CN101159969A - Content based access network combining scheme under heterogeneous wireless surroundings - Google Patents
Content based access network combining scheme under heterogeneous wireless surroundings Download PDFInfo
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- CN101159969A CN101159969A CNA2007100505379A CN200710050537A CN101159969A CN 101159969 A CN101159969 A CN 101159969A CN A2007100505379 A CNA2007100505379 A CN A2007100505379A CN 200710050537 A CN200710050537 A CN 200710050537A CN 101159969 A CN101159969 A CN 101159969A
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Abstract
The invention provides a directory-based access network fusion method for heterogeneous wireless environment, wherein the hardware platform comprises a terminal unit (1), a signaling base station (2), N service base stations (3), a core network, Un signaling channels between the terminal unit (1) and the signaling base station (2), Uu service channels between the terminal unit (1) and each service base station (3), Iu signaling channels between the signaling base station (2) and the core network, and Iu service channels between each service base station (3) and the core network. The method comprises the following key steps: directory indexing step, terminal start-up step, service establishment step, directory update step, and mode switching step. The invention incorporates the common access of control signaling, various modes of service communication and directory-based access management strategy, facilitates the selection and switch of communication modes, improves the management logic, coverage flexibility, switch flexibility and access controllability, and provides the extensive support. The invention is a high-efficiency proposal to access network of heterogeneous wireless network.
Description
Technical field
The invention belongs to wireless communication technology field, particularly heterogeneous wireless communication environment Access Network integration technology field.
Background technology
Because the diversification of customer service demand and the existing network facilities be long-term existence within the specific limits, the future mobile communications access network will be the polynary isomerous environment of multiple Radio Access Network coexistence.Wherein may comprise: the present 2G network that covers of wide area, progressively Shang Yong 3G network is the next-generation communication network of representative with the multi-antenna technology, and is the broadband wireless network etc. of representative with IEEE802.x series.How to realize that the multiple Radio Access Network under the isomerous environment merges, and the collaborative work between the multiple wireless access technology, be the main contents of future mobile communications research.
In the heterogeneous wireless environment, terminal equipment has two kinds of forms: built-in various modes air interface module, support the multi-mode and multi-standby mobile phone of multiple wireless interface technology, and based on the mobile device of the reconfigurable air interface module of software radio (SDR:Software Defned Radio) technology.
The isomerism of radio communication access network and the diversity of terminal equipment have determined the diversification of air interface, for making of the Radio Access Network work of various terminal equipments at isomery, be implemented in interconnecting between the compatibility of different access networks and the terminal equipment, various heterogeneous radio access networks integration technologies have obtained deep research.
The 6th framework planning of European Union has proposed end-to-end reshuffling (E2R:End to End Reconfigurability) technology, as heterogeneous radio access networks network integration program.The ability of reshuffling that E2R utilizes software radio to provide, comprehensively able to programme, configurable, hardware environment and modular software design idea that can be abstract, build architecture based on reconfigurable network elements such as base station, make the multiple access technology of network support, reach the fusion of isomerization access network.The E2R core concept is the as close as possible antenna of modulus/digital-to-analogue conversion, finishes radio function as much as possible with software.When terminal equipment carried out wireless access and switching, the software specific by air interface download was configured, thereby makes wireless access more flexible.Its detailed content is seen: 1. E2R, End to End Reconfigurability, the http://e2r2.motlabs.com/. sun of 2. recording, Zhang Ping, the end-to-end radio network technique of reshuffling, Beijing: publishing house of Beijing University of Post ﹠ Telecommunication, 2006.
The e-Japan plan of Japan research and propose a kind of future mobile communication system structure---MIRAI (MultimediaIntegrated network by Radio Access Innovation).The MIRAI system adopts general access (Common Access) as the heterogeneous access networks integration program, manages multiple wireless access technology in the specific region by basic access network (BAN) unit is set in Access Network.BAN keeps Signalling exchange with the basic access parts (BAC) of the terminal that is arranged in this specific region all the time, thereby finishes the general access of terminal use in the one's respective area, has reduced terminal scanning RAN and signaling process process.Detailed content is seen: 1. Wu Gang, M.Mizuno, P.J.M.Havinga, " MIRAI Architecture forHeterogeneous Network; " IEEE Communications Magazine, vol.40, no.2, Feb.2002, pp.126-134. 2. " Seamless integrated network system for wireless communication system, " UnitedStates Patent, No.7069045, Jun.27,2006.
