CN1744551A - Comprehensive accessing device for isomerized network environment and method for realizing same - Google Patents
Comprehensive accessing device for isomerized network environment and method for realizing same Download PDFInfo
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Abstract
Based on multiple networks syncretized technique, the invention designs integrated access equipment. The equipment is composed of embedded type microprocessor, interface module of public switched telephone network, interface module of Internet, interface module of public mobile communication network, extensive module of network interface, receiver and transmitter, synthesis access control module, Loading port, and state setting switch. Using same set of hardware, syncretized at network layer, through cooperation and communication between software modules, the invention structures synthetical equipment and implement method, which is workable in isomeric network environment including IEEE802.11b, Bluetooth, Zigbee, PSTN, Internet, and GSM/GPRS.
Description
Technical field
The present invention is based on many nets integration technology, designed and to have supported that multiple wireless terminal is linked into the integrated access equipment of multiple public correspondence network.Belong to technical field of wireless communication.
Background technology
In recent years, the multiple Radio Access Network at different occasions and different application has appearred in the develop rapidly of wireless communication technology, makes people to realize various communication requirements whenever and wherever possible in the mode of wireless access.WLAN (wireless local area network) (WLAN based on the IEEE802.11 series standard, Wireless Local AreaNetwork), be the Wireless Personal Network (WPAN of representative with Bluetooth (bluetooth) technology, WirelessPersonal Area Network), using the wireless sensor network (WSN, Wireless Sensor Network) of Zigbee (a kind of emerging short distance, low rate radio network technique) agreement is representative network.People use these wireless access technologys can be linked into public switched telephone network (PSTN quickly and easily, Public Switched Telephone Network), public mobile network (GSM/GPRS, Global System for Mobile communication/General Packet Radio Service) and in the Internet (Internet) these three kinds main public correspondence nets, terminal node can be realized information by these wireless access technologys quick transmission with share.Certainly, the access of user or terminal node be unable to do without the support of access point (AP, Access Point) equipment.
Current, the AP equipment that adopts single wireless technology to insert the single communication net has obtained certain application, public places such as these equipment can be on the airport, hotel, market, school provide connection to terminal equipment, when providing significant solution for the contradiction that solves frequency resource and power system capacity, interconnecting between the different AP, problems such as the access form is single, narrow application range also progressively show especially.Along with the development of software and radio technique and Softswitch technology, people wish to occur to merge multiple network, are applied to multiple wireless environment, have a plurality of interfaces, multimodal integrated access equipment.
For these reasons, the present invention proposes the integrated access equipment that can be applied in the multiple heterogeneous network environment, this equipment makes people to select suitable wireless access technology according to the needs of using, and is linked in the suitable public correspondence net.Because the architecture of a plurality of heterogeneous networks, communication protocol, working mechanism all are different, thereby how these networks to be merged in same equipment platform be very challenging problem, and many nets integration technology is being represented the developing direction of next generation network.The integrated access equipment that the present invention proposes supports user or terminal node to be linked into public correspondence networks such as PSTN, Internet, GSM/GPRS with IEEE802.11b (WLAN standard that IEEE formulates), Bluetooth, Zigbee mode.Soft switch represent the mode by software realize original switch control, continue and function such as Business Processing, the agreement by standard between each functional entity connects and communicates by letter.The present invention has also adopted the thought of soft switch, realizes access control and Business Processing to a plurality of terminals with configurable software module, and with the information interaction of public correspondence net etc.
Summary of the invention
Technical problem: the purpose of this invention is to provide and a kind ofly use same set of hardware, realize to merge, can work in integrated access equipment and implementation method in the heterogeneous network environments such as IEEE802.11b, Bluetooth, Zigbee, PSTN, Internet, GSM/GPRS with the cooperation between the software module and the formation of communicate by letter in network layer.
