CN101098544A - System and method for fusing mobile communications network and fixed network - Google Patents
System and method for fusing mobile communications network and fixed network Download PDFInfo
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Abstract
The invention discloses a fuse system of mobile communication network and fixed network and a relative method, wherein the system comprises a terminal, which is characterized in further composed of a mobile network and fixed network access point, for interacting with terminal via the wireless protocol of mobile communication network to access terminal into the fixed network to transmit signal and data. The inventive fuse system and method can improve the flexibility and stability of fused mobile communication network and fixed network, and reduce the design hard and cost of terminal.
Description
Technical field
The present invention relates to the communications field, particularly relate to the emerging system and the method for a kind of mobile communications network and fixed network.
Background technology
In recent years, fixing moving merges that (Fixed-Mobile Convergence FMC) has become a focus of telecommunications industry.The FMC technology makes the business of network provide relatively independent with access technology and terminal equipment.FMC comprises the fusion of various aspects such as the fusion, terminal fusion of the fusion, business of network and service, and one of them feature of fusion is and the independence of access way, allows the user to use same business from fixing or portable terminal by any suitable access point.
From user perspective, the purpose of FMC is to use the family to pass through different access networks, enjoys identical service, obtains identical business.Its principal character is that the business that the user subscribes to has nothing to do with access point and terminal, just allows the user to use same business from fixing or portable terminal by any suitable access point.FMC can be so that the user under the prerequisite of a terminal, a bill, uses fixed network to communicate in office or family, and out of doors, then communicates by radio/mobile network.
Utilize the FMC technology between fixed network and mobile network, to realize seamless roam, can make the mobile operator that has the fixed network resource give full play to the fixed network advantage, and solve the poor problem of the indoor covering of 3G.
The amalgamation mode of network has two kinds: a kind of is the fusion of core net, adopts IP-based multimedia system (IP-Based Multimedia System, framework IMS); Another kind of mode is the fusion of Access Network, promptly adopts non-authenticate wireless to insert (Unlicenced Mobile Access, framework UMA).And general between terminal and the fixed network in these two kinds of FMC schemes by Bluetooth technology, or Wireless Fidelity (WirelessFidelity, wifi) technology communicates.In order to make terminal can receive and dispatch bluetooth or wifi signal, need be on portable terminal integrated with Bluetooth and wifi module, thereby make portable terminal by bluetooth and wifi technology access fixed network.
Fig. 1 realizes the system architecture diagram of the fusion of Access Network for existing employing UMA mode, as shown in Figure 1, existing employing UMA mode realize the system of the fusion of Access Network comprise dual-mode terminal with UMA function, mobile radio communication, WLAN (wireless local area network) fixed network access point (Access Point, AP), IP access network and network controller.
Described WLAN (wireless local area network) fixed network access point comprises bluetooth fixed network access point and wifi fixed network access point.
Described mobile radio communication comprises base station, cellular radio access network, base station controller and core mobile network.
Dual-mode terminal with UMA function both can be linked into cellular radio access network by the base station, was linked into the core mobile network under the control of base station controller; Also can be linked into WLAN (wireless local area network) fixed network access point by bluetooth or wifi, this access point links to each other with network controller by the IP access network, is linked into the core mobile network under the control of network controller.Dual-mode terminal with UMA function is linked into the core mobile network by which Access Network, be the base station to be provided with different priority with bluetooth or wifi fixed network access point by dual-mode terminal with UMA function, and according to priority and the decision of current network condition.Be up to example with bluetooth or wifi access point priority below, the access network selection process of the dual-mode terminal with UMA function be described:
When the access module of the dual-mode terminal with UMA function is set to " bluetooth or wifi are preferential ", dual-mode terminal with UMA function is at first searched for available bluetooth or wifi fixed network access point after start, if search available bluetooth or wifi fixed network access point, be linked into this access point by bluetooth or wifi, this access point links to each other with network controller by the IP access network, is linked into the core mobile network under the control of network controller; Otherwise the search cellular radio access network is linked into cellular radio access network by the base station, is linked into the core mobile network under the control of base station controller.After this, dual-mode terminal with UMA function is searched for available bluetooth or wifi fixed network access point always, if when searching available bluetooth or wifi fixed network access point, be linked into this access point by bluetooth or wifi, this access point links to each other with network controller by the IP access network, under the control of network controller, be linked into the core mobile network, insert successfully after, automatic disconnection is connected with cellular radio access network.
