CN104754154A - International telephone communication system and method - Google Patents
International telephone communication system and method Download PDFInfo
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- CN104754154A CN104754154A CN201310747169.9A CN201310747169A CN104754154A CN 104754154 A CN104754154 A CN 104754154A CN 201310747169 A CN201310747169 A CN 201310747169A CN 104754154 A CN104754154 A CN 104754154A
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Abstract
The invention provides an international telephone communication system. The system comprises a first small-power base station device, a concentrated small-power base station device and a mobile phone, wherein the first small-power base station device and the mobile phone are in foreign country and can perform wireless communication; an SIM card of the mobile phone is domestic card; the concentrated small-power base station device is in domestic and communicates with the first small-power base station device through the internet and communicates with a domestic mobile base station by a wireless manner. The invention further relates to a communication method using the system. The system and the method have the beneficial effects that the domestic concentrated small-power base station and the foreign first small-power base station are communicated through the internet; a user going to the foreign country with domestic mobile phone can call or dial domestic number through the foreign first small-power base station, and the cost is small, so that the international roaming cost can be saved.
Description
Technical field
The present invention relates to communication field, particularly the transnational telephonic communication system of one and the means of communication.
Background technology
Universal along with mobile phone, increasing people has oneself mobile phone, and some people may go abroad because of operational needs, it is to travel that some people goes abroad, due to communication standard, the frequency range difference of countries in the world, so go to different countries, the mobile phone of needs is also different.The mobile communication standard that the current whole world adopts roughly has GSM and CDMA standard, and according to the difference of frequency range, GSM is divided into 850mHz, 900mHz, 1800mHz, 1900mHz, and the classification of CDMA is more complicated, CDMA 800mHz, 1900mHz of being that such as Korea S adopts, the communication standard of Japan is just more complicated.Our domestic current employing that be that GSM 900/1800mHz, CDMA adopt is the CDMA 800mHz of separation between machine and card.What adopt due to the U.S. is 850, the network of the GSM of 1900mHz frequency range, and therefore we need when going to the U.S. to change three-frequency mobile phone, and for the friend of man of Korea S in past days, needs to change abroad mobile phone, add extra spending to user; Go the friend of European Region then need not change mobile phone, because the GSM standard of European Region is domestic identical with us, therefore domestic mobile phone can normally use at European Region, no matter need not need again to buy mobile phone, make a phone call abroad or answer the call, its telephone expenses are all higher.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of making a phone call abroad or answering the call costly of prior art, provides a kind of and makes a phone call abroad or transnational telephonic communication system that expense of answering the call is lower and the means of communication.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of transnational telephonic communication system, comprise the first small-power base station equipment, centralized small-power base station equipment and mobile phone, described first small-power base station equipment and mobile phone are placed on abroad, SIM card in described mobile phone is domestic card, described centralized small-power base station equipment is placed on domestic, described first small-power base station equipment and described centralized small-power base station equipment pass through internet communication, described mobile phone and described first small-power base station equipment wireless telecommunications, described centralized small-power base station equipment also carries out wireless telecommunications with domestic mobile base station.
In transnational telephonic communication system of the present invention, described first small-power base station equipment comprises the first wireless communication module carrying out wireless telecommunications with described mobile phone, the first signal for the described mobile phone transmission received by described first wireless communication module converts the first transducer of secondary signal to, for compressing described secondary signal and obtaining a DSP circuit of packed data, and respectively with described first wireless communication module, first transducer is connected with a DSP circuit and controls described first wireless communication module respectively, one CPU of the first transducer and a DSP circuit.
In transnational telephonic communication system of the present invention, described centralized small-power base station equipment comprise by the Internet receive described packed data the second wireless communication module, to contract the 2nd DSP circuit obtaining described secondary signal, the second transducer being used for described secondary signal to convert to described first signal for described packed data being carried out decompress(ion), and be connected with described second wireless communication module, the second transducer and the 2nd DSP circuit respectively and control the 2nd CPU of described second wireless communication module, the second transducer and the 2nd DSP circuit respectively.
