CN102573005A

CN102573005A - Radio data service access method, system and device

Info

Publication number: CN102573005A
Application number: CN2010105975546A
Authority: CN
Inventors: 赵建; 王映民; 赵瑾波; 秦飞
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2012-07-11
Anticipated expiration: 2030-12-20
Also published as: WO2012083815A1; CN102573005B

Abstract

The invention discloses a radio data service access method, system and device. The method comprises a radio frequency module and a radio link control (RLC) protocol layer processing module, wherein the radio frequency module is used for receiving radio data service request initiated by a data service terminal and then performing service data and service signaling interaction with the data service terminal through a radio air interface; and the RLC layer processing module is used for performing service data and service signaling interaction with an external network for providing radio data service through a network interface and enabling the data service to access to the external network. Through access nodes, the data service terminal can simply and conveniently access the external network with low cost, and the large-quantity high-speed data transmission requirement of radio data service can be met.

Description

Wireless data service cut-in method, system and device

Technical field

The present invention relates to wireless communication technology field, refer to a kind of wireless data service cut-in method, system and device especially.

Background technology

In recent years, along with popularizing of mobile Internet (Mobile Internet) and smart mobile phone, the mobile data traffic demand rapidly increases.The mobile data services flow to be to increase by 1 times of speed increment every year according to statistics, it is predicted that mobile data services flow requirements in 2014 will reach 40 times in 2009.Mobile data services rapidly increase, and cause carrier network can't bear the heavy load, and it is professional also to have influenced the conventional telecommunications level, and operator need drop into more operation cost for the data service that rapidly increases year by year simultaneously.

Current mobile Internet technical application drives broadband wireless data service develop rapidly, particularly wireless data service and focuses mostly in hot zones such as city environment or indoor environment, is presented as nomadism scene.The design of traditional cellular mobile communication receives the restriction of the professional design of carrier class of high-speed mobile, seamless switching and high qos requirement; Generally more suitable for low speed data; When the carrying hot zones is in the high-speed data service of static or nomadic environment; Then exist efficiency of transmission low, realize drawbacks such as cost height, the access and the transmission demand of the wireless data service of a large amount of high speed data transfer that are difficult to satisfy the demand.

In order to satisfy the access demand that wireless data service inserts, mobile operator generally adopts following two kinds of solutions at present:

Scheme one: adopt WLAN (Wireless Local Area Network, WLAN) access of realization wireless data service based on unauthorized frequency range.

Adopt the wlan system of unauthorized frequency range; Also claim Wireless Fidelity (Wireless Fidelity; WiFi) system; Carry out hot zones and cover, realize that it mainly adopts wlan system and the loose coupling of 3G system to be implemented in the core net authentication and the charging of 3G system to the shunting of the wireless data service access of hot zones.When the existing WiFi of employing realizes that wireless data service inserts the Internet (Internet), cellular network or dedicated network; User terminal is through wireless local network connecting point (Access Point; AP), (Access Controller AC) inserts in the above-mentioned network wireless local net access controller.

Adopt WiFi to carry out the hot zones data service and insert shunting; Though satisfied the demand that wireless data service inserts to a certain extent; But because that the WiFi employing is unauthorized industrial scientific medical (Industrial Scientific Medical; ISM) frequency range, link-quality can not be guaranteed; Adopt this access way; May disturb with various devices such as personal WiFi, microwave ovens, because its working frequency range is unauthorized frequency range, a plurality of operators are when the same area networking simultaneously; If there is not good coordinating and unifying planning; Also can disturb each other,, cause poor user experience influencing the data service quality;

Because WiFi is different standards systems with the cellular network employing; Poor with existing cellular technology amalgamation; Usually the network that needs the manual selection of user to insert is difficult to realize professional taking over seamlessly between two Access Networks, and mobile operator need dispose 2 cover networks simultaneously; Relevant terminal also need adopt dual-mode terminal, increases network operation and subscriber equipment cost inputs.

Scheme two: adopt Home eNodeB to realize that wireless data service inserts.

Short according to the indoor environment coverage distance, the characteristics that number of users is few reduce capacity requirement and the merit emissivity at single station and the Home eNodeB (Femto) that is provided with; Be the another kind shunting scheme that the hot zones wireless data service is inserted, when adopting Home eNodeB to realize that wireless data service inserts, subscriber equipment (User Equipment; UE) through Home eNodeB (Homee Node B; HeNB), femto gateway (Homee Node BGateway, HeNB GW) because Home eNodeB will satisfy the access needs of normal portable terminal; Basically the system configuration and the protocol stack structure of the base station in the cellular network have been inherited on its framework; Also be more suitable, when the carrying hot zones is in the high-speed data service of static or nomadic environment, then exist efficiency of transmission low for low speed data; Realize drawbacks such as cost height, the access and the transmission demand of the wireless data service of a large amount of high speed data transfer that are difficult to satisfy the demand.

Summary of the invention

The embodiment of the invention provides a kind of wireless data service cut-in method, system and device; Exist the wireless data service access way can't satisfy a large amount of high speed data transfer demands of wireless data service in order to solve in the prior art, efficiency of transmission is low, the high problem of the complicated cost of realization.

A kind of access node comprises: radio-frequency module and radio link control rlc layer processing module;

Radio-frequency module, after the wireless data service request that is used to accept initiate at the data service terminal, mutual through radio open and data service terminal carrying out service data and traffic signaling;

Said rlc layer processing module, it is mutual with traffic signaling to be used for carrying out business datum through network interface and the external network that wireless data service service is provided, with said data service terminal access external network.

A kind of data service terminal comprises:

Radio-frequency module is used for setting up Radio Link with said access node and is connected, and inserts request to the wireless data service that said access node is initiated, and inserts external network through said access node; And through radio open and access node carry out business datum and traffic signaling mutual.

A kind of wireless data service connecting system comprises: access node and data service terminal;

Said access node, after the wireless data service that is used to accept to initiate at the data service terminal inserts request, mutual through radio open and data service terminal carrying out service data and traffic signaling; And it is mutual with traffic signaling to carry out business datum through network interface and the external network that wireless data service service is provided, and realizes said data service terminal access external network;

Said data service terminal is used for setting up Radio Link with said access node and is connected, and inserts request to the wireless data service that said access node is initiated, and inserts external network through said access node; And through radio open and access node carry out business datum and traffic signaling mutual.

A kind of access node gateway comprises:

Interface module is used to receive data-signal and/or the signaling-information that the access node encapsulation is sent;

Modular converter is used for data-signal and/or signaling-information that the access node that receives sends are carried out format conversion, and converting cellular network interface into can the recognition data form.

A kind of wireless data service cut-in method comprises:

Access node is accepted the data service terminal and self is set up Radio Link and be connected the wireless data service of initiating the back and insert request;

Mutual through radio open and data service terminal carrying out service data and traffic signaling, through network interface and said external network carry out business datum and traffic signaling mutual, realize external network is inserted at said data service terminal.

