CN201887954U - Double network data mobile communication terminal - Google Patents
Double network data mobile communication terminal Download PDFInfo
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- CN201887954U CN201887954U CN2010202953112U CN201020295311U CN201887954U CN 201887954 U CN201887954 U CN 201887954U CN 2010202953112 U CN2010202953112 U CN 2010202953112U CN 201020295311 U CN201020295311 U CN 201020295311U CN 201887954 U CN201887954 U CN 201887954U
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Abstract
The utility model provides a double network data mobile communication terminal which comprises a private network communication unit, a public network communication unit and a central control process module, wherein the private network communication unit is used for private network signal communication, the public network communication unit is used for public network signal communication, and the central control process module is coupled with the private network communication unit and the public network communication unit respectively, so as to control the private network communication unit and the public network communication unit.
Description
Technical field
The utility model relates to moving communicating field, particularly relates to two netting index word mobile communication terminals of a kind of compatibility with public net and private network.
Background technology
Public network and private network mobile communication are the two big applications that have the different application background in the mobile communication.Both respectively have its characteristics.
Public network refers to the public mobile communication system, it is known by the public and is widely used, and comprises TD-SCDMA system, WCDMA system, CDMA2000 system of gsm system, cdma system and the third generation public mobile communication system of second generation public mobile communication system etc.With respect to the private network mobile communication system, the main feature of public network mobile communication system is: 1, network coverage is wide, and technology maturation is reliable, supports polytype business such as speech, data, image, video at present; 2, towards the personal user, no priority difference between each user; 3, processes such as must experience dialling, call out, connect, the other side replys is set up in conversation.
The private network mobile communication is then with the master that is applied as of concrete sector application or some specific area, have the public mobile communication system irreplaceable following advantage: 1, the private network mobile communication has exclusive User Priority, that is to say, the different user of private network has different priority, and generally understand the limiting telecommunication duration, so just high-grade user's communications can be at first guaranteed, thereby when emergency situation takes place, in time assigning of dispatch control order can be guaranteed; 2, the anti-damage of private network mobile communication is better, because it has networking flexibility, can be independent of characteristics such as base station work, even if so link down between base station and the control centre, also can guarantee the efficient communication between the user in the base station, and general public network if base station damage just can't communicate by letter; 3, the private network mobile communication has PTT one key call function, its time of call established remains on a millisecond rank, promptly can continue in a mode that pushes to talk, the called off-hook that need not can be answered, the speed that continues is very fast, and general public network call is set up the time that needs several seconds even tens seconds, needing to be not suitable for frequent application scenario of talk times and all kinds of emergency communication occasion.Except above-mentioned advantage, the private network mobile communication also has highly reliable confidentiality, networking function, powerful group calling fast and grouies busy function, the plurality of advantages such as sector application function that once do not need monthly to pay service charge, powerful dispatch control function after dropping into and make to measure for every profession and trade.
The basic function of private network mobile communication system generally comprises group calling, generally call, broadcast exhale, secret is exhaled and interconnect call calling etc.Supplementary functions generally comprises dispatcher-controlled territory selection, multipriority, urgent call, lag enter, dynamically reorganization, dispatching desk are tolled breakdown/intrusion, fail soft, direct mode operation, VPN function etc., and functions such as bi-directional authentification, aerial encryption, End to End Encryption can also be provided for the special user.And the public mobile communication system since its mainly towards public users, its function does not then have the specific (special) requirements of this respect.
Because public network mobile communication system and private network mobile communication system respectively have its characteristics, so in the various moving communicating field of current demand, this two classes mobile communication system still can't the phase trans-substitution, and can only be to complement one another, therefore at present, private network and public network will long-term co-existence.Yet long-term co-existence just because of private network and public network, thereby make troubles for the user of some industries, for example the staff of these special industries is at work except the public network portable terminal (for example mobile phone) that will carry the periodic traffic use, the private network portable terminal of also will the work of carrying using (for example intercom) so just can be very loaded down with trivial details.In addition, owing to use two portable terminals, so can increase a lot of costs without doubt.
In view of above-mentioned a variety of causes, the urgent hope of people can be developed a kind of public network mobile communication system that can be used for can be used for the handheld terminal of private network mobile communication system again, thereby makes a portable terminal can satisfy the various communication requirements of public network and private network simultaneously.
In addition, because public network and private network belong to two different cover mobile communication system, thereby two net hand-held communication terminal should comprise the radio-frequency module that is used for public network, comprise the radio-frequency module that is used for private network again.And the power of the radio-frequency module of present private network is generally all more than 3W reaches, this powerful radio frequency will be quite serious to the interference of public network radio frequency, so when two radio-frequency modules were combined, how avoiding disturbing each other was how public network radio frequency and private network radio frequency realize that electromagnetic compatibility just becomes this field problem demanding prompt solution.In addition, the control of the combination of function and coordination, priority etc. also is the difficult point and the key point place of the two net hand-held communication terminals of development between two cover mobile communication system.
The utility model content
In order to overcome the one or more defectives in the existing above-mentioned defective in the prior art, the utility model provides a kind of digital mobile communication terminal, and it not only can be used for the public network mobile communication but also can be used for the private network mobile communication.
