CN102006672A - Service request processing method, communication system and household base station - Google Patents
Service request processing method, communication system and household base station Download PDFInfo
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Abstract
The invention provides a service request processing method, a communication system and a household base station. The method comprises the steps that: the household base station receives a service request which is sent by a user terminal and carries a target internet protocol address and a data packet; and if determining that the service type of the service request is an internet service according to the target Internet protocol address, the household base station establishes data connection with the Internet according to access equipment of the household base station and sends the data packet into the Internet. The service request processing method, the communication system and the household base station of the invention effectively solve the problem of alternate route generated when the data connection is established between the household base station and the Internet in the prior art and effectively reduce the expansion pressure of a mobile core network and the operation cost of an operator.
Description
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to method and communication system and Home eNodeB that a kind of service request is handled.
Background technology
Femtocell is a kind of small-sized, low-power cellular technology, is mainly used in indoor places such as family and office based on the base station of this technology, therefore is also referred to as Home eNodeB (Home NodeB; Hereinafter to be referred as: HNB), in other words, HNB is the radio reception device that is placed in the indoor environments such as family.HNB is by the special-purpose third generation (Third Generation; Hereinafter to be referred as: 3G) mobile communication technology access channel, for example Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access; Hereinafter to be referred as: WCDMA), provide the cellular service of any kind, such as speech, internet (Internet) access, download or Web TV etc.Thereby, indoor environments such as family and office cover for providing 3G, and can provide than the more 3G service of high-quality of macrocellular, in this simultaneously, can also effectively reduce the load of 3G macro cells, therefore, HNB family access way is beneficial to mobile phone, personal computer (Personal Computer; Hereinafter to be referred as: the indoor broadband application of polynary terminal such as PC) has also effectively promoted fixed network and the fusion of moving.
According to the existing HNB network architecture, as user terminal (UserEquipment; Hereinafter to be referred as: when UE) initiating the Internet business, data flow will arrive Internet by mobile core network at last through HNB to mobile core network; When UE initiated the WAP business, data flow to mobile core network, arrived WAP gateway by mobile core network through HNB at last.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: when UE initiates the Internet business, HNB is by the fixed broadband backhaul, promptly packet is sent to mobile core network by the Internet carrying, travel back across Internet again through mobile core network, alternate route causes the waste of resources of core network and the increase of time delay; Simultaneously, the continuous expansion of the scale of disposing along with HNB and the rise of mobile Internet and data service make service GRPS support node (the Service GPRS Support Node of core net; Hereinafter to be referred as: SGSN) and Gateway GPRS Support Node (Gateway GPRS Support Node; Hereinafter to be referred as: GGSN) will face huge flash pressure, and then increase operating cost of operator.
Summary of the invention
Method and communication system and Home eNodeB that the embodiment of the invention provides a kind of service request to handle have effectively solved the flash pressure problem of mobile core network element, and have reduced operating cost of operator.
The method that the embodiment of the invention provides a kind of service request to handle comprises:
Home eNodeB receives the service request that carries purpose Internet Protocol address and packet that user terminal sends;
If described Home eNodeB is according to described purpose Internet Protocol address, the type of service of judging described service request is an internet service, then described Home eNodeB is set up by the access device of described Home eNodeB and is connected with the data of internet, so that described packet is sent in the described internet.
The embodiment of the invention provides a kind of Home eNodeB, comprising:
The service request receiver module is used to receive the service request that carries purpose Internet Protocol address and packet that user terminal sends;
Data connect sets up module, be connected with described service request receiver module, be used for as if described Home eNodeB according to described purpose Internet Protocol address, the type of service of judging described service request is an internet service, then described Home eNodeB is set up by the access device of described Home eNodeB and is connected with the data of internet, so that described packet is sent in the described internet.
The communication system that the embodiment of the invention provides a kind of service request to handle comprises: above-mentioned described Home eNodeB.
