CN111711972B - Mobile phone conversation system based on link intelligent selection transmission technology - Google Patents
Mobile phone conversation system based on link intelligent selection transmission technology Download PDFInfo
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- CN111711972B CN111711972B CN202010383194.3A CN202010383194A CN111711972B CN 111711972 B CN111711972 B CN 111711972B CN 202010383194 A CN202010383194 A CN 202010383194A CN 111711972 B CN111711972 B CN 111711972B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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Abstract
The invention provides a mobile phone communication system based on link intelligent selection transmission technology, which comprises: the mobile phone comprises a multilink mobile phone, an operator base station, a router, an exchanger and a server group, wherein the multilink mobile phone is in wireless connection with the operator base station and the router, and the router is connected with the exchanger and the server group, and the multilink mobile phone comprises: the multilink control module is used for constructing a main link and an auxiliary link; the main chain route is formed by connecting a multi-link mobile phone with an operator base station; the auxiliary link is formed by connecting a multi-link mobile phone with a router, a switch and a server; the call detection module is used for detecting the signal intensity and the call voice definition and determining the call quality; and the link intelligent selection module is used for connecting the multilink control module with the call detection module, selecting a communicated main link during voice call, and judging whether to execute auxiliary link supplementary call according to call quality.
Description
Technical Field
The invention relates to the technical field of mobile phone communication, in particular to a mobile phone communication system based on a link intelligent selection transmission technology.
Background
At present, when a user is in a signal coverage blind area of multiple operators or is far away from a base station set by the operators, the problem of poor call quality of the user occurs. The situation of discontinuous voice or too much noise may occur during the call, which further results in poor voice call quality and affects the call effect of the client.
Disclosure of Invention
The invention provides a mobile phone conversation system based on a link intelligent selection transmission technology, which is used for solving the problem of poor conversation quality of a user.
A mobile phone conversation system based on link intelligent selection transmission technology is characterized by comprising: a multilink handset, a carrier base station, a router, a switch, and a server set, the multilink handset wirelessly connected to the carrier base station and the router, the router connected to the switch and the server set, wherein,
the multi-link handset includes:
the multilink control module is used for constructing a main link and an auxiliary link; wherein the content of the first and second substances,
the main chain is formed by connecting a multi-link mobile phone with an operator base station;
the auxiliary link is formed by connecting a multi-link mobile phone with a router, a switch and a server;
the call detection module is used for detecting the signal intensity and the call voice definition and determining the call quality;
and the link intelligent selection module is used for connecting the multilink control module with the call detection module, selecting a communicated main link during voice call, and judging whether to execute auxiliary link supplementary call according to call quality.
As an embodiment of the present invention, the multilink control module includes:
the information acquisition unit is used for acquiring the operator base station information and the routing information connected with the multilink mobile phone;
a main link determining unit, configured to connect the multilink mobile phone with an operator base station according to the operator base station information, and construct a main link of the multilink mobile phone; wherein the content of the first and second substances,
at least one main link is provided;
an auxiliary link determining unit, configured to obtain switch information and server information connected to the router according to the routing information, and connect the multilink mobile phone to the router, the switch, and the server to form an auxiliary link of the multilink mobile phone; wherein the content of the first and second substances,
the number of the secondary links is at least one.
As an embodiment of the present invention, the main link determining unit includes:
a primary link control subunit: the system is used for carrying out voice call through the main link when a user calls through the multi-link mobile phone;
the secondary link determining unit includes:
secondary link control subunit: for connecting to the internet through the TCP/IP protocol of the router and transmitting the voice call content to the server group through the switch for information conversion through the internet when the call quality of the main link is low,
the server group comprises an authentication server, a multilink security server and a voip server which are mutually communicated;
the authentication server is used for judging whether the voice call content of the multi-link mobile phone conforms to the voice conversion protocol of the voip server or not and controlling the voip server to execute conversion operation according to the judgment result;
the multilink security server is used for detecting whether an auxiliary link for transmitting the voice call content is secure or not and transmitting the voice call content to the voip server according to a judgment result;
and the voip server converts the voice call content into an IP data packet by a pre-configured analog voice signal digitization technology, and returns the IP data packet to the main link.