But existing isomerization access network integration technology also has the following disadvantages:
(1) E2R needs the support of reconfigurable network element, and the existing network facilities does not support to reshuffle function, so E2R has difficulties to the multiplexing of existing network facility, needs more cost and rebuild the reconfigurable network facilities of supporting E2R;
(2) E2R for realize the ability of reshuffling can management, may command, requirement such as configurable, need the complete Governance framework of definition, perfect interaction flow and interface, and joint radio resource management and spectrum management mechanism, these Study on Technology and standardization also will be experienced very very long process;
(3) E2R needs the real-time download of enabled mode related software when vertical the switching, has so not only increased time delay for switching, makes the handoff response time elongated, and takies system transmission bandwidth, has reduced the utilance of wireless frequency spectrum;
(4) the MARAI system provides a kind of general access scheme for existing heterogeneous network, but to not research such as concrete access strategy, plurality of communication schemes multiplex strategy;
(5) problem that MIRAI Access Network integration program can not mass data be lost from basic solution vertical handover procedure.Portable terminal during session owing to the vertical switching of moving or reason such as radio link quality takes place, before and after switching data link tear chain open, the process of link re-establishment has caused in the old access network link buffer data all to be lost;
(6) MARAI system Access Network integration program can not provide the flexibility of access network to cover, can not vertically switch fast, support on the expansibility of controllability that inserts and system and also faces huge challenge at aspects such as orientation management, mobile management, RRMs not enough.
Paper, patent and the relevant publication of having reported for work at present, yet there are no can the multiplexing existing network facilities, and multiplexing existing access technology can be supported flexible covering again, sensitively switches, the expansibility Access Network integration program of controlled access.
Be convenient statement, following term (being confined to the description scope of this paper) made an explanation:
Catalogue: the tabulation of communication pattern, layout is for index in order.
Catalogue frequency: the communication frequency when Signalling exchange is controlled in terminal equipment and base station.
Summary of the invention
The present invention is directed to the polynary isomery trend of following cordless communication network, proposed a kind of under the heterogeneous wireless environment Access Network integration program based on catalogue.
Below respectively from physical structure and two angles of logical construction, to the present invention a kind of under the heterogeneous wireless environment Access Network integration program based on catalogue describe.
On the physical structure aspect, network configuration of the present invention as shown in Figure 1, comprising terminal equipment 1, signaling base station 2, the individual business base station 3 of N (N gets the natural number more than or equal to 1) and a core net, wherein base station (signaling base station and business base station) comprises antenna for base station, data processor and wired connection equipment three parts between the two; Wireless connections 4 formed channels between terminal equipment 1 and the signaling base station 2 are called Un (Reference point between User Equipmentand Infrastructure domains) signalling path, wireless connections 5 formed channels are called the Uu service channel between terminal equipment 1 and each business base station 3, wired connection 6 between signaling base station 2 and the core net is called Iu (Reference pointbetween Access and Serving Network domains) signalling path, and the wired connection 7 between each business base station 3 and the core net is called the Iu service channel.
Described terminal equipment is built-in can support multiple wireless air interface module and catalogue listing, and wherein said wireless air interface module can be the multimode air interface module, also can be based on the reconfigurable air interface module of SDR.Terminal equipment has only one to insert ID (Identification), determines by the ID that distributes on the catalogue frequency is unique.Terminal equipment standby on the catalogue frequency have only signalling path work during holding state, and the miscellaneous service passage is in resting state when the terminal equipment standby, and is that specific business demand is opened.
Described signaling base station is to be specifically designed to the forwarding unit of handling and transmitting control information between core net and the terminal, and described control information comprises calls out access control, switching controls etc.
