CN102595650A

CN102595650A - Transmission method of built-in modem of base station and base station as well as communication system

Info

Publication number: CN102595650A
Application number: CN2012100055630A
Authority: CN
Inventors: 罗静
Original assignee: Shanghai Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd; Shanghai Huawei Technologies Co Ltd
Priority date: 2008-09-18
Filing date: 2008-09-18
Publication date: 2012-07-18
Anticipated expiration: 2028-09-18
Also published as: CN102595650B; CN101370193B; CN101370193A

Abstract

The embodiment of the invention provides a data modulation method and data demodulation method of a built-in modem of a base station and the base station as well as a communication system. The data modulation method comprises the following steps: the built-in modem of the base station is used for configuring an ATM (Asynchronous Transfer Mode) layer and a DSL (Digital Subscriber Line) layer according to received configuration management information; and data is subjected to the processing of the ATM layer and the DSL layer according to configured results. According to the embodiment of the invention, the Modem is internally arranged in the base station; and a base station management platform is used for participating in the configuration management of the Modem so that the remote management problem of the Modem is solved; the Modem can be synchronous with a clock of the base station in terms of information without needing an external clock line; the Modem based on a SOM (System On Chip) is internally arranged in the base station so that electricity can be very easily obtained from the interior of the base station, and the requirement of sites for power supply is simplified; and a Modem module is used as a functional module of the base station product.

Description

A kind of transmission method of modem embedded in base station, base station and communication system

Technical field

The present invention relates to communication technical field, relate in particular to transmission method, base station and the communication system of a kind of modem embedded in base station Modem.

Background technology

Fast development along with wireless broadband business; The wireless transmission bearer network of internet protocol-based IP (Internet Protocol) transmission mode is more and more universal; The base station is linked in the IP bearer network; Can realize through various broadband access technologys; Wherein digital subscriber line DSL (Digital Subscriber Line) last kilometer fixed wide band inserting technology is very suitable for the IP access of indoor base station sending and receiving stations BTS (Base Transceiver Station is called for short the base station) equipment owing to the low and easy acquired character of cost.The Ethernet interface that the base station provides through DSL realizes and being connected of BSC that implementation is at the BTS sidepiece DSL of administration terminal equipment at present, and like DSL modulator-demodulator Modem, BTS realizes the DSL access as a main frame.

At present; Prior art adopts the scheme of base station through external DSL Modem access IP bearer network, referring to Fig. 1, is as a main process equipment with the base station; Place a DSL Modem in base station side; The base station provides the standard ethernet interface to be connected with the Ethernet interface of DSL Modem, and DSL modem provides transparent Ethernet transfer function, and the base station just can be inserted in the IP bearer network like this; Be shown in the following figure, can carrying out end to end between base station and the base station controller BSC (Base Station Controller), IP communicates by letter.

It is poor reliability that there is maximum shortcoming in the solution of the external DSL Modem of base station side, and external Modem generally is the end product towards individual domestic consumer, and under the restriction to Price Sensitive, family expenses Modem can't satisfy the technical grade reliability requirement.

Simultaneously, the prior art scheme also exists clock problem, power taking problem and DSL Modem configuration management problem.The base station is connected with DSL Modem through Fast Ethernet FE interface; Need obtain the base station clock synchronizing information; Clock synchronization solution based on the IP bag does not also begin commercialization at present, can only or draw the special clock line to obtain through external global position system GPS, has increased networking cost; Individual family expenses external DSLModem generally is the domestic electronic appliances way to take power, when being applied in the website of base station, problem is all arranged at reliability and electric power resource aspect obtaining; The external DSL Modem of individual's family expenses configuration management generally only provides local configuration management interface; The monitor for faults of DSL Modem management when it come to must be operated to the DSLModem scene in person; Very inconvenient during at same website with base station deployment, the configuration management cost is higher.

Summary of the invention

The embodiment of the invention provides transmission method, base station and the communication system of a kind of embedded in base station Modem, solved Modem in the prior art external with the base station in the reliability, power taking, clock and the configuration management problem that exist.

The embodiment of the invention provides a kind of method of data processing of modem embedded in base station, comprising:

Embedded in base station Modem disposes asynchronous transfer mode ATM layer and digital subscriber line DSL layer according to the configuration management information that receives;

Result according to configuration carries out the processing of ATM layer and DSL layer to data.

The embodiment of the invention also provides a kind of method of data processing of modem embedded in base station, comprising:

According to receiving from the DSL layer configuration of the configuration management information of modem embedded in base station Modem digital subscriber line DSL layer to said embedded in base station Modem;

Said embedded in base station Modem carries out the processing of DSL layer according to the result of configuration to data.

The embodiment of the invention also provides a kind of base station, comprising:

Dispensing unit is used for according to the configuration of the configuration management information that receives to asynchronous transfer mode ATM layer and digital subscriber line DSL layer;

Data processing unit is used for data being carried out the processing of ATM layer and DSL layer according to the result of configuration.

Configuration data unit is used for according to receiving from the DSL layer configuration to said embedded in base station Modem of the configuration management information of modem embedded in base station Modem digital subscriber line DSL layer;

Second data processing unit is used for data being carried out the processing of DSL layer according to the result of configuration.

DSL layer modulating unit is used for according to the configuration management information that presets the ATM CELL that produces in the ATM layer encapsulation unit being carried out the modulation treatment on the DSL layer;

ATM layer encapsulation unit is used for the configuration management information that presets according to said, and mac frame is carried out the encapsulation on the ATM layer;

DSL layer demodulating unit is used for the configuration management information that presets according to said, and the analog signal that receives is carried out the demodulation process on the DSL layer, forms ATM CELL;

ATM layer decapsulation unit is used for the configuration management information that presets according to said, DSL layer demodulating unit handled the ATM CELL that the back forms carry out the decapsulation on the ATM layer, forms mac frame.

The embodiment of the invention also provides a kind of communication system, comprising: base station and base station controller, wherein,

Said base station is used for according to the configuration management information that presets data to be sent being carried out the encapsulation on the ATM layer, forms ATM cell, and the modulation treatment formation analog signal that said ATM cell is carried out on the DSL layer sends to base station controller,

Perhaps, the analog signal that the base station controller that receives sends is carried out the demodulation process on the DSL layer, form ATM cell, said ATM cell is carried out the decapsulation on the ATM layer, form mac frame according to the configuration management information that presets;

Said base station controller is used to receive the said analog signal that send the base station, perhaps is used to send analog signal and gives the base station.

