CN101197899A - Wireless fax processing method, fax proxy device and wireless terminal - Google Patents
Wireless fax processing method, fax proxy device and wireless terminal Download PDFInfo
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- CN101197899A CN101197899A CNA200710177954XA CN200710177954A CN101197899A CN 101197899 A CN101197899 A CN 101197899A CN A200710177954X A CNA200710177954X A CN A200710177954XA CN 200710177954 A CN200710177954 A CN 200710177954A CN 101197899 A CN101197899 A CN 101197899A
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Abstract
The invention discloses a wireless fax processing method, a fax agent device and a wireless terminal, wherein, the method comprises that: a wireless terminal side receives fax data; the received fax data is made a conversion which accords with the fax protocol or the IP protocol; the converted fax data is sent. By converting the fax data with a mode which accords with the fax protocol or the IP protocol at the wireless terminal side and then sending the fax data, the embodiment of the invention ensures that the fax protocol does not need to get across empty ports in the fax service which takes advantage of a wireless network, reduces the transmission delay, ensures that the fax protocol defined on a wired transmission chain based on small delay and less error codes is terminated at the wireless terminal side, the success rate of the fax service in the wireless network is made to be greatly improved, and the quality of the wireless fax service is guaranteed.
Description
Technical field
The present invention relates to a kind of network communications technology, relate in particular to a kind of radio facsimile processing method, fax agent device and wireless terminal.
Background technology
Facsimile art has formed 4 class modes (Group1～Group4) in the years of development process, wherein 1 class, 2 classes (G1, G2 FAX) fax all adopt analog-modulated, analogue transmission mode for old model, and these two kinds of fax mode speed are low, be subject to disturb, now superseded.
Group-3 fax (G3 FAX) adopts analog-modulated, digital transmission mode, and speed is fast, and antijamming capability is strong.In conjunction with numeral exchange public telephone network (PSTN), and the terminal of its use (facsimile machine) technology maturation, easy and simple to handle, with low cost, can transmit figure and text, have very high Information Security again, make Group-3 fax become a kind of very successful telecommunication service in the PSTN network.
4 classes faxes (G4 FAX) adopt digital coding, and the mode of Digital Transmission is a kind of fax mode that is defined on the isdn network.4 classes faxes can provide the speed higher than Group-3 fax, but since isdn network do not grow up, the costing an arm and a leg of group 4 facsimile apparatus, this facsimile art does not obtain sizable application in real network.
Wherein, the above-mentioned Group-3 fax that in PSTN, uses, its core be by ITU-T T.30 (facsimile rules) and T.4/T.6 (message coding) agreement defined.At present the Group-3 fax machine of producing is based on protocol development T.30, the facsimile service quality of this facsimile machine has the characteristics to the Network Transmission delay-sensitive, be that Network Transmission postpones little and postpone that the fax quality is good under the fixing situation, success rate is high that Network Transmission postpones greatly then to fax is of poor quality, success rate is low.Mainly be because in the facsimile service of PSTN network, the PSTN network only provides the transparent circuitry of setting up point-to-point interchange channel, the encoding-decoding process of facsimile negotiation and message, and error control, flow control function all are to carry out in mode end to end.And the sort circuit switching network of PSTN network belonging has and postpones little and postpone fixingly, and error code is few, the characteristics of constant flow, and T.30 agreement defines at sort circuit switching network characteristics just.
Along with the appearance of cordless communication network technology with popularize, produced the intercommunication of faxing between heterogeneous networks, and the demand of in cordless communication network, using facsimile service.
Existing GSM, UMTS, the radio facsimile agreement that defines in several wireless networks such as CDMA, be and on the basis of the data service of existing circuit-switched network, define, the protocol stack model of this radio facsimile protocols abstract as shown in Figure 1, IWF (InterWorkingFunction in the radio facsimile scheme that provides wherein, fax gateway) is deployed in the BSC/RAN (base station controller/wireless access network) or MSC (the Mobile switching center of network side, mobile main dispatching centre) on, facsimile protocol and facsimile data are by the radio open fundamental service channel, between MT (Mobile Terminal, wireless terminal) and IWF, carry out mutual and processing.Because the radio open link transmission postpones big, error code is also big, is not suitable for based on postponing for a short time, and the T.30 agreement that defines on the few wire transmission link of error code causes the radio facsimile service success rate of present various Radio Network Systems generally lower, even can't be commercial.