In transnational telephonic communication system of the present invention, described centralized small-power base station equipment and one or more described first small-power base station equipment pass through internet communication.
In transnational telephonic communication system of the present invention, described first signal is analog signal, and described secondary signal is digital signal.
In transnational telephonic communication system of the present invention, described the Internet comprises wireless network.
The invention still further relates to a kind of means of communication utilizing above-mentioned transnational telephonic communication system, the described means of communication comprise method of calling, and described method of calling comprises the steps:
A) judge whether mobile phone sends call signal to described first small-power base station equipment, in this way, performs step B); Otherwise, proceed the judgement of this step;
B) convert described call signal to secondary signal, and described secondary signal is carried out compression obtain the first packed data;
C) described first packed data is sent to described centralized small-power base station equipment by the Internet;
D) decompress(ion) is carried out to described first packed data and obtain described secondary signal, and convert described secondary signal to call signal;
E) described call signal is sent to described domestic mobile base station to set up call.
Utilize in the means of communication of above-mentioned transnational telephonic communication system of the present invention, described call signal is analog signal, and described secondary signal is digital signal.
Utilize in the means of communication of above-mentioned transnational telephonic communication system of the present invention, the described means of communication also comprise answering method, and described answering method comprises the steps:
What A') judge whether described centralized small-power base station equipment receive that described domestic mobile base station sends dials signal, in this way, performs step B'), otherwise, proceed the judgement of this step;
B') described signal of dialing is converted to the 3rd signal, and described 3rd signal is carried out compression obtains the second packed data;
C') described second packed data is sent to described first small-power base station equipment by the Internet;
D') described second packed data is carried out decompress(ion) and obtain described 3rd signal, and dial signal described in being converted to by described 3rd signal;
E') described signal of dialing is sent to described mobile phone to set up call by wireless channel.
Utilize in the call-out method of above-mentioned transnational telephonic communication system of the present invention, described the Internet comprises wireless network.
Implement transnational telephonic communication system of the present invention and the means of communication, there is following beneficial effect: owing to using the first small-power base station equipment, centralized small-power base station equipment and mobile phone, first small-power base station equipment and mobile phone are placed on abroad, SIM card in mobile phone is domestic card, centralized small-power base station equipment is placed on domestic, first small-power base station equipment and centralized small-power base station equipment pass through internet communication, mobile phone and the wireless telecommunications of centralized small-power base station equipment, centralized small-power base station equipment also carries out wireless telecommunications with domestic mobile base station, when cell phone incoming call, incoming telephone signal is passed to the first small-power base station equipment by centralized small-power base station equipment by the Internet, then call is set up, when handset call, call signal is passed to centralized small-power base station equipment by the first small-power base station equipment by the Internet, converse with setting up after the communication of domestic mobile base station, although mobile phone abroad, but the positional information of the mobile phone that Domestic Carriers is found still at home, namely the districts and cities residing for centralized small-power base station equipment, so the telephone expenses received like this are exactly city telephone rate, save international roaming telephone expenses.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of system in the transnational telephonic communication system of the present invention and means of communication embodiment;
Fig. 2 is the flow chart of incoming call method in described embodiment;
Fig. 3 is the particular flow sheet of call-out method in described embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In the transnational telephonic communication system of the present invention and means of communication embodiment, the structural representation of its transnational telephonic communication system as shown in Figure 1.In Fig. 1, this system comprises the first small-power base station equipment 1, centralized small-power base station equipment 2 and mobile phone 3, first small-power base station equipment 1 and mobile phone 3 are placed on abroad, SIM card in mobile phone 3 is domestic card, centralized small-power base station equipment 2 is placed on domestic, first small-power base station equipment 1 passes through internet communication with centralized small-power base station equipment 2, mobile phone 3 and the first small-power base station equipment 1 wireless telecommunications, centralized small-power base station equipment 2 also carries out wireless telecommunications with domestic mobile base station.