Method and communication system and Home eNodeB that the service request of the embodiment of the invention is handled, Home eNodeB receives the service request that carries purpose Internet Protocol address and packet that user terminal sends; If Home eNodeB is according to the purpose Internet Protocol address, the type of service of judging service request is an internet service, then Home eNodeB is set up by described Home eNodeB access device and is connected with the data of internet, so that packet is sent in the internet, thereby effectively solved the problem of setting up the alternate route that produced when data are connected in the prior art between the Home eNodeB and Internet, and effectively reduced the flash pressure of mobile core network, also reduced operating cost of operator simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be the embodiment of the invention based on the home base station network configuration diagram;
Fig. 2 be the embodiment of the invention based on core net network architecture schematic diagram;
The flow chart of the method that the service request that Fig. 3 provides for the embodiment of the invention one is handled;
The flow chart of the method that the service request that Fig. 4 provides for the embodiment of the invention two is handled;
The method signaling diagram that Fig. 5 handles for the service request that the embodiment of the invention two provides;
The structural representation of the Home eNodeB that Fig. 6 provides for the embodiment of the invention three;
The structural representation of the communication system that the service request that Fig. 7 provides for the embodiment of the invention four is handled.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 be the embodiment of the invention based on the home base station network configuration diagram, the network element in the home base station network mainly comprises equipment entity such as HNB and HNB GW.Wherein, HNB GW links to each other with the network element of core net by " Iu interface ", mainly is responsible for signaling and Wireless Application Protocol (Wireless Application Protocol; Hereinafter to be referred as: WAP) data service converges forwarding; Link to each other by " Iuh interface " between HNB and the HNB GW.HNB and HNB GW also support some because new functions such as for example HNB registration that the HNB characteristic is introduced, UE registrations.In home base station network, also be provided with relevant managed network element, for example Home eNodeB management system (Home Manager System; Hereinafter to be referred as: HMS), HMS adopts " TR-069 " protocol suite, finishes management functions such as HNB location verification, HNB GW discovery, HNB parameter configuration.
HNB is applicable to code division multiple access (Code Division Multiple Access; Hereinafter to be referred as: CDMA), global system for mobile communications (Global System for Mobile Communications; Hereinafter to be referred as: GSM), universal mobile telecommunications system (Universal Mobile Telecommunications System; Hereinafter to be referred as: various standards and support the product of 3G mobile communication technology such as UMTS).Simultaneously since with the same standard in other mobile base stations of operator, same frequency range, therefore can be general with portable terminal such as mobile phone.HNB is similar to terminal equipment for the user, therefore have clear and definite requirement simple to operate.After the user obtains Home eNodeB from operator, only need energized and network to get final product, need Home eNodeB to finish IP connection and IP distribution automatically, to carry out long-range automatic software upgrading, automatic network planning, comprise the selection of least interference frequency, the automatic distribution of scrambler, the automatic establishment of adjacent cell list and the automatic adjustment of transmitting power etc.
Fig. 2 be the embodiment of the invention based on core net network architecture schematic diagram.As shown in Figure 2, mainly comprise: Home Location Register (the Home Location Register that is arranged on core-network side; Hereinafter to be referred as: HLR), SGSN, GGSN and domain name system (Domain Name System; Hereinafter to be referred as: DNS); Wherein GGSN is responsible for packet data protocol (Package Data Protocol; Hereinafter to be referred as: the PDP) dynamic assignment of activation, UE address, and the forwarding of wap data business.
The method that the service request that various embodiments of the present invention provided is handled can realize based on above-mentioned network system.Below by the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Embodiment one
The flow chart of the method that the service request that Fig. 3 provides for the embodiment of the invention one is handled, as shown in Figure 3, this method comprises:
In the present embodiment, HNB receives the service request that carries purpose IP address and packet that UE sends, if HNB is according to purpose IP address, concrete, HNB is according to the address style or the network segment of purpose IP address, the type of service of judging service request is the Internet business, and then HNB sets up by the access device of described HNB and is connected with the data of Internet, so that packet is directly sent among the Internet.It should be noted that HNB of the prior art is by the fixed broadband backhaul, promptly packet is sent to mobile core network, travel back across Internet again through the Gi interface of the GGSN of mobile core network network element by Internet carrying.Therefore, effectively solved the problem of setting up the alternate route that produced when data are connected in the prior art between the Home eNodeB and Internet in the present embodiment, and effectively reduced the flash pressure of mobile core network, also reduced operating cost of operator simultaneously.