Technical scheme: the integrated access equipment in the heterogeneous network environment of the present invention is made up of embedded microprocessor, public switched telephone network interface module, internet interface module, public mobile network interface module, network interface expansion module, Receiver And Transmitter, comprehensive access control module, load port, state setting switch; Wherein embedded microprocessor connects public switched telephone network interface module, internet interface module, public mobile network interface module, network interface expansion module, comprehensive access control module, load port, state setting switch respectively, Receiver And Transmitter joins with comprehensive access control module, and the audio coder ﹠ decoder (codec) of comprehensive access control module and public switched telephone network interface module joins; The dual-tone multifrequency transceiver of public switched telephone network interface module and frequency shift keying ring detection and demodulator circuit all are connected to the general input/output port of embedded microprocessor, the ethernet transceiver of internet interface module is connected to the Ethernet interface of embedded microprocessor, the G18 module of public mobile network interface module is connected to the serial ports of embedded microprocessor, and the CPLD of network interface expansion module, other communications network interface modules and comprehensive access control module all are connected to the data/address bus of embedded microprocessor.Receiver in the Receiver And Transmitter is made up of smart antenna, receiving loop, high-frequency amplifier, low-converter, analog/digital converter, switching circuit, Network Recognition module, comprehensive access control module; Wherein smart antenna, receiving loop, high-frequency amplifier, low-converter, analog/digital converter, switching circuit are connected in series in proper order, the output of analog/digital converter also connects the input of comprehensive access control module, the synchronous input of time delay in the output termination Network Recognition module of switching circuit, the output of Network Recognition module is promptly relatively adjudicated the signal input end that connects comprehensive access control module, signal input end, embedded microprocessor and the public switched telephone network interface module of the output termination switching circuit of comprehensive access control module; The Network Recognition module by the time delay of three-channel parallel synchronously, the correlator of three-channel parallel and relatively judgement be composed in series in proper order; Transmitter is composed in series in proper order by comprehensive access control module, D/A converter, upconverter, power amplifier, launching circuit, smart antenna, and wherein, comprehensive access control module and smart antenna are that Receiver And Transmitter is shared.
The implementation method of the integrated access equipment in the heterogeneous network environment of the present invention is, when the integrated access equipment that is in idle condition detects the Radio Access Network signal, at first carries out Radio Access Network identification, judges signal is from which Radio Access Network; The connection situation of the configuration information of inquiry terminal and current terminal determines whether to allow the access of this terminal again; From the information that terminal is sent, judge type of service,, carry out alternately with public switched telephone network if speech business then activates the public switched telephone network interface module; If data service then activates corresponding virtual ethernet card, activate internet interface module or public mobile network interface module, communicate with the Internet or public mobile network; When receiving the public correspondence network information, system at first carries out the public correspondence Network Recognition, and according to the communication pattern of current terminal, the communication protocol module that IEEE802.11b or Bluetooth or Zigbee are called in decision carries out with terminal alternately again.
Wherein, comprehensive access control module and smart antenna are that Receiver And Transmitter is shared.
The present invention has adopted comprehensive cut-in method, this method at first needs to discern the radiofrequency signal from IEEE802.11b, Bluetooth, these three kinds of Radio Access Networks of Zigbee, and identification is from the information of public correspondence networks such as PSTN, Internet, GSM/GPRS.For the Radio Access Network signal, from the information that terminal is sent, judge type of service, the form of service according to terminal is that different disposal is made in data service or speech business then.To the data business, employing increases adaptation layer on the data link layer of Bluetooth, IEEE802.11b, Zigbee agreement, the underlying protocol of Bluetooth, IEEE802.11b, Zigbee is packaged into the different method of virtual ethernet card carry on system bus, realizes that in network layer IEEE802.11b, Bluetooth, Zigbee, Internet, these five kinds of heterogeneous network protocols of GSM/GPRS merge; To speech business, support the seamless link of Bluetooth terminal and PSTN.After having discerned the public correspondence network information, system is according to the communication pattern of current terminal, and the communication protocol module that IEEE802.11b or Bluetooth or Zigbee are called in decision carries out with terminal alternately.