Having the dual-mode terminal of UMA function and the difference of common single-mode terminal is, dual-mode terminal with UMA function has increased wireless local area network communications modules such as bluetooth or Wifi, communicates between terminal and WLAN (wireless local area network) fixed network access point with bluetooth or Wifi mode; In order to realize communicating by letter between terminal and the network controller, between terminal and network controller, formulated a cover related protocol, thereby realized the transmission of mobile signaling protocol and data, the particular content of agreement is with reference to 3GPP TS43.318, wherein the control plane agreement comprises GA-PSR, GA-RC, transmission control protocol (Transfer Control Protocol, TCP), Remote Ip, IPsecEsp comprises GA-PSR with the corpse plane protocol, UDP Remote Ip, IPsecEsp.
The Access Layer of WLAN (wireless local area network) fixed network access point adopts bluetooth or Wifi agreement, WLAN (wireless local area network) fixed network access point sends terminal and is sent to network controller after packet is converted into the IP bag, the source address of IP bag is the IP address of WLAN (wireless local area network) fixed network access point, and destination address is the IP address of network controller.After network controller is received the IP bag of WLAN (wireless local area network) fixed network access point transmission, according to this packet being resolved and handled with the agreement of terminal formulation, with the protocol conversion of IP network is core mobile network's agreement, packet after will handling then be sent to the core mobile network the core node wireless communication networks Serving GPRS Support Node (Serving GPRS Support Node GPRS, SGSN).
Described network controller can be UMA controller (UNC).Be responsible for mobile management, call treatment, link management and transfer mechanism.
Need integrated with Bluetooth or wifi module owing to have the dual-mode terminal of UMA function, increased the design difficulty and the development cost of terminal.
Summary of the invention
In order to address the above problem, one object of the present invention just provides the emerging system of a kind of mobile communications network and fixed network, comprise terminal, also comprise mobile network fixed network access point, be used for utilizing the wireless protocols of described mobile communications network mutual, terminal be linked into carry out signaling and transfer of data in the fixed network with terminal.
Described mobile network fixed network access point comprises radio-frequency (RF) receiving and transmission module, baseband processing module, and upper-layer protocol processing module and IP access module, wherein,
Described radio-frequency (RF) receiving and transmission module is used for the radio frequency signal of receiving terminal emission, and sends to baseband processing module after this signal changed; And receive the signal that baseband processing module sends, and send to terminal after this signal changed;
Described baseband processing module is used for the signal that the received RF transceiver module sends, and this signal is carried out sending to the upper-layer protocol processing module after the Base-Band Processing; And receive the signal that the upper-layer protocol processing module sends, this signal is carried out sending to radio-frequency (RF) receiving and transmission module after the Base-Band Processing;
Described upper-layer protocol processing module is used to receive the baseband signal that baseband processing module sends, and sends to the IP access module after this signal resolved; And receive the signal that the IP access module sends, and to sending to baseband processing module behind this signal resolution;
The IP access module is used to finish the conversion of movable signal and IP signal, realizes the IP access function.
Described mobile communications network comprises base station, cellular radio access network, base station controller and core mobile network.
Described fixed network comprises the IP access network.
Another object of the present invention is to, the method that provides a kind of mobile communications network and fixed network to merge may further comprise the steps:
Steps A) the mobile network fixed network access point that can use of terminal searching;
Step B) it is mutual that mobile network fixed network access point and terminal are utilized the wireless protocols of mobile communications network, makes terminal and mobile network fixed network access point set up communication link;
Step C) terminal is set up communication link by mobile network fixed network access point and network controller;
Step D) terminal is carried out business data transmission by mobile network fixed network access point and network controller.
Described steps A) also comprise before:
Steps A 0) radio-frequency (RF) receiving and transmission module of mobile network fixed network access point emission pilot signal and system information.