Beneficial effect of the present invention is following:

Since in the prior art traditional cell mobile communication systems mainly towards be high-speed mobile; The professional design of the carrier class of seamless switching; Be applicable to the transmission of low speed data, when it carries the high-speed data of wireless data service of big flow, exist efficiency of transmission on the low side with high mobility; Some drawbacks such as the realization cost is too high; And adopt WiFi and Home eNodeB can not well solve this difficult problem, inventor of the present invention notices simultaneously: based on the wireless data service user be generally fixing perhaps very low speed move, less demanding to mobility; And it is professional that wireless data service is mainly IP-based Internet, more single to the requirement of QoS, and well below of the requirement of carrier class business to QoS.In order to solve this difficult problem; Scheme of the present invention is after the data service request of accepting the portable terminal initiation; The business datum and the traffic signaling at the Data Receiving data service terminal that the radio-frequency module that is comprised by an access node sends through radio open, and be sent to external network through the data network interface after with the data encapsulation that receives by its rlc layer processing module.

Above-mentioned implementation only only needs to adopt some basic radio frequencies to send and the rlc layer processing capacity; And can realize the advantages of simplicity and high efficiency transfer of data based on the key technology of LTE physical layer, MAC layer, satisfy indoor and the access demand hot zones wireless data service through the simple network architecture.

This implementation has been simplified connecting system and corresponding access node apparatus framework; Effectively reduce that wireless data service inserts the cost input; The demand that can make operator under low cost, provide a large amount of wireless data services to insert for the user who increases has solved in the prior art wireless data service and has inserted that the system architecture that exists is complicated, access process is numerous and diverse, efficiency of transmission is low, realize the high difficult problem of cost.

This implementation is improved on the basis of existing LTE system protocol framework, makes itself and existing cellular network have better compatibility, is convenient to take over seamlessly, and user experience is better.

Description of drawings

Fig. 1 is the structural representation of wireless data service connecting system in the embodiment of the invention;

Fig. 2 is the protocol stack structure sketch map that access node adopts in the embodiment of the invention one;

Fig. 3 is the structural representation of access node in the embodiment of the invention one;

Fig. 4 is the structural representation at data service terminal in the embodiment of the invention one;

Fig. 5 is the protocol stack structure sketch map that access node adopts in the embodiment of the invention two;

Fig. 6 is the structural representation of access node in the embodiment of the invention two;

Fig. 7 is the structural representation of access node gateway in the embodiment of the invention two;

Fig. 8 is the structural representation of base station in the embodiment of the invention three;

Fig. 9 is the structural representation of portable terminal in the embodiment of the invention three;

Figure 10 is the flow chart of wireless data service cut-in method in the embodiment of the invention four;

Figure 11 is the flow chart of wireless data service cut-in method in the embodiment of the invention five;

Figure 12 is the flow chart of wireless data service cut-in method in the embodiment of the invention six;

Figure 13 is the flow chart that data service terminal access state switches in the embodiment of the invention seven.

Embodiment

Be generally fixing or move according to the data service user of hot zones such as indoor environment and city environment relative to low speed; To the less demanding characteristics of mobility; And data service is mainly IP-based the Internet (Internet) business; Requirement to service quality (QoS) is also more single, well below the requirement of the real-time business of carrier-class to QoS.These characteristics based on the data service access; The embodiment of the invention provides a kind of wireless data service connecting system; Undergo technological transformation based on existing cellular mobile communication technology; Make it satisfy Hypomobility, low QoS, low-cost wireless data service access demand, be applicable to that wireless data service static or that herd the high-speed data service of trip environment inserts.This system configuration is as shown in Figure 1, comprising: access node (Access Node, AN) 10 with plurality of data service terminal 20.

Access node 10, after the wireless data service that is used to accept to initiate at data service terminal 20 inserts request, through radio open and data service terminal 20 carry out business datum and traffic signaling mutual; And it is mutual with traffic signaling to carry out business datum through network interface and the external network that wireless data service service is provided, and realizes data service terminal 20 access external networks.Wherein, external network comprises cellular network, dedicated network and the Internet (Internet) network etc.It is similar and the 3GPP agreement that radio open is specially employing, with the wireless air interface of eating dishes without rice or wine to have compatibility of 3GPP agreement.

Data service terminal 20 is used for setting up Radio Link with access node 10 and is connected, and to the wireless data service access request that access node 10 is initiated, inserts external networks through access node 10; And through radio open and access node 10 carry out business datum and traffic signaling mutual.The data service terminal can comprise personal computer (PC), handheld terminal, home electronics, portable terminal etc.

Preferably, above-mentioned access node 10 also is used for: establish a communications link with external network, and the access configuration information of broadcasting external network, specifically comprise:

When external network is cellular network, after establishing a communications link with cellular network, obtains cellular network and issue the access configuration information, and the access configuration information of the cellular network that gets access to of broadcasting.

When external network is IP-based Internet and dedicated network, detect the signal strength signal intensity that self belongs to each frequency in the environment, according to the access configuration information and the broadcasting of detected signal strength signal intensity configuring external network.

Preferably, above-mentioned data service terminal 20 also is used for: the synchronizing signal of search access node 10, set up synchronously with access node 10; And the access configuration information that obtains the external network of access node 10 broadcasting, set up Radio Link with access node 10 and be connected.

Preferably, wireless data service connecting system as shown in Figure 1 also comprises access node gateway (AccessNode Gateway, AN-GW) 30.Optional, above-mentioned access node 10 can establish a communications link through access node gateway 30 and external network.

Preferably, when external network was cellular network, above-mentioned access node 10 established a communications link through access node gateway 30 and external network.Access node gateway 30 is used to receive business datum and/or traffic signaling that the access node encapsulation is sent, and converting cellular network interface into can the recognition data form, sends to cellular network.

That is to say that in the system shown in Figure 1, external network can directly be inserted through access node in the data service terminal, also can pass through access node, inserts external network through the access node gateway.

Realize well merging and level and smooth switching in order to insert with existing cellular network; Said system is improved on the basis of original cellular network access technology; Access node adopts and eats dishes without rice or wine and the data terminal interactive information; Adopt the S1 interface and the external network interactive information of IP agreement or simplification, and on Key Technologies Design such as physical layer, MAC layer with in the cellular network, keep compatible.

Embodiment one:

In the wireless data service connecting system that the embodiment of the invention one provides, external network is directly inserted through access node 10 in data service terminal 20.This access way generally more is applicable to the situation of data service terminal through access node access Internet network and dedicated network.When adopting this access way, the protocol stack structure that access node 10 adopts is as shown in Figure 2.Wherein:

This protocol stack structure comprises physics (PHY) layer, medium access control (the MediaAccess Control that adopts air protocol; MAC) layer, radio link control (Radio Link Control; RLC) layer be embedded in radio resource control (the Radio Resource Control in the MAC layer; RRC) layer realizes that through rlc layer wireless data service inserts.