Described business base station is the forwarding unit that is used to handle and transmit business information between core net and the terminal.Described business information comprises voice, image etc.
Described antenna for base station is the R-T unit of wireless signal, and its function comprises signal physical layer process and signal format conversion.Wherein said signal physical layer process comprises processing such as the modulation, encoding and decoding of wireless signal, and described format conversion is the conversion with the data format between the signal format of wireless signal form and the transmission of suitable wireline equipment.Described signaling-information processor is the center processor of control signaling, and described wired connection equipment between the two can be optical cable, power line, coaxial cable etc.
Described core net is the future mobile communication system core network, is responsible for the storage and the processing of data, comprising subscription authentication, data service search and control etc.
In conjunction with above-mentioned physical structure, from the logical construction aspect, network configuration of the present invention as shown in Figure 2, comprising signaling base station 2, business base station 3, Uu signalling path 4, Uu service channel 5, Iu signalling path 6, Iu service channel 7, core net, catalogue listing 8, universal access network 9 and service access net 10 etc.
Described catalogue listing be the tabulation of multiplexing communication pattern, according to certain sequence arrangement, be the secondary tree, as shown in Figure 3.Wherein the root node of tree is a logical concept, and the starting point of directory search is provided.Root node is related with the individual one-level subdirectory node of M (M gets the natural number more than or equal to 1), and each one-level subdirectory node is represented a kind of communication pattern class.Described communication pattern class is the general designation of a plurality of communication standards, as the 3G (Third Generation) Moblie technology.Each one-level subdirectory node again with N
M(N
MFor more than or equal to 1 natural number) association of secondary subdirectory, each secondary subdirectory node is represented a kind of communicator pattern or a kind of concrete access technology.Described communicator pattern or concrete access technology are meant a certain concrete communication standard or access scheme, as the TD-SCDMA standard in the 3G (Third Generation) Moblie technology.
Described catalogue listing is divided into terminal catalogue and line catalogue according to its state, wherein said terminal catalogue be terminal equipment the tabulation of communication pattern of intrinsic support, the terminal catalogue be with terminal equipment the interface module or the reconfigurable interface module of integrated representative communication pattern corresponding, the terminal catalogue only is present in the terminal equipment; Wherein said line directory is the tabulation of terminal equipment available communication pattern in the current period, and available communication pattern is meant the communication pattern of the diverse network that can cover this terminal equipment in the current period and the common factor of the communication pattern that this terminal equipment is supported, so line directory is a subdirectory of terminal catalogue.Line directory is stored in respectively in terminal equipment, signaling base station and the core net, and the line directory in terminal equipment, signaling base station and the core net was undertaken upgrading synchronously automatically by certain cycle.The terminal equipment line directory is related with the terminal catalogue, and its effect is to determine available communication pattern according to the variation of external environment; The parameter association of signaling base station line directory and business base station, its effect are business base station and the corresponding communication patterns of determining that the signaling base station is administered; Core net line directory and user's the authority and the business association of customization, its effect are to carry out subscription authentication and call blocking etc.
Described universal access network 9 is networks that the signaling base station is covered, and is responsible for the general access of terminal equipment, the switching of service communication pattern, the switching of business base station etc.
Described service access net 10 is networks that each business base station covers, and is responsible for required service access of terminal equipment and business data transmission.
The relation of described universal access network and service access net is that a universal access network can cover a plurality of service access nets, is responsible for the signaling access of a plurality of service access nets.Between the universal access network, can intersect between the service access net and overlapping.In the superposition boundary zone of universal access network, terminal equipment need carry out the selection and the switching of universal access network, has plurality of communication schemes in the overlapping region of each service access net.
The present invention comprises that also directory index process, starting up of terminal flow process, business set up flow process, catalogue more new technological process, mode switch flow process.
