CN109511147A - A kind of intercom automatic roaming system and method - Google Patents
A kind of intercom automatic roaming system and method Download PDFInfo
- Publication number
- CN109511147A CN109511147A CN201910020304.7A CN201910020304A CN109511147A CN 109511147 A CN109511147 A CN 109511147A CN 201910020304 A CN201910020304 A CN 201910020304A CN 109511147 A CN109511147 A CN 109511147A
- Authority
- CN
- China
- Prior art keywords
- intercom
- signaling
- trunk desk
- trunk
- heartbeat
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
Abstract
The present invention relates to communication technique fields, a kind of intercom automatic roaming system and method are provided, including multiple trunk desks and an at least intercom, tranmitting frequency difference is respectively set in each trunk desk, actively the heartbeat signaling frequencies of transmitting call signaling-information and heartbeat signaling-information and each trunk desk are all the same respectively for each trunk desk, the heartbeat signaling of each trunk desk is periodical launch and the adjustable setting of signaling frequencies, between each adjacent trunk desk or the signal cover of trunk desk has the call signaling frequencies emitted between the trunk desk of intersection different, the reception frequency of each channel of intercom described in each portion is respectively set to a corresponding trunk desk tranmitting frequency.The present invention solve the problems, such as existing intercom cannot achieve automatic roaming, it is inconvenient for use, roaming it is at high cost.
Description
Technical field
The present invention relates to communication technique field, in particular to a kind of intercom automatic roaming system and method.
Background technique
As the continuous development of domestic intercom technology and all trades and professions are directed to the requirement of intercom product, intercom
Gradually it is divided into two major class.One kind is the amateurish intercom that amateur uses, and the type intercom has LCD screen, energy
Enough clearly show that the working condition of intercom, but its price is more expensive, high production cost, while working as intercommunication using LCD screen
Machine is also broken when falling on the ground or fall unintentionally, and replacing maintenance is even more that cost is too high, is not met common in existing market
Status.Another kind of is professional intercom, and this professional intercom generally prevents maloperation and the secrecy to frequency of use
And the working environment that the reliability of product is severe with adaptation, without LCD screen and key, production cost is low, is more suitble to
The demand of existing market.Professional intercom product currently on the market mainly uses 16 grades of encoder to believe as 16 storages
The selection in road selects the switching between 16 communication channels by the knob being set at antenna, i.e., in corresponding trunk desk
It is manually adjusted in coverage area and switches to locating trunk desk communication channel, cannot achieve roaming of the intercom between trunk desk,
Especially intercom is applied to inconvenient for use when the bulk zone covered by multiple trunk desks communicates, and utilizes in similar mobile phone
Expensive wandering fee is then needed after the roaming between platform, thus urgently develops a kind of achievable intercom of low cost in trunk desk
The system of internetwork roaming.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes that one kind is simple and reasonable, cost is low, easy to use, unrestrained
Swim the low intercom automatic roaming system and method for use cost.
