So, by the initial superposed signal obtained by this first digital signal and this second digital signal being optimized process according to feedback signal, it is thus achieved that this first superposed signal, it is possible to increase the signal quality of this first superposed signal, thus improving systematic function.

Alternatively, as another embodiment, this by this first superposed signal by this first communications interface transmission to before aerial array, the method also includes:

This first superposed signal is carried out digital-to-analogue conversion process, to obtain threeth analogue signal corresponding with this first superposed signal；

3rd analogue signal is optimized process, to obtain the 3rd analogue signal after optimization process.

Now, this first superposed signal is passed through this first communications interface transmission to aerial array by this, including:

By the 3rd analogue signal after this optimization process by this first communications interface transmission to aerial array.

Wherein, this optimization process can include one or more in Filtering Processing, power amplification process, Amplitude amplification process and Frequency mixing processing, and this is not limited by the embodiment of the present invention.

Alternatively, as another embodiment, before this first analogue signal is carried out analog-to-digital conversion process by this, the method also includes:

It is amplified this first analogue signal processing, to obtain this first analogue signal after this processing and amplifying；

This first analogue signal after this processing and amplifying is carried out Frequency mixing processing, to obtain this first analogue signal after Frequency mixing processing.

Now, this first analogue signal is carried out analog-to-digital conversion process by this, including: this first analogue signal after this Frequency mixing processing is carried out analog-to-digital conversion process, to obtain this second digital signal.

This communication means can be performed by the communicator 200 in above-described embodiment, and each flow process of this communication means specifically can be realized by the module in the communicator of above-described embodiment, for sake of simplicity, repeat no more here.

Should be understood that in embodiments of the present invention, term and/or only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression.Such as, A and/or B, it is possible to represent: individualism A, there is A and B, individualism B these three situation simultaneously.It addition, herein character/, typically represent forward-backward correlation to as if a kind of or relation.

Those of ordinary skill in the art it can be appreciated that, in conjunction with the various method steps described in the embodiments described herein and unit, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate the interchangeability of hardware and software, generally describe step and the composition of each embodiment in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those of ordinary skill in the art specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.

Those skilled in the art is it can be understood that arrive, for convenience of description and succinctly, and the specific works process of the system of foregoing description, device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way.Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.It addition, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is also possible to be electric, machinery or other form connect.

The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of embodiment of the present invention scheme.

It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to be that two or more unit are integrated in a unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, it would however also be possible to employ the form of SFU software functional unit realizes.

If described integrated unit is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words, or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (Read-OnlyMemory, ROM), the various media that can store program code such as random access memory (RandomAccessMemory, RAM), magnetic disc or CD.

The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; can readily occurring in amendment or the replacement of various equivalence, these amendments or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.

Claims

1. a communicator, described communicator has the first communication standard, it is characterised in that described communicator includes:

Base Band Unit, radio frequency unit, the first communication interface and second communication interface, described radio frequency unit is communicated by described first communication interface and aerial array, and communicated by described second communication interface and secondary communication device, wherein, described secondary communication device has the second communication standard being different from described first communication standard；

Described Base Band Unit is used for generating the first signal, and by described first signal transmission to described radio frequency unit；

Described radio frequency unit is for receiving described first signal of described Base Band Unit transmission, by the secondary signal that secondary communication device described in described second communication interface sends, and it is overlapped described first signal and described secondary signal processing to obtain superposed signal；

Described radio frequency unit is additionally operable to described superposed signal transmission to described aerial array by described first communication interface.

2. communicator according to claim 1, it is characterised in that described radio frequency unit is additionally operable to:

The 3rd signal of described aerial array transmission is received by described first communication interface；

Described 3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal；

By described first tributary signal transmission to described Base Band Unit, and by described second communication interface by described second tributary signal transmission to described secondary communication device.