According to an aspect of the present utility model, a kind of dual network mobile communication terminal is provided, it comprises: the private network communication unit, it is used to carry out the private network signal communication; The public network communication unit, it is used to carry out the public network signal communication; And central control treatment module, it is coupled with described private network communication unit and public network communication unit respectively, thereby described private network communication unit and public network communication unit are controlled.
Preferably, described private network communication unit comprises private network radio-frequency (RF) receiving and transmission module and private network antenna, this private network radio-frequency (RF) receiving and transmission module comprise with the base band modulus of described central control treatment module coupling and D/A converter module, with the private network rf receiver unit of described base band modulus and D/A converter module coupling and private network rf transmitter unit and the transmit-receive switch that is coupled respectively with described private network rf receiver unit and private network rf transmitter unit.
Preferably, described dual network mobile communication terminal also comprises respectively input-output apparatus, power management module, CODEC and touch screen controller, bluetooth module, GPS module, WIFI module, RFID module and/or the functional interfaces with central control treatment module coupling.
Preferably, described power management module is configured to have mode of operation and energy-saving mode, wherein, when described dual network mobile communication terminal did not receive any signal of communication or input instruction after the process scheduled time yet, described power management module entered energy-saving mode.
Preferably, described public network communication unit comprises public network radio frequency baseband processing module and public network antenna, and the operating frequency that is provided with between described public network radio frequency baseband processing module and public network antenna with this public network radio frequency baseband processing module is the band pass filter at center.
Preferably, the operating frequency that is provided with the private network radio-frequency (RF) receiving and transmission module between described private network radio-frequency antenna and described private network radio-frequency (RF) receiving and transmission module is the band pass filter at center.
Preferably, in described private network radio-frequency (RF) receiving and transmission module and/or public network radio frequency baseband processing module outside electro-magnetic shielding cover is set.
Preferably, being positioned at being used on the circuit board of described private network radio-frequency (RF) receiving and transmission module transmits holding wire big as far as possible distance of each interval under the situation that circuit-board laying-out allows of different capacity signal.
Preferably, ground wire is set carrying out electromagnetic shielding between the holding wire that transmits the different capacity signal, and/or delivering power is about 0dBm or is arranged between two stratum of described circuit board less than the holding wire of the signal of 0dBm.
Preferably, transmit the filter capacitor that is provided with on the holding wire of different capacity signal corresponding to the frequency of signal that this holding wire transmits in being used on the circuit board of described private network radio-frequency (RF) receiving and transmission module.
Preferably, stratum in the circuit board of described private network radio-frequency (RF) receiving and transmission module and bus plane are set at same one deck, and AC signal layer and described stratum and bus plane are not in same one deck.
Preferably, the audio coder ﹠ decoder (codec) that described central control treatment module comprises the functional unit dispatching management module and is coupled with this functional unit dispatching management module, described audio coder ﹠ decoder (codec) adopt the multi-speed encoding/decoding mode to carry out encoding and decoding.
Preferably, described audio coder ﹠ decoder (codec) adopts 2.4kbit/s speed and carries out encoding and decoding less than the compression coding and decoding method of 2.4kbit/s speed for the private network communication signal.
Preferably, described compression coding and decoding method comprises that the encoding and decoding of MELP-MELP, SELP-sinusoidal excitation linear prediction encoding and decoding, HELP-harmonic excitation linear prediction encoding and decoding, AMBE-advanced person are with the advanced person's of excitation encoding and decoding speech, RALCWI-robust low-complexity waveform to insert in the code decode algorithm one or more more.
Preferably, the control command sent according to the functional unit dispatching management module of described audio coder ﹠ decoder (codec) is called public network voice coding/decoding algorithms or private network voice coding/decoding algorithms or is realized the conversion of private network decoding algorithm to the conversion of public network encryption algorithm or realization public network decoding algorithm to the private network encryption algorithm.
Preferably, described central control treatment module comprises also and the mutual forward functionality of two nets of functional unit dispatching management module coupling that the mutual forward functionality of this pair net is used to realize that the automatic of speech, data message transmitted mutually between private network and public network.
Preferably, the mutual forward functionality of described two nets adopts store-and-forward mode to realize described mutual automatically the forwarding.
Preferably, described central control treatment module comprises also and the priority controlled function unit of functional unit dispatching management module coupling that described priority controlled function unit is used for the priority that the control setting private network communication is communicated by letter with public network.
Preferably, described central control treatment module also comprises the adaptation function unit with functional unit dispatching management module coupling, described adaptation function unit be used to make private network communication unit and public network communication unit as main with, standbyly carry out mutual automatic switchover.
Preferably, described central control treatment module also comprises the automated power control unit with the coupling of functional unit dispatching management module, described automated power control unit is used for regulating automatically according to the power index that the transmission of private network rf receiver unit or private network rf transmitter unit is come the gain of the signal amplifier of described private network rf receiver unit or private network rf transmitter unit, to reach best communication effect.
