CN110392354A - The communication means and system of double-mode single-standby terminal - Google Patents
The communication means and system of double-mode single-standby terminal Download PDFInfo
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- CN110392354A CN110392354A CN201810364096.8A CN201810364096A CN110392354A CN 110392354 A CN110392354 A CN 110392354A CN 201810364096 A CN201810364096 A CN 201810364096A CN 110392354 A CN110392354 A CN 110392354A
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- 238000000034 method Methods 0.000 claims abstract description 56
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- 230000004927 fusion Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Abstract
This application discloses the communication means and system of a kind of double-mode single-standby terminal, and wherein method includes: to configure the broadband SIM card and narrowband SIM card with same subscriber number in the double-mode single-standby terminal of wide and narrow strip fusion trunked communication system in advance；When the first core net receives the call request of the double-mode single-standby terminal, judge whether corresponding called number is registered with the network side of the first core net same band type, if it is, according to individual calling Establishing process corresponding with the network standard execution of the first core net same band type；Otherwise, the call request message is sent to the second core net by the first core net, and the second core net of triggering executes wide and narrow strip individual calling establishment process, wherein when the first core net is broadband core networks, the second core net is narrowband core net；When the first core net is narrowband core net, the second core net is broadband core networks.Using the present invention, the communication complexity of double-mode single-standby terminal can be effectively reduced, and be easily achieved.
Description
Technical field
The present invention relates to mobile communication technologies, more particularly to double-mode single-standby in a kind of wide and narrow strip fusion trunked communication system
The communication means and system of terminal.
Background technique
Wide and narrow strip merges trunked communication system, is topic popular in recent home communications industry and its application field.It should
System is blended by the narrowband trunked communication system of representative and B-TrunC broadband cluster communication system of TeTRA, PDT, is supported
Unified signing, is uniformly applied United Dispatching, compared to gateway Interworking Scheme of eating dishes without rice or wine, gets rid of the intercommunication net poor to processing capacity
The dependence of pass, integrated services capability improving reduce call business time delay simultaneously.
Double-mode single-standby terminal refers to that terminal can be inserted into broadband SIM card and narrowband SIM card simultaneously, according to wide and narrow strip
Signal strength is manually selected by user, to determine to use which SIM card attachment, standby.
But in actual use, when another terminal intends this terminal of individual calling, in this case it is not apparent that the terminal currently makes
With the attachment of broadband SIM card or the attachment of narrowband SIM card, just do not know which number dialed yet.It is therefore possible to need to dial
It beats and calls twice, could be communicated with the terminal.
In addition, as calling subscriber, it is also necessary to record called broadband number and narrowband number.
It can be seen that there is user's operation complexity in the communication plan of existing double-mode single-standby terminal.
Summary of the invention
In view of this, being answered the main purpose of the present invention is to provide the communication means and system of a kind of double-mode single-standby terminal
For the communication complexity of double-mode single-standby terminal to can be effectively reduced in wide and narrow strip fusion trunked communication system, and it is easily achieved.
In order to achieve the above object, technical solution proposed by the present invention are as follows:
A kind of communication means of double-mode single-standby terminal, comprising:
Width of the configuration with same subscriber number in the double-mode single-standby terminal of wide and narrow strip fusion trunked communication system in advance
Band SIM card and narrowband SIM card；
When the first core net of wide and narrow strip fusion trunked communication system receives the call request of the double-mode single-standby terminal
When, judge whether corresponding called number is registered with the network side of the first core net same band type, if it is, according to
Individual calling Establishing process corresponding with the network standard execution of the first core net same band type；Otherwise, the first core net is by institute
It states call request message and is sent to the second core net, the second core net of triggering executes wide and narrow strip individual calling establishment process, wherein works as institute
State the first core net be broadband core networks when, second core net be narrowband core net；When first core net is narrowband
When core net, second core net is broadband core networks.