3. communicator according to claim 1 and 2, it is characterised in that described radio frequency unit includes: the first amplifier, the first frequency mixer, analog-digital converter and digital signal processor, wherein,

Described first amplifier is connected with described second communication interface, described secondary signal for described second communication interface is transmitted is amplified processing, it is amplified the described secondary signal after process, and the described secondary signal after described processing and amplifying is transmitted to described first frequency mixer；

Described first frequency mixer is used for the described secondary signal received after the described processing and amplifying of described first amplifier transfer, described secondary signal after described processing and amplifying is carried out Frequency mixing processing, obtain mixed frequency signal, and by described mixed frequency signal transmission to described analog-digital converter；

Described mixed frequency signal, for receiving the described mixed frequency signal of described first frequency mixer transmission, is converted to digital signal by described analog-digital converter, and by described digital data transmission to described digital signal processor；

Described digital signal processor is for receiving the described digital signal of described analog-digital converter transmission, and is overlapped processing by described digital signal and described first signal, to obtain described superposed signal.

4. communicator according to claim 3, it is characterised in that described radio frequency unit also includes:

First wave filter, it is connected with described first amplifier and described second communication interface respectively, described secondary signal for described second communication interface is transmitted is filtered processing, obtain the described secondary signal after Filtering Processing, and the described secondary signal after described Filtering Processing is transmitted to described first amplifier；

Described first amplifier is specifically for receiving the described secondary signal after the described Filtering Processing of described first filter transfer, and is amplified the described secondary signal after described Filtering Processing processing, and obtains the described secondary signal after described processing and amplifying.

5. communicator according to claim 4, it is characterised in that described radio frequency unit also includes:

First attenuator, it is connected with described first wave filter and described first amplifier respectively, for receiving the described secondary signal after the described Filtering Processing of described first filter transfer, reduce the power of the described secondary signal after described Filtering Processing, obtain the described secondary signal after power reduces, and by the described secondary signal transmission after the reduction of described power to described first amplifier；

Described secondary signal after the described power reduction that described first amplifier transmits specifically for receiving described first attenuator, and be amplified processing to the described secondary signal after the reduction of described power, obtain the described secondary signal after described processing and amplifying.

6. the communicator according to any one of claim 3 to 5, it is characterised in that described radio frequency unit also includes: digital to analog converter, the second frequency mixer, the second amplifier and the second wave filter, wherein,

Described superposed signal, for receiving the described superposed signal of described digital signal processor transmission, is converted to analogue signal by described digital to analog converter, and by described analogue signal transmission to described second frequency mixer；

Described analogue signal, for receiving the described analogue signal of described digital to analog converter transmission, is carried out Frequency mixing processing by described second frequency mixer, obtains high-frequency signal, and by described high frequency signal transmission to described second amplifier；

Described second amplifier is for receiving the described high-frequency signal of described second frequency mixer transmission, it is amplified described high-frequency signal processing, it is amplified the described high-frequency signal after process, and by the described high frequency signal transmission after described processing and amplifying to described second wave filter；

Described second wave filter is used for the described high-frequency signal received after the described processing and amplifying of described second amplifier transfer, it is filtered the described high-frequency signal after described processing and amplifying processing, obtain the described high-frequency signal after Filtering Processing, and by described first communication interface by the described high frequency signal transmission after described Filtering Processing to described aerial array.

7. communicator according to any one of claim 1 to 6, it is characterised in that described secondary signal is radiofrequency signal.

8. the communicator according to any one of claim 3 to 7, it is characterised in that described radio frequency unit also includes: the 3rd wave filter, the 3rd amplifier and shunt, wherein,

Described 3rd wave filter is connected with described first communication interface, for receiving the described aerial array described 3rd signal by described first communications interface transmission, it is filtered described 3rd signal processing, obtain described 3rd signal after Filtering Processing, and by the described 3rd signal transmission after described Filtering Processing to described 3rd amplifier；

Described 3rd amplifier is used for the 3rd signal received after the described Filtering Processing of described 3rd filter transfer, it is amplified described 3rd signal after described Filtering Processing processing, it is amplified described 3rd signal after process, and by the described 3rd signal transmission after described processing and amplifying to described shunt；

Described shunt is used for described 3rd signal received after the described processing and amplifying of described 3rd amplifier transfer, is described first tributary signal and described second tributary signal by described 3rd Signal separator after described processing and amplifying；

Described shunt is additionally operable to described first tributary signal transmission to described Base Band Unit, and by described second communication interface by described second tributary signal transmission to described secondary communication device.

9. communicator according to claim 8, it is characterised in that described first wave filter is duplexer filter, and described first wave filter is connected with described shunt；

Described first wave filter is additionally operable to receive described second tributary signal of described shunt transmission, it is filtered described second tributary signal processing, obtain described second tributary signal after Filtering Processing, and by described second communication interface by the described second tributary signal transmission after described Filtering Processing to described secondary communication device.