As an embodiment of the present invention, the server group further includes a firewall, configured to isolate and protect the voice call content in the secondary link for conversion.
As an embodiment of the present invention, the authentication server, the multi-link security server, and the voip server are a combination of a plurality of servers.
As an embodiment of the present invention, the link intelligent selection module includes:
the main link intelligent selection unit: the voice call processing device is used for selecting a target main link according to the signal intensity and the number of the main links when the voice call is carried out;
and an auxiliary link intelligent selection unit: judging whether the auxiliary link needs to be executed to carry out IP supplementary communication according to the communication quality of the target main link selected by the main link intelligent selection unit during communication and the signal intensity of the operator base station coverage area for carrying out voice transmission in the communication process;
if IP supplementary call is needed: the auxiliary link intelligent selection unit sends the voice call content to the switch through the router, and the switch processes the voice call content into an IP data packet through a server and transmits the IP data packet to an operator base station connected with the main link to execute IP supplementary call;
if IP supplementary call is not needed: and the multi-link mobile phone independently carries out voice communication through the main link.
As an embodiment of the present invention, the call detection module includes:
a signal strength detection unit: the system is used for detecting the signal intensity of an area covered by the operator base station in the voice call process according to the call condition of the main link; wherein the operator base station comprises at least one of:
a mobile operator base station, a telecom operator base station and a Unicom operator base station;
voice call definition detection unit: and the voice call definition is obtained according to the signal strength and the noise in the call of the main link.
As an embodiment of the present invention, when detecting the signal strength of the operator base station for voice call, the signal strength detecting unit specifically includes the following steps:
presetting the signal intensity as P when the clear call is carried out;
determining the signal strength when the call information is sent out during the voice call of the multi-link mobile phone:
setting the distance between the multilink mobile phone which sends the calling information and the operator base station as I, and acquiring the longitude x of the multilink mobile phone which sends the calling informationFLongitude of the base station to which it is connected is xJLatitude y of multilink handset sending out said calling informationFConnected base station with latitude yJAltitude of multilink handset for sending call information is zFAltitude of the point of the connected base station is zJ；
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone which sends the call information as PS, g as an attenuation factor between signal propagation, and T as the transmitting power of the base station, and obtaining a signal strength formula:
acquiring the signal intensity of a multilink mobile phone receiving the call information in the voice call: setting the distance between the multilink mobile phone receiving the call information and the operator base station as I2Acquiring longitude x of multilink mobile phone receiving the call informationsConnected base station longitude of
The latitude of the multilink mobile phone receiving the call information is ysConnected base station latitude of
The elevation of the multilink mobile phone receiving the call information is zsAltitude of the point where it connects to the base station is
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone for receiving the call information as PS2G is the attenuation factor between signal propagation, T2Obtaining the signal strength formula for the transmitting power of the base station connected with the multilink mobile phone for receiving the call information:
the above-mentionedMultilink mobile phone signal strength PS for receiving call information2Comparing the signal strength PS of the multilink mobile phone which sends the calling information with the preset high-quality communication signal strength P respectively; and when the signal intensity of the multilink mobile phone receiving the calling information or the signal intensity of the multilink mobile phone sending the calling information is lower than the preset high-quality communication signal intensity, the multilink mobile phone carries out IP supplementary communication through the auxiliary link.
As an embodiment of the present invention, the detecting module for detecting speech intelligibility includes:
step 1: framing the call voice, and constructing a noise coordinate model YB of the noise of the framed call voice:
wherein i represents a frame number, i is 1,2,3, … … i; xi isaSpeech variance of i-th frame at (X, Y) point, the ξbThe noise variance of the ith frame at the (X, Y) point, wherein G represents the amplitude value of the ith frame at the (X, Y) point; the (X, Y) point is a peak point of each frame of voice in the coordinate model;
step 2: removing noise in the coordinate model, determining a coordinate model YA of the call voice after framing, and determining a signal-to-noise ratio beta:
step 3, substituting the signal-to-noise ratio beta into a preset Fourier threshold model, and judging the speech definition Q;
wherein, the Fourier coefficient of the H frame at the (X, Y) point, the length of the H frame at the (X, Y) point, and the M represents the length time of the i frame at the (X, Y) point;
when Q is larger than 1, the voice is clear;
when Q is less than 1, the speech is unclear.