Preferably, described central control treatment module also comprises the application level function unit, the application level function of compatible private network communication of mobile terminal in this application level function unit and public network communication of mobile terminal.
Technique scheme of the present utility model has following one or more advantage:
1, two netting index word mobile communication terminals of providing of the utility model had both comprised all functions of public network mobile communication terminal (for example mobile phone), comprised the peculiar functions of private network such as scheduling that private network mobile communication terminal (for example intercom) had, commander, PTT again;
2, the utility model has taken into full account the advantage of public network and private network, by multimedia communication characteristics by public network, make the private network hand-held mobile terminal possess the transmittability and the camera function of speech, data, image simultaneously, strengthened the function of private network hand-held mobile terminal greatly;
3, the digital mobile communication terminal that provides of the utility model has guaranteed under the preferential situation of private network by adopting the priority control mode, can realize that two nets automatically switch;
4, the utility model has solved the electromagnetic compatibility problem between private network communication unit and public network communication unit and the public network extended function module (for example bluetooth, GPS etc.).Particularly, the utility model has adopted quarantine measures such as antenna isolation, radome isolation, circuit-board laying-out isolation, thereby prevented the electromagnetic interference between other radio frequency part such as private network radio-frequency (RF) receiving and transmission module and public network radio frequency baseband processing module, thereby guaranteed these radio-frequency modules receiving sensitivity index separately;
5, the digital mobile communication terminal that provides of the utility model is owing to can realize changing mutually between public network and private network voice coder/decoding process, so can guarantee the seamless forwarding of speech information between public network and the private network; In addition, the digital mobile communication terminal that the utility model provides is owing to calling the audio coder ﹠ decoder (codec) of public network or private network according to current working state automatically, so can greatly guarantee the communication efficiency of this digital mobile communication terminal;
6, the digital mobile communication terminal that provides of the utility model is owing to have automatic power control module, thus can regulate the transmitting-receiving power of private network radio-frequency (RF) receiving and transmission module automatically, thereby can obtain best sound effect.
Description of drawings
In order to describe exemplary embodiment of the present utility model in more detail, will carry out reference to accompanying drawing now, in the accompanying drawings:
Fig. 1 is the general structure block diagram according to two netting index word mobile communication terminals of the utility model embodiment.
Fig. 2 is according to the structural representation block diagram of the private network radio-frequency (RF) receiving and transmission module shown in the utility model preferred embodiment, Fig. 1.
Fig. 3 is according to the functional structure schematic block diagram of the central control treatment module shown in the utility model preferred embodiment, Fig. 1.
Embodiment
Some term is used to refer to particular system component from start to finish in present specification.As skilled in the art will recognize, can indicate identical parts with different titles usually, thereby present specification is not intended to distinguish those just different rather than at the different parts of function aspects nominally.In present specification, with open form use that term " comprises ", " comprising " and " having ", and so it should be interpreted as meaning " including but not limited to ... ".In addition, term " coupling " mean indirectly, directly, optics or wireless being electrically connected.Thereby, if first device coupled to second equipment, then connect can by direct electrical connection, by via miscellaneous equipment with the indirect electrical connection that is connected, be electrically connected or realize by wireless being electrically connected by optics.In addition, term " system " refers to the set of two or more hardware and/or software part, and can be used to refer to electronic equipment, such as the part of computer, computer, the combination of computer etc.
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
Fig. 1 shows the general structure block diagram according to two netting index word mobile communication terminals of the utility model embodiment.Generally speaking, of the present utility model pair of netting index word mobile communication terminal comprises private network communication unit, public network communication unit and central control treatment module.Wherein the reception and the emission of private network signal mainly is responsible in the private network communication unit; The public network communication unit mainly is responsible for the reception and the emission of public network signal; Central control treatment module then is responsible for the control and the coordination of whole pair of netting index word mobile communication terminal, for example central control treatment module can realize conversion mutually between public network and private network voice coder/decoding process, can guarantee the seamless forwarding of speech information between public network and the private network.
As shown in Figure 1, this digital mobile communication terminal comprises central control treatment module 10 and the public network radio frequency baseband processing module 20, private network radio-frequency (RF) receiving and transmission module 80, input-output apparatus 50 and the power management module 40 that are coupled with this central authorities' control treatment module 10.In addition, this digital mobile communication terminal also comprises extended function module 30, CODEC (codec) and touch screen control module 60 and other interface 70 (for example functional interfaces such as serial ports, charging inlet) that is coupled with central control treatment module 10 alternatively.
Above-mentioned extended function module 30 can preferably include one or more in the types of functionality module of using in the public network mobile communication such as bluetooth module 301, GPS module 302, WIFI module (not shown), RFID module (not shown).
Above-mentioned input-output apparatus 50 comprises one or more in the input-output apparatus such as button and/or card reader 503, camera head 502, LCD display 501, loud speaker 504, earphone 505, microphone 506, and the user can be undertaken various types of mutual by this input-output apparatus 50 and digital mobile communication terminal.