Described directory index process be terminal equipment, signaling base station or core net according to specific decision rule, the process of the node of the needed communication pattern of search in the line directory therein respectively.Directory index process steps following (as shown in Figure 4, for convenience of description, terminal equipment, signaling base station or core net being commonly referred to as index body):
(1) index body enters the line directory root node, obtains the one-level subdirectory node that root node comprises;
(2) index body enters i (the individual one-level subdirectory node of 1≤i≤M);
(3) index body obtains the secondary subdirectory node that comprised of one-level subdirectory node in step;
(4) index body enters j (1≤j≤N
M) individual secondary subdirectory node;
(5) index body is passed judgment on the parameter of the pairing communication standard of secondary subdirectory node in last step or concrete access scheme, whether decision selects for use this subpattern as final result, if select for use and then withdraw from whole directory index process,, get back to step 4 if do not select then j=j+1 for use;
(6) index body is finished after the search all secondary subdirectory nodes of this one-level subdirectory, does not still find suitable communication pattern, and then i=i+1 gets back to step 2;
(7) index body is searched for all one-level subdirectories, if find the communication pattern that needs then to finish search, and the success of directory index process; If whole directory search finishes and does not find suitable communication pattern, the directory index procedure failure.
Described starting up of terminal flow process is the process of terminal equipment open state to holding state, and its step is as follows:
(1) user starting up terminal equipment power supply;
(2) terminal equipment carries out web search according to the terminal catalogue, carries out the directory index process according to the terminal catalogue, determines current available communication pattern, and generates the line directory of terminal equipment;
(3) terminal equipment sends to the signaling base station of controlling its general access with line directory, to keep the synchronous of line directory;
(4) this user's online catalogue of signaling base station stored, and the business base station informational linkage of communication pattern in the line directory and its administration got up, then line directory is transmitted to core net;
(5) core net is stored this user's online catalogue, and informational linkages such as user ID, line directory, customer service, signaling base station are got up, and confirms to terminal equipment then;
(6) after terminal equipment is received the affirmation of core net, enter holding state.
It is that terminal equipment dials in to the process of carrying out professional communication link transmitting foundation that described business is set up flow process, and its step is as follows:
(1) calling subscriber's dialing;
(2) terminal equipment sends the request of access to the signaling base station, and the signaling base station is carried out the directory index process according to its line directory with certain criterion;
(3) base station selected communication pattern of calling subscriber's signaling and business base station, and calling and called user profile etc. is transmitted to core net;
(4) core net is carried out the directory index process according to its line directory, confirms the legitimacy of calling subscriber's incoming call request, and searches information such as called subscriber's signaling base station according to call subscriber ID;
(5) core net is to the signaling base stations transmit call request of being responsible for the general access of called subscriber;
(6) called subscriber's signaling base station receives the incoming call request, and selects communication pattern and business base station according to line directory and type of service;
(7) after core net is confirmed the above-mentioned steps success, return confirmation to calling subscriber and called subscriber respectively;
(8) receive after the affirmation calling and called subscriber signaling base station, sets up the data link between core net, calling subscriber's business base station and the calling subscriber respectively, and the link of core net, called subscriber's business base station and called subscriber's data;
(9) service channel between calling and called user and the core net is set up, and the calling and called user enters traffic state.
Described catalogue more new technological process is a line directory renewal process between terminal equipment, signaling base station, the core net, and its step is as follows:
(1) terminal equipment detects surrounding environment change, determines whether current communication pattern changes;
(2) if current available communication pattern changes, then terminal equipment upgrades line directory, deletes disabled communication pattern node, adds new available communication pattern node;
(3) the signaling base station of being responsible for its general access issued the line directory that upgrades by terminal equipment;
(4) its line directory is upgraded in the signaling base station, and is transmitted to core net;
(5) core net receives and upgrades line directory, returns and confirms report;
(6) terminal equipment confirmation of receipt report, line directory are upgraded and are finished.
Described mode switch flow process be terminal equipment under talking state, change current communication pattern and be the process of new communication pattern, its step is as follows:
(1) terminal equipment is initiated the communication pattern handoff request to the signaling base station;
(2) the directory index process is carried out according to its line directory in the signaling base station, select new communication pattern and with its corresponding service base station;
(3) signaling base stations control terminal equipment and new business base station are set up service chaining, open new service channel;
(4) after new service channel operate as normal, signaling base stations control terminal equipment and old business base station break link;
(5) terminal equipment is finished the switching of communication pattern.