As an embodiment of the present invention, the call detection module further includes:
a timing detection unit: the method is used for detecting the definition of voice during the call and acquiring the signal-to-noise ratio through the call detection module within the time T1 during the voice call, acquiring the signal-to-noise ratio of the voice call within the time T2 during the time T2, comparing the signal-to-noise ratio with the signal-to-noise ratio within the time T1, and directly judging that the voice call quality is poor when the signal-to-noise ratio changes greatly.
The invention has the advantages that in order to solve the problem of improving the conversation quality of the mobile phone, the mobile phone conversation system based on the link intelligent selection transmission technology is provided, a multilink mobile phone user is in an area with better signal coverage of an operator, and the wireless network of the operator is adopted for conversation; when the user is in an area with poor signal coverage of an operator (multiple users simultaneously), the indoor WiFi technology is intelligently adopted to supplement IP conversation, and therefore the conversation quality level of the user is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a flowchart illustrating an intelligent selection process of the auxiliary link intelligent selection unit according to the embodiment of the present invention.
Fig. 3 is a diagram illustrating signal strength comparison and IP supplementary call determination in an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in figure 1: a mobile phone conversation system based on link intelligent selection transmission technology is characterized by comprising: a multilink handset, a carrier base station, a router, a switch, and a server set, the multilink handset wirelessly connected to the carrier base station and the router, the router connected to the switch and the server set, wherein,
the multi-link handset includes:
the multilink control module is used for constructing a main link and an auxiliary link; wherein the content of the first and second substances,
the main chain is formed by connecting a multi-link mobile phone with an operator base station;
the auxiliary link is formed by connecting a multi-link mobile phone with a router, a switch and a server;
the call detection module is used for detecting the signal intensity and the call voice definition and determining the call quality;
in an area where a mobile phone is located, there is a case where multiple operators have signal base stations, and the signal strength of each operator base station is different according to regions, quality of the base station, and technology. In the prior art, all mobile phones are equipped with the full network communication function, and mostly belong to the dual-card dual-standby function; therefore, the determination of the main link is related to the operator of the mobile phone using the SIM card; any operator in an area has a plurality of operator base stations which can support the communication of the mobile phone, so that a main link exists, and the multi-link mobile phone is connected with the operator base stations of the plurality of operators; the multiple base stations of the multi-link mobile phone and the multiple mobile phones can be connected, and the multi-link mobile phone and the multiple base stations of one operator can be connected under three conditions. The connection of the auxiliary link is related to the WIFI network connected with the multi-link mobile phone at that time, when the auxiliary link is used, the connection is determined according to the router of the WIFI connected with the multi-link mobile phone at that time, and the router of the WIFI gateway can be connected with the equipment of the preset auxiliary link.
The call detection module is used for detecting the signal intensity and the call voice definition and determining the call quality;
when the call quality is detected, according to the detected signal intensity and the definition of the voice call, the call quality takes the definition of the voice heard by a person as a determining factor, and the signal intensity is a main determining factor for determining the definition of the voice call. In the case of noise or other signal interference, the speech intelligibility of the call is not high, and in such a case, the call is also strengthened through the auxiliary link.
And the link intelligent selection module is used for connecting the multilink control module with the call detection module, selecting a communicated main link during voice call, and judging whether to execute auxiliary link supplementary call or not according to call quality, wherein the intelligent selection of the link comprises intelligent selection of the main link and the auxiliary link.
The main chain is formed by wireless connection of a multi-link mobile phone and an operator base station, and a direct call function is realized; the auxiliary link is formed by connecting a multi-link mobile phone with a router, a switch and a server, and the IP supplementary communication function is realized. The invention utilizes the multi-channel transmission technology of the multi-link mobile phone to carry out IP supplementary communication in the area with weak signals covered by the base station of the operator, thereby enhancing the communication quality of the user. The system comprises two signal transmission links, a main link and an auxiliary link, wherein the main link supports two multi-link mobile phones which are in mutual communication to carry out voice communication, and one end for receiving the call and one end for making the call are both in wireless connection with an operator base station. And under the condition of weak signals, the auxiliary link can be intelligently selected to be the auxiliary link consisting of the router, the switch and the server for carrying out the IP supplementary call. In the process of communication, if the signal strength is better, communication is directly carried out through the main link, under the conditions of poor signal, noise or interruption of voice messages and low communication quality, an auxiliary link based on a home network is opened on the basis of the main link, communication information is converted into a data packet which can be added into the main link, and the communication quality is better.