Preferably, the method further includes:
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, judgement
Corresponding called number whether with the registration of the network side of the first core net same band type, if it is, according to first
The network standard of core net same band type executes corresponding individual calling and discharges process；Otherwise, the first core net is by the individual calling
Release request is sent to the second core net, and the second core net of triggering executes wide and narrow strip individual calling and discharges process.
Preferably, the method further includes:
Whether first core net is judging corresponding called number in the net with the first core net same band type
When network side is registered, the wide-band type of corresponding calling number and called number is recorded；
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, according to
The record, judges whether corresponding called number is registered with the network side of the first core net same band type.
Preferably, the method further includes:
When the first core net receives the point-to-point short message request of the double-mode single-standby terminal, judge corresponding called
Whether number is registered with the network side of the first core net same band type, if it is, according to identical as the first core net
The network standard of bandwidth types executes corresponding point-to-point short message service process；Otherwise, the first core net point-to-point short disappears described
Breath request is sent to the second core net, and the second core net of triggering executes the point-to-point short message service process of wide and narrow strip.
A kind of communication system of double-mode single-standby terminal, comprising:
First core network server, for receiving bimodulus list when the first core net of wide and narrow strip fusion trunked communication system
When the call request of terminal, judge whether corresponding called number is infused with the network side of the first core net same band type
Volume, if it is, according to individual calling Establishing process corresponding with the network standard execution of the first core net same band type；It is no
Then, the call request message is sent to the second core net；Wherein, when first core net is broadband core networks, institute
Stating the second core net is narrowband core net；When first core net is narrowband core net, second core net is broadband
Core net is pre-configured with broadband SIM card and narrowband SIM card with same subscriber number in the double-mode single-standby terminal；
Second core network server was established for when receiving the call request message, executing wide and narrow strip individual calling
Journey.
Preferably, the first core network server, is further used for receiving the double-mode single-standby when first core net
Terminal as calling party individual calling discharge request when, judge corresponding called number whether with the first core net same band class
The network side of type is registered, if it is, according to individual calling corresponding with the network standard execution of the first core net same band type
Discharge process；Otherwise, individual calling release request is sent to the second core net,
Second core network server is further used for asking in the individual calling release for receiving the transmission of the first core network server
When asking, executes wide and narrow strip individual calling and discharge process.
Preferably, the first core network server, be further used for when judge corresponding called number whether with the first core
When the network side registration of heart net same band type, the wide-band type of corresponding calling number and called number is recorded；When described
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, according to the record, judgement
Whether corresponding called number is registered with the network side of the first core net same band type.
Preferably, the first core network server, is further used for receiving the double-mode single-standby terminal when the first core net
Point-to-point short message request when, judge corresponding called number whether in the network side with the first core net same band type
Registration, if it is, according to point-to-point short message stream corresponding with the network standard execution of the first core net same band type
Journey；Otherwise, the point-to-point short message request is sent to the second core net；
Second core network server is further used for executing wide and narrow strip when receiving point-to-point short message request
Point-to-point short message service process.
In conclusion being in double-mode single-standby terminal in the communication means and system of double-mode single-standby terminal proposed by the present invention
Width, after narrowband SIM card configures identical Subscriber Number, when double-mode single-standby terminal needs initiating business request, do not need to close
This terminal of the heart or distant terminal use broadband SIM card or narrowband SIM card, correspondingly, network side to the service request into
When row processing, also needing not distinguish between associated user's number is broadband SIM card or narrowband SIM card, and is only needed according to called
Number determines whether the correlation procedure of selection wide and narrow strip in the registration scenarios of network side.In this way, user uses bimodulus list
When terminal is communicated, do not need to be concerned about that oneself or other side use broadband SIM card or narrowband SIM card, so as to
The communication complexity of double-mode single-standby terminal is effectively reduced, meanwhile, realization of the invention does not need to modify existing communication mark yet
Standard only needs to be handled in wide and narrow strip core net respectively, and it is not necessary to modify any interfaces, therefore are easily achieved.