Above-mentioned power management module 40 preferably is configured to have mode of operation and energy-saving mode.When this digital mobile communication terminal is used when operations such as conversing or send short messages by the user, power management module 40 is in mode of operation.And when digital mobile communication terminal does not receive any input instruction or signal after the process scheduled time yet, power management module 40 is controlled power supply, to allow this digital mobile communication terminal work in a battery saving mode, can realize energy-conservation, purpose of power saving whereby.In addition, power management module 40 can also preferably be arranged to digital mobile communication terminal public network or private network list net mode of operation.Under public network list net mode of operation, the private network communication module will not worked, that is: the private network communication module is stopped power supply, so it can not receive and dispatch information such as private network speech, data; And under private network list net mode of operation, the public network communication module will not worked, and corresponding public network communication service will stop.So also can reach the purpose of energy saving, thereby make more durable of digital mobile communication terminal.
Public network radio frequency baseband processing module 20 can be one of them in the public network radio frequency baseband processing module of any standards such as GSM, CDMA, TD-SCDMA, CDMA2000, WCDMA.According to preferred embodiment of the present utility model, public network radio frequency baseband processing module 20 is improved, be specially: between this public network radio frequency baseband processing module 20 and public network radio-frequency antenna 90 operating frequency with this public network radio frequency baseband processing module 20 being set is the band pass filter at center, to reach the outer purpose of isolating of band, thereby prevent that the private network radiofrequency signal from producing electromagnetic signal to this public network radio frequency baseband processing module 20 and disturbing, with the public network receiving sensitivity partly that improves this digital mobile communication terminal.Yet the preferred embodiment optionally, is not that digital mobile communication terminal described in the utility model is necessary just.
Above-mentioned private network radio-frequency (RF) receiving and transmission module 80 is coupled with central control treatment module 10, is used to carry out the private network mobile communication.Accompanying drawing 2 shows the structure chart according to private network radio-frequency (RF) receiving and transmission module 80 the utility model preferred embodiment, among Fig. 1.
As shown in Figure 2, private network radio-frequency (RF) receiving and transmission module 80 comprises: base band modulus and digital to analog converter 801, private network rf receiver unit 802, private network rf transmitter unit 803, duplexing transmit-receive switch 804 and private network radio-frequency antenna 91.
Described base band modulus and digital to analog converter 801 and central control treatment module 10 couplings are used for the input signal from central control treatment module 10 is carried out the baseband modulation line number mould conversion of going forward side by side, so that this input signal is converted to analog baseband signal; Afterwards this analog baseband signal is sent to the private network rf transmitter unit 803 of this transducer 801 coupling carrying out carrier modulation, thereby via transmit-receive switch 804 and private network radio-frequency antenna 91 emission carrier (boc) modulated signals.In addition, when this private network radio-frequency (RF) receiving and transmission module 80 is in accepting state, at first receive the private network radiofrequency signal of being propagated in the space via private network radio-frequency antenna 91, this private network radiofrequency signal that receives is sent in the private network rf receiver unit 802 to carry out base band and carrier wave demodulation via transmit-receive switch 804 then, restituted signal is sent to the base band modulus afterwards and digital to analog converter 801 carries out analog-to-digital conversion, at last the signal after the analog-to-digital conversion is sent to central control treatment module 10 to carry out respective handling, this processing will be described in detail below.
According to a preferred embodiment of the present utility model, arrange position to described private network radio-frequency antenna 91, itself and public network radio-frequency antenna 90, bluetooth module special-purpose radio-frequency antenna 92 and/or GPS radio-frequency antenna 93 are separated and take the electromagnetic isolation measure, with the phase mutual interference between the radiofrequency signal that prevents each radio-frequency antenna.Preferably, the operating frequency that is provided with the private network radio-frequency (RF) receiving and transmission module between described private network radio-frequency antenna 91 and duplexing transmit-receive switch 804 is the band pass filter at center, to reach the outer purpose of isolating of band, thereby prevent that the public network radiofrequency signal from producing electromagnetic interference to private network radio-frequency (RF) receiving and transmission module 80, improve the receiving sensitivity of the private network part of this digital mobile communication terminal then.
In addition, according to another preferred embodiment of the present utility model,, surrounding this private network radio-frequency (RF) receiving and transmission module 80, thereby prevent mutual interference mutually between private network and public network radiofrequency signal at described private network radio-frequency (RF) receiving and transmission module 80 outer setting electro-magnetic shielding covers.Alternatively, also can be at described public network radio frequency baseband processing module 20 outer setting electro-magnetic shielding covers, to comprise this public network radio frequency baseband processing module 20; Perhaps not only at private network radio-frequency (RF) receiving and transmission module 80 outer setting electro-magnetic shielding covers but also at public network radio frequency baseband processing module 20 outer setting electro-magnetic shielding covers, thereby avoid phase mutual interference between above-mentioned radiofrequency signal better.
According to a preferred embodiment more of the present utility model, described private network radio-frequency (RF) receiving and transmission module 80 is taking the quarantine measures on the layout to prevent the phase mutual interference between radiofrequency signal on the Printed Circuit Board Design.To be described in detail this below.