The invention has the advantages that the problem of improving the conversation quality of the mobile phone is solved, the mobile phone conversation system based on the link intelligent selection transmission technology is provided, a multilink mobile phone user is in an area with better signal coverage of an operator, and the operator is adopted for conversation; when the user is in an area with poor signal coverage of an operator (multiple users simultaneously), the indoor WiFi technology is intelligently adopted to supplement IP conversation, and therefore the conversation quality level of the user is improved.
As an embodiment of the present invention, the multilink control module includes:
the information acquisition unit is used for acquiring the operator base station information and the routing information connected with the multilink mobile phone;
the operator information includes the distance from the operator base station to the multilink mobile phone, the operator to which the operator base station belongs, and the number and altitude latitude and longitude of the nearby operator base stations. The routing information includes router information and broadband network information of the wireless WiFi network to which the multi-link handset is connecting.
A main link determining unit, configured to connect the multilink mobile phone with an operator base station according to the operator base station information, and construct a main link of the multilink mobile phone; wherein the content of the first and second substances,
at least one main link is provided;
an auxiliary link determining unit, configured to obtain switch information and server information connected to the router according to the routing information, and connect the multilink mobile phone to the router, the switch, and the server to form an auxiliary link of the multilink mobile phone; wherein the content of the first and second substances,
the number of the secondary links is at least one.
The principle of the invention is based on the multilink control module of the multilink mobile phone, firstly, according to the information of the operator base station, the multilink control module is connected with the operator base station, and at least one main link connected with the operator base station is established; when the number of the operators is multiple, the established main link is at least one main link for each operator. Establishing an auxiliary link, namely, according to a connected WIFI network, not limited to family WIFI, and setting a switch as a preset wireless network connected with a router; the server may be a cloud server or a preset entity server.
The invention has the beneficial effects that: the identity information selection and the outgoing call information processing of the multi-link mobile phone can be realized. The multi-link mobile phone can be controlled to send out call information and receive call information. The main link and the auxiliary link are intelligently selected, and channels of the main link and the auxiliary link are provided to serve as the basis for strengthening conversation.
As an embodiment of the present invention:
the main link determining unit includes:
a primary link control subunit: the system is used for carrying out voice call through the main link when a user calls through the multi-link mobile phone;
the secondary link determining unit includes:
secondary link control subunit: for connecting to the internet through the TCP/IP protocol of the router and transmitting the voice call content to the server group through the switch for information conversion through the internet when the call quality of the main link is low,
the server group comprises an authentication server, a multilink security server and a voip server which are mutually communicated;
the authentication server is used for judging whether the voice call content of the multi-link mobile phone conforms to the voice conversion protocol of the voip server or not and controlling the voip server to execute conversion operation according to the judgment result;
the multilink security server is used for detecting whether an auxiliary link for transmitting the voice call content is secure or not and transmitting the voice call content to the voip server according to a judgment result;
and the voip server converts the voice call content into an IP data packet by a pre-configured analog voice signal digitization technology, and returns the IP data packet to the main link.
The auxiliary link is connected with the WIFI network, processes call data through the Internet and the server, converts the call data of voice call into a data packet, and returns the data packet to the operator base station to supplement the call through IP. In the aspect of processing call information, at least an authentication server is used for judging whether the call information sent by the multilink complies with a voice conversion protocol of the voip server, and a multilink security server is used for detecting whether a link through which the call information passes is secure and transmitting the call information to the voip server; and the server is configured with an analog voice signal digitization technology, converts the call information into the form of the IP data packet and transmits the IP data packet through the Internet. And further, the input information from the end of the auxiliary link, which is used for sending the call information, of the mobile phone is converted into outputtable digital voice in the auxiliary link.