To solve this technical problem, the present invention takes following scheme: a kind of method of intercom automatic roaming, including following
Step:
S1. the intercom automatic roaming that can make intercom automatic roaming between multiple trunk desks is established in conjunction with multiple trunk desks
System, tranmitting frequency difference is respectively set on each trunk desk in intercom roaming system, and each trunk desk is led respectively
The heartbeat signaling frequencies of dynamic transmitting call signaling-information and heartbeat signaling-information and each trunk desk are all the same, each trunk desk
Heartbeat signaling is the adjustable setting of frequency of periodical launch and signaling, between each adjacent trunk desk or the letter of trunk desk
Number coverage area has the call signaling frequencies emitted between the trunk desk of intersection different；
S2. the call signaling-information and the heart that each trunk desk being arranged on intercom in sustainable scanning demodulation step S1 issues
The receptions frequency of intercom each channel is respectively set to correspond to one in step S1 by the baseband chip for jumping signaling-information
Trunk desk tranmitting frequency；
S3. all channels that the intercom that previous step is arranged participates in scanning to setting continue scanning, when scanning each letter
Road stays for some time T, and whether the channel receives the signal and call signaling of trunk desk transmitting within the period of residence time T
It unlocks or solution is transferred to heartbeat signaling, be, intercom judges that trunk desk corresponding to the channel has signal and stops lock for sweep
Channeling and trunking platform connection, otherwise intercom automatically switches to subsequent channels and continues to scan on until switching and scanning to can receive
The signal and call signaling of trunk desk transmitting are unlocked or solution is transferred to heartbeat signaling, when scanning residence time T > 0 and scanning stop
Between the adjustable setting of T；
S4. the trunk desk hair of step S3 locking is received in the trunk desk transmitting non-re-demodulation of heartbeat signaling period of setting when intercom
When the signal and call signaling penetrated are unlocked or non-solution is transferred to heartbeat signaling, i.e., the signal that intercom leaves the trunk desk covers model
It encloses, intercom is replied again at this time executes step S3, i.e., intercom restores scanning demodulation, when intercom is believed into another trunk desk
When number coverage area, while when solution is transferred to the heartbeat signaling or useful signal of trunk desk, stops scanning and locks the trunk desk, right
The machine of saying automatically switch to locking the matched channel of trunk desk, realize intercom intercom automatic roaming system it is each in
After the roaming between platform.
Further, each trunk desk setting emits different frequency respectively in intercom automatic roaming system in step S1
The call signaling of rate.
Further, the MCU in the step S2 on intercom and baseband chip are the A21 chip of two-in-one encapsulation.
Further, the call signaling and heartbeat signaling are subsonics signaling, MSK signaling, FSK signaling, dtmf signaling
One of.
A kind of intercom automatic roaming system, including multiple trunk desks and an at least intercom, each trunk desk difference
It is different that tranmitting frequency is set, each trunk desk actively emits call signaling-information and heartbeat signaling-information and each relaying respectively
The heartbeat signaling frequencies of platform are all the same, and the heartbeat signaling of each trunk desk is periodical launch and signaling frequencies can adjust and set
It sets, between each adjacent trunk desk or the signal cover of trunk desk has the call signaling emitted between the trunk desk of intersection
Frequency is different, and the reception frequency of each channel of intercom described in each portion is respectively set to corresponding trunk desk transmitting frequency
Rate.
Further, the MCU on intercom described in each portion and baseband chip are the A21 chip of two-in-one encapsulation.
Further, the call signaling and heartbeat signaling that the trunk desk issues are subsonics signaling, MSK signaling, FSK letter
It enables, one of dtmf signaling.
By using preceding solution, the beneficial effects of the present invention are: by the way that tranmitting frequency is arranged on each trunk desk
Difference, each trunk desk actively emit the heartbeat signaling of call signaling-information and heartbeat signaling-information and each trunk desk respectively
Frequency is all the same, and the heartbeat signaling of each trunk desk is periodical launch and signaling frequencies can adjust setting, each adjacent
Between trunk desk or the signal cover of trunk desk has the call signaling frequencies emitted between the trunk desk of intersection different, each portion
The reception frequency of each channel of intercom is respectively set to a corresponding trunk desk tranmitting frequency, and intercom is to setting
All channels for participating in scanning continue scanning, and when scanning, each channel stayed for some time T, in the time of residence time T
Whether the channel receives the signal of trunk desk transmitting in section and call signaling is unlocked or solution is transferred to heartbeat signaling, is then intercom
Judge that trunk desk corresponding to the channel has signal and stops the connection of the lock for sweep channeling and trunking platform, otherwise intercom is automatic
Switch to subsequent channels continue to scan on until switching and scanning to can receive trunk desk transmitting signal and converse signaling unlock or
Person's solution is transferred to heartbeat signaling, and when intercom leaves the signal cover of the trunk desk, intercom restores scanning demodulation again,
Stop scanning simultaneously when solution is transferred to heartbeat signaling or useful signal simultaneously when intercom enters another trunk desk signal cover
The trunk desk is locked, intercom, which is automatically switched to, carries out locking communication with the matched channel of trunk desk of locking, repeatedly, when
Automatically scanning is demodulated to solution and is transferred to new trunk desk and locking when intercom leaves the trunk desk signal cover of Current lock
The trunk desk automatically switches channel to the channel to match with Current lock trunk desk and is communicated, and realizes intercom in intercom
Automatic roaming between each trunk desk of automatic roaming system, it is simple and reasonable, cost is low, it is easy to use, using at
This is low, can wide popularization and application.