According to a preferred embodiment of the present utility model, implement electromagnetic isolation on the described circuit-board laying-out by realizing being isolated from each other of various power signals on the circuit board.Generally all a lot of signals can be arranged on the circuit board, the signal (its power can reach 30dBm or higher) after amplifying as power amplifier, receive by antenna signal (its power may diminish to-110dBm), the signal (its magnitude of voltage is at 0-3.3v) or the like of numerical portion on the VCO control signal (0dBm is smaller for its power ratio) of private network radio frequency part, circuit board.And especially high-power signal can produce electromagnetic interference to the little signal of power between these signals, therefore, in order to make dual network mobile communication terminal of the present utility model have better communication performance, the utility model is preferably such that the transfer path of signal in circuit board of various power is separate, for example, can be so that the signal transmission path of various power under the situation of circuit-board laying-out permission, separate big as far as possible distance between (the especially transfer path of the transfer path of the signal of the relatively large power the signal after power amplifier amplifies and the signal of relative smaller power such as the signal that receives by antenna).In addition; preferably; can also implement electromagnetic shielding to the holding wire of the signal that transmits various power; for example: can between the holding wire of the signal that transmits different capacity, ground wire be set; or can delivering power is less the holding wire of signal of (for example be about 0dBm or less than 0dBm) be arranged between two stratum of circuit board so that protect this lower-powered signal not to be subjected to the interference of high-power signal.
According to a preferred embodiment more of the present utility model, can in circuit, add filter capacitor, for example, according to the difference of the frequency of the signal that each holding wire transmitted, and on each holding wire, add filter capacitor corresponding to each signal frequency value, with of the interference of other signal of bypass to transmitted signal;
In addition, preferably, the utility model can also carry out the integrality design to signal and power supply, promptly the general rule according to the integrality design designs, open circuit, stratum and the bus plane of for example avoiding signal and power supply to flow to preferably are arranged on on one deck, but AC signal layer and this stratum and bus plane are not in one deck etc.
Need to prove that above-mentioned various electromagnetic isolation measures both can be adopted separately, the employing that also can combine (be about to above-mentioned any two or multiple electromagnetic isolation measure in conjunction with).
Next will be in conjunction with the accompanying drawings 3 structure and the workflows of describing the central control treatment module 10 shown in Fig. 1 in detail.
As shown in Figure 3, central control treatment module 10 comprise functional unit dispatching management module (being operating system) 101 and with audio coder ﹠ decoder (codec) 109, private network communication protocol stack unit 102, application level function unit 103, public network communication protocol stack cell 104 and the mutual forward functionality 108 of two net of this module 101 couplings.
In addition, central control treatment module 10 can also preferably include automated power control unit 105, priority controlled function unit 106 and adaptation function unit 107.
To introduce each functional part that this central authorities' control treatment module 10 is comprised in detail below.
Described audio coder ﹠ decoder (codec) 109 adopts the code encoding/decoding mode of many speed of using in the various types of communication to carry out encoding and decoding.Preferably, the various types of compact decoding method that adopts 2.4kbit/s speed to reach less than 2.4kbit/s speed for the private network communication funtion part (comprises MELP (encoding and decoding of Mixed Excitation Linear Prediction MELP), SELP (Sinusoidal excitation linear prediction sinusoidal excitation linear prediction encoding and decoding), HELP (Harmonic excitation linear prediction harmonic excitation linear prediction encoding and decoding), AMBE (Advanced Multi-Band Excitation Speech Coder advanced person is with advanced many band excitation algorithms of excitation encoding and decoding speech-U.S. DVSI company more), in RALCWI (advanced person's of robust advanced low Complexity Waveform Interpolation robust low-complexity waveform the inserts encoding and decoding) scheduling algorithm one or more) carry out encoding and decoding.And the public network communication function is partly adopted the compression coding and decoding method (as using the RPE-LTP scheduling algorithm) of defined in the public network relevant communication protocol of other speed (for example the speed of the 13kbit/s of GSM etc.) at GSM.
In addition preferably, described audio coder ﹠ decoder (codec) 109 can 101 control commands of assigning call the public network voice coding/decoding algorithms and the private network voice coding/decoding algorithms is finished encoding and decoding speech by operating system (being the functional unit dispatching management module), and can change mutually between two kinds of algorithms.When current dual network mobile communication terminal is in public network transmitting-receiving communication pattern, operating system (being the functional unit dispatching management module) 101 is sent the control command indication and is called the public network voice coding/decoding algorithms, and when being in private network transmitting-receiving communication pattern, operating system 101 is sent the control command indication and is called the private network voice coding/decoding algorithms.When current dual network mobile communication terminal was in private network reception and public network sending mode, operating system 101 was sent the control command indication and is called private network decoding unit and public network coding unit, and realized the conversion of private network decoding algorithm to the public network encryption algorithm; When being in public network reception and private network sending mode, operating system 101 is sent the control command indication and is called public network decoding unit and private network coding unit, and realizes the conversion of public network decoding algorithm to the private network encryption algorithm.The sample value that conversion between the utility model two kinds of algorithms recited above (being private network decoding algorithm-public network encryption algorithm, public network decoding algorithm-private network encryption algorithm) is preferably taked the decoding back is produced is directly encoded as the input sample value, thereby avoided decoding laggard line number mould conversion and then carry out after the analog-to-digital conversion trivial step of coding again, improve operational efficiency, saved hardware resource.