The invention has the beneficial effects that: the voice in the call can be input into the Internet through the home network, and then the completion and conversion of the digital voice technology are carried out through the Internet, clear voice is transmitted into the operator network, and then the clear voice is transmitted into the receiving end of the multi-link mobile phone. The method realizes the clear processing of the voice call content and can convert the voice call content into digital voice which can be added into an operator network. And the safety of voice is ensured in the process.
As an embodiment of the present invention: the server group also includes a firewall for isolating and protecting the voice call content in the secondary link being converted.
The invention also protects the transmitted information through the firewall technology of the server, thereby preventing the content from being damaged and accidents of unexpected transmission failure or slow transmission from occurring in the voice communication process.
The invention has the beneficial effects that: the safety, the integrity and the efficiency of the data information of the voice call in the auxiliary link are ensured.
As an embodiment of the present invention: the authentication server, the multilink security server and the voip server are a combination of a plurality of servers.
The invention controls the authentication, safety and voice digital conversion of the voice call content through various servers.
The invention has the beneficial effects that: the voice call content in the auxiliary link can be safe and meets the standard for digital information conversion.
As an embodiment of the present invention: the link intelligent selection module comprises:
the main link intelligent selection unit: the voice call processing device is used for selecting a target main link according to the signal intensity and the number of the main links when the voice call is carried out;
and an auxiliary link intelligent selection unit: as shown in fig. 2, the secondary link direct selection unit implements intelligent selection of a secondary link through the following procedures, and determines whether the secondary link needs to be executed for IP supplementary call according to the call quality of the target primary link during call and the signal strength of the coverage area of the operator base station;
if IP supplementary call is needed: the auxiliary link intelligent selection unit sends the voice call content to the switch through the router, and the switch processes the voice call content into an IP data packet through a server and transmits the IP data packet to an operator base station connected with the main link to execute IP supplementary call;
if IP supplementary call is not needed: and the multi-link mobile phone independently carries out voice communication through the main link.
The principle of the invention is as follows: in the process of communication, if the signal strength is better, the communication is directly connected through the main link, and under the condition of poor signal and low communication quality, an auxiliary link based on the home network is opened on the basis of the main link, so that the communication quality is better. Based on the multi-channel information technology of the multi-link mobile phone, the signal intensity of one end for making a call and one end for receiving the call is intelligently detected, and whether IP supplementary communication needs to be carried out through an auxiliary link or not is intelligently selected according to the signal intensity so as to enhance the communication quality.
The invention has the advantages that the multilink mobile phone user is in the area with better signal coverage of the operator, and the operator is adopted for communication; when the user is in an area with poor signal coverage of an operator (two operators simultaneously), the indoor WiFi technology is intelligently adopted to supplement IP conversation, and therefore the conversation quality level of the user is improved. The intelligent selection of the link is used for the communication technology, and the auxiliary link is added through the Internet, so that the IP supplementary communication is carried out under the conditions of poor signal strength and poor communication quality. The quality, effect and efficiency of the call are enhanced,
as an embodiment of the present invention: the conversation detection module comprises:
a signal strength detection unit: the system is used for detecting the signal intensity of an area covered by the operator base station in the voice call process according to the call condition of the main link; wherein the content of the first and second substances,
the operator base station comprises a mobile operator base station, a telecom operator base station or a Unicom operator base station;
voice call definition detection unit: and the voice call definition is obtained according to the signal strength and the noise in the call of the main link.
The invention is based on the signal monitoring technology of the multi-link mobile phone, and determines the quality of the call quality by monitoring and detecting the signal intensity of the area covered by the operator base station in the voice call process. And the operator base station is described as including at least one of a mobile operator base station, a telecommunications operator base station, and a communications operator base station.
The invention has the beneficial effects that: the signal intensity of the current area can be measured through a signal monitoring technology of the multi-link mobile phone, so that the call quality is determined and used as a basis for intelligently selecting a call link by the multi-link control module.