The embodiment of the invention is through being built into Modem in the base station, and the configuration management that is participated in Modem by the BTS management platform has solved Modem telemanagement problem; Not need through the external clock line just can with the base station clock information synchronization; Embedded in base station can be very easy to power taking from inside of base station based on the Modem of SOC, has simplified the website power demands; The Modem module is as a functional module of base station product.

Description of drawings

Fig. 1 inserts the sketch map of IP bearer network for prior art adopts the base station through external DSL Modem;

A kind of embedded in base station Modem that Fig. 2 provides for the embodiment of the invention is to the overview flow chart of data modulator approach;

The another kind of embedded in base station Modem that Fig. 3 provides for the embodiment of the invention is to the overview flow chart of data modulator approach;

A kind of embedded in base station Modem that Fig. 4 provides for the embodiment of the invention one is to data modulator approach flow chart;

Fig. 5 is the logical architecture figure of the handling process of the configuration management stream that base station butt joint As-received station administration platform sends in the inventive embodiments one;

Fig. 6 is another logical architecture figure of the handling process of the configuration management stream that base station butt joint As-received station administration platform sends in the inventive embodiments one;

Fig. 7 is the logical framework of the base station transmission system of the built-in Modem in the inventive embodiments one;

A kind of embedded in base station Modem that Fig. 8 provides for the embodiment of the invention two is to data demodulation method flow chart;

A kind of embedded in base station Modem that Fig. 9 provides for the embodiment of the invention three is to data modulator approach flow chart;

Figure 10 be the transport module of base station in the embodiment of the invention three, embedded Modem module with and the interface sketch map;

Figure 11 is the transport module of base station in the embodiment of the invention three and the Organization Chart of embedded Modem module;

A kind of embedded in base station Modem that Figure 12 provides for the embodiment of the invention four is to data demodulation method flow chart;

The logical block figure of a kind of base station that Figure 13 provides for the embodiment of the invention seven;

The logical block figure of a kind of base station that Figure 14 provides for the embodiment of the invention eight;

The logical block figure of a kind of base station that Figure 15 provides for the embodiment of the invention nine;

The logical block figure of a kind of base station that Figure 16 provides for the embodiment of the invention ten;

The composition diagram of a kind of communication system that Figure 17 provides for the embodiment of the invention 11.

Embodiment

The embodiment of the invention adopts embedded digital subscriber line modems (DSL Modem) to the base station; With the functional module of DSL Modem, thereby reduced integrity problem, power taking problem, clock problem and the Modem configuration management problem that external DSL Modem exists as the base station.

At first, the method for the data processing of a kind of modem embedded in base station that the embodiment of the invention is provided of summary is done explanation, referring to shown in Figure 2, comprising:

Step a1: embedded in base station Modem disposes asynchronous transfer mode ATM layer and digital subscriber line DSL layer according to the configuration management information that receives;

Step a2: the result according to configuration carries out the processing of ATM layer and DSL layer to data.

The embodiment of the invention also provides a kind of method of data processing of modem embedded in base station, referring to shown in Figure 3, comprising:

Step b1: according to receiving from the DSL layer configuration of the configuration management information of modem embedded in base station Modem digital subscriber line DSL layer to said embedded in base station Modem;

Step b2: said embedded in base station Modem carries out the processing of DSL layer according to the result of configuration to data.

More than two kinds of methods be respectively the Modem functional module in the base station physically to be realized by SOC(system on a chip) SOC (System On Chip) and embedded chip.

The description of summarizing through the method for the above data processing that the embodiment of the invention is provided a kind of modem embedded in base station; Because external Modem is built in the base station; Other functional module is with physically by the Modem module time of SOC(system on a chip) SOC (System On Chip) or embedded chip the modulation of data being handled in the base station; Make that Modem module reliability in the base station is high, power taking easily, more convenient to the configuration management of Modem, and the clock on the Modem module can with the clock synchronization of base station.

Down in the face of combining the specific embodiment embodiment of the invention to elaborate.

Embodiment one, a kind of embedded in base station Modem are to the data modulator approach, and this method is the technical scheme that the SOC that will have the Modem function is built in the base station, referring to Fig. 4, comprising:

Built-in Modem based on SOC accomplishes the administration configuration to self in step F 1, the base station, and described configuration management can comprise: embedded in base station Modem is to the configuration management of modulating data with to the configuration management of demodulating data.

In the embodiment of the invention one under the situation of embedded in base station based on the Modem of SOC; Central processor CPU on the SOC of inside of base station (Central Processing Unit) is communicated by letter with the BTS management platform; Realize that the BTS management platform is to the configuration management of inside of base station based on the Modem of SOC; Referring to shown in Figure 5, specifically comprise: the BTS management platform sends the CPU of managing configuration information to the SOC, is used for the Modem in the base station is done configuration management; Wherein, the configuration management command of BTS management platform transmission is carried on operation management maintain OAM (the Operation Administration and Maintenance) stream.The adaptive SOC of converting into of OAM stream that the BTS management platform of receiving is sent in the base station goes up HTTP Http (Hypertext Transfer Protocol) stream, Simple Network Management Protocol Snmp (Simple network management protocol) stream or the common language fabric CLI stream that CPU can discern; In like manner; Modem in the base station on the SOC sends to the order that is carried on Http stream, Snmp stream or CLI stream of BTS management platform; Also need be through the adaptive OAM stream that converts the identification of BTS management platform into of inside of base station; Usually, the information that the Modem on the SOC sends to the BTS management platform in the described base station can be the information of report embedded in base station Modem state.

The signaling flow that CPU on the adaptive SOC of converting into of OAM stream that the above-mentioned BTS management platform mentioned sends can discern can be employed in and increase by a functional module in the existing base station and accomplish the adaptive management function to OAM stream; In Fig. 5, a functional module of described increase is a DSL management adaptation module.