Essence of the present invention is: introduce general access theory, by the base station in the system having been distinguished special-purpose signaling base station and business base station, the signaling access of terminal is separated with professional transmission, that is: the access of the signaling of terminal is by the signaling base station, be connected into core net by Uu signalling path and Iu signalling path, professional transmission is to pass through business base station, carry out the exchange of business datum by Uu service channel and Iu service channel and core net, the reliability that has so just ensured the transmission of control signaling simultaneously, satisfied data service specific demand (as at a high speed, real-time etc.); Plurality of communication schemes in the heterogeneous wireless network is carried out multiplexing, make terminal equipment can use different communication patterns as required, thereby the idle frequency spectrum resource of various access technologies is effectively utilized.Key technology of the present invention is, signaling base station is inserted the signaling of a plurality of business base stations by its line directory and managed, and wherein each node of signaling base station line directory and this signaling base station each business base station of being administered is related.Communication pattern and the business base station of signaling base station by the directory index process of its line directory being selected need, the directory index process of signaling base station is actually the index process to its business base station of administering.
The Access Network integration program that the present invention proposes, adopt the general access of control signaling, the multimode multiplexing of service communication, and based on the access-in management strategy of catalogue, for communication pattern is selected and switching is provided convenience, having improved management rules, cover flexibility, switch sensitivity, inserted controllability, and the expansibility support is provided, is that the Access Network of heterogeneous wireless network merges a kind of solution efficiently.
What need statement is, working method that various communication patterns are related and the technology of self, and whether network adopt reconfiguration technology, do not influence core concept of the present invention.
The present invention is based on the Access Network integration program of catalogue, following advantage arranged:
(1) versatility of Jie Ruing: general access makes the signaling transmission separate with professional transmission, and on the one hand, the control signaling is carried out at signalling path, has guaranteed the reliability of control information transmission, avoids because the signaling that environmental information or coverage cause is lost.On the other hand, business is transmitted in service channel carries out, and can carry out the dynamic parameter adjustment according to business demands such as transmission speed, speech qualities.
(2) durability of pattern: plurality of communication schemes multiplexing, the frequency spectrum resource that distributes but underuse is effectively used, can solve the problem of wireless communication spectrum resource scarcity, select corresponding with it communication pattern according to concrete communication environment, given full play to the advantage of various patterns.Simultaneously, various communication patterns are standby simultaneously not, just opens when business demand is arranged temporarily, has saved mobile phone power, makes mobile phone that longer stand-by time be arranged.
(3) Guan Li logic: the catalogue class is divided into multistage tree, makes search and new capital orderliness, quick more more based on the management strategy of catalogue.When carrying out model selection and switching, terminal equipment can be searched for according to catalogue, makes to select and switch and can carry out easily and efficiently.
(4) flexibility of Fu Gaiing: administer a plurality of service access nets by universal access network, universal access network can be selected the service access net according to demand flexibly, reaches the flexible processing that service access covers.
(5) sensitivity of Qie Huaning: when terminal equipment vertically switched, this programme can be searched for catalogue, selected suitable communication pattern to switch, and did not need to repeat network search procedure.
(6) controllability of Jie Ruing: by communication pattern in the catalogue is provided with priority policy, preferentially select only communication pattern, and can be by subscriber customized service access network.
(7) universality of terminal: this programme can be applicable to the general access and the mode multiplexing of all terminals (can support plurality of communication schemes) at large, no matter terminal equipment is a multimode terminal, or reconfigurable terminal.
(8) expansibility of system: this programme does not rely on the technology of polynary heterogeneous network self, and the expansibility of catalogue makes system to future mobile good compatibility and expansion be arranged also.
In sum, the present invention has made full use of the characteristics of the multiple communication system coexistence of future mobile communications network environment, has proposed a kind of heterogeneous access networks integration program, based on the general access multimode multiplexing of catalogue.Compare with E2R, the multiplexing existing network facilities of this programme energy, the access technology of multiplexing existing network, and vertical time delay for switching is lower.Compare with MARAI, the vertical reliability of switching of this programme is higher, and makes telecommunication management methodization more based on the management strategy of catalogue, covers more flexibly, switches sensitivity more, inserts more controlledly, and has expansibility.