In the present embodiment, the first small-power base station equipment 1 comprises the first wireless communication module 11, a CPU12, the first transducer 13 and a DSP circuit 14; Wherein, first wireless communication module 11 carries out wireless telecommunications with mobile phone 3, the first signal that first transducer 13 sends for the mobile phone 3 received by the first wireless communication module 11 converts secondary signal to, one DSP circuit 14 is for compressing secondary signal and obtaining packed data, and a CPU12 is connected with the first wireless communication module 11, first transducer 13 and a DSP circuit 14 respectively and controls the first wireless communication module 11, first transducer 13 and a DSP circuit 14 respectively.Centralized small-power base station equipment 2 passes through internet communication with one or more first small-power base station equipment 1.That is a centralized small-power base station equipment 2 is placed at home, can place a first small-power base station equipment 1 respectively in multiple country, namely a centralized small-power base station equipment 2 can carry out communication with multiple first small-power base station equipment 1 by the Internet.Above-mentioned first signal is analog signal, and secondary signal is digital signal.In the present embodiment, the Internet comprises wireless network.
In the present embodiment, centralized small-power base station equipment 2 comprises the second wireless communication module 21, the 2nd CPU22, the second transducer 23 and the 2nd DSP circuit 24; Wherein, second wireless communication module 21 is by the Internet receiving compressed data, 2nd DSP circuit 24 contracts obtain secondary signal for packed data being carried out decompress(ion), second transducer 23 is for converting secondary signal to first signal, and the 2nd CPU22 is connected with the second wireless communication module 11, second transducer 23 and the 2nd DSP circuit 24 respectively and controls the second wireless communication module 21, second transducer 23 and the 2nd DSP circuit 24 respectively.
When user is with mobile phone 4 to go abroad, mobile phone 4 sends handshaking information by the first small-power base station equipment 1, centralized small-power base station equipment 2 with domestic mobile base station successively, when network delay is not oversize, generally all can shake hands successfully in mobile phone 4 and domestic mobile base station.The computer system of domestic network operator also can not detect mobile phone 4 abroad, the data of the positional information about mobile phone 4 deposited in its database or mobile phone 4 data at home, is exactly specifically the districts and cities at centralized small-power base station equipment 2 place.So, although mobile phone 4 is abroad, due to the information shown in domestic operator's computer system be the position of mobile phone 4 at home, so its telephone expenses are received, so which save international roaming telephone expenses by mobile phone 4 expense at home.In the other situation of the present embodiment, the first small-power base station equipment 1 can be also a computer, and mobile phone 4 is connected with computer by data wire, so also can realize above-mentioned functions.
The present embodiment also relates to a kind of means of communication utilizing above-mentioned transnational telephonic communication system, and these means of communication comprise method of calling, and the flow chart of this method of calling as shown in Figure 2.In Fig. 2, this method of calling comprises the steps:
Step S01 judges whether mobile phone sends call signal to the first small-power base station equipment: in this step, whether mobile phone sends call signal to the first small-power base station equipment, this call signal is analog signal, if the judged result of this step is yes, then performs step S02; Otherwise, proceed the judgement of this step.
Step S02 converts call signal to secondary signal, and secondary signal is carried out compression obtains the first packed data: if the judged result of above-mentioned steps S01 is yes, then perform this step.In this step, convert call signal to secondary signal, and secondary signal is carried out compression obtain the first packed data, this secondary signal is digital signal.In this step, in fact convert analog signal to digital signal exactly, and digital signal is carried out compression obtain the first packed data.Above-mentioned the Internet comprises wireless network.
First packed data is sent to centralized small-power base station equipment by the Internet by step S03: in this step, and the first packed data is sent to centralized small-power base station equipment by the Internet (wireless network).