Wherein, physical layer realizes the coding and decoding of business datum and traffic signaling, modulation, and multi-antenna transmitting is defeated, functions such as link circuit self-adapting and re-transmission.

At up direction, physical layer is transferred to radio-frequency module with the business datum of MAC layer and traffic signaling etc. and sends, and down direction receives the packet that the back forms the MAC layer with the radiofrequency signal that radio-frequency module receives.In order to reduce the equipment cost of access node; Improve data transmission efficiency; Be fit to indoor transfer of data, the physical layer of former relatively cellular network technologies can be done following simplification: as reducing the defeated pattern of multi-antenna transmitting; Dispose bigger measurement and feedback cycle, configuration control channel and reference symbol still less etc.

The MAC layer is mainly realized the functions such as group (tearing open) bag, scheduling, transmission and re-transmission of packet etc.Conventional cellular network is technological relatively, and the MAC layer can be simplified: simplify QoS control, the priority control of original more complicated, simplify the complexity of user's dispatching algorithm and scheduling process, simplify access control process etc.Generally in order to keep the compatibility with existing cellular network, the MAC layer adopts and the identical pack arrangement of pack arrangement that has LTE agreement regulation now, or the MAC layer of stipulating with the LTE agreement is identical.

Rlc layer is mainly realized the packet segmentation, and the function of the rlc layer in function such as cascade, affirmation and re-transmission and the former cellular network technologies is basic identical.

Rrc layer is one and simplifies RRC (mini-RRC) layer, is to be embedded in MAC layer service data unit (Service Data Unit, the radio resource in SDU).Rrc layer is realized the control of basic Radio Link and the management function of Radio Resource, and can comprise necessary network attached storage (NetworkAttached Storage, NAS) signaling process.Rrc layer in the former relatively cellular network technologies can be removed like functions such as Inter-RAT switching, MBMS, simplify greatly as system information broadcast information transmit-receive, the measurement of various cell signal and report, function such as paging.

The structure of access node is as shown in Figure 3, comprising: radio-frequency module 101 and rlc layer processing module 104.Wherein:

Radio-frequency module 101, after the wireless data service request that is used to accept initiate at the data service terminal, mutual through radio open and data service terminal carrying out service data and traffic signaling.

Rlc layer processing module 104, it is mutual with traffic signaling to be used for carrying out business datum through network interface and the external network that wireless data service service is provided, with data service terminal access external network.

Above-mentioned radio-frequency module 101 also is used for: after rlc layer processing module 104 and external network establish a communications link, and the access configuration information of broadcasting external network.

Preferable, rlc layer processing module 104 specifically is used for through self network interface directly mutual with external network realization business datum and traffic signaling; Or through self network interface, access node gateway that warp is provided with and external network realization business datum and traffic signaling are mutual.

That is to say, above-mentioned radio-frequency module 101 realize being connected with the radio communication of wireless data terminal with information such as data, signaling alternately.Rlc layer processing module 104 realizes being connected with the mutual of external network, when itself and external network are realized information interaction, adopts the data transfer mode based on the IP agreement, adopts IP protocol encapsulation packet.

Above-mentioned access node also comprises: physical layer process module 102, carry out business datum with radio-frequency module 101 and traffic signaling mutual, be used for to business datum and the traffic signaling that receives carry out coding and decoding, modulation is handled.

Preferably, 102 pairs of business datums of above-mentioned physical layer process module and traffic signaling carry out encoding and decoding, when modulation is handled, the physical layer of LTE consensus standard are revised one of following function or combination:

Reduce the defeated pattern of multi-antenna transmitting, the measuring period that configuration is bigger, feedback cycle, configuration control channel and the configuration reference symbol still less still less that configuration is bigger.

Above-mentioned access node also comprises: MAC layer processing module 103, carry out business datum with physical layer process module 102 and traffic signaling mutual, be used for the business datum and the traffic signaling that receive are carried out access control, scheduling controlling and transmission control.Generally in order to keep the compatibility with existing cellular network, MAC layer processing module used and the identical pack arrangement of pack arrangement that has LTE agreement regulation now, or the MAC layer processing module of stipulating with the LTE agreement is identical.

Preferably, above-mentioned MAC layer processing module 103 carried out access control, scheduling controlling and transmission control to business datum and traffic signaling, and the MAC layer of LTE consensus standard is revised one of following function or combination:

Reduced mass service QoS control procedure, the priority control procedure of simplifying, simplification user's dispatching algorithm and simplification access control process.

Above-mentioned access node also comprises: be embedded in the radio resource control rrc layer processing module 105 in the MAC layer processing module 103, be used for that to carry out traffic signaling mutual with MAC layer processing module, realize Radio Link control and RRM.

Preferably, above-mentioned rrc layer processing module 105 is revised one of following function or combination to the rrc layer of LTE consensus standard when Radio Link control and RRM:

Reduce network attached storage NAS signaling process process, simplify the process that inserts at random, the process of simplifying access control, simplified system information broadcast process, simplified system information transmit-receive process, simplify process that cell signal measures, reduce the configuration information that reports, reduce the paging information, removal (the Inter RadioAccess Technology that report; Inter-RAT) handoff functionality, removal multimedia broadcast multi-broadcasting business (MultimediaBroadcast Multicast Service, MBMS) function.

Access point apparatus comprises above-mentioned rlc layer processing module 104, carries out service data interaction with MAC layer processing module 103, is used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process.

The structure at data service terminal is as shown in Figure 4, comprising: radio-frequency module 201, and be used for setting up Radio Link and be connected, and insert request to the wireless data service that access node is initiated with access node, insert external network through access node; And through radio open and access node carry out business datum and traffic signaling mutual.

Above-mentioned data service terminal also comprises: physical layer process module 202, carry out business datum with radio-frequency module 201 in the data service terminal and traffic signaling mutual, be used for to business datum and the traffic signaling that receives carry out coding and decoding, modulation is handled.

202 pairs of business datums of physical layer process module in the data service terminal and traffic signaling carry out encoding and decoding, when modulation is handled, the physical layer of LTE consensus standard are revised one of following function or combination:

Preferable, above-mentioned physical layer process module 202 also is used for: through the synchronizing signal of radio-frequency module 201 search access nodes, set up synchronously with access node; And the access configuration information that obtains the external network of access node broadcasting, set up Radio Link with access node and be connected.Specifically, whether be synchronizing signal and carry out handled by 202 identifications of physical layer process module by radio-frequency module 201 search signal.

Above-mentioned data service terminal also comprises: MAC layer processing module 203, carry out business datum with physical layer process module 202 and traffic signaling mutual, be used for the business datum and the traffic signaling that receive are carried out access control, scheduling controlling and transmission control.Generally in order to keep the compatibility with existing cellular network, MAC layer processing module used and the identical pack arrangement of pack arrangement that has LTE agreement regulation now, or the MAC layer processing module of stipulating with the LTE agreement is identical.