The cdma wireless network system has also defined a kind of analogue simulation agreement, this analogue simulation protocol stack frame model as shown in Figure 2, (specifically can referring to the IS707A agreement):
In this analogue simulation protocol stack frame model, MT is carried on facsimile data on the TCP/IP/PPP/RLP protocol stack and is transmitted into BS (base station)/MSC (mobile switching centre) by eat dishes without rice or wine (Um mouth), and facsimile data is modulated by IWF at last and sent to other fax Modem (modulator-demodulator) processing.The delay of radio open transmission is wherein not only arranged, and among the TCP, RLP protocol stack data are had buffer memory; The re-transmission affirmation mechanism of TCP and RLP has also increased the weight of transmission delay to a certain extent.
To in the process that facsimile service is realized existing facsimile art and the wireless network, the inventor finds that there is following problem at least in above-mentioned prior art from above-mentioned:
(1) since Group-3 fax in the wireless network implementation procedure, facsimile protocol and facsimile data are by the radio open fundamental service channel, between MT and IWF, carry out mutual and processing, and because the radio open link transmission postpones greatly, error code is also big, be not suitable for based on postponing little, the T.30 facsimile protocol that defines on the few wire transmission link of error code, cause the radio facsimile service success rate of present various Radio Network Systems generally lower, can't satisfy commercial requirement.
(2) in the wireless network based on cdma system, MT is carried on facsimile data on the TCP/IP/PPP/RLP protocol stack and is transmitted into BS/MSC by eat dishes without rice or wine (Um mouth), and facsimile data is modulated by IWF at last and sent to other fax Modem processing.The delay of radio open transmission is wherein not only arranged, and among the TCP, RLP protocol stack also there is certain delay in the data buffer memory; The re-transmission affirmation mechanism of TCP and RLP has also increased the weight of transmission delay to a certain extent.It is that standard facsimile machine radio facsimile success rate in based on the wireless network of cdma system of core is lower that this delay causes with agreement T.30, and facsimile service is of poor quality.
Summary of the invention
The embodiment of the invention provides a kind of radio facsimile processing method, fax agent device and wireless terminal.The embodiment of the invention has been avoided the problem that the facsimile protocol leap is eated dishes without rice or wine in original radio facsimile processing method by at the traditional facsimile protocol of wireless terminal side termination, has guaranteed the success rate and the fax quality of radio facsimile business.
A kind of radio facsimile processing method comprises:
The wireless terminal side joint is received facsimile data;
The facsimile data that receives is met the conversion of facsimile protocol or IP agreement;
Facsimile data after the conversion is sent.
A kind of fax agent device comprises:
Receiving element, the data of receiving faxes;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
A kind of wireless terminal comprises:
Receiving element, the data of receiving faxes;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
The technical scheme that is provided by the invention described above embodiment as can be seen, the embodiment of the invention is by carrying out sending after the conversion process in the mode that meets facsimile protocol or IP agreement to facsimile data in the wireless terminal side, make based on postponing little, the facsimile protocol that defines on the few wire transmission link of error code is terminated in the wireless terminal side, in utilizing the facsimile service of wireless network, make facsimile protocol not need to stride to eat dishes without rice or wine, reduced transmission delay, facsimile service success rate in the wireless network is improved greatly, and guaranteed the quality of radio facsimile business.
Description of drawings
The protocol stack model schematic diagram of facsimile service in the wireless network that Fig. 1 provides for prior art;
The protocol stack frame model schematic diagram of the facsimile service of the cdma wireless network system that Fig. 2 provides for prior art;
Fig. 3 is the network architecture schematic diagram that the radio facsimile processing method of the embodiment of the invention is used;
Fig. 4 is the protocol stack frame model schematic diagram of the radio facsimile processing method of the embodiment of the invention;
Fig. 5 is the flow chart of the radio facsimile disposal methods data of the embodiment of the invention one;
Fig. 6 is the flow chart of the radio facsimile disposal methods data of the embodiment of the invention two;
Fig. 7 is the flow chart of the radio facsimile disposal methods data of the embodiment of the invention three;
Fig. 8 is the fax agent apparatus structure block diagram of the embodiment of the invention four;
Fig. 9 is the fax agent apparatus structure block diagram of the embodiment of the invention five;
Figure 10 is the structural representation of the wireless terminal of the embodiment of the invention six;
Figure 11 is the structural representation of the wireless terminal of the embodiment of the invention seven.
Embodiment
For convenience of description, the facsimile data of mentioning that meets the IP agreement can be called IP packet fax data, and the facsimile data that will meet facsimile protocol directly is called facsimile data.