Step S04 carries out decompress(ion) to the first packed data and obtains secondary signal, and convert secondary signal to call signal: in this step, decompress(ion) is carried out to the first packed data and obtains secondary signal, and convert secondary signal to call signal, also namely first decompress(ion) is carried out to the first packed data and obtain digital signal, then digital signal is converted to analog signal, achieves call signal reduction.At this moment be just equivalent to make a phone call at home.
Call signal is sent to domestic mobile base station to set up call by step S05: in this step, call signal is sent to domestic mobile base station, call signal is sent to the computer system of Virtual network operator by domestic mobile base station, and namely call information is fed back to the computer system of Virtual network operator by domestic mobile base station.Computer system finds the community at called mobile phone place, namely finds the community at the number place of called mobile phone.If have found the community at called mobile phone place, the base station transmit signals of community, called mobile phone place, notifies called mobile phone by control channel (as specific frequency), and called mobile phone finds after calling oneself, so ring.When called mobile phone receives the IMSI(International Mobile Subscriber Identification Number of oneself, international mobile subscriber identity) time the frequency range that will specify at network and extract the information setting up call and service authentication in the time, thus set up and converse.IMSI is the mark of difference mobile subscriber, is stored in the SIM card of domestic called mobile phone, can be used for the effective information distinguishing mobile subscriber.So its expense of making a phone call abroad is the same with domestic, save international roaming expense.In like manner, mobile phone sends message is also carry out according to the method described above.
In the means of communication in the present embodiment, these means of communication also comprise answering method, and the flow chart of this answering method as shown in Figure 3.In Fig. 3, this answering method comprises the steps:
Step S01' judge centralized small-power base station equipment whether receive domestic mobile base station send dial signal: in this step, judge centralized small-power base station equipment whether receive domestic mobile base station send dial signal, this dials signal is analog signal.If the judged result of this step is yes, then perform step S02', otherwise, proceed the judgement of this step.
Step S02' will dial signal and be converted to the 3rd signal, and the 3rd signal is carried out compression obtain the second packed data: if the judged result of above-mentioned steps S01' is yes, then perform this step.In this step, to dial signal and be converted to the 3rd signal, and the 3rd signal is carried out compression obtain the second packed data, the 3rd signal is digital signal, namely convert analog signal to digital signal, and digital signal is carried out compression obtain the second packed data.
Second packed data is sent to the first small-power base station equipment by the Internet by step S03': in this step, second packed data is sent to the first small-power base station equipment by the Internet, specifically by the second wireless communication module, the second packed data is sent to the first wireless communication module by the Internet exactly.
Second packed data is carried out decompress(ion) and obtains the 3rd signal by step S04', and the 3rd signal is converted to dials signal: in this step, second packed data is carried out decompress(ion) and obtain the 3rd signal, and the 3rd signal is converted to dials signal, 3rd signal is digital signal, concrete second packed data is carried out decompress(ion) obtains digital signal exactly, and digital signal is converted to analog signal, is also namely reduced into and dials signal.
Step S05' will dial signal and be sent to mobile phone to set up call by wireless channel: in this step, will dial signal and be sent to mobile phone to set up call by wireless channel.Although be make a phone call to being in external mobile phone like this, actual being equivalent to makes a phone call to domestic mobile phone, in like manner, message is sent to this mobile phone also the same with domestic, so save international roaming expense.
In the other situation of the present embodiment, the first small-power base station equipment can be substituted by computer, is at this moment connected by data wire with computer by mobile phone.Like this, corresponding communication modes can be selected according to actual conditions, make communication modes more flexible like this.