Embodiment two
The flow chart of the method that the service request that Fig. 4 provides for the embodiment of the invention two is handled as shown in Figure 4, on the basis of the foregoing description one, also comprises before the step 11:
Like this, step 11 is specially:
In the step 10 of present embodiment, APN specifically is used to identify general packet radio service (General Packet Radio Service; Hereinafter to be referred as: class of business GPRS), i.e. Wireless Application Protocol (Wireless Application Protocol; Hereinafter to be referred as; WAP) professional and Internet business.
Further, in step 12, the HNB access device can be specially ADSL (Asymmetric Digital Subscriber Line) (Asymmetric Digital Subscriber Line; Hereinafter to be referred as: ADSL) modulator-demodulator or home gateway.Like this, HNB can insert Internet by the fixed broadband connecting system.It should be noted that when purpose IP address is private IP address the access device of HNB also must possess network address translation (Network Address Translation; Hereinafter to be referred as: NAT) function, in order to private IP address is converted into public network IP address.
In the present embodiment, HNB receives the service request that carries purpose IP address and packet that UE sends; If HNB is according to purpose IP address, the type of service of judging service request is the Internet business, then HNB sets up by described HNB access device and is connected with the data of Internet, so that packet is sent in the internet, thereby effectively solved the problem of setting up the alternate route that produced when data are connected in the prior art between the Home eNodeB and Internet, and effectively reduced the flash pressure of mobile core network, also reduced operating cost of operator simultaneously.
In the present embodiment, based on the foregoing description one, Home eNodeB generally cooperates realization by network elements such as the SGSN in the core net, GGSN and HLR to the processing of service request, based on the existing network architecture of core net, a kind of specific implementation form of present embodiment as shown in Figure 5, the method signaling diagram that Fig. 5 handles for the service request that the embodiment of the invention two provides, the method that this service request is handled specifically comprises the steps:
Step 201, HNB send to SGSN with the PDP context activation request that carries APN that UE sends; Concrete, also comprise the activation type that UE provides in the PDP context activation request, pdp address, like this, SGSN activates type, pdp address and APN according to this, checks whether this PDP context activation request is effective; If the PDP context activation request effectively then execution in step 202; If it is invalid to judge this PDP context activation request, then refuse this PDP context activation request;
Step 202, SGSN, are carried at APN PDP again and set up in the request to the IP address that GGSN is obtained in the DNS inquiry according to the APN in the PDP context activation request, send to the GGSN of this IP address correspondence;
Concrete, SGSN uses conventional data transmission platform (General Data Transfer Platform; Hereinafter to be referred as: GTP) the GTP-C agreement in the agreement sends to GGSN with the PDP request of setting up by the GTP tunnel encapsulation.
Step 203, GGSN carry out dynamic address allocation to UE, and the source IP address that distribution obtains are carried in the PDP foundation response according to the APN in the PDP foundation request that receives, and return to SGSN;
It should be noted that, after GGSN carries out dynamic address allocation to the terminal use, also need the PDP Context that PDP sets up in the request is stored among the GGSN, wherein, PDP Context comprises: user's face IP address of GGSN, Tunnel Identifier and service quality (Quality of Service; Hereinafter to be referred as: QOS) etc.
Behind the source IP address that the distribution that step 204, SGSN basis receive obtains, send RAB (Radio Access Bearer to HNB; Hereinafter to be referred as: RAB) assign signaling;
Step 205, HNB assign signaling according to the RAB that receives, and send RB (Radio Bearer to UE; Hereinafter to be referred as RB) set up and instruct;
Step 206, UE are set up the wireless connections with HNB, and RB are set up finish response and send to HNB;
The RB that step 207, HNB send UE sets up to finish to respond and returns to SGSN;
Step 208, SGSN set up according to the RB that receives and finish response, and the source IP address that distribution is obtained is carried in the PDP context activation response, sends to UE by HNB;
Step 209, HNB receive the service request that carries source IP address, purpose IP address and packet that user terminal sends, and according to purpose IP address, judge the type of service request; If know that the type of service request is the Internet business, then execution in step 210; If know that the type of service request is non-Internet business, then execution in step 211;
Step 210, HNB insert Internet by the access device of HNB, so that packet is sent to Internet;
Step 211, HNB insert outer data network by GGSN, so that packet is sent in the outer data network.