The above is wherein a kind of to the method for embedded in base station based on the configuration management of the Modem on the SOC.To the configuration management of embedded in base station based on the Modem on the SOC; Other method can also be arranged; Referring to shown in Figure 6; The OAM stream of the configuration management information that the BTS management platform that is about to receive sends is adaptive in the base station to convert a kind of self-defining configuration management stream to, and this self-defined stream can be carried on the MAC stream, and the base station sends to this self-defined stream the SOC of realization Modem function in the base station; Embedded in base station is based on the Modem of SOC, converts Http stream, Snmp stream or the CLI stream that SOC can discern into this self-defined stream is adaptive.Adopt this method that built-in Modem in the base station is done configuration management, efficient is higher to the efficient that built-in Modem in the base station does configuration management than last method.Wherein, described OAM stream can be inter-process (IPC:Inner Process Communication) stream, and described self-defined stream also can be IPC stream.Two kinds of methods can both be accomplished the configuration management of embedded in base station being gone up Modem based on SOC.

For the ease of understanding; Need to prove here; To embedded in base station based on SOC in the configuration management of Modem; Compare with the configuration management of external Modem, embedded in base station is simple relatively based on the configuration management that SOC goes up Modem, and this configuration management can be the configuration management of accomplishing asynchronous transfer mode ATM (Asynchronous Transfer Mode) bridge joint or IP bridge joint about embedded in base station based on the Modem on the SOC; Promptly, in ATM bridged appearances of setting up or IP bridged appearances, data are handled at ATM layer and DSL layer according to this configuration management.And therefore the configuration management of external Modem need do relevant configuration management to the IP layer except will also accomplishing the function about the routing forwarding data usually about accomplishing the above-described function on to the configuration management of external Modem.And the embedded in base station in the embodiment of the invention is simple relatively based on the configuration management of the Modem on the SOC.

In fact, the BTS management platform can be the wherein a kind of configuration management in the base station configuration management to the configuration management of embedded in base station Modem, also comprises the various configurations management in the base station, does not give an example one by one here.

Step F 2, base station be according to the result of the Modem that produces in the step F 1 to the configuration management of data modulation, data to be sent in the base station done on the ATM layer encapsulating.

Wherein, Said data to be sent can be standard MAC stream; The said processing that data to be sent in the base station are done on the ATM layer can comprise: the encapsulation on the ATM Adaptation Layer AAL type 5 is carried out in standard MAC is flowed based on the Modem on the SOC in the base station; Be that embedded in base station will receive standard MAC stream according to COS based on the Modem on the SOC; That is: the AAL type 5, create protocol data parts, and the protocol data parts segmentation reorganization SAR (Segmentation And Ressembly) that creates is converted into ATM cell CELL.

Step F 3, base station are according to the result of the Modem that produces in the step F 1 to the configuration management of data modulation; The ATM CELL that carries out in the step F 2 producing after the ATM layer is handled is carried out modulation treatment on the DSL layer, and the signal that meeting after the modulation treatment on the DSL layer transmitted on IP network sends to base station controller BSC.

Before the above-mentioned steps F1 base station will transfer of data to be sent in the base station based on the Modem on the SOC time; Can between transport module and Modem module, increase by a forwarding plane interface and accomplish transmission; The Business Stream of this forwarding plane interface bearing is the MAC stream of standard; Physically can increase an Ethernet on the interface conversion device completion Modem module to the inside of base station interface conversion; Transport module is used as the transmitting-receiving that a two-layer switching equipment Ethernet interface is accomplished Business Stream to this interface, and the logical framework of the base station transmission system of its built-in Modem can be as shown in Figure 7.Wherein, the data flow transmitted between transport module and the SOC chip is an Ethernet stream, i.e. MAC stream.

Wherein, the processing on the DSL layer described in the step F 3 can comprise usually: carrying out scrambling, encode, interweave, modulate, put in order and involve the D/A conversion, is that analog signal is transmitted on IP network with conversion of signals.The processing of doing on the DSL layer is can become the analog signal of on telephone line, transmitting for the data that satisfy the base station generation.This method is similar with prior art.

Through the explanation of above step, can realize the modulation of embedded in base station Modem to data, send the data to base station controller.In fact, base station controller also can send data to the base station, and the base station receives the analog signal that base station controller sends, and embedded in base station according to the configuration management information that produces in the step F 1, is done demodulation to the data that receive based on the Modem on the SOC.Embedded in base station based on the Modem on the SOC to the data that the receive process of doing demodulation and the process of doing modulation to sent data be two be independent of each other, process independently.Below in conjunction with the embodiment of the invention two, embedded in base station is done explanation based on the Modem on the SOC to the demodulation of data.

Embodiment two, a kind of embedded in base station Modem are to the data demodulation method, and this method also belongs to the technical scheme that the SOC with Modem function is built in the base station, referring to Fig. 8, comprising:

The Modem based on SOC built-in in step R1, the base station accomplishes the administration configuration to self.

Wherein, usually the Modem of embedded in base station is to carry out simultaneously to the configuration management of modulating data with to the configuration management of demodulating data being configured management.Therefore, can think that this step is identical with step F 1 among the embodiment one.Can go up the configuring management method of Modem with reference to embedded in base station in the step F 1 based on SOC.

Receive the analog signal that BSC sends based on the Modem on the SOC in step R2, the base station, the result according to the configuration management of demodulating data obtains does the demodulation process on the DSL layer with said analog signal, forms ATM CELL then.

The result who obtains according to the configuration management of demodulating data based on the Modem on the SOC in step R3, the base station converts ATM CELL into MAC stream, and the decapsulation of promptly ATM CELL being done on the ATM layer is handled.

Wherein, step R1 has accomplished embedded in base station based on the demodulation process process of the Modem on the SOC to data to step R3.

The method that is provided by embodiment one, two can draw: in fact; Embedded in base station to sent data or to the modulation of the analog signal that receives or the method for demodulation, is similar with external Modem in the prior art to sent data or to the modulation of the analog signal that receives or the method for demodulation based on the Modem on the SOC.Different is that embedded in base station is different based on the configuring management method of the Modem on the SOC.Modem can not accomplish the configuration management to self modulating data and demodulating data by any extraneous factor in the prior art; And the configuration management based on the Modem on the SOC of the embedded in base station in the embodiment of the invention one, two need be sent configuration management command by the BTS management platform; Embedded in base station accomplish configuration management based on the Modem on the SOC according to receiving configuration management command to self, can think that also the configuration management based on Modem on the SOC is wherein a kind of configuration management of numerous configuration managements in the base station in the base station.