Because IEEE802.11b, Bluetooth, these three kinds of radio network techniques of Zigbee all are operated in the 2.4GHz frequency range, IEEE802.11b and Zigbee use direct sequence (DS, Direct Sequencing) spread spectrum mode, Bluetooth uses frequency hopping (FH, Frequency Hopping) spread spectrum mode, they all use different pseudo noises, and (Pseudonoise, PN) sequence is carried out spread spectrum.Thereby in receiving course, radiofrequency signal can be transformed to intermediate frequency, judge it is by the Network Recognition module then, provide different control signals to comprehensive access control module corresponding to different networks from IEEE802.11b, Bluetooth or the wireless signal of Zigbee network.
The Network Recognition module uses correlation method to discern the signal of different radio access network.The signal that receives is respectively through three parallel correlators, and the local PN sequence of these three correlators corresponds respectively to the PN sequence of IEEE802.11b, Bluetooth and Zigbee.The PN sequence that received signal is different with three kinds is carried out related operation respectively, just weigh similarity degree between two signals with maximum likelihood algorithm, the relatively output of No. three correlators then, find out path with maximal correlation, judge by the local PN sequence on this path which network current demand signal derives from, thereby provide control signal corresponding to comprehensive access control module, comprehensive access control module is called corresponding software submodules according to different control signals and is realized functions such as despreading, demodulation, underlying protocol, last output information data., need carry out to received signal synchronously through before the correlator in received signal by the time delay synchronization module.
The identification public correspondence network information is realized by comprehensive access control module.Different public network interface modules are operated in the system with the form that can load, and are registered as different device numbers.When comprehensive access control module is received public network information, thereby can discern external network by the registered public network device number table of inquiry, communication pattern according to current terminal, select the basic communication protocol module of IEEE802.11b or Bluetooth or Zigbee, through ovennodulation, spread spectrum, D/A conversion, by upconverter intermediate-freuqncy signal is converted to radiofrequency signal again, is transmitted to wireless terminal through power amplifier, launching circuit and smart antenna.
Integrated access equipment have can expand, configurable ability, intercommunication except support and PSTN, Internet, GSM/GPRS public network, but also by on expansion slot, inserting other communications network interface modules, load corresponding Network Interface Module drive software, realize access other public networks (as WCDMA).
Beneficial effect: use same set of Receiver And Transmitter circuit to support three kinds of wireless access ways, utilized the technological thought of software radio and soft switch, use most of communication system functionality able to programme and software redefinable is realized, saved hardware resource, increased the flexibility of configuration with management.A plurality of heterogeneous networks are merged, enlarge the network coverage of PSTN, Internet and GSM/GPRS, increased power system capacity, improved throughput of system, solved the contradiction of frequency spectrum resource and power system capacity effectively, the selection of plurality of access modes is provided to the user.The seamless link of wireless terminal user and public correspondence network is provided, and the participation that need not the user just can be finished the Signalling exchange with the public correspondence network.Insert when can support a plurality of terminal, the connection status and the user profile of a plurality of terminals are implemented management.Have can expand, configurable ability, can support access to multiple public correspondence network.
Description of drawings
Fig. 1 is an overall realization block diagram of the present invention.This device comprises embedded microprocessor 1, public switched telephone network interface module 2, internet interface module 3, public mobile network interface module 4, network interface expansion module 5, Receiver And Transmitter 6, comprehensive access control module 7, load port 8, state setting switch 9, audio coder ﹠ decoder (codec) 21, dialing and telephone line interface 22, dual-tone multifrequency transceiver 23, frequency shift keying ring detection and demodulator circuit 24, network transformer 31, ethernet transceiver 32, G18 module 41, CPLD 51, but expansion slot 52, other communications network interface modules 53～5n.