Detailed description of the invention
Fig. 1 is the schematic diagram that existing wide and narrow strip merges trunked communication system.
Fig. 2 is the method flow schematic diagram of the embodiment of the present invention；
Fig. 3 is that wide-band terminal initiates individual calling foundation calling double-mode single-standby terminal flow chart；
Fig. 4 is that wide-band terminal initiates individual calling release flow chart；
Fig. 5 is that narrowband terminal initiates individual calling foundation calling double-mode single-standby terminal flow chart；
Fig. 6 is that narrowband terminal initiates individual calling release flow chart；
Fig. 7 is the system structure diagram of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, right below in conjunction with the accompanying drawings and the specific embodiments
The present invention is described in further detail.
Core of the invention thought is: configuration has phase in the double-mode single-standby terminal of wide and narrow strip fusion trunked communication system
With the broadband SIM card and narrowband SIM card of Subscriber Number, when core net handles the service request of the double-mode single-standby terminal,
Needing not distinguish between associated user's number is broadband SIM card or narrowband SIM card, but according to called number network side note
Volume situation come determine whether select wide and narrow strip correlation procedure.So, on the one hand, user is carried out using double-mode single-standby terminal
When communication, do not need to be concerned about that oneself or other side use broadband SIM card or narrowband SIM card, so as to be effectively reduced
The communication complexity of double-mode single-standby terminal, on the other hand, realization of the invention is not needed to modify existing communication standard yet, is not necessarily to
Modify any interface, it is easy to accomplish.
Fig. 2 is the communication means flow diagram of the double-mode single-standby terminal of the embodiment of the present invention, as shown in Fig. 2, the implementation
Example specifically includes that
Step 201, configuration has same subscriber in the double-mode single-standby terminal of wide and narrow strip fusion trunked communication system in advance
The broadband SIM card and narrowband SIM card of number.
In this step, in order to reduce the complexity of user's operation and network side traffic processing, need to be mounted on same a pair of
Mould list waits for that the broadband SIM card of terminal and narrowband SIM card configure identical Subscriber Number, in this way, user uses double-mode single-standby terminal
When communication, do not need to be concerned about again that oneself or other side use broadband SIM card or narrowband SIM card, and can to avoid by
In do not know other side currently adhere to or standby SIM card type caused by dial twice, so as to reduce answering for user's operation
Miscellaneous degree.Correspondingly, in the next steps, when user carries out business using double-mode single-standby terminal, network side does not need to pass through yet
Judgement business both terminal is accompanying or standby SIM card type determines used business processing flow, so as to letter
Change the business procession of system side.
Step 202~204, when to receive the double-mode single-standby whole for the first core net of wide and narrow strip fusion trunked communication system
When the call request at end, judge whether corresponding called number is registered with the network side of the first core net same band type,
If it is, according to individual calling Establishing process corresponding with the network standard execution of the first core net same band type；Otherwise,
The call request message is sent to the second core net by one core net, and the second core net of triggering executes wide and narrow strip individual calling and established
Journey.
Wherein, when first core net is broadband core networks, second core net is narrowband core net；When described
When first core net is narrowband core net, second core net is broadband core networks.
In above-mentioned steps 202~204, when the first core net receives the call request of the double-mode single-standby terminal, need
Judge whether corresponding called number is registered with the network side of the first core net same band type, if it is, explanation
The calling and called both sides of the call request belong to the network user of same bandwidth types, therefore, can execute corresponding individual calling and establish
Otherwise process illustrates that the calling and called both sides of the call request are not belonging to the network user of same bandwidth types, therefore need
Requested call business is completed by wide and narrow strip individual calling establishment process.
As it was noted above, in above-mentioned steps 202~204, call request of the network side to being received from double-mode single-standby terminal
When being handled, needing not distinguish between associated user's number is broadband SIM card or narrowband SIM card, and is only needed according to called
Number determines whether the correlation procedure of selection wide and narrow strip in the registration scenarios of network side.In this way, realization of the invention
It does not need to modify existing communication standard, it is only necessary to be handled in wide, narrowband core net, be connect it is not necessary to modify any respectively
Mouthful, so that the business procession of system is significantly simplified, thus, it is easy to realize.