Adopt the embodiment of the invention one to provide; A kind of embedded in base station DSL Modem is to the data modulator approach; Provide with the embodiment of the invention two; A kind of embedded in base station DSL Modem is to the data demodulation method, can realize that embedded in base station accomplishes to the modulation treatment of data to be sent with to receiving the demodulation process of data based on the Modem on the SOC.Adopt the embodiment of the invention one or two beneficial effect to be:

At first, the clock information that can obtain the base station through the coffret circuit on the SOC keeps and the base station clock information synchronization, and, with external Modem through external GPS or draw the special clock line to obtain clock information and compare, reduced the networking cost;

Secondly, embedded in base station can be very easy to power taking from inside of base station based on the Modem of SOC, has simplified the website power demands;

Once more, built-in Modem can satisfy the carrier level reliability requirement, satisfies base station product reliability index;

At last, embedded in base station is dissolved in the BTS management platform as the part of base station based on the management and monitoring of the Modem on the SOC, has solved Modem telemanagement problem, has reduced the configuration management cost.

The method that the above embodiment of the invention one, two provides all is that built-in Modem is realized by SOC in the base station, below the method that provides of the embodiment of the invention three, four all be that embedded in base station Modem is realized by embedded chip.

Embodiment three, a kind of embedded in base station Modem are to the modulator approach of data, and this method belongs to the technical scheme that the embedded chip with Modem function is built in the base station, referring to Fig. 9, comprising:

The Modem configuration management based on embedded chip of relevant embedded in base station is accomplished in step S1, base station.Described configuration management can comprise: the base station is to the configuration management of data modulation with to the configuration management of data demodulation.

Wherein, can not accomplish the configuration management of relevant Modem usually, so other module is accomplished built-in configuration management based on the Modem on the embedded chip with this embedded chip jointly in the base station owing to realize the embedded chip of Modem function.

Other modules in the base station can be for increasing the forwarding that a transport module is realized the data flow of configuration management transmission of Information and service layer in existing base station.Because embedded Modem module only provides the DSL transmission channel; Interface is ATM CELL stream between transport module and the Modem module; The configuration management of ATM and above each layer all has the CPU of transmission mode to accomplish, and the Modem module only need provide the configuration management information of DSL layer.Transport module, Modem module with and the interface sketch map shown in figure 10.Wherein the framework of transport module and embedded Modem module is shown in figure 11.

Wherein, To the configuration management information of embedded in base station based on the Modem of embedded chip; Comprise and access based on the Modem on the embedded chip DSP from embedded in base station that non-DSP produces configuration management information in the relevant DSL layer configuration management information that is stored on the DSP and the base station.The configuration management information that described non-DSP produces can be the configuration management information that comprises that relevant ATM layer is handled; Can also comprise initial data is encapsulated as the IP message; Again the IP message is encapsulated as the standard mac frame, again mac frame is encapsulated into all relevant configuration management information of ATMCELL.The configuration management information that described non-DSP produces can be, the configuration management information of accomplishing based on the hardware device of operating system in the base station and non-DSP that configuration management generated.The reason that inside of base station calls on the dsp chip the relevant configuration management information of Modem on the DSL layer is: DSP is last not to have operating system, can not realize according to the configuration management information on the DSL layer ATM CELL in the dsp chip that gets into being done the modulation treatment on the DSL layer.The operating system that configuration management informational needs on the relevant DSL layer of the last storage of DSP is carried on inside of base station plays a role.

The relevant configuration management content to the data modulation of built-in Modem can be similar in the embodiment of the invention three and the embodiment of the invention one; In the prior art of comparing to the configuration management of Modem; All reduce the configuration management item; As reduced relevant configuration on the IP layer, make built-in Modem not need the function of router etc.

Step S2, embedded in base station are put management information according to what produce among the step S1 to the data modulating ligand based on the Modem of embedded chip; ATM CELL to be sent in the base station is carried out the modulation treatment on the DSL layer, and the signal that meeting after the modulation treatment on the DSL layer transmitted on IP network sends to base station controller BSC.

Wherein, step F 3 is similar in step S2 and the embodiment of the invention one, described ATM CELL is carried out the processing on the DSL layer, can comprise usually to the ATM CELL that produces in the base station carry out scrambling, encode, interweave, modulate, the whole processing that involves the D/A conversion.Processing method on other DSL layer can also be arranged, do not give an example one by one here.

Should also be understood that the ATM CELL that inside of base station generates in step S2 can be by the transport module reception IP packet of base station,, then the IP packet is encapsulated and the ATM CELL of formation through MAC layer and ATM layer through searching IP route acquisition outlet information.

After the data of above-mentioned steps S2 are carried out the processing of DSL layer, can further include data are sent to BSC through AFE(analog front end) AFE processing back through the DSL interface.

Need to prove; A kind of embedded in base station Modem that the embodiment of the invention three provides is similar with the method that the embodiment of the invention one provides to the modulator approach of data; Difference only is; Can accomplish on the SOC in the base station to the relevant modulation treatment of data than many on the embedded chip to the processing of the relevant modulation of data, promptly to go up the function that realizes than embedded chip many for SOC.The function that can not realize on the embedded chip and can realize on the SOC can be to be accomplished by other part of inside of base station.

The embodiment of the invention four, kind embedded in base station Modem are to the data demodulation method, and this method also belongs to the technical scheme that the SOC with Modem function is built in the base station, referring to Figure 12, comprising:

Step Y1, similar with the step S1 among the embodiment three usually can accomplish in the base station to the configuration management of data modulation with to the configuration management of data demodulation simultaneously.

Step Y2, base station receive the analog signal that base station control station sends; Embedded in base station is based on the configuration management information of the Modem on the embedded chip according to the relevant data demodulation that produces among the step Y1; The analog signal that receives is done the demodulation process on the DSL layer, produce the standard A TM CELL that inside of base station can be discerned.

In above-mentioned steps, the demodulation process of the analog signal that receives being made the DSL layer can also comprise that the analog signal of DSL interface reception is carried out AFE to be handled before.Described AFE handles promptly the physical treatment to signal, promptly to transmitting or receiving that signal amplifies, filtration treatment.