Fig. 2 totally realizes receiver structure block diagram in the block diagram (Fig. 1).Wherein have: smart antenna 61, receiving loop 62, high-frequency amplifier 63, low-converter 64, analog/digital converter 65, switching circuit 66, Network Recognition module 67, D/A converter 68, upconverter 69, time delay are synchronous 671, the correlator 672 of three-channel parallel, relatively adjudicate 673.
Fig. 3 totally realizes transmitter architecture block diagram in the block diagram (Fig. 1).
Fig. 4 is a comprehensive access control modular structure block diagram of the present invention.
Fig. 5 is a comprehensive access algorithm flow chart of the present invention.
Fig. 6 is a functional schematic of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention program is designed work further concrete analysis and description.
Integrated access equipment in the heterogeneous network environment of the present invention is made up of embedded microprocessor 1, public switched telephone network interface module 2, internet interface module 3, public mobile network interface module 4, network interface expansion module 5, Receiver And Transmitter 6, comprehensive access control module 7, load port 8, state setting switch 9; Wherein embedded microprocessor 1 connects public switched telephone network interface module 2, internet interface module 3, public mobile network interface module 4, network interface expansion module 5, comprehensive access control module 7, load port 8, state setting switch 9 respectively, Receiver And Transmitter 6 joins with comprehensive access control module 7, and the audio coder ﹠ decoder (codec) 21 of comprehensive access control module 7 and public switched telephone network interface module 2 joins; The dual-tone multifrequency transceiver 23 of public switched telephone network interface module 2 and frequency shift keying ring detection and demodulator circuit 24 all are connected to the general input/output port of embedded microprocessor 1, the ethernet transceiver 32 of internet interface module 3 is connected to the Ethernet interface of embedded microprocessor 1, the G18 module 41 of public mobile network interface module 4 is connected to the serial ports of embedded microprocessor 1, the CPLD 51 of network interface expansion module 5, other communications network interface modules 53～5n, all be connected to the data/address bus of embedded microprocessor 1 with comprehensive access control module 7.Receiver in the Receiver And Transmitter 6 is made up of smart antenna 61, receiving loop 62, high-frequency amplifier 63, low-converter 64, analog/digital converter 65, switching circuit 66, Network Recognition module 67, comprehensive access control module 7; Wherein smart antenna 61, receiving loop 62, high-frequency amplifier 63, low-converter 64, analog/digital converter 65, switching circuit 66 orders are connected in series, the output of analog/digital converter 65 also connects the input of comprehensive access control module 7, the input of the time delay synchronous 671 in the output termination Network Recognition module 67 of switching circuit 66, the output of Network Recognition module 67 is promptly relatively adjudicated 673 signal input end that connect comprehensive access control module 7, the signal input end of the output termination switching circuit 66 of comprehensive access control module 7, embedded microprocessor 1 and public switched telephone network interface module 2; Network Recognition module 67 is synchronous 671 by the time delay of three-channel parallel, the correlator 672 of three-channel parallel and relatively adjudicate 673 orders and be composed in series; Transmitter is composed in series by comprehensive access control module 7, D/A converter 68, upconverter 69, power amplifier 610, launching circuit 611, smart antenna 61 orders, wherein, comprehensive access control module 7 and smart antenna 61 are that Receiver And Transmitter is shared.
The implementation method of the integrated access equipment in the heterogeneous network environment is, when the integrated access equipment that is in idle condition detects the Radio Access Network signal, at first carries out Radio Access Network identification, judges signal is from which Radio Access Network; The connection situation of the configuration information of inquiry terminal and current terminal determines whether to allow the access of this terminal again; From the information that terminal is sent, judge type of service,, carry out alternately with public switched telephone network if speech business then activates the public switched telephone network interface module; If data service then activates corresponding virtual ethernet card, activate internet interface module or public mobile network interface module, communicate with the Internet or public mobile network; When receiving the public correspondence network information, system at first carries out the public correspondence Network Recognition, and according to the communication pattern of current terminal, the communication protocol module that IEEE802.11b or Bluetooth or Zigbee are called in decision carries out with terminal alternately again.