In the present embodiment, in step 205 and 206, SGSN passes through to send the RAB designation instruction to HNB, and by HNB RB foundation instruction is transmitted to user terminal, is the link that is used for realizing setting up between SGSN and the user terminal transmission speech data and multimedia service; Like this, in step 207 and 208, when user terminal according to the RAB designation instruction, build up behind the link that transmits speech data and multimedia service and response is finished in foundation and return to SGSN, the source IP address that SGSN just obtains distribution is carried at Packet data service and calls out in the activation response, sends to user terminal by HNB.
In the present embodiment, the Internet business can be specially the Ftp business, and like this, step 210 can be specially: HNB is connected with Ftp Server by the access device of HNB, to realize that setting up data with Internet is connected.
In addition, in the present embodiment, non-Internet business can be specially the WAP business, and external data network is a WAP gateway, and like this, step 211 can be specially:
HNB inserts WAP gateway by GGSN, so that packet is sent to WAP gateway.
In the present embodiment, HNB mainly is responsible for the carrying of Radio Link, the differentiation of the type of service request, like this, when the type of service request is the Internet business, HNB adopts the directly mode of shunting, promptly no longer via core net, be connected with the data of Internet but directly set up by HNB, thereby when effectively having solved in the prior art HNB and Internet and setting up data and be connected, cause the problem of alternate route, and effectively reduced the flash pressure of mobile core network.
Embodiment three
The structural representation of the Home eNodeB that Fig. 6 provides for the embodiment of the invention three, as shown in Figure 6, this Home eNodeB comprises: service request receiver module 31 is connected with data sets up module 32; Wherein, service request receiver module 31 is used to receive the service request that carries purpose IP address and packet that user terminal sends; Data connect sets up module 32, if be connected with service request receiver module 31, be used for according to purpose IP address, the type of service of judging service request is the Internet business, then be connected with the data of Internet, so that packet is sent among the Internet by the foundation of HNB access device.
In the present embodiment, service request receiver module 31 receives the service request that carries purpose IP address and packet that user terminal sends, and connect by data and to set up module 32 according to purpose IP address, judge the type of service of service request, if according to purpose IP address, the type of service of judging service request is the Internet business, then sets up by the HNB access device to be connected with the data of Internet, so that packet is sent among the Internet.
In the present embodiment, HNB receives the service request that carries purpose IP address and packet that UE sends; If HNB is according to purpose IP address, the type of service of judging service request is the Internet business, then HNB sets up by the access device of described HNB and is connected with the data of Internet, so that packet is sent in the internet, thereby effectively solved the problem of setting up the alternate route that produced when data are connected in the prior art between the Home eNodeB and Internet, and effectively reduced the flash pressure of mobile core network, also reduced operating cost of operator simultaneously.
Further, Home eNodeB also comprises: forwarding module 33, be connected with service request receiver module 31, be used for the PDP context activation request that carries APN that UE sends is transmitted to core net, so that core net is distributed corresponding source IP address according to APN to UE and returned the PDP context activation response that carries source IP address.
Embodiment four
The structural representation of the communication system that the service request that Fig. 7 provides for the embodiment of the invention four is handled, as shown in Figure 7, this service request is handled communication system and comprised: arbitrary Home eNodeB 41 that the foregoing description three provides also comprises: the access device 43 of femto gateway 42, Home eNodeB, core net 44 and Internet 45; Wherein, core net 44, be connected with femto gateway 42, be used to receive the PDP context activation request that carries APN that Home eNodeB 41 is transmitted from the user terminal transmission, and distribute to the corresponding source IP address of user terminal according to APN, the PDP context activation response that will carry source IP address again sends to Home eNodeB 41 by femto gateway 42; Internet 45, be connected with the access device 43 of Home eNodeB, be used for if Home eNodeB 41 according to purpose IP address, is known when the service request type is the Internet business, set up data with the access device 43 of Home eNodeB and be connected, to receive the packet that Home eNodeB 41 sends.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the method that service request is handled is characterized in that, comprising:
Home eNodeB receives the service request that carries purpose Internet Protocol address and packet that user terminal sends;
If described Home eNodeB is according to described purpose Internet Protocol address, the type of service of judging described service request is an internet service, then described Home eNodeB is set up by the Home eNodeB access device of described Home eNodeB and is connected with the data of internet, so that described packet is sent in the described internet.