In a word, in the present embodiment, it both can be wireless communication mode between first small-power base station equipment and mobile phone, also can tap in succession to work by data wire and computer direct and interrogate, so it is flexible and convenient to use, external mobile phone, when making a phone call or receive calls, is just equivalent to make a phone call at home or receive calls, so its expense is abroad the same with expense at home, so which save international roaming expense.In other words, by the Internet, got up in centralized small-power base station at home and the first small-power base station contacts abroad, user carries domestic mobile phone and goes abroad abroad, user can utilize the first small-power base station abroad, answer or dial domestic call, make a phone call abroad or expense of answering the call lower, save international roaming telephone expenses.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a transnational telephonic communication system, it is characterized in that, comprise the first small-power base station equipment, centralized small-power base station equipment and mobile phone, described first small-power base station equipment and mobile phone are placed on abroad, SIM card in described mobile phone is domestic card, described centralized small-power base station equipment is placed on domestic, described first small-power base station equipment and described centralized small-power base station equipment pass through internet communication, described mobile phone and described first small-power base station equipment wireless telecommunications, described centralized small-power base station equipment also carries out wireless telecommunications with domestic mobile base station.
2. transnational telephonic communication system according to claim 1, it is characterized in that, described first small-power base station equipment comprises the first wireless communication module carrying out wireless telecommunications with described mobile phone, the first signal for the described mobile phone transmission received by described first wireless communication module converts the first transducer of secondary signal to, for compressing described secondary signal and obtaining a DSP circuit of packed data, and respectively with described first wireless communication module, first transducer is connected with a DSP circuit and controls described first wireless communication module respectively, one CPU of the first transducer and a DSP circuit.
3. transnational telephonic communication system according to claim 2, it is characterized in that, described centralized small-power base station equipment comprises the second wireless communication module being received described packed data by the Internet, contract obtain the 2nd DSP circuit of described secondary signal for described packed data being carried out decompress(ion), for described secondary signal being converted to the second transducer of described first signal, and respectively with described second wireless communication module, second transducer is connected with the 2nd DSP circuit and controls described second wireless communication module respectively, 2nd CPU of the second transducer and the 2nd DSP circuit.
4. transnational telephonic communication system according to claim 1, is characterized in that, described centralized small-power base station equipment and one or more described first small-power base station equipment pass through internet communication.
5. the transnational telephonic communication system according to Claims 2 or 3, is characterized in that, described first signal is analog signal, and described secondary signal is digital signal.
6. transnational telephonic communication system according to claim 5, is characterized in that, described the Internet comprises wireless network.
7. utilize means of communication for transnational telephonic communication system as claimed in claim 1, it is characterized in that, the described means of communication comprise method of calling, and described method of calling comprises the steps:
A) judge whether mobile phone sends call signal to described first small-power base station equipment, in this way, performs step B); Otherwise, proceed the judgement of this step;
B) convert described call signal to secondary signal, and described secondary signal is carried out compression obtain the first packed data;
C) described first packed data is sent to described centralized small-power base station equipment by the Internet;
D) decompress(ion) is carried out to described first packed data and obtain described secondary signal, and convert described secondary signal to call signal;
E) described call signal is sent to described domestic mobile base station to set up call.
8. the means of communication utilizing transnational telephonic communication system according to claim 7, is characterized in that, described call signal is analog signal, and described secondary signal is digital signal.
9. the means of communication of transnational telephonic communication system according to claim 7, is characterized in that, the described means of communication also comprise answering method, and described answering method comprises the steps:
What A') judge whether described centralized small-power base station equipment receive that described domestic mobile base station sends dials signal, in this way, performs step B'), otherwise, proceed the judgement of this step;
B') described signal of dialing is converted to the 3rd signal, and described 3rd signal is carried out compression obtains the second packed data;
C') described second packed data is sent to described first small-power base station equipment by the Internet;
D') described second packed data is carried out decompress(ion) and obtain described 3rd signal, and dial signal described in being converted to by described 3rd signal;
E') described signal of dialing is sent to described mobile phone to set up call by wireless channel.
10. the means of communication of the transnational telephonic communication system according to claim 7 to 9 any one, is characterized in that, described the Internet comprises wireless network.
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| CN201310747169.9A CN104754154A (en) | 2013-12-27 | 2013-12-27 | International telephone communication system and method |
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| CN201310747169.9A CN104754154A (en) | 2013-12-27 | 2013-12-27 | International telephone communication system and method |
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| CN104754154A true CN104754154A (en) | 2015-07-01 |
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