The present invention has adopted overall realization block diagram as shown in Figure 1.Can see, the PSTN interface module is connected to the general input and output (GPIO of embedded microprocessor, General Purpose Input/Output) mouth, comprise dual-tone multifrequency (DTMF, Dual Tone Multiple Frequency) transceiver, frequency shift keying (FSK, Frequency Shift Keying) ring detection and demodulator circuit, dialing and telephone line interface, audio coder ﹠ decoder (codec) are formed.The DTMF transmitter is used for integrated access equipment and sends other signalings to the PSTN dialing or to the PSTN switch.Adopt the HT9200A circuit of HOTTEK.Dtmf receiver is used to receive the caller identification signal that meets the DTMF standard and other signalings that the PSTN switch sends, and when integrated access equipment is in when state is set, dtmf receiver also is used to receive user's configuration information.Dtmf receiver can be given embedded microprocessor with the caller identification signal or other signalings that receive, is handled by the comprehensive access control module that operates on this processor.Dtmf receiver is made of HT9170A and the peripheral circuit of HOLTEK.Fsk demodulator is used to receive the caller id information that meets the FSK standard that the PSTN switch sends.Ring detecting circuit detects the ringing signal on the telephone wire, and the notice embedded microprocessor has the phone incoming call.HT9032C and peripheral circuit by HOLTEK constitute.Dialing and telephone line interface are used for amplifying transmission and amplification receives voice signal, also can be used for amplifying sending dtmf signal.Constitute by TEA1062 chip and peripheral circuit.Audio coder ﹠ decoder (codec) is to carrying out speech coding from the voice signal that dials and telephone line interface is sent here, and coding result is delivered to comprehensive access control module.Also can decode, and deliver to dialing and telephone line interface the coded voice signal that comprehensive access control module sends over.What the audio coder ﹠ decoder (codec) among the present invention used is the MC145483 chip of Motorola.
The Internet interface module links to each other with the Ethernet interface of embedded microprocessor, is made up of network transformer and ethernet transceiver.Network transformer has played the effect of isolating netting twine and circuit board, in order to avoid the PM44-11BG chip is used in their phase mutual interference among the present invention.Ethernet transceiver then plays a part transparent transmission, on the one hand the difference serial signal on the netting twine is become the parallel data that embedded microprocessor conveniently reads, and simultaneously the parallel data of embedded microprocessor is become differential signal and delivers to netting twine.Adopt the LXT971LC chip to realize among the present invention.The GSMPHASEII++GPRS module that has adopted motorola inc to produce with the GSM/GPRS interface module, i.e. G18 module, this module is used to realize the GSM/GPRS communication function, link to each other by serial ports with embedded microprocessor.The G18 module sends network data to embedded microprocessor by serial ports and makes respective handling, and embedded microprocessor writes the AT order to the G18 module as required, to control its operating state.
The network interface expansion module provides the access capability to other public networks, this module by CPLD (CPLD, Complex Programmable Logic Device) but expansion slot, other communications network interface modules are formed.CPLD is used to expand the system bus of embedded microprocessor, a plurality of other communications network interface modules of management control, mutual with embedded microprocessor, the operating state of other communications network interface modules of current insertion is informed microprocessor, simultaneously according to the signaling control different communication network interface module work of microprocessor.When inserting other new communications network interface modules, equipment need be in the state of setting, be the corresponding information of this block configuration, as the terminal type of device number, communication network type, support etc.Also needing by load port is this module loading drive software, to obtain the basic-level support to this module.Control program among the CPLD also needs in time to upgrade.