As an embodiment of the present invention, as shown in fig. 3: the signal strength detection unit, when detecting the signal strength of the operator base station of the voice call, specifically includes the following steps:
presetting the signal intensity as P when the clear call is carried out;
determining the signal strength when the multilink mobile phone voice call sends out call information:
setting the multilink for sending out the call informationThe distance between the mobile phone and the operator base station is I, and the longitude x of the multilink mobile phone which sends the call information is obtainedFLongitude of the base station to which it is connected is xJLatitude y of multilink handset sending out said calling informationFConnected base station with latitude yJAltitude of multilink handset for sending call information is zFAltitude of the point of the connected base station is zJ；
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone which sends the call information as PS, g as an attenuation factor between signal propagation, and T as the transmitting power of the base station, and obtaining a signal strength formula:
acquiring the signal intensity of a multilink mobile phone receiving the call information in the voice call: setting the distance between the multilink mobile phone receiving the call information and the operator base station as I2Acquiring longitude x of multilink mobile phone receiving the call informationsConnected base station longitude of
The latitude of the multilink mobile phone receiving the call information is ysConnected base station latitude of
The elevation of the multilink mobile phone receiving the call information is zsAltitude of the point where it connects to the base station is
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone for receiving the call information as PS2G is the attenuation factor between signal propagation, T2Obtaining the signal strength formula for the transmitting power of the base station connected with the multilink mobile phone for receiving the call information:
the multi-link mobile phone signal intensity PS for receiving the call information2Comparing the signal strength PS of the multilink mobile phone which sends the calling information with the preset high-quality communication signal strength P respectively; and when the signal intensity of the multilink mobile phone receiving the calling information or the signal intensity of the multilink mobile phone sending the calling information is lower than the preset high-quality communication signal intensity, the multilink mobile phone carries out IP supplementary communication through the auxiliary link.
The invention comprises a signal strength detection technology: the method comprises the steps that the longitude and latitude and the altitude of a transmitting end, the longitude and the altitude of a receiving end and an operator base station are obtained through a multilink control module in a multilink mobile phone, then the distance between the receiving end and the transmitting end and the operator base station is determined, finally, the signal strength is determined, then the signal strength is detected to be compared with the signal strength under the condition of a preset high-quality call, and then whether an IP supplementary call needs to be carried out or not is determined.
The invention has the beneficial effects that: the signal strength between the mobile phone and the operator base station is determined through the positioning technology existing in the intelligent mobile phone, the detected signal strength is compared with a prefabricated signal, and therefore the signal strength can be directly determined when whether IP supplementary conversation mobile phone calling needs to be carried out or not is determined, and then IP supplementary conversation can be directly achieved, the reinforced conversation technology can be synchronously started when calling, and timeliness is high.
As an embodiment of the present invention, the detecting module for detecting speech intelligibility includes:
step 1: framing the call voice, and constructing a noise coordinate model YB of the noise of the framed call voice:
wherein i represents a frame number, i is 1,2,3, … … i; xi isaSpeech variance of i-th frame at (X, Y) point, the ξbThe noise variance of the ith frame at the (X, Y) point, wherein G represents the amplitude value of the ith frame at the (X, Y) point; the (X, Y) point is a peak point of each frame of voice in the coordinate model;
step 2: removing noise in the coordinate model, determining a coordinate model YA of the call voice after framing, and determining a signal-to-noise ratio beta:
step 3, substituting the signal-to-noise ratio beta into a preset Fourier threshold model, and judging the speech definition Q;
wherein, the Fourier coefficient of the H frame at the (X, Y) point, the length of the H frame at the (X, Y) point, and the M represents the length time of the i frame at the (X, Y) point;
when Q is larger than 1, the voice is clear;
when Q is less than 1, the speech is unclear.
The invention has the beneficial effects that: the signal-to-noise ratio of the voice during the call can be brought in through a preset Fourier threshold model, so that whether the voice is clear or not is judged. However, the present invention is premised on that the voice and the noise are divided into frames, and the voice and the noise are divided into frames, in the prior art, the energy of the voice and the noise is different, the peak value of the seeds is judged to judge the voice and the noise through the amplitude spectrum after the frames are divided, the peak value of the voice is low, and the peak value of the noise is high, so the voice and the noise are easy to be distinguished. And calculating a corresponding signal-to-noise ratio, and then judging the speech definition through a preset Fourier threshold model, wherein the judgment of the signal-to-noise ratio mainly comprises the steps of judging that the speech content can not be influenced and forming interference, and if ordinary noise does not influence the speech communication, a speaker can hear the speech clearly, and at the moment, the output speech is clear.