Detailed description of the invention
Fig. 1 is functional block diagram of the embodiment of the present invention；
Fig. 2 is the functional block diagram of intercom in the embodiment of the present invention.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention is further described, and the present invention is believed with the call that trunk desk issues
It enables and heartbeat signaling is using expansion explanation for subsonics signaling.
With reference to Fig. 1 and Fig. 2, preferred intercom automatic roaming system of the invention, including 16 trunk desks 1 and two
Intercom 2, MCU and baseband chip on intercom 2 described in each portion are the A21 chip of two-in-one encapsulation, and each trunk desk 1 is distinguished
It is different that tranmitting frequency is set, each trunk desk 1 respectively actively transmitting call subsonics signal and heartbeat subsonics signal and it is each in
Heartbeat infrasonic frequency after platform 1 is all the same, and the heartbeat subsonics of each trunk desk 1 is periodical launch and infrasonic frequency is adjustable
Setting, between each adjacent trunk desk 1 or the signal cover of trunk desk 1 have emit between the trunk desk 1 of intersection it is logical
Infrasonic frequency difference is talked about, the reception frequency of 2 each channel of intercom described in each portion is respectively set to a corresponding trunk desk 1
Tranmitting frequency.
A kind of method of intercom automatic roaming, comprising the following steps:
S1. the intercom automatic roaming that can make intercom automatic roaming between multiple trunk desks is established in conjunction with multiple trunk desks
System, tranmitting frequency difference is respectively set on each trunk desk in intercom roaming system, and each trunk desk is led respectively
The heartbeat infrasonic frequency of dynamic transmitting call subsonics signal and heartbeat subsonics signal and each trunk desk is all the same, each trunk desk
Heartbeat subsonics is periodical launch and the adjustable setting of infrasonic frequency, the call subsonics emitted between each adjacent trunk desk
Frequency is different；
S2. the call subsonics signal and the heart that each trunk desk being arranged on intercom in sustainable scanning demodulation step S1 issues
The baseband chip of the infrasonic frequency of subsonics signal is jumped, the MCU and baseband chip on intercom are the A21 chip of two-in-one encapsulation,
The reception frequency of intercom each channel is respectively set to a trunk desk tranmitting frequency in corresponding step S1；
S3. all channels that the intercom that previous step is arranged participates in scanning to setting continue scanning, when scanning each letter
Road stays for some time T, and whether the channel receives the signal and call subsonics of trunk desk transmitting within the period of residence time T
It unlocks or solution is transferred to heartbeat subsonics, be, intercom judges that trunk desk corresponding to the channel has signal and stops lock for sweep
Channeling and trunking platform connection, otherwise intercom automatically switches to subsequent channels and continues to scan on until switching and scanning to can receive
The signal and call subsonics of trunk desk transmitting are unlocked or solution is transferred to heartbeat subsonics, when scanning residence time T > 0 and scanning stop
Between the adjustable setting of T；
S4. when intercom receives the trunk desk transmitting of step S3 locking in the trunk desk transmitting subsonics period non-re-demodulation of setting
Signal and call subsonics are unlocked or when non-solutions is transferred to heartbeat subsonics, i.e. the intercom signal cover of leaving the trunk desk,
Intercom is replied again at this time executes step S3, i.e., intercom restores scanning demodulation, when intercom enters another trunk desk signal
Stop scanning when coverage area, while when solution is transferred to the heartbeat subsonics or useful signal of trunk desk and locks the trunk desk, intercommunication
Machine automatically switches to the matched channel of trunk desk with locking, realizes intercom in each relaying of intercom automatic roaming system
Roaming between platform.