Described step B) may further comprise the steps:
Step B1) terminal is resident to the mobile network fixed network access point that searches;
Step B2) terminal sends the request of access to mobile network fixed network access point;
Step B3) after the radio-frequency (RF) receiving and transmission module of mobile network fixed network access point receives the access request of terminal transmission, sends resource allocating message to terminal, connect by the upper-layer protocol processing module;
Step B4) terminal and mobile network fixed network access point are replied, and communication port is set up;
Described step C) may further comprise the steps:
Step C1) terminal sends the Non-Access Stratum signaling to mobile network fixed network access point;
Step C2) the upper-layer protocol processing module of mobile network fixed network access point just the Non-Access Stratum signaling send to the IP access module, by IP network, be delivered to network controller by the IP access module.
Described step D) may further comprise the steps:
Step D1) terminal sends to mobile network purse seine access point with business datum;
Step D2) the upper-layer protocol processing module of mobile network fixed network access point passes to transmission IP access module with business datum, by IP network, is delivered to network controller by the IP access module.
Described step D) further comprising the steps of afterwards:
Step e) when the intensity of the pilot signal of mobile network fixed network access point during less than the intensity level set, the terminal searching cellular radio access network, be linked into cellular radio access network by the base station, under the control of base station controller, be linked into the core mobile network, after inserting successfully, automatic disconnection is connected with mobile network fixed network access point.
The emerging system of mobile communications network of the present invention and fixed network and method have increased the flexibility and the stability of mobile communications network and fixed network fusion, have reduced the design difficulty and the cost of terminal simultaneously.
Description of drawings
Fig. 1 realizes the system architecture diagram of the fusion of Access Network for existing employing UMA mode;
Fig. 2 is the system architecture diagram of embodiment of the emerging system of embodiment of the invention mobile communications network and fixed network;
Fig. 3 is the module map of mobile network fixed network access point;
Fig. 4 is the flow chart of the method embodiment of mobile communications network of the present invention and fixed network fusion.
Embodiment
Basic thought of the present invention is: the wireless communication protocol that the terminal utilization is identical with wireless access network, be linked into the fixed network access point, and need on terminal, not be linked into fixed network by wireless local area network communications module such as integrated with Bluetooth or wifi.
Present embodiment is to be described with the system and method that a kind of time division duplex-S-CDMA (TD-SCDMA) communication system and fixed network merge, but the present invention is suitable for the situation except above-mentioned time division duplex-S-CDMA (TD-SCDMA) communication system and fixed network fusion equally, CDMA 2000 (CDMA2000) communication system as 3G, the global system for mobile communications (GSM) of Wideband Code Division Multiple Access (WCDMA) (WCDMA) communication system and 2G, code division multiple access (CDMA) communication system.
The present invention is further described in more detail to accompanying drawing 4 and specific embodiment below in conjunction with accompanying drawing 2.
Fig. 2 is the system architecture diagram of embodiment of the emerging system of embodiment of the invention mobile communications network and fixed network, wherein, the emerging system of mobile communications network of the present invention and fixed network comprises terminal, base station, cellular radio access network, base station controller, fixed network access point, IP access network, network controller and core mobile network.
Described fixed network access point is a mobile network fixed network access point, supports the procotol of mobile network itself.
Fig. 3 is the module map of mobile network fixed network access point, and as shown in Figure 3, described mobile network fixed network access point comprises radio-frequency (RF) receiving and transmission module, baseband processing module, and upper-layer protocol processing module and IP access module, wherein,
The radio frequency signal that radio-frequency (RF) receiving and transmission module is used for the receiving terminal emission carries out A/D to this signal, the D/A conversion, and transfer the signal to the baseband processing module; And receive the signal that baseband processing module sends, and this signal is carried out A/D, D/A changes, and this signal is sent to terminal;
Baseband processing module be used for to the radio frequency signal that radio-frequency (RF) receiving and transmission module receives decode, Base-Band Processing such as demodulation, despreading, the signal after will handling then sends to the upper-layer protocol processing module; And receive the signal that the upper-layer protocol processing module sends, this signal is encoded, sent to radio-frequency (RF) receiving and transmission module after the Base-Band Processing such as modulation, spread spectrum;
The upper-layer protocol processing module is used to resolve the baseband signal of receiving from baseband processing module, sets up bearer path with terminal, and the signal after handling is sent to the IP access module; And receive the data that the IP access module sends, send to baseband processing module after the parsing;
The IP access module is used to finish the conversion of movable signal and IP signal, realizes the IP access function.