In receiver block diagram of the present invention (Fig. 2), the Network Recognition module is used to discern the signal of IEEE802.11b, Bluetooth, Zigbee network.This module is made up of synchronization delayed time module and correlator.The synchronization delayed time module is used for the spread-spectrum signal of local spread spectrum code sequence and reception is carried out synchronously.The chip-spaced that is input as of this module is T
cReceiving sequence, make receiving sequence and known local frequency expansion sequence carry out related operation.At time interval NT
cCarry out computing cross-correlation on (N chip), output and threshold ratio determine whether to exist known burst.If surpass this threshold value, so known reference sequences shifts to an earlier date T in time
c, repeat this associative operation process.These operations be performed until detect signal till the time delay of process.In order to reduce false alarm probability, improve synchronous accuracy, need select appropriate threshold for three tunnel synchronization delayed time modules.
In correlator, time-delay is provided by the time delay synchronization module.With the length that receives is the data immigration register of spreading code length, and multiplying each other with the local spreading code that estimates phase characteristic obtains the information of 1bit, and information is sent into accumulator, repeats above-mentioned process then, all disposes up to N chip received signal.Relatively the result of accumulator in No. three correlators selects to have peaked path, to determine received signal is from which network.As can be seen, most critical is exactly the phase characteristic of utilizing the time delay control spreading code that estimates in the correlator, multiplies each other with the spreading code and the received signal of carrying out the phase place adjustment.
Switching circuit in the receiver block diagram is mainly used in the operating state of Control Network identification module.And the on off operating mode of switching circuit is subjected to the control of the control signal that comprehensive access control module provides.When comprehensive access control module inserts situation according to current terminal, judging does not have terminal to insert, and when promptly integrated access equipment is in idle condition, provides control signal to switching circuit, make it be in path, at this moment the Network Recognition module can be discerned the wireless signal of receiving.After the Network Recognition module has been discerned wireless signal, provide control signal to comprehensive access control module again, comprehensively access control module and then control switch circuit disconnection Network Recognition module again, the data received of front end are directly handled by comprehensive access control module like this, and need not again by the Network Recognition module.When integrated access equipment was in idle condition again, comprehensive access control module just provided control signal to switching circuit, makes it be in channel status.In the interval during this period of time of switching circuit disconnection and connection, comprehensive access control module invokes is handled corresponding to a kind of software submodules of wireless access way.During this period of time, if there is the terminal request of other access waies to insert, comprehensive access control module will not respond.
The structured flowchart of comprehensive access control module as shown in Figure 4.This module is treated data service and speech business with a certain discrimination.For the data service processing of (comprising the audio ﹠ video data), this module is carried out superposeed on interconnected, the same IP agreement TCP layer and application layer protocol with Bluetooth, IEEE802.11b, Zigbee, GSM/GPRS, Internet agreement at the IP layer.These agreements are used physical layer and data link layer (comprising LINK and media access control sublayer) separately respectively.Because in general the architecture of Internet and GSM/GPRS agreement can't be changed, and existing Bluetooth, IEEE802.11b, Zigbee agreement do not provide clear and definite embodiment for how data link layer protocol being fitted to the IP agreement.In the present invention, we have increased adaptation layer on the data link layer of Bluetooth, IEEE802.11b, Zigbee agreement.The effect of adaptation layer is the mapping relations of setting up between IP protocol data bag and the data link layer packets, underlying protocol with Bluetooth, IEEE802.11b, Zigbee is packaged into different virtual ethernet cards respectively, carry is on system bus, the IP agreement has been shielded the difference of underlying protocol, make the IP agreement needn't be concerned about concrete underlying protocol, only need to stick into row and get final product alternately with these virtual ethernets.
Owing to have only Speech Communication between Bluetooth agreement support terminal and the PSTN, thus to the mutual voice service of PSTN, have only the participation of Bluetooth agreement.Application layer control Bluetooth physical layer is set up the voice link with terminal, by audio coder ﹠ decoder (codec) voice are carried out encoding and decoding, after sending to comprehensive access control resume module after the speech coding, pass to transmitting set, or carry out dialing and telephone line interface that tone decoding sends to the PSTN interface module.DTMF transceiver in the application layer control PSTN interface module, according to the PSTN interface protocol, the terminal that inserts is carried out network registration at PSTN, when terminal is left communication range, go registration to PSTN.Application layer control DTMF transceiver and FSK ring detection and demodulator circuit, caller identification and the network signal of detection PSTN.The phone control protocol of Bluetooth can be packaged into the signaling of PSTN network corresponding packet and send to wireless terminal, simultaneously the packet of wireless terminal is resolved to the interface protocol with PSTN, sends to the PSTN switch.