Preferably, above-mentioned MAC layer processing module 203 carried out access control, scheduling controlling and transmission control to business datum and traffic signaling, and the MAC layer of LTE consensus standard is revised one of following function or combination:

Above-mentioned data service terminal also comprises: be embedded in the rrc layer processing module 205 in the MAC layer processing module, be used for that to carry out traffic signaling mutual with MAC layer processing module 203, realize Radio Link control and RRM.

Above-mentioned rrc layer processing module 205 is revised one of following function or combination to the rrc layer of LTE consensus standard when Radio Link control and RRM:

The process of the process of minimizing network attached storage NAS signaling process process, the process of simplifying access at random, simplification access control, simplified system information broadcast process, simplified system information transmit-receive process, the measurement of simplification cell signal, the reduce configuration information that reports, paging information, removal inter-RAT handoff functionality, the removal MBMS function that minimizing reports.

Above-mentioned data service also comprises in the terminal: rlc layer processing module 204, carry out service data interaction with MAC layer processing module, and be used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process.

Above-mentioned data service also comprises in the terminal: also comprise: application layer module 206 is used for business datum loaded service data are presented to the user.

Embodiment two:

The wireless data service connecting system that the embodiment of the invention two provides, external network is inserted through access node 10 and access node gateway 30 in data service terminal 20.

The protocol stack structure that access node 10 adopts is as shown in Figure 5.This protocol stack structure comprises physics (PHY) layer, medium access control (MAC) layer, radio link control (RLC) layer that adopts air protocol and is embedded in radio resource control (RRC) layer in the MAC layer, realizes that through rlc layer wireless data service inserts.The concrete function of each layer is referring to the description of embodiment one.

This protocol stack structure also comprises: simplify S1 (Mini S1) interface, and mutual with access node gateway realization business datum and traffic signaling.

Simplify the S1 interface and can realize some basic functions that the S1 interface can be realized in the prior art; Comprise radio bearer management, context management, simple configuration management etc.; Simultaneously; Some functions that wireless data service inserts unwanted former S1 interface have been cancelled, lining such as handoff functionality, paging function, CDMA 2000 tunnelling functions, positioning function, g-load equalization function etc.

The S1 interface sends packet from the protocol encapsulation of the S1 interface selection of adopting after simplifying to the access node gateway is simplified in use; By the access node gateway Data Format Transform is resolved and realized to the packet of simplifying the transmission of S1 interface; Converting the former S1 interface that meets cellular network technologies into can the recognition data bag, makes that so a plurality of access nodes can a shared access node gateway.With respect to for the S1 interface directly is set in the access node, further simplified the structure of access node, practiced thrift the equipment cost input.

The structure of the access node 10 that the embodiment of the invention two provides is as shown in Figure 6, comprising: radio-frequency module 101, physical layer process module 102, MAC layer processing module 103, rlc layer processing module 104 and be embedded in the rrc layer processing module 105 in the MAC layer processing module 103.

Preferably, this access node 10 also comprises interface module 106.

Interface module 106 is used for when external network is cellular network, and the business datum of rlc layer processing module 104 transmissions, the traffic signaling that rrc layer sends are encapsulated, and sends to cellular network; And be transferred to rlc layer processing module 104 after the business datum that the cellular network that receives sends resolved, after resolving, the traffic signaling that the cellular network that receives is sent is transferred to rrc layer processing module 105.

Preferably, above-mentioned interface module 106 specifically is used for: realize radio bearer management, context management, and according to selected tunneling signal is carried out data encapsulation; Wherein, selected tunneling has carried out one of following modification or combination to cellular network S1 interface accepted standard agreement:

Cancellation handoff functionality, cancellation paging function, cancellation CDMA2000 (Code Division MultipleAccess 2000) tunnelling function, cancellation positioning function, cancellation g-load equalization function.

The structure of access node gateway 30 is as shown in Figure 7, comprising: interface module 301 and modular converter 302.

Interface module 301 is used to receive business datum and/or the traffic signaling that access node sends.

Modular converter 302 is used for data-signal and/or signaling-information that the access node that receives sends are carried out format conversion, and converting cellular network interface into can the recognition data form, and sends to external network.

Shown in Figure 4 with among the embodiment one of the protocol stack structure that adopt at data service terminal 20 shown in Figure 2 with among the embodiment one, the structure at data service terminal repeats no more here.

Access node that the foregoing description two provides and access node gateway are applicable to that mainly wireless data service inserts cellular network; And can an access node gateway is set realize Data Format Transform to a plurality of access nodes, further simplify the structure of access node.

Embodiment three:

The wireless data service connecting system that the embodiment of the invention three provides is integrated in the function of access node in the base station of existing cellular network, and the function at data service terminal is integrated in the existing portable terminal.

The structure of the base station after integrated is as shown in Figure 8; Its air interface part is except comprising what existing base station comprised: former radio-frequency module 401, original physical layer processing module 402, former MAC layer processing module 403, former rlc layer processing module 404, former PDCP layer processing module 405, the former rrc layer processing module 406, also comprise a new MAC layer processing module 407.

The function of this MAC layer processing module 407 and the MAC layer processing module in the foregoing description one are accomplished identical functions and also can have been embedded the rrc layer processing module.Different is that this MAC straton module 407 and base station original MAC layer module 403 are also deposited, and shared original physical processing layer module 402 and rlc layer processing module 404; In addition, when the frequency of radio-frequency module is identical, can also select shared former radio-frequency module 401.

Base station shown in Figure 8; Its network interface part is except the former S1 interface 408 that comprises that comprises original base station, former transport layer, original physical layer; Also comprise a new interface module; Promptly simplify S1 interface module 409, also can comprise new physical layer and transport layer, or with former S1 interface 408 shared physical layer and transport layers.

Realize the access of cellular network patterns through above-mentioned former radio-frequency module 401, original physical layer processing module 402, former MAC layer processing module 403, former rlc layer processing module 404, former PDCP layer processing module 405, former rrc layer processing module 406, former S1 interface module 408.It adopts existing cellular network technologies to realize, meets the existing LTE consensus standard, repeats no more here.

Through above-mentioned former radio-frequency module 401, original physical layer processing module 402, MAC layer processing module 407, former rlc layer processing module 404, simplify the access that S1 interface module 409 realizes wireless data services.Make this base station can satisfy the transmission demand of low speed data of the mobile communication of high translational speed, high QoS and high security, also can satisfy the access demand of high-speed data of the wireless data service of low translational speed, low relatively QoS and low-security.

The structure of the portable terminal after integrated is as shown in Figure 9; Its air interface part is except comprising what existing portable terminal comprised: former radio-frequency module 501, original physical layer processing module 502, former MAC layer processing module 503, former rlc layer processing module 504, former PDCP layer processing module 505, former rrc layer processing module 506, the former application layer module 507, also comprise a new MAC layer processing module 508 and a new application layer module 509.