Preferably, the processing with call request is similar, request is discharged for the individual calling of double-mode single-standby terminal, it is either wide
Band side is initiated or narrowband side is initiated, and network side can be performed corresponding processing using following methods:
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, judgement
Corresponding called number whether with the registration of the network side of the first core net same band type, if it is, according to first
The network standard of core net same band type executes corresponding individual calling and discharges process；Otherwise, the first core net is by the individual calling
Release request is sent to the second core net, and the second core net of triggering executes wide and narrow strip individual calling and discharges process.
Further, in step 202 the first core net judge corresponding called number whether with the first core net
Same band type network side registration when, can recorde the wide-band type of corresponding calling number and called number, so as to
During subsequent corresponding individual calling release the direct basis record judge corresponding called number whether with the first core net phase
Network side with bandwidth types is registered, and so as to improve the resource releasing processing efficiency of system, is implemented as follows:
When whether the first core net judges corresponding called number in the network side with the first core net same band type
When registration, the wide-band type of corresponding calling number and called number is recorded；When first core net receives the bimodulus
It is single when terminal is requested as the individual calling release of calling party, according to the record, judge corresponding called number whether with the
The network side of one core net same band type is registered.
Preferably, the processing with call request is similar, the point-to-point short message of double-mode single-standby terminal is requested, network
Side can be handled using following methods:
When the first core net receives the point-to-point short message request of the double-mode single-standby terminal, judge corresponding called
Whether number is registered with the network side of the first core net same band type, if it is, according to identical as the first core net
The network standard of bandwidth types executes corresponding point-to-point short message service process；Otherwise, the first core net point-to-point short disappears described
Breath request is sent to the second core net, and the second core net of triggering executes the point-to-point short message service process of wide and narrow strip.
By the embodiment of the above method it can be seen that in the embodiment, on the one hand, user using double-mode single-standby terminal into
When row communication, do not need to be concerned about that oneself or other side use broadband SIM card or narrowband SIM card, so as to effectively drop
On the other hand the communication complexity of low double-mode single-standby terminal is not needed to modify existing communication standard yet, be connect it is not necessary to modify any
Mouthful, it is easy to accomplish.
In order to which the clearer specific implementation to the above method is illustrated, herein by Fig. 3~6 be set forth it is wide,
Narrowband terminal initiates the flow diagram that individual calling is established, individual calling discharges.
Fig. 7 is a kind of communication system of the double-mode single-standby terminal corresponded to the above method, as shown in fig. 7, the system packet
It includes:
First core network server, for receiving bimodulus list when the first core net of wide and narrow strip fusion trunked communication system
When the call request of terminal, judge whether corresponding called number is infused with the network side of the first core net same band type
Volume, if it is, according to individual calling Establishing process corresponding with the network standard execution of the first core net same band type；It is no
Then, the call request message is sent to the second core net；Wherein, when first core net is broadband core networks, institute
Stating the second core net is narrowband core net；When first core net is narrowband core net, second core net is broadband
Core net is pre-configured with broadband SIM card and narrowband SIM card with same subscriber number in the double-mode single-standby terminal.
Second core network server was established for when receiving the call request message, executing wide and narrow strip individual calling
Journey.
Preferably, the first core network server, is further used for receiving the double-mode single-standby when first core net
Terminal as calling party individual calling discharge request when, judge corresponding called number whether with the first core net same band class
The network side of type is registered, if it is, according to individual calling corresponding with the network standard execution of the first core net same band type
Discharge process；Otherwise, individual calling release request is sent to the second core net,
Second core network server is further used for asking in the individual calling release for receiving the transmission of the first core network server
When asking, executes wide and narrow strip individual calling and discharge process.