It should also be understood that; After step Y2; Be that the base station carries out the analog signal that receives after the ATM CELL of processing formation on the DSL layer ATM CELL that forms to be done ATM layer, MAC layer and IP layer demodulation process, finally forming the base station can the recognition data content.The transport module that specifically can be the base station receives ATM Cell, issues MAC again after accomplishing the decapsulation of ATM SAR and AAL5 then, accomplishes the MAC decapsulation and packet is sent to correlation module after the IP route and handle through searching afterwards.

Adopt a kind of embedded in base station DSL Modem that a kind of embedded in base station DSL Modem that the embodiment of the invention three provides provides the modulator approach and the embodiment of the invention four of data demodulation method to data; Similar with the beneficial effect that adopts the embodiment of the invention one, two, can solve reliability, power taking, clock and configuration management problem.Specifically with reference to the beneficial effect of the embodiment of the invention one, two.Because embedded chip generally only provides the simple process of DSL layer and ATM layer, do not contain built-in CPU simultaneously, the software protocol stack is not provided, more be suitable for solution as embedded in base station DSL from integrated flexibility of software and hardware interface design aspect

Above literal is the description of method that the embodiment of the invention is provided, and the embodiment of the invention also provides a kind of base station.Be the explanation of base station that the embodiment of the invention is provided below.

Embodiment five, and a kind of base station comprises: dispensing unit and data processing unit.Wherein,

Embodiment six, a kind of base station comprise: the configuration data unit and second data processing unit.Wherein,

Second data processing unit is used for data being carried out the processing of DSL layer according to the result of configuration

Embodiment seven, a kind of base station referring to Figure 13, comprising: first configuration management element 101, DSL layer modulating unit 102, ATM layer encapsulation unit 103, DSL layer demodulating unit 104, ATM layer decapsulation unit 105.

Wherein, first dispensing unit 101 is used to receive the configuration management information that the BTS management platform sends, and accomplishes to the configuration management of data-modulated to be sent with to receiving the configuration management of data demodulates;

ATM layer encapsulation unit 103 is used for according to the configuration management information of first configuration management element 101 to data-modulated to be sent mac frame to be sent being encapsulated as ATM CELL, and ATM CELL is sent to DSL layer modulating unit 102;

DSL layer modulating unit 102; Be used for according to the configuration management information of first configuration management element 101 data-modulated to be sent; ATM CELL is done modulation treatment, comprise the carrying out scrambling, encode, interweave, modulate of ATM CELL order, wholely involve the processing that D/A changes.At last, in DSL layer modulating unit 102, produced and met the analog signal of on telephone line, transmitting;

DSL layer demodulating unit 104; Be used for according to first configuration management element 101 receiving the configuration management of data demodulates; The said data that receive are analog signal; Analog signal to receiving is done demodulation process, comprise can order to the analog signal that receives the processing that carry out modulus A/D conversion, demodulation, deinterleaving, decode and go to disturb.At last, in DSL layer demodulating unit 104, restore ATM CELL.

ATM layer decapsulation unit 105 is used for according to first configuration management element 101 receiving the configuration management of data demodulates, with the ATM CELL decapsulation that restores in the DSL layer demodulating unit 104, forms mac frame.

The base station that the embodiment of the invention seven provides also comprises: transmitting element 201 and receiving element 204, and wherein, transmitting element 201 is used for being sent in DSL layer modulating unit 102 and has produced and meet the analog signal of on telephone line, transmitting;

Said receiving element 204 is used to receive the analog signal that base station controller sends, and the analog signal that receives is sent to DSL layer demodulating unit 104, also is used to receive the configuration management information that base station manager sends.

The base station that the embodiment of the invention seven provides also comprises: MAC layer encapsulation unit 202, IP layer encapsulation unit 203, MAC layer decapsulation unit 204 and IP layer decapsulation unit 206.

Wherein, IP layer encapsulation unit 203 is used for according to the configuration management of first configuration management element 101 to data-modulated to be sent, is IP datagram with data encapsulation to be sent.

MAC layer encapsulation unit 202 is used for according to the configuration management of first configuration management element 101 to data-modulated to be sent, and the IP datagram that produces in the IP layer encapsulation unit 203 is encapsulated as mac frame, and said mac frame is sent to ATM layer encapsulation unit 103.

MAC layer decapsulation unit 204; Be used for according to first configuration management element 101 receiving the configuration management of data demodulates; With the mac frame decapsulation that produces in the ATM layer decapsulation unit 105, form the IP datagram literary composition, the IP datagram literary composition that forms is sent in the IP decapsulation unit 206.

IP decapsulation unit 206 is used for according to first configuration management element 101 IP datagram that produces in the MAC layer decapsulation unit 204 being descapsulated into the base station identifiable information to receiving the configuration management of data demodulates.

When data will be sent in the base station; At first, data to be sent are encapsulated at IP layer encapsulation unit 203, IP layer encapsulation unit 203 is according to the configuration management information in first configuration management element 101; Form IP datagram, IP datagram is sent to MAC layer encapsulation unit 202; MAC layer encapsulation unit 202 is encapsulated as mac frame with IP datagram and sends to ATM layer encapsulation unit 103 according to the configuration management information in first configuration management element 101; ATM layer encapsulation unit 103 encapsulates mac frame according to the configuration management information in first configuration management element 101 again, forms ATM CELL, and ATM CELL is sent to DSL layer modulating unit 102; DSL layer modulating unit 102 is according to the configuration management information in first configuration management element 101; ATM CELL is passed through scrambling, encodes, interweaves, modulates, puts in order the processing that involves the D/A conversion; At last, in DSL layer modulating unit 102, produced and met the analog signal of on telephone line, transmitting; Transmitting element 201 sends the analog signal that produces in the DSL layer modulating unit 102.Comprised the modulation treatment of base station in the above process to data to be sent.

When the base station receives the analog signal of base station controller transmission; Receiving element 204 in the base station, DSL layer demodulating unit 104, ATM layer decapsulation unit 105, MAC layer decapsulation unit 204,206 pairs of analog signals orders of IP layer decapsulation unit carry out the processing in above each unit; The process of handling is with opposite to the modulation treatment of data to be sent; Can infer easily, and be to realize easily.