The function of this MAC layer processing module 508 and the MAC layer processing module in the foregoing description one are accomplished identical functions and also can have been embedded the rrc layer processing module.Different is that this MAC layer processing module 508 and the original MAC layer of portable terminal processing module 503 are also deposited, and shared physical layer process module 502 and rlc layer module 504; In addition, when the frequency of radio-frequency module is identical, can also select shared former radio-frequency module 501.

This application layer module 509 is used for appearing to the user related data information of wireless data service.

Realize the access of cellular network patterns through above-mentioned former radio-frequency module 501, original physical layer processing module 502, former MAC layer processing module 503, former rlc layer processing module 504, former PDCP layer processing module 505, former rrc layer processing module 506, former application layer module 507.It adopts existing cellular network technologies to realize, meets the existing LTE consensus standard, repeats no more here.

Realize the access of wireless data services through above-mentioned former radio-frequency module 501, original physical layer processing module 502, MAC layer processing module 508, former rlc layer processing module 504, application layer module 509.Make this portable terminal can satisfy the transmission demand of low speed data of the mobile communication of high translational speed, high QoS and high security, also can satisfy the access demand of high-speed data of the wireless data service of low translational speed, low relatively QoS and low-security.

Can certainly directly the access node among embodiment one and two be arranged in the base station as a device, the data service terminal among embodiment one and two is arranged in the portable terminal as a device.

Base station that the foregoing description three provides and portable terminal can realize that existing cellular network inserts and the access demand of two kinds of patterns of wireless data service access; Because it adopts protocol stack structure based on identical design basis; Have compatibility preferably, therefore be convenient to portable terminal and between two kinds of access modules, switch.

That is to say that the access node that the foregoing description one, two, three provides can be provided with separately, also can merge setting, as a supplementary functions of existing cellular system base station with existing base station.Same, the data service terminal that the foregoing description one, two, three provides can be provided with separately, also can merge with existing portable terminal to be provided with, as a supplementary functions of existing portable terminal.Because access node can merge design with existing cellular system base station, shares physical layer and MAC layer, shared rlc layer etc.; And physical layer and MAC layer, shared rlc layer etc. also can be shared with the integrated design of existing portable terminal in the data service terminal; Portable terminal can be realized single mode, the design of single card basically, thereby can further save cost, simultaneously, also than the switching that is easier to realize two kinds of access modules, helps professional and the load coordination, improves application flexibility and user's perceptibility.

Embodiment four:

The embodiment of the invention four provides a kind of wireless data service cut-in method, adopts wireless data service connecting system as shown in Figure 1 to realize that wireless data service inserts, and this method flow is shown in figure 10, comprises the steps:

Step S11: access node is accepted the data service terminal and self is set up Radio Link and be connected the wireless data service of initiating the back and insert request.

The data service terminal is through the synchronizing signal of search access node; Accomplish synchronously with access node; Read the access configuration information of the external network of access node broadcasting then; According to inserting the relevant parameter of system's access that configuration information obtains external network, reside in then in the sub-district of access node.After data service terminal and access node are set up Radio Link and be connected, can send out its wireless data service to access node and insert request, the wireless data service that the request external network provides inserts.

Step S12: it is mutual that access node passes through radio open and data service terminal carrying out service data and traffic signaling.

Realize that through radio open business datum and traffic signaling are mutual between access node and the data service terminal, its data format meet the 3GPP consensus standard or with have compatibility according to the 3GPP consensus standard.

The flow process of access node and the data interaction of data service terminal carrying out service comprises:

The radio-frequency module that access node or business datum terminal comprise through self receives business datum; Business datum is offered the physical layer process module, the processing of MAC layer processing module, the rlc layer processing module that self comprise in order to be handled; After business datum after the rlc layer processing module will be handled offers the processing of MAC layer processing module, physical layer process resume module in order, offer said radio-frequency module and send.

The flow process of access node and data service terminal carrying out service Signalling exchange comprises:

The radio-frequency module that access node or business datum terminal comprise through self receives traffic signaling; Traffic signaling is offered the physical layer process module, the MAC layer processing module that self comprise in order handle, be embedded in the rrc layer processing module processing in the MAC layer processing module; After traffic signaling after the rrc layer processing module will be handled offers the processing of MAC layer processing module, physical layer process resume module in order, offer radio-frequency module and send.

Step S13: access node carry out business datum through network interface and external network and traffic signaling mutual, realize external network is inserted at the data service terminal.

Access node is transmitted to external network with business datum and the traffic signaling that the data service terminal sends to external network through network interface, and passes through business datum and traffic signaling that network interface receives external network, is given to the data service terminal through eating dishes without rice or wine.

Embodiment five:

The wireless data service cut-in method that the embodiment of the invention five provides; External network is inserted through access node and access node gateway in the data service terminal; This method is applicable to that external network is the situation of cellular network, and this method flow is shown in figure 11, comprises the steps:

Step S101: access node and external network establish a communications link.

After the access node start, through connecting and communication process between access node gateway and the cellular network core net.From core net, obtain the parameter information of core net configuration, when external network is cellular network, after access node and cellular network establish a communications link, obtains cellular network and issue the access configuration information.Insert power that configuration information comprises distribution and frequency point information etc., accomplish access parameter and dispose.

That is to say that access node receives the interior information such as transmission parameter of frequency, power and prescribed limit of the use of network side configuration.

Step S102: the access configuration information of access node broadcasting external network.

Access node can be according to the access configuration information of the periodic broadcasting external network of setting, and confession data service terminal searching obtains and uses.

Step S103: the synchronizing signal of data service terminal searching access node, accomplish synchronously with access node.

Behind the business datum starting up of terminal, search for self and belong to the synchronizing signal that has or not access node in the environment, when searching synchronizing signal, set up synchronously, comprise the synchronous of time and other various information with the access node that sends synchronizing signal.

Step S104: the data service terminal obtains the access configuration information of the external network of access node broadcasting, and request is set up Radio Link with access node and is connected.

After business datum terminal and access node are accomplished synchronously, the access configuration information of the external network of reading of data service terminal broadcasting.From insert configuration information, obtain system's access parameter of external network, realize residing in the sub-district of access node.

Step S105: the data service terminal is initiated wireless data service and is inserted request.

After the data service terminal resides in the sub-district of access node, can initiate wireless data service at any time and insert request.The data service terminal can be triggered wireless data service through its application layer and inserted request, initiates wireless data service and inserts at random.

Above-mentioned steps S103-step S105 has realized that the wireless data service that initiate according to the access configuration information that obtains at the data service terminal inserts request.

Step S106: the wireless data service that access node is accepted to initiate at the data service terminal inserts request.

The RRC agreement of the simplification of passing through between the access node of the protocol stack after employing is simplified and the data service terminal is accomplished Radio Link foundation and authentication and registration, and the realization access node is accepted the wireless data service access request of data service terminal initiation.

Step S107: it is mutual that access node passes through radio open and data service terminal carrying out service data and traffic signaling.