Terminal both can be linked into cellular radio access network by the base station, and was linked into the core mobile network under the control of base station controller; Also can be linked into mobile network fixed network access point by the procotol of mobile network itself, this access point links to each other with network controller by the IP access network, is linked into the core mobile network under the control of network controller.
Terminal is linked into the core mobile network by which Access Network, is the base station to be provided with different priority with mobile network fixed network access point by terminal, and according to priority and the decision of current available network condition.
Terminal is provided with two priority mode: the base station access priority is the highest, and mobile network fixed network access point priority is the highest.
When terminal is in mobile network fixed network access point mode of priority, terminal is at first searched for available mobile network fixed network access point after start, if search available mobile network fixed network access point, be linked into this access point by the mobile network agreement, this access point links to each other with network controller by the IP access network, is linked into the core mobile network under the control of network controller; Otherwise the search cellular radio access network is linked into cellular radio access network by the base station, is linked into the core mobile network under the control of base station controller.After this, terminal is searched for available mobile network fixed network access point always, if when searching available mobile network fixed network access point, be linked into this access point by the mobile network agreement, this access point links to each other with network controller by the IP access network, under the control of network controller, be linked into the core mobile network, insert successfully after, automatic disconnection is connected with cellular radio access network.
When terminal is in base station access mode of priority, terminal is at first searched for cellular radio access network after start, if search cellular radio access network, be linked into cellular radio access network by the base station, under the control of base station controller, be linked into the core mobile network; Otherwise search for available mobile network fixed network access point, if when searching available mobile network fixed network access point, be linked into this access point by the mobile network agreement, this access point links to each other with network controller by the IP access network, is linked into the core mobile network under the control of network controller; After this, terminal is searched for cellular radio access network always, if when searching cellular radio access network, be linked into cellular radio access network by the base station, under the control of base station controller, be linked into the core mobile network, after inserting successfully, automatic disconnection is connected with mobile network fixed network access point.
The difference of the emerging system of the emerging system of mobile communications network of the present invention and fixed network and existing mobile communication network and fixed network is that mobile network fixed network access point replaces bluetooth or Wifi fixed network access point; The agreement of being supported by mobile network itself between terminal and the mobile network fixed network access point is carried out signaling and transfer of data;
Described terminal is compared with the dual-mode terminal with UMA function, does not need to increase wireless local area network communications modules such as bluetooth or wifi, and the priority of the access point of bluetooth or wifi changes the priority of mobile network fixed network access point into.
In addition, the present invention by terminal respectively with the mobile network in the base station communicate by letter with mobile network fixed network access point, based on identical hardware structure, determine to connect according to the environment for use of reality by terminal with different networks, can fully reduce the manufacturing cost and the complexity of terminal like this.For realizing that technical scheme of the present invention has proposed the method for designing of mobile network fixed network access point: promptly can adopt the wireless protocols identical to realize being linked into the fixed network by mobile network fixed network access point, carry out transfer of data from portable terminal with mobile communications network.Realize that in the present invention these identical hardware components that wireless protocols relied on can be identical, and also can there be difference in the software section of finishing these wireless protocols.Under this technical scheme, terminal of the present invention can reach utilizes the hardware structure of a cover wireless access both can access to mobile network, also can insert mobile network fixed network access point, thereby reach the purpose of saving the terminal manufacturing cost and reducing terminal complexity.The software of finishing wireless protocols in the terminal then can comprise two covers, determines to adopt a wherein suitable cover to finish and being connected of network by terminal according to the environment for use of reality.