Accompanying drawing and description of drawings
Accompanying drawing 1 is physical structure figure of the present invention
Wherein, the 1st, terminal equipment, the 2nd, signaling base station, the 3rd, business base station, the 4th, Uu signalling path, the 5th, Uu service channel, the 6th, Iu signalling path, the 7th, Iu service channel.
Accompanying drawing 2 is building-block of logic of the present invention
Wherein, the 8th, catalogue listing, the 9th, be universal access network, the 10th, the service access net.
Accompanying drawing 3 is catalogue trees of the present invention
Accompanying drawing 4 is directory index process flow diagrams of the present invention
Embodiment
One multi-mode and multi-standby mobile device is built-in with GSM, WiFi, WCDMA interface module, and promptly this device end catalogue comprises GSM, WiFi, three kinds of communication patterns of WCDMA.The user moved with the speed of 4km/h after this user started shooting, and in moving process, had experienced start, standby, conversation, conversation switching one of four states.
I. start-standby, this moment, communication environment had GSM, WiFi, the WCDMA network coverage, and there is a signaling base station in this zone, M GSM base station, N WiFi base station, L WCDMA base station
(1) user starting up terminal equipment power supply;
(2) terminal equipment carries out web search to the terminal catalogue, judge available communication pattern according to the residing environment of terminal, generate line directory (line directory comprises GSM, WiFi, three kinds of communication patterns of WCDMA), and line directory and user profile are issued the signaling base station of being responsible for its access control;
(3) terminal equipment sends to the signaling base station of controlling its general access with line directory, to keep the synchronous of line directory;
(4) this user's online catalogue of signaling base station stored, and respectively GSM, WiFi, WCDMA communication pattern and corresponding service base station information are connected, then line directory is transmitted to core net;
(5) core net is stored this user's online catalogue, and informational linkages such as user ID, line directory, customer service, signaling base station are got up, and confirms to terminal equipment then;
(6) after terminal equipment is received the affirmation of core net, enter holding state;
II. standby-conversation, this moment, user place environment had GSM, WiFi, the WCDMA network coverage, and there is a signaling base station in this zone, M GSM base station, N WiFi base station, L WCDMA base station
(1) calling subscriber's dialing;
(2) terminal equipment sends the request of access to the signaling base station, and the signaling base station is carried out the directory index process according to its line directory according to the maximum transmission rate criterion;
(3) base station selected WiFi communication pattern of calling subscriber's signaling and business base station communicate, and calling and called user profile etc. is transmitted to core net;
(4) core net is confirmed the legitimacy of calling subscriber's incoming call request, and searches information such as called subscriber's signaling base station according to call subscriber ID;
(5) core net is to the signaling base stations transmit call request of being responsible for the general access of called subscriber;
(6) called subscriber's signaling base station receives the incoming call request, and selects communication pattern and business base station according to line directory and type of service;
(7) after core net is confirmed the above-mentioned steps success, return confirmation to calling subscriber and called subscriber respectively;
(8) receive after the affirmation calling and called subscriber signaling base station, sets up the data link between core net, calling subscriber's business base station and the calling subscriber respectively, and the link of core net, called subscriber's business base station and called subscriber's data;
(9) service channel between calling and called user and the core net is set up, and the calling and called user enters traffic state;
III. conversation is switched, and this user enters the suburb in conversation, and environment only exists GSM and two kinds of communication patterns of WCDMA, and this moment, there was a signaling base station in this zone, P GSM base station, Q WCDMA base station
(1) because the WiFi network no longer covers, and conversation need be switched, terminal equipment is initiated the communication pattern handoff request to the signaling base station;
(2) terminal equipment is checked line directory, carries out the directory index process, according to the communication reliability criterion, determines that GSM is new communication pattern;
(3) the base station selected gsm communication pattern of signaling corresponding service base station;
(4) the gsm service link is set up in signaling base stations control terminal equipment and new gsm service base station, opens new service channel;
(5) after new service channel operate as normal, signaling base stations control terminal equipment and old WiFi business base station break link;
(6) terminal equipment is finished the switching of professional transmission;
IV. conversation-standby, end of conversation user on-hook
(1) user's communication finishes, and terminal equipment and gsm service service in base station passage disconnect;
(2) user gets back to holding state;
Get in the execution mode at the above, the present invention program's advantage has obtained good embodiment, adopt the general access of control signaling, the multimode multiplexing of service communication, and based on the access-in management strategy of catalogue, select and switching is provided convenience for communication pattern, improve management rules, covered flexibility, switched sensitivity, inserted controllability, and the expansibility support is provided, be that the Access Network of heterogeneous wireless network merges a kind of solution efficiently.