After data service terminal and access node are set up Radio Link and are connected; Insert external network through access node and access node gateway; The business datum of beginning wireless data service and the transport communication of traffic signaling specifically have compatible agreement through the radio open realization according to the 3GPP agreement or with the 3GPP agreement.

Step S108: access node carry out business datum through network interface and external network and traffic signaling mutual.

Access node is transmitted mutual business datum and traffic signaling between data service terminal and the external network through network interface, thereby has realized through access node and access node gateway external network being inserted at the data service terminal.

Above-mentioned steps S106-step S108 has realized that access node inserts external network with the data service terminal.And when external network is cellular network, external network is inserted at the data service terminal, specifically comprises through the access node gateway:

The interface module that comprises in the access node with the encapsulation of business datum and/or traffic signaling after, send to the access node gateway; The access node gateway is business datum and/or traffic signaling, and converting cellular network interface into can the recognition data form, sends to cellular network.

Step S109: when data service terminal log-down wireless data service inserts, discharge air-link resources, disconnection is connected with external network.

After the data service communication requirement is accomplished at the data service terminal, discharge air-link resources, disconnection is connected with access node, access node gateway and external network, finishes this wireless data service access procedure.

Five kinds of the foregoing descriptions, access node adopts the mode that the external network configuration parameter is arranged, i.e. the mode of operator's control.The basic transmission parameter that access node uses under this mode through the access node gateway, sends to data service terminal through the simplification S1 of access node interface by external network.This mode is applicable to the situation of data service terminal through access node access cellular network.

Embodiment six:

The wireless data service cut-in method that the embodiment of the invention six provides, external network is directly inserted through access node in the data service terminal, and this method flow is shown in figure 12, comprises the steps:

Step S201: access node detects the signal strength signal intensity that self belongs to each frequency in the environment.

When external network is IP-based Internet and dedicated network, after the access node start, establish a communications link, detect the signal strength signal intensity that self belongs to each frequency in the environment with external network.

Step S202: according to the access configuration information of detected signal strength signal intensity configuring external network.

Select power and frequency point information etc. to accomplish the configuration that inserts configuration information voluntarily according to detected signal strength signal intensity.That is to say that access node disposes the information such as transmission parameter in the frequency of use, power and the prescribed limit voluntarily, general access node selects to insert the various parameters in the configuration information according to testing result in the permissible range that sounding does not disturb as far as possible.

Step S203: the access configuration information of access node broadcasting external network.

Step S204: the synchronizing signal of data service terminal searching access node, accomplish synchronously with access node.

Step S205: the data service terminal obtains the access configuration information of the external network of access node broadcasting, and request is set up Radio Link with access node and is connected.

Step S206: the wireless data service that initiate at the data service terminal inserts request.

Above-mentioned steps S204-step S206 has realized that the wireless data service that initiate according to the access configuration information that obtains at the data service terminal inserts request.

Step S207: the wireless data service that access node is accepted to initiate at the data service terminal inserts request.

Step S208: it is mutual that access node passes through radio open and data service terminal carrying out service data and traffic signaling.

After data service terminal and access node are set up Radio Link and are connected; Insert external network through access node; The business datum of beginning wireless data service and the transport communication of traffic signaling specifically have compatible agreement through the radio open realization according to the 3GPP agreement or with the 3GPP agreement.

Step S209: access node carry out business datum through network interface and external network and traffic signaling mutual, external network is inserted at the data service terminal.

Access node is transmitted mutual business datum and traffic signaling between data service terminal and the external network through network interface, thereby has realized through access node external network being inserted at the data service terminal.

Above-mentioned steps S207-step S209 has realized that access node inserts external network with the data service terminal.And when external network is cellular network, external network is inserted at the data service terminal through the access node gateway,

Step S210: when data service terminal log-down wireless data service inserts, discharge air-link resources, disconnection is connected with external network.

The foregoing description six access nodes adopt user's mode of configuration parameter voluntarily; Through detecting peripheral RST; Dispose and select the interior transmission parameter of used frequency, power and prescribed limit etc. voluntarily; Do not receive the restriction of the configuration of operator, this mode is applicable to that the data service terminal directly inserts the scene of Internet and dedicated network through access node.

Embodiment seven:

The wireless data service cut-in method that the embodiment of the invention seven provides realizes that the data service terminal inserts and carry out wireless data service through access node and insert taking over seamlessly of two kinds of access modules of external network in the cellular network pattern.

That is to say that data service terminal shown in Figure 1 can use the cellular network pattern to insert external network.When using the cellular network pattern to insert external network, when the own service message transmission rate drops to less than the rate-valve value of setting, the synchronizing signal of the access node in the search surrounding environment; Set up Radio Link according to synchronizing signal that searches and access node and be connected, realize switching to through access node 10 access external networks from using the cellular network pattern to insert external network.

The flow process of this data service terminal access state changing method is shown in figure 13, comprises the steps:

Step S301: the business datum service terminal uses the cellular network pattern to insert external network.

This data service terminal supporting cellular network schemer inserts and carries out wireless data service through access node and insert two kinds of mode of operations of external network.

Step S302: the message transmission rate of the wireless data service of monitor data service terminal.

When occurring other cellular network subscriber in the surrounding environment, especially the user can influence the message transmission rate of the wireless data service that adopts the access of cellular network pattern more usually.

Step S303: whether service data transmission rate is less than the rate-valve value of setting.

If, execution in step S304; Continue execution in step S302 otherwise return.

Rate-valve value is rule of thumb set according to the requirement of wireless data service to transmission rate.Generally should be able to ensure the normal data transfer of wireless data service, avoid long time delay.

Step S304: the synchronizing signal of the access node in the data service terminal searching surrounding environment.

When service data transmission rate when dropping to less than the rate-valve value set, the synchronizing signal of the access node in the data service terminal searching surrounding environment, how that detects environment Friday has or not access node and signal strength condition.

Step S305: set up Radio Link according to synchronizing signal that searches and access node and be connected.

When finding to have signal strength signal intensity to satisfy the access node of wireless data service transfer of data demand, realize that through detected access node wireless data service inserts.

Concrete access procedure is referring to the associated description of embodiment four, five, six.

Step S306: wireless data service is switched to through access node access external network from using the cellular network pattern to insert external network.

The data service terminal with the transfer of data of the wireless data service of passing through the realization of cellular network pattern originally, is transferred to through access node and is transmitted after realizing that through access node wireless data service gets involved.Strange case becomes wireless data service to insert in the access of cellular network pattern with through the conversion between two kinds of patterns of access node access.

Step S307: the data service terminal discharges the original link circuit resource that takies that is connected with cellular network.

This terminal discharges the link of cellular network and being connected of channel resource that took originally, realizes taking over seamlessly of two kinds of wireless data service access modules.

