CN203482402U

CN203482402U - Gateway system and base station system

Info

Publication number: CN203482402U
Application number: CN201320372751.7U
Authority: CN
Inventors: 帅福利; 刘志文
Original assignee: Comba Telecom Systems China Ltd
Current assignee: Comba Network Systems Co Ltd
Priority date: 2013-06-26
Filing date: 2013-06-26
Publication date: 2014-03-12
Anticipated expiration: 2023-06-26

Abstract

The utility model discloses a gateway system, and the gateway system comprises a plurality of signal access modules, which are connected with an interface S1 of a base station, of a data interface. The gateway system also comprises a router, a signaling collection device, a signaling data aggregation device, a signaling decoding analysis and processing device, and a business data forwarding device. The router is connected with the signal access modules. The signaling collection device and the business data forwarding device are respectively connected with the router. The signaling decoding analysis and processing device and the signaling data aggregation device are connected with each other, and are respectively connected with the signaling collection device. The signal access modules are respectively connected with the interface S1 of the base station. The signaling collection device is connected with the MME network element of a core network. The business data forwarding device is connected with the SGW network element of the core network. The gateway system can achieve the routing function of the signaling and business data of a plurality of base stations, and there is only one signaling link between the plurality of base stations and the core network, thereby greatly reducing the communication pressure of the signaling data at the core network side, avoiding communication congestion, improving the efficiency of communication, and guaranteeing the quality of communication.

Description

Gateway system and base station system

Technical field

The utility model relates to communication technical field, particularly relates to a kind of gateway system and base station system.

Background technology

Development along with wireless communication technology, the Wireless Telecom Equipment that meets LTE standard is developed in most of instrument factories commercial city, the 4G standard of TD-LTE technology evolution on the basis of TD-SCDMA, various femto cell are widely used, these femto cell features are that coverage is little, quantity is many, as being deployed in a large number NANO-Cell, the Femto Cell of family, enterprise and hot zones, the femto cell of Small Cell.

In wireless communication field, UE (User Equipment, subscriber equipment) in the time of will carrying out data communication, need to pass through covered base station and carry out data interaction with core net, wherein, the data of UE communication comprise signaling data and business datum, the MME(Mobile Managenment Entity of signaling data and core net, mobile management entity) network element carries out alternately, the SGW(Seving GateWay of business datum and core net) network element carries out alternately.

Traditional base station and the interaction technique of core net, base station directly and core net directly communicate to connect, upper the data of UE are sent to the router of gateway by upstream data form, then be routed directly to the equipment of the MME network element of core net, after core net response, obtain downlink data, then be back to corresponding base station by router.

In above-mentioned base station when carrying out data interaction with core net, each base station needs the communication link between foundation and core net, for example, carrying out signaling data when mutual, each base station needs to set up a signaling link with core net, a large amount of base station if an area is distributing, various femto cell described above, on chain of command, setting up and maintaining the huge signaling link of quantity to cause the resource consumption of core net excessive, the communication pressure of the signaling data of core-network side is increased suddenly, when serious, can cause traffic congestion, seriously reduced communication efficiency, affect communication quality.

Utility model content

Based on this, being necessary the problem that affects communication quality for above-mentioned provides a kind of gateway system and base station system.

A gateway system, comprising: be provided with the signal access module of a plurality of data-interfaces that are connected with base station S1 interface, router, signaling acquisition device, signaling data converging device, signaling decoding APU, and business datum retransmission unit;

Described router connects described signal access module, described signaling acquisition device, business datum retransmission unit connect respectively described router, and described signaling decoding APU is connected with described signaling data converging device, is also connected with described signaling acquisition device respectively;

Described signal access module connects the S1 interface of base station, and described signaling acquisition device connects the MME network element of core net, and described business datum retransmission unit connects the SGW network element of core net.

Above-mentioned gateway system, signal access module connects a plurality of base stations, router is realized the routing function of a plurality of base stations signaling data and business datum, signaling acquisition device gathers the signaling data of a plurality of base stations, signaling data converging device converges the signaling data of a plurality of base stations, signaling decoding APU is to the signaling data converging, carry out after Decoding Analysis processing, by unified signaling link and core net, carry out signaling data more mutual, between a plurality of base stations and core net, only has a signaling link, thereby greatly alleviated the communication pressure of core-network side signaling data, avoided traffic congestion, improved communication efficiency, guaranteed communication quality.

A base station system, comprises a plurality of base stations and above-mentioned gateway system; Described base station is connected with described gateway system by S1 interface.

Accompanying drawing explanation

Fig. 1 is the structural representation of the gateway system of an embodiment;

Fig. 2 is the structural representation of the gateway system of a preferred embodiment.

Embodiment

Below in conjunction with accompanying drawing, the embodiment of gateway system of the present utility model is described in detail.

Fig. 1 shows the structural representation of the gateway system of an embodiment, this gateway system connects a plurality of base stations, be located between base station and core net, comprise: the signal access module 01 that is provided with a plurality of data-interfaces that are connected with base station S1 interface, router 02, signaling acquisition device 03, signaling data converging device 04, signaling decoding APU 05, and business datum retransmission unit 06;

Described router 02 connects described signal access module 01, described signaling acquisition device 03, business datum retransmission unit 06 connect respectively described router 02, and described signaling decoding APU 05 is connected with described signaling data converging device 04, is also connected with described signaling acquisition device 03 respectively;

Described signal access module 01 connects the S1 interface of base station, and described signaling acquisition device 03 connects the MME network element of core net, and described business datum retransmission unit 06 connects the SGW network element of core net.