Be example with time division duplex-S-CDMA (TD-SCDMA) communication system below, support the mobile network fixed network access point of TD-SCDMA agreement to abbreviate TD-AP as.
Communicate by letter between terminal and the TD-AP and adopt TD-SCDMA communication protocol, promptly adopt the physical layer of TD-SCDMA, media access control layer (Media Access Control, MAC), wireless chain control layer (Radio Link Control, RLC) and radio resource control layer (Radio Resources Control, RRC) agreement, the TD-SCDMA terminal is linked into network controller (as UNC) by TD-AP, finish the transmission of signaling and data between TD-SCDMA terminal and the network controller by a cover agreement, this agreement can adopt existing mobile communication network and fixed network emerging system middle definition one the cover protocol stack, the particular content of agreement is with reference to 3GPP TS43.318, wherein the control plane agreement comprises general access-packet-switched resources (Generic Access-Packet Switched Resources, GA-PSR), general access-resource control (Generic Access-Resource Control, GA-RC), transmission control protocol (Transfer Control Protocol, TCP), the IP agreement, IP secure package agreement (IP SecurityEncapsulating, IPsecEsp), user-plane protocol comprises GA-PSR, User Datagram Protoco (UDP) (UserDatagram Protocol, UDP), the IP agreement, the IPsecEsp agreement, also can be self-defined other agreement.
The flow chart of the method embodiment that mobile communications network of the present invention and fixed network merge as shown in Figure 4,
Concrete steps are as follows:
The highest with mobile network fixed network access point priority, and terminal can to search available mobile network fixed network access point be that example describes.
Radio-frequency (RF) receiving and transmission module emission pilot signal and the system information of step 1) TD-AP;
The radio-frequency (RF) receiving and transmission module of TD-AP adopts the mode identical with existing TD-SCDMA base station to launch pilot signal and system information, described pilot signal is that length is 64 random sequence, have 32 groups, have good cross correlation between the different sequences, a kind of sequence in 32 groups of the base station; Comprise sign in the described system information, TD-AP transmitting power, timer information, cell selecting information, common channel information or the like such as TD-AP.Transmission for fear of TD-AP causes interference to mobile network, because that the coverage of TD-AP only limits to is indoor, coverage is little, so the transmitting power of TD-AP is more much smaller than the base station.The pilot signal transmission frequency of TD-AP can adopt the frequency range different with the TD-SCDMA network, also can adopt the frequency range identical with the TD-SCDMA network, this moment, TD-AP at first searched for the signal of TD-SCDMA network, and according to the frequency of the TD-SCDMA network that searches, adjust the transmission frequency of TD-AP, make the transmission frequency of TD-AP different with the frequency of the TD-SCDMA network that captures.
Step 2) the terminal searching TD-AP that can use;
The radio-frequency (RF) receiving and transmission module pilot transmitted signal of terminal searching TD-AP, and, judge whether this TD-AP is available according to the intensity of pilot signal, if the intensity of pilot signal has reached the intensity level of setting, think that then this TD-AP can use.
Step 3) TD-AP and terminal utilize the wireless protocols of mobile communications network mutual, make terminal set up communication link by TD-SCDMA agreement and mobile network fixed network access point;
Step 31) terminal is resident to the TD-AP that searches;
Terminal searching is after TD-AP pilot transmitted signal and system information, and is synchronous with this TD-AP, and receives the system information of the radio-frequency (RF) receiving and transmission module transmission of TD-AP, binds with this TD-AP, stores system information into terminal;
Step 32) after terminal is received the communications triggered incident, inserts request, comprise terminal iidentification, reason for claim in the access request, the measurement report of all right carried terminal by Random Access Channel (RACH) transmission;
The application layer that described communications triggered incident is a terminal is set up request to the business that the lower-layer protocols stack sends.
The application layer of terminal is after the lower-layer protocols stack sends professional foundation request, and (SM, GMM GA-C) send professional foundation to the RRC protocol layer and ask the Non-Access Stratum of terminal;
The RRC protocol layer of terminal starts the process that is connected foundation with TD-AP after receiving that this business is set up request, sends the request of access by Random Access Channel.