Above-mentioned public network communication protocol stack cell 104 and private network communication protocol stack unit 102 are used for finishing respectively the function of public network portable terminal (for example mobile phone) communication protocol and private network portable terminal (for example intercom) communication protocol (comprising communication standard protocols such as DPMR, DMR).
Above-mentioned application level function unit 103 can compatible private network communication of mobile terminal and the application level function of public network communication of mobile terminal, the calling of whole AT instructions that has just comprised private network mobile comm unit and public network mobile comm unit at the interface of application layer and its lower floor is with the function of realization private network portable terminal (for example intercom), public network portable terminal (for example mobile phone), bluetooth, GPS etc.
The mutual forward functionality 108 of above-mentioned two nets is used to realize transmitting mutually automatically of speech between private network and public network, data information such as (for example view data) that its mutual pass-through mode includes but not limited to store-and-forward mode.This store-and-forward mode for example is: when private network when public network is transmitted, at first separate agreement by speech, data that private network radio-frequency (RF) receiving and transmission module 80 receives via private network communication protocol stack 102, then resulting information stores is got up, by the private network decoding unit speech information of being stored is carried out the private network decoding afterwards, via the public network coding unit the decoded voice signal of private network is carried out the public network coding again, adopt the public network agreement in the public network communication protocol stack 104 to carry out the forwarding of public network aspect then.Need to prove that at this private network described herein decoding, public network coding step are only to carry out at speech information, and when private network radio-frequency (RF) receiving and transmission module 80 receive be data message the time, then can omit this decoding, coding step; In addition, private network decoding, public network encoding process described herein both can realize after storing step, also can realize before storage.Preferably, because the real-time requirement of speech information, also can not store and directly carry out private network decoding, public network coding, transmit via the public network agreement then the speech information that receives.When public network when private network is transmitted and above-mentioned processing in like manner, do not repeat them here.
According to preferred embodiment of the present utility model, priority controlled function unit 106 makes the user that the priority between private network and the public network can be set.Usually it is preferential to be set to private network; still be in talking state and private network when communication requirement is arranged when public network like this; this priority controlled function unit 106 can be called out this public network conversation and keep and the conversation of priority treatment private network, so just can not incur loss through delay the processing opportunity of material particular.
According to another preferred embodiment of the present utility model, described adaptation function unit 107 make private network communication unit and public network communication unit can be used as main with, standbyly carry out mutual automatic switchover.For example when because resource (as bandwidth) is not enough, search in private network can not carry out private network communication less than situation such as recipient the time, communication can be set up by public network automatically in this adaptation function unit 107, its specific implementation is for when searching less than the recipient by the private network communication unit, by this private network communication unit notifying operation system (being the functional unit dispatching management module) 101, this functional unit dispatching management module 101 will be notified adaptation function unit 107 to call public network mobile communication protocol stack program to realize setting up communication by public network then.
According to an embodiment more of the present utility model, described automated power control unit 105 makes private network rf receiver unit 802 or private network rf transmitter unit 803 all transmit emission received power index by base band digital-to-analogue analog to digital converter 801 to central control treatment module 10, thereby produce analog control signal according to this power index corresponding to this power index by this automated power control unit 105, afterwards this analog control signal is input to power amplifier or other signal amplifier in private network rf receiver unit 802 or the private network rf transmitter unit 803, regulate these Amplifier Gain, to reach best communication effect.
The method of calling of described functional unit dispatching management module 101 by process or thread pair dispatched and controlled with all unit of its coupling.Behind the dual network mobile communication starting up of terminal, functional unit dispatching management module 101 is started working, by process transfer application level function unit 103, this moment, the dual network mobile communication terminal was in holding state, to wait for user or each module initiated event request on every side.When the operator will use the dual network mobile communication terminal, to functional unit dispatching management module 101 request of sending (as private network communication request or public network communication request etc.), functional unit dispatching management module 101 starts units corresponding (comprising audio coder ﹠ decoder (codec) 109, public network mobile terminal protocol stack 104, private network mobile terminal protocol stack 102, automated power control unit 105 and/or priority controlled function unit 106) collaborative works to the operator at this moment by application level function unit 103.The operator can set priority option by application level function unit 103, after functional unit dispatching management module 101 receives this setting priority option request of being sent application level function unit 103, will call 106 operations of priority controlled function unit to realize priority control.The operator can set adaptive model by application level function unit 103, functional unit dispatching management module 101 will receive the request of this setting adaptive model of application level function unit 103 this moment, and functional unit dispatching management module 101 will be called 107 operations of adaptation function unit so that private network communication part and public network communications portion can be used as and mainly use, standbyly carry out mutual automatic switchover afterwards.The operator can set the mutual forward mode of two nets by application level function unit 103, receive the request of the mutual forward mode of the two nets of this setting when functional unit dispatching management module 101 after, will call mutual forward functionality 108 operations of pair net to realize that the mutual automatically of information such as speech, data, image transmitted between private network and public network.In addition, in communication process, if private network radio-frequency (RF) receiving and transmission module 80 is returned no signal when indication to functional unit dispatching management module 101, functional unit dispatching management module 101 will be called the public network communication protocol stack and switch to the public network mode of operation; If when public network radio frequency baseband processing module 20 is returned the no signal indication to functional unit dispatching management module 101, functional unit dispatching management module 101 will be called the private network communication protocol stack and switch to the private network mode of operation.