Claims (5)
- Under the heterogeneous wireless environment based on the Access Network integration program of catalogue, comprise terminal equipment (1), a signaling base station (2), N business base station (3), and core net, be characterised in that: the wireless connections (4) between terminal equipment (1) and signaling base station (2) form the Un signalling path, wireless connections (5) form the Uu service channel between terminal equipment (1) and each business base station (3), wired connection (6) between signaling base station (2) and the core net forms the Iu signalling path, and the wired connection (7) between each business base station (3) and the core net forms the Iu service channel; Contain the terminal catalogue in terminal equipment (1) lining, in terminal equipment (1), signaling base station (2), core net, all contain line directory;Its feature also comprises: the directory index process of maintain communications operate as normal, starting up of terminal flow process, business are set up flow process, catalogue more new technological process, mode switch flow process under the heterogeneous wireless environment;Described directory index process be terminal equipment, signaling base station or core net according to specific decision rule, the process of the node of the needed communication pattern of search in the line directory therein respectively, its step is as follows:(1) index body enters the line directory root node, obtains the one-level subdirectory node that root node comprises;(2) index body enters i (the individual one-level subdirectory node of 1≤i≤M);(3) index body obtains the secondary subdirectory node that comprised of one-level subdirectory node in step;(4) index body enters j (1≤j≤N M) individual secondary subdirectory node;(5) index body is passed judgment on the parameter of the pairing communication standard of secondary subdirectory node in last step or concrete access scheme, whether decision selects for use this subpattern as final result, if select for use and then withdraw from whole directory index process,, get back to step 4 if do not select then j=j+1 for use;(6) index body is finished after the search all secondary subdirectory nodes of this one-level subdirectory, does not still find suitable communication pattern, and then i=i+1 gets back to step 2;(7) index body is searched for all one-level subdirectories, if find the communication pattern that needs then to finish search, and the success of directory index process; If whole directory search finishes and does not find suitable communication pattern, the directory index procedure failure;Described starting up of terminal flow process is the process of terminal equipment open state to holding state, and its step is as follows:(1) user starting up terminal equipment power supply;(2) terminal equipment carries out web search according to the terminal catalogue, carries out the directory index process according to the terminal catalogue, determines current available communication pattern, and generates the line directory of terminal equipment;(3) terminal equipment sends to the signaling base station of controlling its general access with line directory, to keep the synchronous of line directory;(4) this user's online catalogue of signaling base station stored, and the business base station informational linkage of communication pattern in the line directory and its administration got up, then line directory is transmitted to core net;(5) core net is stored this user's online catalogue, and informational linkages such as user ID, line directory, customer service, signaling base station are got up, and confirms to terminal equipment then;(6) after terminal equipment is received the affirmation of core net, enter holding state;It is that terminal equipment dials in to the process of carrying out professional communication link transmitting foundation that described business is set up flow process, and its step is as follows:(1) calling subscriber's dialing;(2) terminal equipment sends the request of access to the signaling base station, and the signaling base station is carried out the directory index process according to its line directory with certain criterion;(3) base station selected communication pattern of calling subscriber's signaling and business base station, and calling and called user profile etc. is transmitted to core net;(4) core net is carried out the directory index process according to its line directory, confirms the legitimacy of calling subscriber's incoming call request, and searches information such as called subscriber's signaling base station according to call subscriber ID;(5) core net is to the signaling base stations transmit call request of being responsible for the general access of called subscriber;(6) called subscriber's signaling base station receives the incoming call request, and selects communication pattern and business base station according to line directory and type of service;(7) after core net is confirmed the above-mentioned steps success, return confirmation to calling subscriber and called subscriber respectively;(8) receive after the affirmation calling and called subscriber signaling base station, sets up the data link between core net, calling subscriber's business base station and