The embodiment of the invention provides a kind of radio facsimile processing method, fax agent device and wireless terminal, wherein, described radio facsimile processing method, be in the wireless terminal side facsimile data that meets facsimile protocol that is sent by facsimile machine that receives to be converted to the form that meets IP protocol of I P packet fax data to send through wireless network, or will send to facsimile machine with the facsimile data form that meets facsimile protocol through the IP packet fax data that wireless terminal receives by wireless terminal.This method is terminated in the wireless terminal side facsimile protocol that utilizes wireless network to carry out the facsimile machine use of facsimile service, facsimile protocol to delay-sensitive does not need to stride to eat dishes without rice or wine, the influence that makes facsimile service not postponed by wireless network, success rate improves greatly, and effectively guaranteed the fax quality, also improved efficiency of transmission.
The applied network architecture of radio facsimile processing method in the embodiment of the invention as shown in Figure 3, the protocol stack frame model of applied radio facsimile processing method as shown in Figure 4, wherein said wireless terminal side all refers to wireless terminal, fax agent and the facsimile machine place side in Fig. 3 network architecture.This method is at FT (FAX terminal, the standard facsimile machine) and between the MT (Mobile Terminal wireless terminal) increase FA (FAX Agent, fax agent) device, the facsimile data that FT is sent by FA meets the conversion process of facsimile protocol or IP agreement.
Described method specifically comprises: the form according to IP packet fax data behind the facsimile data that FA receives and storage FT sends is sent to MT, sends to the FA of the MT of the side of receiving faxes by Radio Network System through MT;
FA receives through the IP packet fax data of MT reception and according to the facsimile data form that meets facsimile protocol and sends to FT.
Describe below in conjunction with the concrete application of particular flow sheet the radio facsimile processing method.
Embodiment one
As shown in Figure 5, wherein, provided in the radio facsimile business and to have divided the calling and called facsimile machine that is located at the different radio end side to carry out in facsimile service the handling process of fax-traffic is specifically comprised:
The facsimile service request of the caller fax agent response caller facsimile machine that step 52, caller facsimile machine are connected, and set up the facsimile service passage with the caller facsimile machine, the facsimile data that the caller fax agent receives by the facsimile service passage of setting up and storage caller facsimile machine sends;
After step 56, called fax agent are finished and received whole IP packet fax data, discharge the grouped data interface channel of having set up between caller fax agent and the called fax agent by called fax agent or caller fax agent; The caller fax agent discharges the shared memory space of having stored of facsimile data simultaneously;
Above-mentioned flow process has been finished fax service data processing procedure in wireless network, the facsimile data that the caller fax agent that caller facsimile machine by wireless terminal connects sends the caller facsimile machine is sent to the called fax agent that the called facsimile machine of another wireless terminal side connects through Radio Network System in the mode of packet data exchanged (IP packet fax data), the IP packet fax data that called fax agent will receive and store are sent to called facsimile machine with the form of the facsimile data that meets facsimile protocol and require, make facsimile protocol terminate in the wireless terminal side at the caller facsimile machine place of initiating the facsimile service request, make facsimile protocol to delay-sensitive not need to stride again and eat dishes without rice or wine, reduced wireless network and postponed influence that radio facsimile success rate and facsimile service quality are caused.
Embodiment two
As shown in Figure 6, the calling and called facsimile machine carries out in the handling process of fax-traffic of a facsimile service, can be to receive in the facsimile data process of caller facsimile machine at the caller fax agent, converting facsimile data to IP packet fax data sends to called fax agent by wireless network, be that the caller fax agent can adopt while receiving the mode that sends and handles facsimile data, specifically comprise:
Step 61, calling subscriber's caller facsimile machine is initiated the facsimile service request by Radio Network System to called subscriber's called facsimile machine;
The facsimile service request of the caller fax agent response caller facsimile machine that step 62, caller facsimile machine are connected, and set up the facsimile service passage with the caller facsimile machine, the facsimile data that the caller fax agent receives by the facsimile service passage of setting up and storage caller facsimile machine sends;
After step 63, caller fax agent are finished the whole facsimile datas that receive the caller facsimile machine, discharge the facsimile service passage of having set up between caller facsimile machine and the caller fax agent, i.e. facsimile link by caller facsimile machine or caller fax agent;
Whole facsimile datas that the caller facsimile machine that step 65, caller fax agent will receive and store by the described grouped data interface channel of setting up sends are sent to called fax agent with the form of IP packet fax data; The IP packet fax data that called fax agent receives and storage is received;
Whole IP packet fax data that step 68, called fax agent will be stored are sent to after called facsimile machine finishes by the facsimile service passage of setting up, discharge the facsimile service passage of having set up between the two by called fax agent or called facsimile machine, called fax agent discharges the shared memory space of having stored of IP packet fax data simultaneously.