As an embodiment of the present invention, the call detection module further includes:
a timing detection unit: the method is used for detecting the definition of voice during the call and acquiring the signal-to-noise ratio through the call detection module within the time T1 during the voice call, acquiring the signal-to-noise ratio of the voice call within the time T2 during the time T2, comparing the signal-to-noise ratio with the signal-to-noise ratio within the time T1, and directly judging that the voice call quality is poor when the signal-to-noise ratio changes greatly.
The invention has the beneficial effects that: the call quality is detected within the time T1, therefore, the call quality and the signal-to-noise ratio are determined, and the auxiliary link is always opened to assist the call when the signal-to-noise ratio at the time T1 is determined to have influence. However, when the signal-to-noise ratio at the time of T1 has no influence, the signal-to-noise ratio within the time of T1 is taken as a reference at the time of T2, if the signal-to-noise ratio is not changed, the call is normal, the signal-to-noise ratio is changed, the threshold value judgment is passed again, and the detection program is saved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A mobile phone conversation system based on link intelligent selection transmission technology is characterized by comprising: a multilink handset, a carrier base station, a router, a switch, and a server set, the multilink handset wirelessly connected to the carrier base station and the router, the router connected to the switch and the server set, wherein,
the multi-link handset includes:
the multilink control module is used for constructing a main link and an auxiliary link; wherein the content of the first and second substances,
the main chain is formed by connecting a multi-link mobile phone with an operator base station;
the auxiliary link is formed by connecting a multi-link mobile phone with a router, a switch and a server;
the call detection module is used for detecting the signal intensity and the call voice definition and determining the call quality;
the link intelligent selection module is used for connecting the multilink control module with the call detection module, selecting a communicated main link during voice call, and judging whether to execute auxiliary link supplementary call according to call quality;
the link intelligent selection module comprises:
the main link intelligent selection unit: the voice call processing device is used for selecting a target main link according to the signal intensity and the number of the main links when the voice call is carried out;
and an auxiliary link intelligent selection unit: judging whether the auxiliary link needs to be executed to carry out IP supplementary call or not according to the call quality of the target main link during call and the signal intensity of the coverage area of the operator base station;
if IP supplementary call is needed: the auxiliary link intelligent selection unit sends the voice call content to the switch through the router, and the switch processes the voice call content into an IP data packet through a server and transmits the IP data packet to an operator base station connected with the main link to execute IP supplementary call;
if IP supplementary call is not needed: the multi-link mobile phone independently carries out voice call through the main link;
the conversation detection module comprises:
a signal strength detection unit: the system is used for detecting the signal intensity of an area covered by the operator base station in the voice call process according to the call condition of the main link; wherein the content of the first and second substances,
the operator base station comprises a mobile operator base station, a telecom operator base station or a Unicom operator base station;
voice call definition detection unit: and the voice call definition is obtained according to the signal strength and the noise in the call of the main link.
2. The mobile phone conversation system based on the link intelligent selection transmission technology of claim 1, wherein the multilink control module comprises:
the information acquisition unit is used for acquiring the operator base station information and the routing information connected with the multilink mobile phone;
a main link determining unit, configured to connect the multilink mobile phone with an operator base station according to the operator base station information, and construct a main link of the multilink mobile phone; wherein the content of the first and second substances,
at least one main link is provided;
an auxiliary link determining unit, configured to obtain switch information and server information connected to the router according to the routing information, and connect the multilink mobile phone to the router, the switch, and the server to form an auxiliary link of the multilink mobile phone; wherein the content of the first and second substances,
the number of the secondary links is at least one.
3. The mobile phone communication system based on the link intelligent selection transmission technology as claimed in claim 2,
the main link determining unit includes:
a primary link control subunit: the system is used for carrying out voice call through the main link when a user calls through the multi-link mobile phone;
the secondary link determining unit includes:
secondary link control subunit: for connecting to the internet through the TCP/IP protocol of the router and transmitting the voice call content to the server group through the switch for information conversion through the internet when the call quality of the main link is low,
the server group comprises an authentication server, a multilink security server and a voip server which are mutually communicated;
the authentication server is used for judging whether the voice call content of the multi-link mobile phone conforms to the voice conversion protocol of the voip server or not and controlling the voip server to execute conversion operation according to the judgment result;
the multilink security server is used for detecting whether an auxiliary link for transmitting the voice call content is secure or not and transmitting the voice call content to the voip server according to a judgment result;
and the voip server converts the voice call content into an IP data packet by a pre-configured analog voice signal digitization technology, and returns the IP data packet to the main link.