2. the method that service request according to claim 1 is handled is characterized in that, described Home eNodeB receives before the service request that carries purpose Internet Protocol address and packet of user terminal transmission, also comprises:
Described Home eNodeB is transmitted to described core net with the packet data protocol context request that carries APN that described user terminal sends, so that described core net is distributed corresponding source Internet Protocol address for described user terminal according to described APN and returned the packet data protocol context activation response that carries described source Internet Protocol address;
Then described Home eNodeB receives the service request that also carries described source Internet Protocol address that described user terminal sends.
3. the method that service request according to claim 1 is handled is characterized in that the access device of described Home eNodeB is specially asymmetric number loop-around modem or home gateway.
4. the method that service request according to claim 1 is handled is characterized in that the access device of described Home eNodeB also has the network address translation translation function.
5. a Home eNodeB is characterized in that, comprising:
The service request receiver module is used to receive the service request that carries purpose Internet Protocol address and packet that user terminal sends;
Data connect sets up module, be connected with described service request receiver module, be used for if according to described purpose Internet Protocol address, the type of service of judging described service request is an internet service, then the access device foundation by described Home eNodeB is connected with the data of internet, so that described packet is sent in the described internet.
6. Home eNodeB according to claim 5 is characterized in that, also comprises:
Forwarding module, be connected with described service request receiver module, be used for the packet data protocol context request that carries APN that described user terminal sends is transmitted to described core net, so that described core net is obtained the source Internet Protocol address of described user terminal correspondence according to described APN and returned the packet data protocol context activation response that carries described source Internet Protocol address;
Described service request receiver module also is used to receive the service request that also carries described source Internet Protocol address that user terminal sends.
7. the communication system that service request is handled is characterized in that, comprises as claim 5 or 6 arbitrary described Home eNodeB.
8. the communication system that service request according to claim 7 is handled is characterized in that, also comprises: femto gateway, the access device of Home eNodeB, core net and internet; Wherein
Described core net, be connected with described femto gateway, be used to receive the packet data protocol context activation request that carries APN that described Home eNodeB is transmitted from described user terminal transmission, and according to described APN, obtain the source Internet Protocol address of described user terminal correspondence, the packet data protocol context activation response that will carry described source Internet Protocol address again sends to described Home eNodeB by described femto gateway;
Described internet, be connected with the access device of described Home eNodeB, be used for as if described Home eNodeB according to described purpose Internet Protocol address, know when described service request type is internet service, set up data with the access device of described Home eNodeB and be connected, to receive the described packet that described Home eNodeB sends.
9. the communication system that service request according to claim 8 is handled is characterized in that the access device of described Home eNodeB is specially asymmetric number loop-around modem or home gateway.
10. the communication system that service request according to claim 9 is handled is characterized in that the access device of described Home eNodeB also has the network address translation translation function.
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| CN105208598A (en) * | 2015-08-18 | 2015-12-30 | 中国联合网络通信集团有限公司 | Network access method and apparatus |
| CN105208598B (en) * | 2015-08-18 | 2019-03-12 | 中国联合网络通信集团有限公司 | A kind of method for network access and device |
| CN109788528A (en) * | 2017-11-15 | 2019-05-21 | 中国电信股份有限公司 | Access point and its internet business activating method and system |
| CN114827079A (en) * | 2022-03-25 | 2022-07-29 | 阿里云计算有限公司 | Capacity expansion method, equipment and storage medium for network address conversion gateway |
| CN114827079B (en) * | 2022-03-25 | 2024-04-30 | 阿里云计算有限公司 | Capacity expansion method, device and storage medium of network address translation gateway |
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