Need to prove that a kind of base station that the embodiment of the invention seven provides also comprises the functional unit that other realizes base station functions except having above functional unit.Can be similar with prior art, can be with reference to prior art.

A kind of base station that the embodiment of the invention seven provides, this base station has the function of modulator-demodulator, and increases a network element when noting be used in networking, does not promptly adopt external Modem, brings beneficial effect following:

At first; This base station has the function of modulation; Realize that the physical transfer interface circuit of said modulation function obtains the clock information maintenance and base station clock information synchronization of base station; And, with external Modem through external GPS or draw the special clock line to obtain clock information and compare, reduced the networking cost;

Secondly, in the base station, realize the physical entity of said modulation function, can be very easy to power taking, simplified the website power demands from inside of base station;

At last, the management and monitoring to the physical entity of said modulation function in the base station is dissolved in the BTS management platform as the part of base station, has solved Modem telemanagement problem, has reduced the configuration management cost.

Embodiment eight, a kind of base station, this inside of base station are based on SOC and accomplish the Modem function, referring to Figure 14, comprising: the module of other function is accomplished in SOC chip 30, adaptation unit 40 and base station.Wherein, described SOC also comprises: second configuration management element 31, the 2nd ATM layer encapsulation unit 32, the 2nd DSL layer modulating unit 33, the 2nd DSL layer modulating unit 34 and the 2nd ATM layer encapsulation unit 35.In fact, the embodiment of the invention six is similar with the embodiment of the invention five, and different is the function that on stipulating by the SOC chip in the physics realization, realizes comprising above-described unit in the embodiment of the invention six.

Owing to can not accomplish configuration management separately to Modem based on second configuration management element 30 among the Modem of SOC, the common completion of need communicating by letter with the BTS management platform to the configuration management of data-modulated to be sent with to the configuration management of the demodulation that receives data.Below in conjunction with concrete application scenarios this device is further specified.

The BTS management platform sends to the base station configuration administration order; Because the configuration management information that the BTS management platform sends is to be carried on the OAM stream; Embedded in base station can not flow by this OAM of Direct Recognition based on second configuration management element 31 on the SOC; Therefore, the OAM stream that adaptation unit 40 is sent the BTS management platform in the base station is done adaptive Http, Snmp stream or the CLI stream that can discern based on second configuration management element 31 on the SOC that converts into.Adaptation unit 40 sends to last second configuration management element 31 based on SOC with the adaptive Http stream that is converted into, Snmp stream or CLI stream; Wherein, The process of the information of the operating state of the relevant Modem of second configuration management element, 31 transmissions in the base station; Be that the configuration management information of sending with the BTS management platform is opposite to the process of second configuration management element 31, release easily, second configuration management element 31 send be carried on the relevant Modem operating state on Http stream, Snmp stream or the CLI stream information to adaptation unit 40; Adaptation unit 40 receives the configuration management information of replying on the said Http of being carried on stream, Snmp stream or the CLI stream; With the adaptive OAM stream that converts into of Http stream, Snmp stream or CLI stream, just changed the form of stream, the information content of the relevant Modem operating state of wherein carrying is constant; Adaptation unit 40 sends to the BTS management platform with the information that is carried on the relevant Modem operating state on the OAM stream after changing.

Above inside of base station unit module has been accomplished the description to the configuration management of Modem, and therefore, each unit can be realized according to the configuration management information of being accomplished that configuration management generated to Modem the modulation treatment and the demodulation process of data in the base station.The similar process of describing among detailed process and the embodiment seven can be referring to describing among the embodiment seven.

The embodiment of the invention also provides a kind of base station, and this base station is similar with the base station that the embodiment of the invention eight provides, and this base station also is built-in with based on SOC and goes up realization Modem function; This base station is with the different of base station that the embodiment of the invention six provides: the SOC that accomplishes the Modem function also provides the adaptive translation function to the self-defined stream that carries configuration management information; Make that the efficient of transmission bearer configuration management information is high, base station system is simpler.Elaborate in the face of the embodiment of the invention nine down.

Embodiment nine, a kind of base station, this embedded in base station is accomplished the Modem function based on SOC, and is similar with embodiment eight, referring to Figure 15, comprising: the module of other function is accomplished in the 2nd SOC chip 60, second adaptation unit 50 and base station.

Wherein, said the 2nd SOC chip 60 comprises: the 4th configuration management element 61, the 2nd ATM layer encapsulation unit 32, the 2nd DSL layer modulating unit 33, the 2nd DSL layer modulating unit 34, the 2nd ATM layer encapsulation unit 35 and the 3rd adaptation unit 66.In fact, the embodiment of the invention seven is similar with the embodiment of the invention eight, all on adopting by the 2nd SOC chip 60 in the physics realization, realizes comprising the function of above-described unit; Different is; In the embodiment of the invention nine; On the 2nd SOC chip 60, increased by the 3rd adaptation unit 66 than the SOC chip 30 among the embodiment five; Be used for giving the SOC chip with the self-defined stream that carries configuration management command that base station second adaptation unit 50 sends; The 3rd adaptation unit 66 on the SOC chip is changed to Http stream, Snmp stream or the CIL stream that the 4th configuration management element 61 can be discerned in the SOC chip with self-defining circulation, and the 4th configuration management element 61 is the management flow of Http stream, Snmp stream or CIL stream according to the form that receives, and carries out the administration configuration to the Modem on the SOC chip.

Said second adaptation unit 50 is used for the OAM circulation that carries configuration management command that the BTS management platform sends is changed to self-defined stream; Send to the 3rd adaptation unit 66 through self-defined stream; Also be used for self-defining circulation is changed to OAM stream, said OAM stream is sent to the BTS management platform.Wherein, adopt the benefit of self-defining stream to be that the efficiency of transmission of stream of self-defined carrying configuration management information is high.