Step 33) after the radio-frequency (RF) receiving and transmission module of TD-AP receives the access request of terminal transmission, send resource allocating message by the upper-layer protocol processing module to terminal, be included as time slot, code channel, terminal transmit power and the radio bearer information of terminal distribution in the resource allocating message, set up RRC and connect;
After the radio-frequency (RF) receiving and transmission module of TD-AP is received the access request signal of terminal transmission, should insert request signal and be sent to baseband processing module, baseband processing module carries out channel despreading, decoding to this access request signal, and the data after the demodulation are sent to the upper-layer protocol processing module; Decoding, demodulation despreads to prior art, can be with reference to 3GPP TS25.222, TS25.223.
The upper-layer protocol processing module is resolved the data of receiving, upper layer protocol module comprises MAC, RLC, rrc layer, MAC wherein, rlc layer removes corresponding packet header, RRC resolves the data content according to a preconcerted arrangement, sends resource allocating message to the TD-SCDMA terminal, sets up RRC for this terminal and connects.
RRC connects be terminal with the RRC protocol layer of mobile network between being connected of a kind of bi-directional point to multipoint of setting up.Concerning a terminal, exist a RRC to connect at the most.RRC is connected between terminal and the mobile network and transmits radio network signaling, as carries out wireless resource allocation or the like.
TD-AP sends to terminal with resource allocating message on common signal channel; Described common signal channel is forward access channel (FACH).
Step 34) terminal and TD-AP reply, and communication port is set up;
Terminal is configured according to the assignment message content after receiving the resource allocating message of TD-AP transmission, reply with TD-AP on physical layer, and whether acknowledgement channel is synchronously successful; After the terminal check channel synchronization, send acknowledge message to TD-AP on synchronous channel, confirm terminal resource assignment success, communication port is set up;
The step 4) terminal is set up communication link by TD-AP with network controller;
Step 41) after the communication link of terminal and TD-AP is set up, the signaling of the Non-Access Stratum of terminal, Non-Access Stratum signaling be with reference to 3gpp TS24.008 standard, by RLC, and MAC, the PHY protocol layer passes to TD-AP;
Step 42) the upper-layer protocol processing module of TD-AP passes to the IP access module with the Non-Access Stratum signaling by rlc layer, by IP network, is delivered to network controller by the IP access module, and terminal and network controller are set up communication link.
The step 5) terminal is carried out business data transmission by TD-AP with network controller;
Step 51) business datum of terminal process GA-U, RLC, MAC, physical layer is delivered to TD-AP;
Step 52) the upper-layer protocol processing module of TD-AP passes to the IP access module with business datum by rlc layer, by the IP access network, is delivered to network controller by the IP access module.
Step 521) the upper-layer protocol processing module of TD-AP is sent to the IP access module with business datum by rlc layer;
Step 522) the IP access module of TD-AP is set up the carrying between TD-AP and the UNC, finishes the conversion of movable signal and IP signal, and business datum is converted into the IP bag;
The source address of IP bag is the IP address of TD-AP, and destination address is the IP address of network controller.
Step 523) the IP access module of TD-AP is delivered to network controller with the IP bag by the IP access network, and network controller is sent to the core mobile network with the IP bag.
Message on the rrc layer (as GA-C message, SM, GMM message) all is transparent data to TD-AP, and TD-AP does not handle these message, directly is transmitted to network controller.
Network controller is the inverse process of above-mentioned communication process by TD-AP to the process that terminal sends data, does not repeat them here.
If the intensity of the pilot signal of step 6) TD-AP is less than the intensity level of setting, the terminal searching cellular radio access network is linked into cellular radio access network by the base station, is linked into the core mobile network under the control of base station controller, after inserting successfully, automatic disconnection is connected with TD-AP's.
Mobile communications network of the present invention makes the terminal utilization wireless communication protocol identical with wireless access network with the emerging system and the method for fixed network, be linked into the fixed network access point, and need on terminal, not be linked into fixed network by wireless local area network communications module such as integrated with Bluetooth or wifi, increased the flexibility that mobile communications network and fixed network merge, and stability, reduced the design difficulty and the cost of terminal simultaneously.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. the emerging system of mobile communications network and fixed network, comprise terminal, it is characterized in that, also comprise mobile network fixed network access point, be used for utilizing the wireless protocols of described mobile communications network mutual, terminal be linked into carry out signaling and transfer of data in the fixed network with terminal.