Integrated access equipment uses terminal to connect with the terminal of configuration information management module to a plurality of accesses and manages, wherein stored each terminal information, comprised intercom number to each terminal distribution, terminal address, corresponding to the operating state of each link of terminal key, link handle, terminal, service access code etc.Some attribute of terminal can be arranged among the FLASH of integrated access equipment in advance, and the state setting switch of integrated access equipment must be in the state of setting when being provided with.When the operating state of terminal changed, information can dynamically refresh thereupon.Whether terminal connects with the configuration information management module and can allow new terminal to insert according to current number that accesses terminal and state decision.
Communication pattern switches the different control signals that provide according to Network Recognition module in the receiver with administration module, software radio module, the underlying protocol of Bluetooth or IEEE802.11b or Zigbee called in decision, thereby the data-signal that receives from wireless terminal is made corresponding processing.Communication pattern switches and administration module also can be according to the residing communication pattern of integrated access equipment, call the data that suitable Bluetooth or IEEE802.11b or Zigbee agreement send Internet and GSM/GPRS network and receive processing, issue corresponding wireless terminals.
Accompanying drawing 5 has provided comprehensive access algorithm flow chart of the present invention.As can be seen from the figure, when equipment is in idle condition, perhaps the Radio Access Network signal can be detected, perhaps public network information can be received.If detect the Radio Access Network signal, then carry out Radio Access Network identification, whether the connection situation of the configuration information of inquiry terminal and current terminal allows the access of this terminal with decision.From the information that terminal is sent, judge type of service,, carry out alternately with PSTN if speech business then activates and the PSTN interface module; If data service then activates corresponding virtual ethernet card, activate Internet interface module or GSM/GPRS interface module, communicate with Internet or GSM/GPRS.When receiving public network information, thereby the registered public network device number of system queries table identification external network, according to the communication pattern of current terminal, the communication protocol module that IEEE802.11b/Bluetooth/Zigbee is called in decision carries out with terminal alternately.
Apparatus of the present invention have a plurality of network interfaces, can be applied under the multiple network environment.As can be seen from Figure 6, this equipment can be supported one or more accesses with the data terminal of IEEE802.11b mode work, integrated access equipment is linked among the Internet by network router, can provide data, services to terminal up to 11Mb/s, access to GSM/GPRS also is provided, provides data, services to terminal.Integrated access equipment can also be as the Sink node of Zigbee network, and the data of sensor node collection are merged, handle, are sent among the Internet.This equipment can support one or more Bluetooth voice or data terminal to be linked into PSTN or Internet.The invention provides extensive interface, support access other public correspondence networks.
Claims (3)
1. the integrated access equipment in the heterogeneous network environment is characterized in that this equipment is made up of embedded microprocessor (1), public switched telephone network interface module (2), internet interface module (3), public mobile network interface module (4), network interface expansion module (5), Receiver And Transmitter (6), comprehensive access control module (7), load port (8), state setting switch (9); Wherein embedded microprocessor (1) connects public switched telephone network interface module (2), internet interface module (3), public mobile network interface module (4), network interface expansion module (5), comprehensive access control module (7), load port (8), state setting switch (9) respectively, Receiver And Transmitter (6) joins with comprehensive access control module (7), and the audio coder ﹠ decoder (codec) (21) of comprehensive access control module (7) and public switched telephone network interface module (2) joins; The dual-tone multifrequency transceiver (23) of public switched telephone network interface module (2) and frequency shift keying ring detection and demodulator circuit (24) all are connected to the general input/output port of embedded microprocessor (1), the ethernet transceiver (32) of internet interface module (3) is connected to the Ethernet interface of embedded microprocessor (1), the G18 module (41) of public mobile network interface module (4) is connected to the serial ports of embedded microprocessor (1), the CPLD (51) of network interface expansion module (5), other communications network interface modules (53～5n), all be connected to the data/address bus of embedded microprocessor (1) with comprehensive access control module (7).