To specifically describe the communication means of above-mentioned pair of netting index word mobile communication terminal described in the utility model below.
When the public network communication unit of above-mentioned pair of netting index word mobile communication terminal is in standby mode, and when will the private network radio-frequency (RF) receiving and transmission module 80 by described pair of netting index word mobile communication terminal sending the private network signals, 60 couples of users of described CODEC (codec) and touch screen controller carry out analog-to-digital conversion via the analogue voice signal of described input-output apparatus 50 inputs, to obtain the speech digital signal, or the user handled via the touch screen induction signal of touch-screen input or via the push button signalling of button and card reader 503 inputs, to obtain the corresponding digital control command; 109 pairs of described speech encoding digital signals of audio coder ﹠ decoder (codec) in the described central control treatment module 10 compress with formation speech frame (the specific coding mode is as noted before), and/or above-mentioned digital control instruction is responded to carry out control corresponding.Afterwards, 10 pairs of described speech frames of described central control treatment module carry out data link layer deals, to obtain Frame; 801 pairs of described Frames of described base band modulus and digital to analog converter carry out baseband modulation, and are converted to analog baseband signal; 803 pairs of described analog baseband signals of described private network rf transmitter unit carry out carrier modulation, and via transmit-receive switch 804 and private network antenna 91 emission carrier (boc) modulated signals.Just finished the emission of private network signal this moment.
When the public network communication unit is in standby mode, and will be by private network radio-frequency (RF) receiving and transmission module 80 received signals the time, its processing procedure be the inverse process of above-mentioned emission process, therefore repeats no more.
In addition, when the public network communication unit is under the mode of operation (two as described netting index word mobile communication terminals are in the public network conversation or are are receiving and dispatching state such as short message), thereby and receive the private network radiofrequency signal when need interrupting public network communication, described private network antenna 91 is delivered to private network radio-frequency (RF) receiving and transmission module 80 with the private network radiofrequency signal that receives and handles to carry out foregoing reception, private network radio-frequency (RF) receiving and transmission module 80 is sent the request of interrupting the work of public network communication unit to central control treatment module 10 simultaneously, central authorities' control treatment module 10 is after receiving this interrupt requests, send the Call Waiting instruction to public network radio frequency baseband processing module 20, public network radio frequency baseband processing module 20 just can enter the Call Waiting state at this moment, after this private network signal processing then is in holding state with above-mentioned public network communication unit and processing mode that will be when private network radio-frequency (RF) receiving and transmission module 80 received signals is identical, does not repeat them here.When private network communication finishes, private network radio-frequency (RF) receiving and transmission module 80 is sent private network communication to central control treatment module 10 and is stopped notification signal, and central control treatment module 10 will make described public network radio frequency baseband processing module 20 terminated call wait for and the recovery communications status in response to this private network communication stops notification signal this moment.
In the time will realizing between private network and public network mutually forwarding capability, central authorities' control treatment module 10 will be sent control command to the mutual forward functionality 108 of above-mentioned two nets, thereby start the mutual forwarding capability of two nets, just can realize transmitting mutually automatically of speech between private network and public network, data information such as (for example view data) by aforementioned manner this moment.
Described above only is preferred embodiment of the present utility model, so that those skilled in the art can realize or use the disclosed content of the utility model.Simultaneously to those skilled in the art, the various modifications to these disclosures all are conspicuous.Under the prerequisite that does not depart from spirit and scope of the present utility model, those skilled in the art can obtain other contents of equal value through modification, conversion, replacement, and all such modifications, conversion, replacement all fall within the protection range of the present utility model.
Claims (10)
1. dual network mobile communication terminal is characterized in that it comprises:
The private network communication unit, it is used to carry out the private network signal communication;
The public network communication unit, it is used to carry out the public network signal communication; And
Central authorities' control treatment module (10), it is coupled with described private network communication unit and public network communication unit respectively, thereby described private network communication unit and public network communication unit are controlled.
2. dual network mobile communication terminal according to claim 1, it is characterized in that described dual network mobile communication terminal also comprises respectively input-output apparatus (50), power management module (40), CODEC and touch screen controller (60), bluetooth module (301), GPS module (302), WIFI module, RFID module and/or the functional interfaces with central control treatment module coupling.
3. dual network mobile communication terminal according to claim 1 and 2, it is characterized in that, described public network communication unit comprises public network radio frequency baseband processing module (20) and public network antenna (90), and the operating frequency that is provided with this public network radio frequency baseband processing module (20) between described public network radio frequency baseband processing module (20) and public network antenna (90) is the band pass filter at center.