In the above-mentioned handling process, receive in the facsimile data process of caller facsimile machine at the caller fax agent, the facsimile data of receiving and storing is sent by the called fax agent of wireless network to called fax pusher side with the form of IP packet fax data simultaneously, and need not wait for and sending again after the caller fax agent all receives the facsimile data that the caller facsimile machine sends, improved the processing speed of radio facsimile.
Embodiment three
As shown in Figure 7, main, called facsimile machine carries out in the handling process of fax-traffic of a facsimile service, can be that the caller fax agent is in the process of the facsimile data that receives the caller facsimile machine, converting facsimile data to IP packet fax data sends to called fax agent by wireless network, be that the caller fax agent can adopt edge joint to receive the processing mode that the limit sends to the processing of facsimile data, and called fax agent is in the IP packet fax data procedures that receives the transmission of caller fax agent, send to called facsimile machine after simultaneously IP packet fax data transaction being become facsimile data, be that the mode that called fax agent also can adopt edge joint to receive the limit transmission to the processing of facsimile data is carried out, specifically comprise:
The facsimile service request of the caller fax agent response caller facsimile machine that step 72, caller facsimile machine are connected, and set up the facsimile service passage with the caller facsimile machine, the facsimile data that the caller fax agent receives by the facsimile service passage of setting up and storage caller facsimile machine sends;
Whole facsimile datas that the caller facsimile machine that step 75, caller fax agent will receive and store by the grouped data interface channel of setting up sends are sent to called fax agent with the form of IP packet fax data;
After step 76, the IP packet fax data that called fax agent receives and storage is received, called fax agent are finished and received whole IP packet fax data, discharge the grouped data interface channel of having set up between the two by called fax agent or caller fax agent; And the caller fax agent discharges the shared memory space of being stored of facsimile data simultaneously;
After whole IP packet fax data that step 78, called fax agent will receive and store are sent to called facsimile machine by the facsimile service passage of setting up, discharge the facsimile service passage of having set up between the two by called fax agent or called facsimile machine, called fax agent discharges the shared memory space of having stored of IP packet fax data simultaneously.
In the above-mentioned handling process, not only receive in the process of facsimile data of caller facsimile machine at the caller fax agent, the facsimile data of receiving and storing is sent by the called fax agent of wireless network to called fax pusher side with the form of IP packet fax data simultaneously, and receive in the IP packet fax data procedures of caller fax agent at called fax agent, the IP packet fax data of receiving and storing are transmitted to called facsimile machine with the form of facsimile data simultaneously, make the master, called facsimile machine two side datas send, handle and all carry out simultaneously, reduce the process of waiting for, effectively improved the processing speed of radio facsimile business.
Embodiment four
As shown in Figure 8, the embodiment of the invention also provides a kind of fax agent device, and this device comprises:
Receiving element, the data of receiving faxes or IP packet fax data, and store by memory cell;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
Embodiment five
As shown in Figure 9, a kind of fax agent device is provided in the present embodiment in addition, on the basis of the foregoing description four described devices, interface management unit can be set, manage (as managing) to being connected to one or more facsimile machines on this device by the address of this interface management unit to a plurality of facsimile machines of being connected by this interface management unit.There is the port address information at the facsimile machine place of annexation in all promptly can to dispose it in the interface management unit of fax agent device, with a plurality of facsimile machine equipment of convenient management connection.
Embodiment six
As shown in figure 10, the embodiment of the invention provides a kind of wireless terminal again, and this wireless terminal can be realized all functions of existing wireless terminal by the wireless terminal processing unit, and this wireless terminal also comprises:
Receiving element, the data of receiving faxes;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
Embodiment seven
On the basis of embodiment six described wireless terminals, as shown in figure 11, this wireless terminal can also be provided with interface management unit, manages (as managing by the address of this interface management unit to a plurality of facsimile machines of being connected) to being connected to one or more facsimile machines on this wireless terminal by this interface management unit.There is the port address information at the facsimile machine place of annexation in all promptly can to dispose it in the interface management unit of wireless terminal, with a plurality of facsimile machine equipment of convenient management connection.