2. the emerging system of mobile communications network as claimed in claim 1 and fixed network is characterized in that, described mobile network fixed network access point comprises radio-frequency (RF) receiving and transmission module, baseband processing module, and upper-layer protocol processing module and IP access module, wherein,
Described radio-frequency (RF) receiving and transmission module is used for the radio frequency signal of receiving terminal emission, and sends to baseband processing module after this signal changed; And receive the signal that baseband processing module sends, and send to terminal after this signal changed;
Described baseband processing module is used for the signal that the received RF transceiver module sends, and this signal is carried out sending to the upper-layer protocol processing module after the Base-Band Processing; And receive the signal that the upper-layer protocol processing module sends, this signal is carried out sending to radio-frequency (RF) receiving and transmission module after the Base-Band Processing;
Described upper-layer protocol processing module is used to receive the baseband signal that baseband processing module sends, and sends to the IP access module after this signal resolved; And receive the signal that the IP access module sends, and to sending to baseband processing module behind this signal resolution;
The IP access module is used to finish the conversion of movable signal and IP signal, realizes the IP access function.
3. the emerging system of mobile communications network as claimed in claim 1 or 2 and fixed network is characterized in that, described mobile communications network comprises base station, cellular radio access network, base station controller and core mobile network.
4. the emerging system of mobile communications network as claimed in claim 3 and fixed network is characterized in that described fixed network comprises the IP access network.
5. the method that merges of mobile communications network and fixed network may further comprise the steps:
Steps A) the mobile network fixed network access point that can use of terminal searching;
Step B) it is mutual that mobile network fixed network access point and terminal are utilized the wireless protocols of mobile communications network, makes terminal and mobile network fixed network access point set up communication link;
Step C) terminal is set up communication link by mobile network fixed network access point and network controller;
Step D) terminal is carried out business data transmission by mobile network fixed network access point and network controller.
6. the method that mobile communications network as claimed in claim 5 and fixed network merge is characterized in that described steps A) also comprise before:
Steps A 0) radio-frequency (RF) receiving and transmission module of mobile network fixed network access point emission pilot signal and system information.
7. the method that mobile communications network as claimed in claim 5 and fixed network merge is characterized in that described step B) may further comprise the steps:
Step B1) terminal is resident to the mobile network fixed network access point that searches;
Step B2) terminal sends the request of access to mobile network fixed network access point;
Step B3) after the radio-frequency (RF) receiving and transmission module of mobile network fixed network access point receives the access request of terminal transmission, sends resource allocating message to terminal, connect by the upper-layer protocol processing module;
Step B4) terminal and mobile network fixed network access point are replied, and communication port is set up.
8. the method that mobile communications network as claimed in claim 5 and fixed network merge is characterized in that described step C) may further comprise the steps:
Step C1) terminal sends the Non-Access Stratum signaling to mobile network fixed network access point;
Step C2) the upper-layer protocol processing module of mobile network fixed network access point sends to the IP access module with the Non-Access Stratum signaling, by IP network, is delivered to network controller by the IP access module.
9. the method that mobile communications network as claimed in claim 5 and fixed network merge is characterized in that described step D) may further comprise the steps:
Step D1) terminal sends to mobile network fixed network access point with business datum;
Step D2) the upper-layer protocol processing module of mobile network fixed network access point passes to transmission IP access module with business datum, by IP network, is delivered to network controller by the IP access module.
10. the method that mobile communications network as claimed in claim 5 and fixed network merge is characterized in that described step D) further comprising the steps of afterwards:
Step e) when the intensity of the pilot signal of mobile network fixed network access point during less than the intensity level set, the terminal searching cellular radio access network, be linked into cellular radio access network by the base station, under the control of base station controller, be linked into the core mobile network, after inserting successfully, automatic disconnection is connected with mobile network fixed network access point.
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