Above-mentioned wireless data service connecting system, method and relevant device that the embodiment of the invention provides; Cellular network protocols stack through to original LTE agreement improves; And keep the basic function of original protocol stack as far as possible; Satisfied equipment translational speed, QoS and security requirement lowlyer, but need transmit the access demand that the wireless data service of a large amount of high-speed datas inserts, solved prior art and can't satisfy the difficult problem that the wireless data service access demand increases day by day.

After the data service request of accepting the portable terminal initiation; The business datum and the traffic signaling at the Data Receiving data service terminal that the radio-frequency module that is comprised by an access node sends through radio open, and be sent to external network through the data network interface after with the data encapsulation that receives by its rlc layer processing module.Only only need to adopt some basic radio frequencies to send and the rlc layer processing capacity; And can realize the advantages of simplicity and high efficiency transfer of data based on the key technology of LTE physical layer, MAC layer; Satisfy indoor and the access demand hot zones wireless data service through the simple network architecture, realize simple, convenient.

This implementation has been simplified connecting system and corresponding access node apparatus framework; Effectively reduce that wireless data service inserts the cost input; The demand that can make operator under low cost, provide a large amount of wireless data services to insert for the user who increases; Effectively reduce the cost expense of data service, solved in the prior art wireless data service and inserted that the system architecture that exists is complicated, access process is numerous and diverse, efficiency of transmission is low, realize the high difficult problem of cost.

This implementation is improved on the basis of existing LTE system protocol framework; Reuse bottom key technologies such as cellular mobile communication physical layer, adopt protocol stack structure design identical with corresponding cellular system or that keep compatibility at radio-frequency module, physical layer, MAC layer, rlc layer etc.; Since with cellular network based on same standards system, make its and existing cellular network have better compatibility, be convenient to take over seamlessly, can reach higher network integration degree, raising system effectiveness and user experience effect.Existing cellular network technologies; More complicated on system architecture and the protocol stack design; Realize that cost is very high, this mode makes the data terminal user insert cellular mobile network, dedicated network or Internet network fast through simplifying framework, protocol stack design and the flow scheme design of cellular network; Reduced the complexity of operation and data processing, and possessed the amalgamation good with cell mobile communication systems.

Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.

Claims

1. an access node is characterized in that, comprising: radio-frequency module and radio link control rlc layer processing module;

2. access node as claimed in claim 1; It is characterized in that; Said rlc layer processing module; Specifically be used for directly realizing that with said external network business datum and traffic signaling are mutual, or through self network interface through self network interface, mutual through the access node gateway that is provided with and external network realization business datum and traffic signaling.

3. access node as claimed in claim 1 is characterized in that, also comprises:

The physical layer process module, carry out business datum with said radio-frequency module and traffic signaling mutual, be used for to business datum and the traffic signaling that receives carry out coding and decoding, modulation is handled.

4. access node as claimed in claim 3 is characterized in that, said physical layer process module is carried out encoding and decoding, when modulation is handled, the physical layer of LTE consensus standard revised one of following function or combination business datum and traffic signaling:

5. access node as claimed in claim 3 is characterized in that, also comprises:

Media access control MAC layer processing module, carry out business datum with said physical layer process module and traffic signaling mutual, be used for the business datum and the traffic signaling that receive are carried out access control, scheduling controlling and transmission control.

6. access node as claimed in claim 5 is characterized in that, said MAC layer processing module adopts and the identical pack arrangement that has LTE agreement regulation now.

7. access node as claimed in claim 5 is characterized in that, said MAC layer processing module when business datum and traffic signaling being carried out access control, scheduling controlling and transmission control, revised one of following function or combination to the MAC layer of LTE consensus standard:

8. access node as claimed in claim 5 is characterized in that, also comprises:

Be embedded in the radio resource control rrc layer processing module in the MAC layer processing module, be used for that to carry out traffic signaling mutual with said MAC layer processing module, realize Radio Link control and RRM.

9. access node as claimed in claim 8 is characterized in that, said rrc layer processing module is revised one of following function or combination to the rrc layer of LTE consensus standard when Radio Link control and RRM:

The process of the process of minimizing network attached storage NAS signaling process process, the process of simplifying access at random, simplification access control, simplified system information broadcast process, simplified system information transmit-receive process, the measurement of simplification cell signal, the reduce configuration information that reports, paging information, removal inter-RAT handoff functionality, the removal multimedia broadcast multi-broadcasting business MBMS function that minimizing reports.

10. access node as claimed in claim 8 is characterized in that, said rlc layer processing module is carried out service data interaction with said MAC layer processing module, is used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process.

11. access node as claimed in claim 10 is characterized in that, also comprises:

Interface module is used for when external network is cellular network, and the traffic signaling that the business datum of said rlc layer processing module transmission, said rrc layer are sent encapsulates, and sends to cellular network; And be transferred to said rlc layer processing module after the business datum that the cellular network that receives sends resolved, after resolving, the traffic signaling that the cellular network that receives is sent is transferred to said rrc layer processing module.

12. access node as claimed in claim 11 is characterized in that, said interface module specifically is used for: realize radio bearer management, context management, and according to selected tunneling signal is carried out data encapsulation; Said selected tunneling has carried out one of following modification or combination to cellular network S1 interface accepted standard agreement:

Cancellation handoff functionality, cancellation paging function, cancellation CDMA2000 tunnelling function, cancellation positioning function, cancellation g-load equalization function.

13. access node as claimed in claim 1 is characterized in that, said radio-frequency module also is used for:

After said rlc layer processing module and external network establish a communications link, the access configuration information of broadcasting external network.

14., it is characterized in that said access point apparatus is arranged in the base station of beehive network system like the arbitrary described access node of claim 1-13, with shared physical layer process module in said base station and rlc layer processing module.

15. a data service terminal is characterized in that, comprising:

16. data service as claimed in claim 15 terminal is characterized in that, also comprises:

17. data service as claimed in claim 16 terminal is characterized in that, said physical layer process module is carried out encoding and decoding, when modulation is handled, the physical layer of LTE consensus standard is revised one of following function or combination business datum and traffic signaling:

18. data service as claimed in claim 16 terminal is characterized in that, said physical layer process module also is used for:

Through the synchronizing signal that radio-frequency module is searched for said access node, set up synchronously with said access node;

Obtain the access configuration information of the external network of said access node broadcasting, set up Radio Link with said access node and be connected.

19. data service as claimed in claim 16 terminal is characterized in that, also comprises:

20. data service as claimed in claim 19 terminal is characterized in that, said MAC layer processing module adopts and the identical pack arrangement that has LTE agreement regulation now.

21. data service as claimed in claim 19 terminal; It is characterized in that; Said MAC layer processing module, when business datum and traffic signaling being carried out access control, scheduling controlling and transmission control, the MAC layer of LTE consensus standard is revised one of following function or combination:

22. data service as claimed in claim 19 terminal is characterized in that, also comprises:

23. data service as claimed in claim 22 terminal is characterized in that, said rrc layer processing module is revised one of following function or combination to the rrc layer of LTE consensus standard when Radio Link control and RRM:

24. data service as claimed in claim 22 terminal is characterized in that, also comprises:

Radio link control rlc layer processing module is carried out service data interaction with said MAC layer processing module, is used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process.