4. The mobile phone conversation system based on the link intelligent selection transmission technology of claim 3, wherein: the server group also includes a firewall for isolating and protecting the voice call content in the secondary link being converted.
5. The mobile phone conversation system based on the link intelligent selection transmission technology of claim 3, wherein: the authentication server, the multilink security server and the voip server are the combination of a plurality of servers.
6. The mobile phone call system based on the link intelligent selection transmission technology as claimed in claim 1, wherein the call detection module detects signal strength, comprising the following steps:
presetting the signal intensity as P when the clear call is carried out;
determining the signal strength when the multilink mobile phone voice call sends out call information:
setting the distance between the multilink mobile phone sending the calling information and the operator base station as I, and acquiring the calling informationLongitude x of the multi-link handsetFLongitude of the base station to which it is connected is xJLatitude y of multilink handset sending out said calling informationFConnected base station with latitude yJAltitude of multilink handset for sending call information is zFAltitude of the point of the connected base station is zJ；
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone which sends the call information as PS, g as an attenuation factor between signal propagation, and T as the transmitting power of the base station, and obtaining a signal strength formula:
acquiring the signal intensity of a multilink mobile phone receiving the call information in the voice call: setting the distance between the multilink mobile phone receiving the call information and the operator base station as I2Acquiring longitude x of multilink mobile phone receiving the call informationsConnected base station longitude of
The latitude of the multilink mobile phone receiving the call information is ysConnected base station latitude of
The elevation of the multilink mobile phone receiving the call information is zsAltitude of the point where it connects to the base station is
The following distance formula is obtained:
setting the signal strength of the multilink mobile phone for receiving the call information as PS2G is the attenuation factor between signal propagation, T2Obtaining the signal strength formula for the transmitting power of the base station connected with the multilink mobile phone for receiving the call information:
the multi-link mobile phone signal intensity PS for receiving the call information2Comparing the signal strength PS of the multilink mobile phone which sends the calling information with the preset high-quality communication signal strength P respectively; and when the signal intensity of the multilink mobile phone receiving the calling information or the signal intensity of the multilink mobile phone sending the calling information is lower than the preset high-quality communication signal intensity, the multilink mobile phone carries out IP supplementary communication through the auxiliary link.
7. The mobile phone conversation system based on the link intelligent selection transmission technology according to claim 1, wherein the conversation detection module detects the speech intelligibility, comprising the steps of:
step 1: framing the call voice, and constructing a noise coordinate model YB of the noise of the framed call voice:
wherein i represents a frame number, i is 1,2,3, … … i; xi isaSpeech variance of i-th frame at (X, Y) point, the ξbThe noise variance of the ith frame at the (X, Y) point, wherein G represents the amplitude value of the ith frame at the (X, Y) point; the (X, Y) point is a peak point of each frame of voice in the coordinate model;
step 2: removing noise in the coordinate model, determining a coordinate model YA of the call voice after framing, and determining a signal-to-noise ratio beta:
step 3, substituting the signal-to-noise ratio beta into a preset Fourier threshold model, and judging the speech definition Q;
wherein, the Fourier coefficient of the H frame at the (X, Y) point, the length of the H frame at the (X, Y) point, and the M represents the length time of the i frame at the (X, Y) point;
when Q is larger than 1, the voice is clear;
when Q is less than 1, the speech is unclear.
8. The mobile phone call system based on the link intelligent selection transmission technology as claimed in claim 1, wherein the call detection module further comprises:
a timing detection unit: the method is used for detecting the definition of voice during the call and acquiring the signal-to-noise ratio through the call detection module within the time T1 during the voice call, acquiring the signal-to-noise ratio of the voice call within the time T2 during the time T2, comparing the signal-to-noise ratio with the signal-to-noise ratio within the time T1, and directly judging that the voice call quality is poor when the signal-to-noise ratio changes greatly.
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