Can not accomplish configuration management separately based on the 2nd SOC chip 60, the common configuration management of accomplishing Modem of need communicating by letter with the BTS management platform to Modem.Specifically comprise following performing step:

The OAM that the transmission of BTS management platform carries the configuration management command of Modem flows to the base station; Embedded in base station can not flow by this OAM of Direct Recognition based on the 4th configuration management element 61 on the SOC; Therefore; The OAM stream that second adaptation unit 50 is sent the BTS management platform is done adaptive a kind of self-defined stream that converts into, and this self-defining stream can be carried on the MAC stream.Second adaptation unit 50 will this self-defining stream that carries configuration management information sends the 3rd adaptation unit 66, the three adaptation units 66 should the adaptive Http of converting into the stream of self-defined stream, Snmp stream or CLI stream; Result after the 3rd adaptation unit 66 will be changed sends to the 4th configuration management element 61; The 4th configuration management element 61 is according to the configuration management information on Http stream, Snmp stream or the CLI stream that is carried on that receives; Completion is to the configuration management of Modem; The 4th configuration management element 61 also can be sent the information of relevant embedded in base station Modem operating state and given the BTS management platform, the process of concrete transmission, and the process of sending configuration management information with the base station is opposite; Release easily, and on existing technical capability, realize easily.

The common configuration management of accomplishing the Modem unit in each unit of more than describing, described configuration management can comprise Modem to the configuration management of data modulation with to the configuration management of analog signal demodulation.After accomplishing configuration management, realize to sent data or corresponding similar with this embodiment of the invention seven, eight based on SOC chip 60 each unit in the base station the modulation treatment or the demodulation process of the analog signal that receives, can be with reference to embodiment seven or eight explanation.

A kind of base station that the embodiment of the invention eight, nine provides; This embedded in base station go up to realize the Modem function based on SOC; Make the base station have the function of modulator-demodulator, and need not increase a network element, promptly do not adopt external Modem; The base station of adopting the embodiment of the invention eight, nine to provide can solve reliability, power taking, clock and configuration management problem.

A kind of base station that the above embodiment of the invention eight, nine provides; Modem function built-in in this base station is based on the SOC; The following embodiment of the invention eight also provides a kind of base station; The function of modulation also can be accomplished in this base station, and this built-in Modem function is based on that embedded chip realizes.Do explanation in the face of the embodiment of the invention eight down.

Embodiment ten, a kind of base station; The function of built-in Modem module is realized by embedded chip in this base station; Referring to Figure 16, comprising: embedded chip 90, the 5th configuration management element 111 with embodiment five in similar unit comprise: ATM layer encapsulation unit 103, ATM layer decapsulation unit 105, MAC layer encapsulation unit 202, MAC layer decapsulation unit 204, IP layer encapsulation unit 203 and IP layer decapsulation unit 206.

Wherein, said embedded chip 90 comprises: DSL layer modulating unit 901, DSL layer demodulating unit 902 and DSL configuration management library unit 903.Said DSL configuration management library unit 903 is used for the information of the configuration management on the DSL layer to the 5th configuration management element 111 being provided.

For the ease of understanding; Because in embedded chip 90; Can not directly realize configuration management in the DSL configuration management library unit 903 to data-modulated in the DSL layer modulating unit 901; With the configuration management to data demodulates in the DSL layer demodulating unit 902, therefore, the relevant DSL layer configuration management informational needs in the DSL configuration management library unit 903 sends to the 5th configuration management element 111; Accomplish to the configuration management of data-modulated in the DSL layer modulating unit 901 with to the configuration management of data demodulates in the DSL layer demodulating unit 902.Detailed process can be; Configuration management information in the DSL configuration management library unit 902 is based on the operating system in the 5th configuration management element 111; Like Vxworks operating system, realize in the DSL layer modulating unit 901 or to the configuration management of data in the DSL layer demodulating unit 902.

In fact, embodiment eight except that in being configured the course of work of management with embodiment five have different, other processing procedure to data modulation or demodulation is identical with the embodiment of the invention seven.Can be with reference to the description in the embodiment of the invention seven.Need to prove that the physical interface of transmission ATM CELL can be ATM universal test and execution physical layer (UTOPIA:Universal Test and Operations PHY Interface for ATM) interface between embedded chip 90 and ATM layer encapsulation unit 103 or the ATM layer decapsulation unit 105 in embodiment ten.

Embedded chip 90 among the embodiment ten just is used for limiting: this embedded chip 90 is a kind of physical entities, and this physical entity can realize that function comprises: DSL layer modulating unit 901, DSL layer demodulating unit 902 and DSL configuration management library unit 903.The part of the Modem function that on embedded chip or SOC, can not realize is fully then realized by other part in the base station.

It more than is a kind of base station that the embodiment of the invention ten is provided; Inside of base station has been realized the Modem function based on embedded chip; Make the base station have the function of modulator-demodulator, and need not increase a network element, promptly do not adopt external Modem; The base station of adopting the embodiment of the invention five to provide can solve reliability, power taking, clock and configuration management problem.Specifically with reference to the beneficial effect of the embodiment of the invention five.

More than be the explanation of base station that the embodiment of the invention is provided, the description of a kind of communication system that provides in the face of the embodiment of the invention down.

Embodiment 11, a kind of communication system referring to Figure 17, comprise base station 70 and base station controller 80.Wherein, Said base station is used for the Modem of embedded in base station is done configuration management; Result according to configuration management; Data-modulated is sent this base station controller and the analog signal that the base station controller that receives sends is demodulated into the data of identification of base stations for the analog signal on the DSL circuit, transmitted, comprising: the analog signal that receives is carried out on demodulation process on the DSL layer, the ATM layer decapsulation handle; Said base station controller is used to receive the analog signal of on the DSL circuit, transmitting that send the base station, also is used to send meet the analog signal of on the DSL circuit, transmitting and give the base station.

Wherein, Because the physics realization method of embedded in base station Modem function can be different; Make the base station realize that concrete the method for above-mentioned Modem function is also different; The physics realization method of the Modem of two kinds of embedded in base station is provided in embodiments of the present invention, and a kind of is to realize embedded in base station Modem function through SOC, and another kind is to realize embedded in base station Modem function through embedded chip.

For the ease of understanding, the base station 70 in a kind of communication system that the embodiment of the invention 11 provides can be the base station that provides among the embodiment five to ten.The base station that provides among the embodiment eight or nine, its built-in Modem function is physically realized by SOC, the base station that embodiment ten provides, its built-in Modem function is physically realized by embedded chip.The explanation of the base station 70 in a kind of communication system that the corresponding embodiment of the invention 11 provides can be with reference to the explanation among the embodiment five to ten, in this communication system base station controller 80 with prior art in base station controller similar.