In one embodiment, the specific works process of gateway system is as follows:

In up link:

Signal access module 01 is set up the communication connection with the S1 interface of each base station, accesses the upstream data of each base station, and wherein, signal access module 01 can adopt Radio Sys7220 board.Preferably, signal access module 01 can be connected with S1 interface by public network or communication private network, mainly to set up IPSEC(Internet Protocol Security, Internet Protocol Security) passage and set up SCTP(Stream Control Transmission Protocol, SCTP) link.Further, signal access module 01 can also carry out volume controlled, authentication and authentication etc. are carried out in base station the base station of access.

Router 02 is judged subscriber signaling data and uplink business data according to the Target IP of upstream data, and subscriber signaling data are sent to signaling acquisition device 03, and uplink business data is sent to business datum retransmission unit 06.

The subscriber signaling data of each base station that signaling acquisition device 03 gathers, signaling data converging device 04 converges gathered subscriber signaling data, be forwarded to again signaling

decoding APU

05, 05 pair of subscriber signaling data of signaling decoding APU are carried out signaling data parsing, revise IP address and the conversion of user's label information, then carry out signaling restructuring, transfer to again signaling acquisition device 03 to be forwarded to the corresponding device of the MME network element of core net, business datum retransmission unit 06 is sent to uplink business data according to IP address the corresponding device of the SGW network element of core net.Wherein, revising IP address is that the Target IP of signaling data and source IP are carried out to gateway conversion, is about to the IP address that ，Jiang source, IP address IP that Target IP is revised as MME network element is revised as default gateway system; The conversion of user's label information is that user ID is converted to the user ID unique with respect to gateway apparatus, and corresponding transformational relation information recording is got off, for distinguish the user of base station when response signaling data return.

In down link:

The downlink service data that business datum retransmission unit 06 access SGW network element issues is also forwarded to router 02; The response signaling data that the MME network element that signaling acquisition device 03 gathers returns, signaling data converging device 04 converges gathered response signaling data, be forwarded to again signaling

decoding APU

05,05 pair of response signaling data of signaling decoding APU are carried out signaling data parsing, are revised IP address and the conversion of user's label information, then carry out signaling restructuring, then transfer to signaling acquisition device 03 to be forwarded to router 02.

Concrete, the corresponding device response subscriber signaling data of MME network element, the signaling data that meets with a response carries out IP passback, wherein, revising IP address is that the Target IP of signaling data and source IP are carried out to gateway conversion, be about to the IP address that source IP is revised as gateway system, Target IP is revised as to the IP address of base station, because the user ID of each base station UE when the signaling data of upper hair family has been done corresponding conversion, according to the transformational relation information of above-mentioned record, the user ID unique with respect to gateway apparatus is converted to the user ID unique with respect to each base station, thereby can response signaling data be back to corresponding base station UE according to original route.

The gateway system of above-described embodiment, by accessing the upstream data of each base station, then judge subscriber signaling data and uplink business data, converge the subscriber signaling data of each base station, then set up a signaling link with the MME network element of core net, subscriber signaling data and response signaling data are carried out to corresponding IP address and user's conversion, utilize IP passback technology that the signaling data of chain of command is converged and forwarded, the business datum of user's face is adopted to direct pass-through mode, between a plurality of base stations and core net, only has a signaling link, thereby greatly alleviated the communication pressure of core-network side signaling data, avoided traffic congestion, improved communication efficiency, guarantee communication quality

Referring to Fig. 2, Fig. 2 is the structural representation of the gateway system of a preferred embodiment.

In one embodiment, gateway system can also comprise the ciphering and deciphering device 07 being connected between described signal access module 01 and router 02, this ciphering and deciphering device 07 is decrypted upstream data according to core protocol and the enciphering and deciphering algorithm set, and response signaling data and downlink service data are encrypted.Preferably, the core protocol adopting comprises AH agreement, ESP agreement, and the enciphering and deciphering algorithm adopting comprises MD5 algorithm, SHA-1 algorithm.

In one embodiment, gateway system can also comprise the data-interface 08 for parameter configuration, utilize this data-interface 08, can pass through the running parameter of signal access module 01 h.323-configured gateway system, can also carry out query State by this data-interface 08 in addition.

In one embodiment, described base station comprises: the femto cell of NANO-Cell, Femto Cell, Small Cell framework

Below the embodiment of base station system of the present utility model is described in detail.

Base station system of the present utility model, comprises a plurality of base stations and gateway system of the present utility model.By this gateway system, in base station system of the present utility model, the S1 interface of a plurality of (miniature) base station is connected with gateway system, at gateway, realize that signaling converges and business datum forwarding capability, gateway system and core net only have a signaling link, thereby reduced the signaling link of base station system and core net, alleviated the signaling processing pressure of core-network side, guaranteed the communication quality of base station system and core net.

In one embodiment, the base station of base station system of the present utility model comprises: the femto cell of NANO-Cell, Femto Cell, Small Cell framework.

The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims

1. a gateway system, is characterized in that, comprising: the signal access module that is provided with a plurality of data-interfaces that are connected with base station S1 interface, router, signaling acquisition device, signaling data converging device, signaling decoding APU, and business datum retransmission unit;

2. gateway system according to claim 1, is characterized in that, also comprises the data encrypting and deciphering device being connected between described signal access module and described router.

3. gateway system according to claim 1, is characterized in that, described signal access module connects the data-interface for parameter configuration.

4. gateway system according to claim 1, is characterized in that, described access module is connected with described base station by communication private network or public network.

5. gateway system according to claim 1, is characterized in that, described base station comprises: the femto cell of NANO-Cell, Femto Cell, Small Cell framework.

6. a base station system, is characterized in that, comprises a plurality of base stations and the gateway system as described in claim 1 to 5 any one;

Described base station is connected with described gateway system by S1 interface.