The call subsonics signaling and heartbeat subsonics signaling that each trunk desk issues in the present invention also can be used MSK signaling or
FSK signaling or dtmf signaling etc. realize roaming of the intercom between trunk desk to substitute, and intercom uses other MCU and base band
Chip also may be used, it is only necessary to which baseband chip has the signaling that can scan demodulation trunk desk sending, and the quantity of intercom can be according to demand
Setting, at the same the trunk desk quantity of intercom automatic roaming system can be arranged according to the number of channel that intercom is possessed or
The signal cover that setting emits different call subsonics and trunk desk between trunk desk is adjacent have intersection trunk desk it
Between the different call subsonics of setting transmitting can also increase the quantity of the trunk desk in intercom automatic roaming system, between trunk desk
The infrasonic frequency of call subsonics is set as between each adjacent trunk desk or the signal cover of trunk desk has in intersection
It can also be realized after the infrasonic frequency difference emitted between platform.
The present invention is different by the way that tranmitting frequency is arranged on each trunk desk, and each trunk desk actively emits call letter respectively
Enable the heartbeat signaling frequencies of signal and heartbeat signaling-information and each trunk desk all the same, the heartbeat signaling of each trunk desk is week
The transmitting of phase property and signaling frequencies, which can adjust, to be arranged, and between each adjacent trunk desk or the signal cover of trunk desk has friendship
The call signaling frequencies emitted between the trunk desk of fork are different, and the reception frequency of each channel of intercom described in each portion is set respectively
It is set to a corresponding trunk desk tranmitting frequency, all channels that intercom participates in scanning to setting carry out continuing scanning, scanning
When each channel stay for some time T, within the period of residence time T the channel whether receive trunk desk transmitting signal and
Call signaling is unlocked or solution is transferred to heartbeat signaling, is that intercom judges that trunk desk corresponding to the channel has signal and stops
The connection of the lock for sweep channeling and trunking platform, otherwise intercom automatically switches to subsequent channels and continues to scan on until switching and scanning
To the signal that can receive trunk desk transmitting and call signaling is unlocked or solution is transferred to heartbeat signaling, when intercom leaves the trunk desk
Signal cover when intercom restore again scanning demodulation, when intercom enter another trunk desk signal cover when it is same
When solution stop scanning and lock the trunk desk when being transferred to heartbeat signaling or useful signal, intercom automatically switch to in locking
Locking communication is carried out after the matched channel of platform, repeatedly, when intercom leaves the trunk desk signal cover of Current lock
When automatically scanning be demodulated to solution be transferred to new trunk desk and lock the trunk desk automatically switch channel to Current lock trunk desk
The channel to match is communicated, and realizes automatic roaming of the intercom between each trunk desk of intercom automatic roaming system,
It is simple and reasonable, cost is low, easy to use, use cost is low, can wide popularization and application.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
It is white, it is not departing from the spirit and scope of the present invention defined by the appended claims, it in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (7)
1. a kind of method of intercom automatic roaming, it is characterised in that: the following steps are included:
S1. the intercom automatic roaming that can make intercom automatic roaming between multiple trunk desks is established in conjunction with multiple trunk desks
System, tranmitting frequency difference is respectively set on each trunk desk in intercom roaming system, and each trunk desk is led respectively
The heartbeat signaling frequencies of dynamic transmitting call signaling-information and heartbeat signaling-information and each trunk desk are all the same, each trunk desk
Heartbeat signaling is the adjustable setting of frequency of periodical launch and signaling, between each adjacent trunk desk or the letter of trunk desk
Number coverage area has the call signaling frequencies emitted between the trunk desk of intersection different；
S2. the call signaling-information and the heart that each trunk desk being arranged on intercom in sustainable scanning demodulation step S1 issues
The receptions frequency of intercom each channel is respectively set to correspond to one in step S1 by the baseband chip for jumping signaling-information
Trunk desk tranmitting frequency；