the calling subscriber respectively, and the link of core net, called subscriber's business base station and called subscriber's data;(9) service channel between calling and called user and the core net is set up, and the calling and called user enters traffic state;Described catalogue more new technological process is a line directory renewal process between terminal equipment, signaling base station, the core net, and its step is as follows:(1) terminal equipment detects surrounding environment change, determines whether current communication pattern changes;(2) if current available communication pattern changes, then terminal equipment upgrades line directory, deletes disabled communication pattern node, adds new available communication pattern node;(3) the signaling base station of being responsible for its general access issued the line directory that upgrades by terminal equipment;(4) its line directory is upgraded in the signaling base station, and is transmitted to core net;(5) core net receives and upgrades line directory, returns and confirms report;(6) terminal equipment confirmation of receipt report, line directory are upgraded and are finished;Described mode switch flow process be terminal equipment under talking state, change current communication pattern and be the process of new communication pattern, its step is as follows:(1) terminal equipment is initiated the communication pattern handoff request to the signaling base station;(2) the directory index process is carried out according to its line directory in the signaling base station, select new communication pattern and with its corresponding service base station;(3) signaling base stations control terminal equipment and new business base station are set up service chaining, open new service channel;(4) after new service channel operate as normal, signaling base stations control terminal equipment and old business base station break link;(5) terminal equipment is finished the switching of communication pattern.
- 2. based on the Access Network integration program of catalogue, it is characterized in that under the heterogeneous wireless environment according to claim 1: described line directory and/or terminal catalogue are the tabulations of various communication patterns, according to certain sequence arrangement, are the secondary tree; Wherein the root node of tree is a logical concept, and the starting point of directory search is provided; Root node is related with M one-level subdirectory node, and each one-level subdirectory node is represented a kind of communication pattern class; Each one-level subdirectory node again with N MThe association of secondary subdirectory, each secondary subdirectory node is represented a kind of communicator pattern or a kind of concrete access technology;
- 3. under the heterogeneous wireless environment according to claim 1 based on the Access Network integration program of catalogue, it is characterized in that: described terminal catalogue be terminal equipment the tabulation of communication pattern of intrinsic support, the terminal catalogue be with terminal equipment the interface module or the reconfigurable interface module of integrated representative communication pattern corresponding, the terminal catalogue only is present in the terminal equipment;
- 4. under the heterogeneous wireless environment according to claim 1 based on the Access Network integration program of catalogue, it is characterized in that: described line directory is the tabulation of terminal equipment available communication pattern in the current period, and available communication pattern is meant the communication pattern of the diverse network that can cover this terminal equipment in the current period and the common factor of the communication pattern that this terminal equipment is supported, therefore line directory is a subdirectory of terminal catalogue, and the line directory in terminal equipment, signaling base station and the core net was undertaken upgrading synchronously automatically by certain cycle.
- 5. based on the Access Network integration program of catalogue, it is characterized in that under the heterogeneous wireless environment according to claim 1:Described universal access network (9) is the network that the signaling base station is covered, and is responsible for the general access of terminal equipment, the switching of service communication pattern, the switching of business base station etc.; Described service access net (10) is the network that each business base station covers, and is responsible for required service access of terminal equipment and business data transmission;The relation of described universal access network and service access net is that a universal access network can cover a plurality of service access nets, is responsible for the signaling access of a plurality of service access nets.Between the universal access network, can intersect between the service access net and overlapping.In the superposition boundary zone of universal access network, terminal equipment need carry out the selection and the switching of universal access network, has plurality of communication schemes in the overlapping region of each service access net.
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