Preferably, the first core network server, be further used for when judge corresponding called number whether with the first core
When the network side registration of heart net same band type, the wide-band type of corresponding calling number and called number is recorded；When described
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, according to the record, judgement
Whether corresponding called number is registered with the network side of the first core net same band type.
Preferably, the first core network server, is further used for receiving the double-mode single-standby terminal when the first core net
Point-to-point short message request when, judge corresponding called number whether in the network side with the first core net same band type
Registration, if it is, according to point-to-point short message stream corresponding with the network standard execution of the first core net same band type
Journey；Otherwise, the point-to-point short message request is sent to the second core net；
Second core network server is further used for executing wide and narrow strip when receiving point-to-point short message request
Point-to-point short message service process.
Through the above technical solution as can be seen that by the present invention in that broadband SIM card and narrowband in double-mode single-standby terminal
SIM card uses identical Subscriber Number, allows user in use without being concerned about that oneself or other side use broadband
SIM card or narrowband SIM card, therefore the communication complexity of double-mode single-standby terminal can be effectively reduced.In addition, the present invention is without repairing
Change any interface of existing system, only needs handle in wide, narrowband core net respectively can be realized, thus, it is easy to realize.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of communication means of double-mode single-standby terminal characterized by comprising
Broadband SIM of the configuration with same subscriber number in the double-mode single-standby terminal of wide and narrow strip fusion trunked communication system in advance
Card and narrowband SIM card；
When the first core net of wide and narrow strip fusion trunked communication system receives the call request of the double-mode single-standby terminal, sentence
The corresponding called number that breaks whether with the registration of the network side of the first core net same band type, if it is, according to the
The network standard of one core net same band type executes corresponding individual calling Establishing process；Otherwise, the first core net is exhaled described
Request message is made to be sent to the second core net, the second core net of triggering executes wide and narrow strip individual calling establishment process, wherein when described the
When one core net is broadband core networks, second core net is narrowband core net；When first core net is narrowband core
When net, second core net is broadband core networks.
2. the method according to claim 1, wherein the method further includes:
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, judgement is corresponding
Called number whether with the registration of the network side of the first core net same band type, if it is, according to the first core
The network standard of net same band type executes corresponding individual calling and discharges process；Otherwise, the first core net discharges the individual calling
Request is sent to the second core net, and the second core net of triggering executes wide and narrow strip individual calling and discharges process.
3. according to the method described in claim 2, it is characterized in that, the method further includes:
Whether first core net is judging corresponding called number in the network side with the first core net same band type
When registration, the wide-band type of corresponding calling number and called number is recorded；
When first core net receives individual calling release request of the double-mode single-standby terminal as calling party, according to described
Record, judges whether corresponding called number is registered with the network side of the first core net same band type.
4. the method according to claim 1, wherein the method further includes:
When the first core net receives the point-to-point short message request of the double-mode single-standby terminal, corresponding called number is judged
Whether with the registration of the network side of the first core net same band type, if it is, according to the first core net same band
The network standard of type executes corresponding point-to-point short message service process；Otherwise, the first core net asks the point-to-point short message
It asks and is sent to the second core net, the second core net of triggering executes the point-to-point short message service process of wide and narrow strip.
5. a kind of communication system of double-mode single-standby terminal characterized by comprising
First core network server, for receiving double-mode single-standby end when the first core net of wide and narrow strip fusion trunked communication system
When the call request at end, judge whether corresponding called number is registered with the network side of the first core net same band type,
If it is, according to individual calling Establishing process corresponding with the network standard execution of the first core net same band type；Otherwise, will
The call request message is sent to the second core net；Wherein, when first core net is broadband core networks, described second
Core net is narrowband core net；When first core net is narrowband core net, second core net is broadband core networks,
Broadband SIM card and narrowband SIM card with same subscriber number are pre-configured in the double-mode single-standby terminal；
Second core network server, for executing wide and narrow strip individual calling establishment process when receiving the call request message.