10. communicator according to any one of claim 1 to 9, it is characterised in that described first communication standard is Long Term Evolution LTE, described second communication standard is CDMA CDMA.

11. a communicator, described communicator has the first communication standard, it is characterised in that described communicator includes:

Described radio frequency unit for receiving the 3rd signal of described aerial array transmission by described first communication interface, and described 3rd signal is carried out branch process, to obtain the first tributary signal and the second tributary signal；

Described radio frequency unit is additionally operable to described first tributary signal transmission to described Base Band Unit, and by described second tributary signal by described second communication interface transmission to described secondary communication device.

12. communicator according to claim 11, it is characterised in that described radio frequency unit includes: wave filter, amplifier and shunt, wherein,

Described wave filter is connected with described first antenna interface, for by described 3rd signal of aerial array transmission described in described first antenna interface, it is filtered described 3rd signal processing, to obtain described 3rd signal after Filtering Processing, and by the described 3rd signal transmission after described Filtering Processing to described amplifier；

Described amplifier is used for described 3rd signal received after the described Filtering Processing of described filter transfer, it is amplified described 3rd signal after described Filtering Processing processing, to obtain described 3rd signal after processing and amplifying, and by the described 3rd signal transmission after described processing and amplifying to described shunt；

Described shunt is used for described 3rd signal received after the described processing and amplifying of described amplifier transfer, described 3rd signal after described processing and amplifying is carried out branch process, to obtain the first tributary signal and the second tributary signal, and by described first tributary signal transmission to described Base Band Unit, and by described second tributary signal by described second communication interface transmission to described secondary communication device.

13. a communication system, it is characterized in that, including: first communication device, secondary communication device and aerial array, described first communication device has the first communication standard, described secondary communication device has the second communication standard being different from described first communication standard, has the first communication interface, and have second communication interface between described first communication device and described secondary communication device between described first communication device and described aerial array, wherein

Described first communication device is used for generating the first signal；

Described secondary communication device is used for generating secondary signal, and sends described secondary signal by described second communication interface to described first communication device；

Described first communication device is additionally operable to the described secondary signal sent by secondary communication device described in described second communication interface, it is overlapped described first signal and described secondary signal processing to obtain superposed signal, and sends described superposed signal by described first communication interface to described aerial array.

14. communication system according to claim 13, it is characterised in that described aerial array is additionally operable to receive the 3rd signal, and by described first communication interface by described 3rd signal transmission to described first communication device；

Described first communication device is additionally operable to be received the 3rd signal of described aerial array transmission by described first communication interface, described 3rd signal carries out branch process to obtain the first tributary signal and the second tributary signal, and by described second communication interface by described second tributary signal transmission to described secondary communication device；

Described secondary communication device is additionally operable to by described second tributary signal of first communication device transmission described in described second communication interface.

15. the communication system according to claim 13 or 14, it is characterized in that, described first communication device includes: the first Base Band Unit, the first radio frequency unit, described first communication interface and described second communication interface, wherein, described first radio frequency unit is connected with described first Base Band Unit, described first communication interface and described second communication interface respectively.

16. communication system according to claim 15, it is characterised in that described first radio frequency unit includes: the first amplifier, the first frequency mixer, analog-digital converter and digital signal processor, wherein,

Described first amplifier is connected with described second communication interface, for by secondary signal described in described second communication interface, it is amplified described secondary signal processing, it is amplified the described secondary signal after process, and the described secondary signal after described processing and amplifying is transmitted to described first frequency mixer；

Described digital signal processor is connected with described analog-digital converter and described first communication interface respectively, for receiving the described digital signal of described analog-digital converter transmission, it is overlapped processing by described digital signal and described first signal, to obtain superposed signal, and by described superposed signal by described first communications interface transmission to described aerial array.

17. the communication system according to any one of claim 13 to 16, it is characterized in that, described secondary communication device includes: the second Base Band Unit, the second radio frequency unit and described second communication interface, wherein said second radio frequency unit is connected with described second Base Band Unit and described second communication interface respectively.

18. the communication system according to any one of claim 13 to 17, it is characterised in that described first communication standard is Long Term Evolution LTE, described second communication standard is CDMA CDMA.