4. dual network mobile communication terminal according to claim 1 and 2, it is characterized in that, described private network communication unit comprises private network radio-frequency antenna (91) and private network radio-frequency (RF) receiving and transmission module (80), and the operating frequency that is provided with the private network radio-frequency (RF) receiving and transmission module between described private network radio-frequency antenna (91) and private network radio-frequency (RF) receiving and transmission module (80) is the band pass filter at center.
5. dual network mobile communication terminal according to claim 4, it is characterized in that, being used on the circuit board of described private network radio-frequency (RF) receiving and transmission module (80) holding wire that transmits the different capacity signal be provided with filter capacitor corresponding to the frequency of signal that this holding wire transmits.
6. dual network mobile communication terminal according to claim 4 is characterized in that, stratum and bus plane in the circuit board of described private network radio-frequency (RF) receiving and transmission module (80) are set at same one deck, and AC signal layer and described stratum and bus plane are not in same one deck.
7. dual network mobile communication terminal according to claim 1, it is characterized in that, described central control treatment module (10) comprises that functional unit dispatching management module (101) and audio coder ﹠ decoder (codec) (109), the control command that described audio coder ﹠ decoder (codec) (109) sends according to described functional unit dispatching management module (101) call public network voice coding/decoding algorithms or private network voice coding/decoding algorithms or realize the conversion of private network decoding algorithm to the conversion of public network encryption algorithm or realization public network decoding algorithm to the private network encryption algorithm.
8. dual network mobile communication terminal according to claim 7, it is characterized in that, described central control treatment module (10) comprises also and two net mutual forward functionality (108) of functional unit dispatching management module (101) coupling that this pair mutual forward functionality of net (108) is used to realize that the automatic of speech, data message transmitted mutually between private network and public network.
9. dual network mobile communication terminal according to claim 7, it is characterized in that, described central control treatment module (10) also comprises the adaptation function unit (107) with functional unit dispatching management module (101) coupling, described adaptation function unit (107) be used to make private network communication unit and public network communication unit as main with, standbyly carry out mutual automatic switchover.
10. according to claim 1 or 7 described dual network mobile communication terminals, it is characterized in that, described central control treatment module (10) also comprises application level function unit (103), the application level function of this compatible private network communication of mobile terminal in application level function unit (103) and public network communication of mobile terminal.
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| CN2010202953112U CN201887954U (en) | 2010-08-17 | 2010-08-17 | Double network data mobile communication terminal |
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| CN2010202953112U CN201887954U (en) | 2010-08-17 | 2010-08-17 | Double network data mobile communication terminal |
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| CN201887954U true CN201887954U (en) | 2011-06-29 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
| CN102547602A (en) * | 2012-02-24 | 2012-07-04 | 海能达通信股份有限公司 | Shoulder microphone and system and method for realizing three-party conversion between public network and private network |
| CN103156574A (en) * | 2011-12-09 | 2013-06-19 | 深圳迈瑞生物医疗电子股份有限公司 | Compact sign monitor and multi-parameter measuring module |
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| CN109936824A (en) * | 2017-12-19 | 2019-06-25 | 成都鼎桥通信技术有限公司 | The implementation method and device of PTT service |
| CN110167026A (en) * | 2018-02-14 | 2019-08-23 | 中兴通讯股份有限公司 | A kind of method for switching network and device, private network application server and storage medium |
| CN110166076A (en) * | 2019-07-01 | 2019-08-23 | 泉州市顺风耳电子科技有限公司 | A kind of switching of interphone terminal public affairs private network, repeat circuit |
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2010
- 2010-08-17 CN CN2010202953112U patent/CN201887954U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102378316A (en) * | 2010-08-17 | 2012-03-14 | 北京迅光达通信技术有限公司 | Double-network digital mobile communication terminal and double-network communication method thereof |
| CN103156574A (en) * | 2011-12-09 | 2013-06-19 | 深圳迈瑞生物医疗电子股份有限公司 | Compact sign monitor and multi-parameter measuring module |
| CN102547602A (en) * | 2012-02-24 | 2012-07-04 | 海能达通信股份有限公司 | Shoulder microphone and system and method for realizing three-party conversion between public network and private network |
| CN102547602B (en) * | 2012-02-24 | 2014-07-23 | 海能达通信股份有限公司 | Shoulder microphone and system and method for realizing three-party conversion between public network and private network |
| CN104955001B (en) * | 2014-03-31 | 2018-11-27 | 中国电信股份有限公司 | Bimodulus intercommunication terminal and its intercommunication method, communication system |
| CN109936824A (en) * | 2017-12-19 | 2019-06-25 | 成都鼎桥通信技术有限公司 | The implementation method and device of PTT service |
| CN110167026A (en) * | 2018-02-14 | 2019-08-23 | 中兴通讯股份有限公司 | A kind of method for switching network and device, private network application server and storage medium |
| CN110166076A (en) * | 2019-07-01 | 2019-08-23 | 泉州市顺风耳电子科技有限公司 | A kind of switching of interphone terminal public affairs private network, repeat circuit |
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