S3. all channels that the intercom that previous step is arranged participates in scanning to setting continue scanning, when scanning each letter
Road stays for some time T, and whether the channel receives the signal and call signaling of trunk desk transmitting within the period of residence time T
It unlocks or solution is transferred to heartbeat signaling, be, intercom judges that trunk desk corresponding to the channel has signal and stops lock for sweep
Channeling and trunking platform connection, otherwise intercom automatically switches to subsequent channels and continues to scan on until switching and scanning to can receive
The signal and call signaling of trunk desk transmitting are unlocked or solution is transferred to heartbeat signaling, when scanning residence time T > 0 and scanning stop
Between the adjustable setting of T；
S4. the trunk desk hair of step S3 locking is received in the trunk desk transmitting non-re-demodulation of heartbeat signaling period of setting when intercom
When the signal and call signaling penetrated are unlocked or non-solution is transferred to heartbeat signaling, i.e., the signal that intercom leaves the trunk desk covers model
It encloses, intercom is replied again at this time executes step S3, i.e., intercom restores scanning demodulation, when intercom is believed into another trunk desk
When number coverage area, while when solution is transferred to the heartbeat signaling or useful signal of trunk desk, stops scanning and locks the trunk desk, right
The machine of saying automatically switch to locking the matched channel of trunk desk, realize intercom intercom automatic roaming system it is each in
After the roaming between platform.
2. the method for intercom automatic roaming according to claim 1, it is characterised in that: intercom is from animation in step S1
Each trunk desk setting emits the call signaling of different frequency respectively in trip system.
3. the method for intercom automatic roaming according to claim 1, it is characterised in that: in the step S2 on intercom
MCU and baseband chip be two-in-one encapsulation A21 chip.
4. the method for intercom automatic roaming according to claim 1, it is characterised in that: the call signaling and heartbeat letter
Order is one of subsonics signaling, MSK signaling, FSK signaling, dtmf signaling.
5. a kind of intercom automatic roaming system, it is characterised in that: including multiple trunk desks and an at least intercom, Ge Gezhong
After platform be respectively set tranmitting frequency difference, each trunk desk respectively actively transmitting call signaling-information and heartbeat signaling-information and
The heartbeat signaling frequencies of each trunk desk are all the same, and the heartbeat signaling of each trunk desk is periodical launch and signaling frequencies can
Adjustment is arranged, and between each adjacent trunk desk or the signal cover of trunk desk has what is emitted between the trunk desk of intersection to lead to
Signaling frequencies difference is talked about, the reception frequency of each channel of intercom described in each portion is respectively set to corresponding trunk desk hair
Radio frequency rate.
6. intercom automatic roaming system according to claim 5, it is characterised in that: the MCU on intercom described in each portion
It is the A21 chip of two-in-one encapsulation with baseband chip.
7. intercom automatic roaming system according to claim 5, it is characterised in that: the call letter that the trunk desk issues
It enables and heartbeat signaling is one of subsonics signaling, MSK signaling, FSK signaling, dtmf signaling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020304.7A CN109511147A (en) | 2019-01-09 | 2019-01-09 | A kind of intercom automatic roaming system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020304.7A CN109511147A (en) | 2019-01-09 | 2019-01-09 | A kind of intercom automatic roaming system and method |
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| Publication Number | Publication Date |
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| CN109511147A true CN109511147A (en) | 2019-03-22 |
Family
ID=65756426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910020304.7A Pending CN109511147A (en) | 2019-01-09 | 2019-01-09 | A kind of intercom automatic roaming system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110475311A (en) * | 2019-10-12 | 2019-11-19 | 展讯通信（上海）有限公司 | Voice or the transmission method of data, device, system and storage medium |
| CN111246401A (en) * | 2020-01-14 | 2020-06-05 | 西安极蜂天下信息科技有限公司 | Frequency changing method and device |
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| CN110475311A (en) * | 2019-10-12 | 2019-11-19 | 展讯通信（上海）有限公司 | Voice or the transmission method of data, device, system and storage medium |
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| CN111246401A (en) * | 2020-01-14 | 2020-06-05 | 西安极蜂天下信息科技有限公司 | Frequency changing method and device |
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