25. data service as claimed in claim 24 terminal is characterized in that, also comprises:

Application layer module is used for said business datum loaded service data are presented to the user.

26., it is characterized in that said data service terminal is arranged in the portable terminal that is applicable to cellular network like the arbitrary described data service of claim 15-25 terminal, with shared physical layer process module of portable terminal and rlc layer processing module.

27. a wireless data service connecting system is characterized in that, comprising: access node and data service terminal;

28. system as claimed in claim 27 is characterized in that, said access node also is used for:

Establish a communications link with external network, and the access configuration information of broadcasting external network, specifically comprise:

When said external network is cellular network, after establishing a communications link with said cellular network, obtains said cellular network and issue the access configuration information, and the access configuration information of the said cellular network that gets access to of broadcasting; Or

When said external network is IP-based Internet and dedicated network, detect the signal strength signal intensity that self belongs to each frequency in the environment, dispose said access configuration information and broadcasting according to detected signal strength signal intensity.

29. system as claimed in claim 28 is characterized in that, said access node specifically comprises:

Radio-frequency module, after the wireless data service request that is used to accept initiate at the data service terminal, mutual through radio open and data service terminal carrying out service data and traffic signaling; And establish a communications link the access configuration information of broadcasting external network in said rlc layer processing module and external network;

30. system as claimed in claim 29 is characterized in that, said access node also comprises:

The physical layer process module, carry out business datum with said radio-frequency module and traffic signaling mutual, be used for to business datum and the traffic signaling that receives carry out coding and decoding, modulation is handled;

Media access control MAC layer processing module, carry out business datum with said physical layer process module and traffic signaling mutual, be used for the business datum and the traffic signaling that receive are carried out access control, scheduling controlling and transmission control;

Be embedded in the radio resource control rrc layer processing module in the MAC layer processing module, be used for that to carry out traffic signaling mutual with said MAC layer processing module, realize Radio Link control and RRM;

Said rlc layer processing module is carried out service data interaction with said MAC layer processing module, also is used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process.

31. system as claimed in claim 30 is characterized in that, said access node also comprises:

32. system as claimed in claim 28 is characterized in that, said data service terminal also is used for:

Search for the synchronizing signal of said access node, set up synchronously with said access node;

33. system as claimed in claim 32 is characterized in that, said data service terminal specifically comprises:

34. system as claimed in claim 33 is characterized in that, said data service terminal also comprises:

Said rlc layer processing module is carried out service data interaction with said MAC layer processing module, also is used for the business datum that receives is carried out segmentation, cascade, affirmation, retransmission process;

35. system as claimed in claim 33 is characterized in that, said physical layer process module also is used for:

Through the synchronizing signal that said radio-frequency module is searched for said access node, set up synchronously with said access node;

36. system as claimed in claim 28 is characterized in that, also comprises: the access node gateway;

Said access node establishes a communications link through said access node gateway and external network;

The access node gateway is used for when said external network is cellular network, receives business datum and/or traffic signaling that the access node encapsulation is sent, and converting cellular network interface into can the recognition data form, sends to cellular network.

37. system as claimed in claim 36 is characterized in that, said access node gateway comprises:

Interface module is used to receive business datum and/or the traffic signaling that access node sends;

38., it is characterized in that said data service terminal also is used for like the arbitrary described system of claim 28-37: use the cellular network pattern to insert external network; And

When using the cellular network pattern to insert external network, when the own service message transmission rate drops to less than the rate-valve value of setting, the synchronizing signal of the access node in the search surrounding environment;

Set up Radio Link according to synchronizing signal that searches and access node and be connected, realize switching to through said access node access external network from using the cellular network pattern to insert external network.

39. an access node gateway is characterized in that, comprising:

40. a wireless data service cut-in method is characterized in that, comprising:

41. method as claimed in claim 40 is characterized in that, the wireless data service of accepting to initiate at the data service terminal inserts before the request, also comprises:

Said access node and external network establish a communications link, and the access configuration information of broadcasting external network;

The wireless data service that said access node is accepted to initiate according to the said access configuration information that obtains at the data service terminal inserts request.

42. method as claimed in claim 41 is characterized in that, said access node and external network establish a communications link, and the access configuration information of broadcasting external network, specifically comprise:

When said external network is cellular network, after said access node and said cellular network establish a communications link, obtains said cellular network and issue the access configuration information, and broadcast the access configuration information of the said cellular network that gets access to; Or

When said external network was IP-based Internet and dedicated network, said access node detected the signal strength signal intensity that self belongs to each frequency in the environment, disposed said access configuration information and broadcasting according to detected signal strength signal intensity.

43. method as claimed in claim 41 is characterized in that, the wireless data service that initiate according to the said access configuration information that obtains at said data service terminal inserts request, specifically comprises:

The synchronizing signal of the said access node of said data service terminal searching is set up synchronously with said access node;

Said data service terminal obtains the access configuration information of the external network of said access node broadcasting, and request is set up Radio Link with said access node and is connected.

44. method as claimed in claim 40 is characterized in that, the flow process of said access node and the data interaction of data service terminal carrying out service comprises:

The radio-frequency module that said access node or business datum terminal comprise through self receives business datum;

Said business datum is offered the physical layer process module, the processing of MAC layer processing module, the rlc layer processing module that self comprise in order to be handled;

After business datum after said rlc layer processing module will be handled offers the processing of MAC layer processing module, physical layer process resume module in order, offer said radio-frequency module and send.

45. method as claimed in claim 40 is characterized in that, the flow process of said access node and data service terminal carrying out service Signalling exchange comprises:

The radio-frequency module that said access node or business datum terminal comprise through self receives traffic signaling;

Said traffic signaling is offered the physical layer process module, the MAC layer processing module that self comprise in order handle, be embedded in the radio resource control rrc layer processing module processing in the MAC layer processing module;

After traffic signaling after said rrc layer processing module will be handled offers the processing of MAC layer processing module, physical layer process resume module in order, offer said radio-frequency module and send.

46. method as claimed in claim 40 is characterized in that, when said external network is cellular network, external network is inserted at said data service terminal, specifically comprises: through the access node gateway external network is inserted at said data service terminal.

47. method as claimed in claim 46 is characterized in that, the said access node gateway that passes through inserts external network with said data service terminal, specifically comprises:

The interface module that comprises in the said access node with the encapsulation of business datum and/or traffic signaling after, send to said access node gateway;

Said access node gateway is said business datum and/or traffic signaling, and converting cellular network interface into can the recognition data form, sends to cellular network.

48. like the arbitrary described method of claim 40-47, it is characterized in that, also comprise:

When the message transmission rate of wireless data service of using the cellular network pattern to insert the said business datum terminal of external network drops to less than the rate-valve value set, the synchronizing signal of the access node in the said data service terminal searching surrounding environment;