The embodiment of the invention also provides:

1, a kind of method of data processing of modem embedded in base station comprises:

2, according to the method for 1 described processing, said configuration management information is specially the configuration management information of ATM layer and digital user wire DSL layer.

3, according to the method for 2 described processing, the configuration management information of said reception is specially and receives the operation management maintain OAM stream that the BTS management platform sends, and carries configuration management information in the said OAM stream.

4, according to the method for 3 described processing, the configuration management information of said reception is specially:

Reception is changed to the discernible stream of SOC(system on a chip) SOC with said OAM circulation.

5, according to the method for 4 described processing, the discernible stream of said SOC is specially: Hypertext Transport Protocol Http stream, Simple Network Management Protocol Snmp stream or common language fabric CLI stream.

6, according to the method for 3 described processing, the configuration management information of said reception is specially:

Said OAM circulation is changed to self-defined stream, and then self-defined circulation is changed to the discernible stream of SOC(system on a chip) SOC.

7, according to the method for 6 described processing, said to data carry out ATM layer and DSL layer processing can for: data are carried out the modulation treatment of ATM layer and DSL layer or data are carried out the demodulation process of ATM layer and DSL layer.

8, according to the method for 1 described processing, said data are Ethernet stream.

9, a kind of method of data processing of modem embedded in base station comprises:

10, according to the method for 9 described processing, this method also further comprises:

Configuration management information according to receiving from the BTS management platform is configured management to asynchronous transfer mode ATM layer, media access control MAC layer and IP layer;

ATM CELL after the ATM cell CELL from the built-in Modem of said data basestation that receives being carried out the processing of ATM layer, MAC layer or according to the result of configuration the data that receive are carried out the processing of MAC layer and ATM layer according to the result of configuration sends to embedded in base station Modem.

11, a kind of base station comprises:

12, a kind of base station comprises:

13, a kind of base station comprises:

14, according to 13 described base stations, said base station also comprises:

First configuration management element is used for the Modem of embedded in base station is configured management, produces said configuration management information.

15, according to 13 described base stations, said base station also comprises:

Adaptation unit is used for the stream with reception OAM, and said OAM circulation is changed to Http stream, Snmp stream or CIL stream, and said Http stream, Snmp stream or CIL stream are sent to said first configuration management element, carries configuration management command on the said OAM stream.

16, according to 13 described base stations, said base station also comprises:

Second adaptation unit is used to receive OAM stream, and said OAM circulation is changed to self-defined stream, carries configuration management command on the said OAM stream;

The 3rd adaptation unit is used to receive said self-defined stream, said self-defined circulation is changed to be Http stream, Snmp stream or CIL stream, and said Http stream, Snmp stream or CIL stream are sent to said first configuration management element.

17, according to 13 described base stations, said base station also comprises:

DSL configuration management library unit, the configuration management information that is used to send on the DSL layer is given said first configuration management element.

18, according to 13 to 17 each described base stations, said base station also comprises:

Transmitting element is used for the analog signal that the DSL modulating unit forms is sent to base station controller;

Receiving element is used to receive the analog signal that base station controller sends.

19, according to 13 to 17 each described base stations, said base station also comprises:

IP layer encapsulation unit is used for the configuration management information that presets according to said, is IP datagram with data encapsulation to be sent;

MAC layer encapsulation unit is used for the configuration management information that presets according to said, and said IP datagram is encapsulated as mac frame;

MAC layer decapsulation unit is used for the configuration management information that presets according to said, and the mac frame decapsulation with forming in the said ATM layer decapsulation unit forms IP datagram;

IP layer decapsulation unit is used for the configuration management information that presets according to said, with forming the decapsulation of IP datagram literary composition in the said MAC layer decapsulation unit.

20, a kind of communication system comprises: base station and base station controller, wherein,

According to 20 described communication systems, it is characterized in that 21, said base station also is used for the Modem of embedded in base station is configured management, produces said configuration management information.

One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; This program comprises the steps: when carrying out

The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.

More than transmission method, system and the device of a kind of modem embedded in base station that the embodiment of the invention provided carried out detailed introduction; Used concrete example among this paper principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims

1. the method for the data processing of a modem embedded in base station is characterized in that, comprising:

2. the method for processing according to claim 1 is characterized in that, said configuration management information is specially the configuration management information of ATM layer and digital user wire DSL layer.

3. the method for processing according to claim 2 is characterized in that, the configuration management information of said reception is specially and receives the operation management maintain OAM stream that the BTS management platform sends, and carries configuration management information in the said OAM stream.

4. the method for processing according to claim 3 is characterized in that, the configuration management information of said reception is specially:

5. the method for processing according to claim 4 is characterized in that, the discernible stream of said SOC is specially: Hypertext Transport Protocol Http stream, Simple Network Management Protocol Snmp stream or common language fabric CLI stream.

6. the method for processing according to claim 3 is characterized in that, the configuration management information of said reception is specially:

7. the method for processing as claimed in claim 6 is characterized in that, said to data carry out ATM layer and DSL layer processing can for: data are carried out the modulation treatment of ATM layer and DSL layer or data are carried out the demodulation process of ATM layer and DSL layer.

8. the method for processing according to claim 1 is characterized in that, said data are Ethernet stream.

9. the method for the data processing of a modem embedded in base station is characterized in that, comprising:

10. the method for processing according to claim 9 is characterized in that, this method also further comprises:

11. a base station is characterized in that, comprising:

12. a base station is characterized in that, comprising:

13. a base station is characterized in that, comprising:

14. base station according to claim 13 is characterized in that, said base station also comprises:

15. base station according to claim 13 is characterized in that, said base station also comprises:

16. base station according to claim 13 is characterized in that, said base station also comprises:

17. base station according to claim 13 is characterized in that, said base station also comprises:

18., it is characterized in that said base station also comprises according to each described base station of claim 13 to 17:

19., it is characterized in that said base station also comprises according to each described base station of claim 13 to 17:

20. a communication system is characterized in that, comprising: base station and base station controller, wherein,

21. communication system according to claim 20 is characterized in that, said base station also is used for the Modem of embedded in base station is configured management, produces said configuration management information.