In sum, the radio facsimile processing method of the embodiment of the invention, facsimile protocol (T.30/T.4) and the dual processing capacity of IP agreement have been realized by between wireless terminal and facsimile machine, increasing fax agent, the facsimile data that facsimile machine can be produced be stored and send according to IP packet fax data, simultaneously the IP packet fax data that receive is sent to facsimile machine according to the facsimile data form (T.30/T.4) of facsimile protocol.Make facsimile protocol terminate in the wireless terminal side, when utilizing wireless network to carry out facsimile service, need not stride and eat dishes without rice or wine, the success rate and the fax quality of radio facsimile business have been guaranteed, and the radio facsimile processing method of the embodiment of the invention can not changed original standard facsimile machine, can be applied in easily in the network of all-IP framework.
Above-described each embodiment is for technical scheme of the present invention is described, the orbution before and after not having between each embodiment, and do not cause restriction because of the sequence number of each embodiment.And each embodiment only is the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. a radio facsimile processing method is characterized in that, comprising:
The wireless terminal side joint is received facsimile data;
The facsimile data that receives is met the conversion of facsimile protocol or IP agreement;
Facsimile data after the conversion is sent.
2. method according to claim 1 is characterized in that, described facsimile data to reception meets being converted to of facsimile protocol or IP agreement:
The facsimile data that receives is met the conversion of facsimile protocol or IP agreement by the fax agent of wireless terminal side.
3. method according to claim 2 is characterized in that, described fax agent comprises the conversion that the facsimile data that receives meets facsimile protocol or IP agreement:
The facsimile data that meets facsimile protocol that fax agent will receive and store is converted to the facsimile data that meets the IP agreement;
The facsimile data that meets the IP agreement that fax agent will receive and store is converted to the facsimile data that meets facsimile protocol.
4. method according to claim 2 is characterized in that, described method also comprises:
Facsimile data after will changing by the fax agent of wireless terminal side sends.
5. method according to claim 4 is characterized in that, described method further comprises:
Send in the fax agent conversion facsimile data process;
Perhaps, fax agent sends after finishing and receiving and store whole facsimile datas and conversion.
6. a fax agent device is characterized in that, comprising:
Receiving element, the data of receiving faxes;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
7. device according to claim 6 is characterized in that, described device further comprises:
Interface management unit manages the facsimile machine that is connected on this device.
8. a wireless terminal is characterized in that, comprising:
Receiving element, the data of receiving faxes;
Conversion processing unit meets the facsimile data of described receiving element reception the conversion of facsimile protocol or IP agreement;
Transmitting element is with the facsimile data transmission of described conversion processing unit conversion.
9. wireless terminal according to claim 8 is characterized in that, described wireless terminal further comprises:
Interface management unit manages the facsimile machine that is connected on this wireless terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA200710177954XA CN101197899A (en) | 2007-11-22 | 2007-11-22 | Wireless fax processing method, fax proxy device and wireless terminal |
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| CNA200710177954XA CN101197899A (en) | 2007-11-22 | 2007-11-22 | Wireless fax processing method, fax proxy device and wireless terminal |
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| CN101197899A true CN101197899A (en) | 2008-06-11 |
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| CNA200710177954XA Pending CN101197899A (en) | 2007-11-22 | 2007-11-22 | Wireless fax processing method, fax proxy device and wireless terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047574A1 (en) * | 2009-10-23 | 2011-04-28 | 中兴通讯股份有限公司 | Data processing method, system and device thereof |
| CN102045873A (en) * | 2010-09-15 | 2011-05-04 | 中兴通讯股份有限公司 | Radio facsimile method, terminal and system |
| CN101657027B (en) * | 2009-09-10 | 2012-12-05 | 普天通信有限责任公司 | Wireless faxing method, device and system |
| WO2013134980A1 (en) * | 2012-03-14 | 2013-09-19 | 中兴通讯股份有限公司 | Wireless fax retransmission method and device |
-
2007
- 2007-11-22 CN CNA200710177954XA patent/CN101197899A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101657027B (en) * | 2009-09-10 | 2012-12-05 | 普天通信有限责任公司 | Wireless faxing method, device and system |
| WO2011047574A1 (en) * | 2009-10-23 | 2011-04-28 | 中兴通讯股份有限公司 | Data processing method, system and device thereof |
| CN102045873A (en) * | 2010-09-15 | 2011-05-04 | 中兴通讯股份有限公司 | Radio facsimile method, terminal and system |
| WO2013134980A1 (en) * | 2012-03-14 | 2013-09-19 | 中兴通讯股份有限公司 | Wireless fax retransmission method and device |
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Application publication date: 20080611 |