6. system according to claim 5, which is characterized in that
First core network server is further used for receiving the double-mode single-standby terminal as caller when first core net
When the individual calling of side discharges request, judge whether corresponding called number is infused with the network side of the first core net same band type
Volume, if it is, discharging process according to individual calling corresponding with the network standard execution of the first core net same band type；It is no
Then, individual calling release request is sent to the second core net,
Second core network server is further used in the individual calling release request for receiving the transmission of the first core network server
When, it executes wide and narrow strip individual calling and discharges process.
7. system according to claim 6, which is characterized in that
First core network server, be further used for when judge corresponding called number whether with the first core net same band
When the network side registration of type, the wide-band type of corresponding calling number and called number is recorded；When first core net connects
When receiving individual calling release request of the double-mode single-standby terminal as calling party, according to the record, corresponding called number is judged
Whether code is registered with the network side of the first core net same band type.
8. system according to claim 5, which is characterized in that the method further includes:
First core network server is further used for short disappearing when the first core net receives the point-to-point of the double-mode single-standby terminal
When breath request, judge whether corresponding called number is registered with the network side of the first core net same band type, if so,
Then according to point-to-point short message service process corresponding with the network standard execution of the first core net same band type；Otherwise, by institute
It states point-to-point short message request and is sent to the second core net；
Second core network server is further used for executing wide and narrow strip point pair when receiving point-to-point short message request
Point short message service process.
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| CN201810364096.8A CN110392354B (en) | 2018-04-23 | 2018-04-23 | Communication method and system of dual-mode single-standby terminal |
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| CN201810364096.8A CN110392354B (en) | 2018-04-23 | 2018-04-23 | Communication method and system of dual-mode single-standby terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111757427A (en) * | 2020-06-05 | 2020-10-09 | 东方通信股份有限公司 | Channel quality evaluation-based selection method for preferred network of wide-narrow convergence terminal |
| CN113038424A (en) * | 2019-12-23 | 2021-06-25 | 成都鼎桥通信技术有限公司 | Calling method and device for LTE-R and GSM-R dual-mode terminal |
| CN113055965A (en) * | 2019-12-10 | 2021-06-29 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
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| US20070254648A1 (en) * | 2006-04-14 | 2007-11-01 | Zhang David X | Fixed mobile roaming service solution |
| CN102421199A (en) * | 2010-09-27 | 2012-04-18 | 中兴通讯股份有限公司 | Communication method for dual-model dual-standby terminal and corresponding communication system |
| CN102421083A (en) * | 2010-09-27 | 2012-04-18 | 中兴通讯股份有限公司 | Communication method for dual-mode dual-standby terminal and corresponding communication system |
| CN102421085A (en) * | 2010-09-28 | 2012-04-18 | 中兴通讯股份有限公司 | Location updating method and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113055965A (en) * | 2019-12-10 | 2021-06-29 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
| CN113055965B (en) * | 2019-12-10 | 2023-03-31 | 成都鼎桥通信技术有限公司 | Wide-narrow dual-mode cluster terminal and mode switching method and device thereof |
| CN113038424A (en) * | 2019-12-23 | 2021-06-25 | 成都鼎桥通信技术有限公司 | Calling method and device for LTE-R and GSM-R dual-mode terminal |
| CN113038424B (en) * | 2019-12-23 | 2022-06-07 | 成都鼎桥通信技术有限公司 | Calling method and device for LTE-R and GSM-R dual-mode terminal |
| CN111757427A (en) * | 2020-06-05 | 2020-10-09 | 东方通信股份有限公司 | Channel quality evaluation-based selection method for preferred network of wide-narrow convergence terminal |
| CN111757427B (en) * | 2020-06-05 | 2022-11-04 | 东方通信股份有限公司 | Channel quality evaluation-based selection method for preferred network of wide-narrow convergence terminal |
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| CN110392354B (en) | 2022-04-19 |
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