2. the integrated access equipment in the heterogeneous network environment according to claim 1 is characterized in that the receiver in the Receiver And Transmitter (6) is made up of smart antenna (61), receiving loop (62), high-frequency amplifier (63), low-converter (64), analog/digital converter (65), switching circuit (66), Network Recognition module (67), comprehensive access control module (7); Smart antenna (61) wherein, receiving loop (62), high-frequency amplifier (63), low-converter (64), analog/digital converter (65), switching circuit (66) order is connected in series, the output of analog/digital converter (65) also connects the input of comprehensive access control module (7), time delay in the output termination Network Recognition module (67) of switching circuit (66) is the input of (671) synchronously, the output of Network Recognition module (67) is promptly relatively adjudicated the signal input end that (673) connect comprehensive access control module (7), the signal input end of the output termination switching circuit (66) of comprehensive access control module (7), embedded microprocessor (1) and public switched telephone network interface module (2); Network Recognition module (67) by the time delay of three-channel parallel synchronously (671), three-channel parallel correlator (672) and relatively judgement (673) order be composed in series; Transmitter is composed in series by comprehensive access control module (7), D/A converter (68), upconverter (69), power amplifier (610), launching circuit (611), smart antenna (61) order, wherein, comprehensive access control module (7) and smart antenna (61) are that Receiver And Transmitter is shared.
3. the implementation method of the integrated access equipment in the heterogeneous network environment as claimed in claim 1, when the integrated access equipment that it is characterized in that being in idle condition detects the Radio Access Network signal, at first carry out Radio Access Network identification, judge signal is from which Radio Access Network; The connection situation of the configuration information of inquiry terminal and current terminal determines whether to allow the access of this terminal again; From the information that terminal is sent, judge type of service,, carry out alternately with public switched telephone network if speech business then activates the public switched telephone network interface module; If data service then activates corresponding virtual ethernet card, activate internet interface module or public mobile network interface module, communicate with the Internet or public mobile network; When receiving the public correspondence network information, system at first carries out the public correspondence Network Recognition, and according to the communication pattern of current terminal, the communication protocol module that IEEE802.11b or Bluetooth or Zigbee are called in decision carries out with terminal alternately again.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100428720C (en) * | 2006-06-14 | 2008-10-22 | 秦毅 | ZigCcc supported method for collecting data of electric energy and device for measuring electric energy |
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Family Cites Families (5)
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| DE10120772A1 (en) * | 2001-04-24 | 2002-11-07 | Siemens Ag | Heterogeneous mobile radio system |
| BR0305016A (en) * | 2002-06-06 | 2004-11-09 | Thomson Licensing Sa | Interaction function (iwf) as logical radio network controller (rnc) for hybrid coupling in an interaction between wlan and a mobile communication network |
| CN100388816C (en) * | 2002-06-06 | 2008-05-14 | 汤姆森特许公司 | Wlan as a logical support node for hybrid coupling in an interworking between wlan and a mobile communications system |
| CN2682758Y (en) * | 2004-02-10 | 2005-03-02 | 厦门纵横集团通信实业开发有限公司 | Wireless access device for fixed telephone network |
| CN100466569C (en) * | 2004-11-18 | 2009-03-04 | 上海大亚科技有限公司 | An ADSL modem and wireless LAN integrated access device |
-
2005
- 2005-09-02 CN CNB2005100941970A patent/CN100338921C/en not_active Expired - Fee Related
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