CN109495852A - A kind of type radio station calling system with DA compatibility - Google Patents
A kind of type radio station calling system with DA compatibility Download PDFInfo
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- CN109495852A CN109495852A CN201910015774.4A CN201910015774A CN109495852A CN 109495852 A CN109495852 A CN 109495852A CN 201910015774 A CN201910015774 A CN 201910015774A CN 109495852 A CN109495852 A CN 109495852A
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
The invention discloses a kind of type radio station calling systems with DA compatibility, the smooth upgrade for realizing broadcasting station equipment from analogue technique to digital technology.In type radio station calling system, the voice communication mode that caller broadcasting station equipment is used to be supported according to caller broadcasting station equipment generates DSC call signaling, and sends DSC call signaling to called broadcasting station equipment by the channel DSC；Called broadcasting station equipment is for receiving DSC call signaling；DSC response signaling is generated according to the voice communication mode that called broadcasting station equipment is supported, and DSC call signaling is sent to caller broadcasting station equipment by the channel DSC；Wherein, voice communication mode includes: analog voice call mode and/or Digital Speech Communication mode；At least there is a signaling in DSC call signaling, DSC response signaling includes: voice communication mode indication field, and voice communication mode indication field is used to indicate using analog voice call mode or Digital Speech Communication mode.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of type radio station calling system with DA compatibility.
Background technique
In traditional fishery radio station, digital selective calling (Digital Selective Call, DSC) is used to believe
It enables, which is referred to as digital selective call signaling, by DSC signaling come support call person and by the signaling between the person of exhaling
Interaction can send DSC selective call message, when callee radio station receives the DSC selective call when calling party radio station initiates to call first
When message, needs the calling to calling party radio station to respond, be thus switched to specified talking path, then carry out voice again
Communication.
Due to being limited by technical conditions at that time, fishery radio station does not support Digital Speech Communication mode, and uses
Simple and practical frequency modulation (Frequency Modulation, FM) technology realizes the transmitting of analog voice.Traditional simulation FM
Although modulation system is simple, performance is easy to be interfered by certain limitation, such as voice quality, any to transmit
The additivity or multiplier interference introduced in the process not can remove, and in addition receiving sensitivity is lower, cause transmission range closer, it is difficult to
Meet the needs of user.
With technological progress, digital communication technology is increasingly mature, and the phonetic vocoder of low bit rate is also widely used, very
To there is also the vocoders for having open source, in this case, traditional simulation fishery radio station, which is upgraded to figure pattern just, to be become
A kind of trend.
In the prior art, since simulation fishery radio station's storage is larger, and the period of updating is longer, therefore in fishery radio station
During upgrading to figure pattern by simulation, the compatibility issue of new and old model just must be sufficiently paid close attention to, but how to be realized new
Compatible traditional simulation fishery radio station, fishery radio station, be still this field yet unresolved issue.
Summary of the invention
The purpose of the present invention is to provide a kind of type radio station calling systems with DA compatibility, for realizing broadcasting station equipment
From analogue technique to the smooth upgrade of digital technology.
In order to achieve the above object, the present invention uses such following technical solution:
The present invention provides a kind of type radio station calling system with DA compatibility, and the type radio station calling system includes: caller
Broadcasting station equipment and called broadcasting station equipment, the caller broadcasting station equipment are communicated to connect by digital selective calling DSC Path Setup,
Wherein,
The caller broadcasting station equipment, the voice communication mode for being supported according to the caller broadcasting station equipment generate DSC and exhale
It is signaling, and the DSC call signaling is sent to the called broadcasting station equipment by the channel DSC；
The called broadcasting station equipment, the DSC for being sent by caller broadcasting station equipment described in the DSC channel reception
Call signaling；DSC response signaling is generated according to the voice communication mode that the called broadcasting station equipment is supported, and passes through the DSC
Channel sends the DSC call signaling to the caller broadcasting station equipment；
Wherein, the voice communication mode includes: analog voice call mode and/or Digital Speech Communication mode；
At least there is a signaling in the DSC call signaling, the DSC response signaling includes: that voice communication mode refers to
Show that field, the voice communication mode indication field are used to indicate using the analog voice call mode or the number
Voice communication mode.
After adopting the above technical scheme, technical solution provided by the invention will have the following advantages:
In the type radio station calling system provided in an embodiment of the present invention with DA compatibility, caller broadcasting station equipment is sent
DSC call signaling is called broadcasting station equipment and sends DSC response signaling, at least has one in DSC call signaling, DSC response signaling
Signaling includes: voice communication mode indication field, and voice communication mode indication field is used to indicate using analog voice call
Mode or Digital Speech Communication mode.In embodiments of the present invention, it is only necessary to the voice communication mould supported according to broadcasting station equipment
Formula can configure the voice communication mode indication field in DSC signaling (including DSC call signaling or DSC response signaling).
The DSC signaling that the embodiment of the present invention is different from the prior art, can by the voice communication mode indication field increased newly in DSC signaling
To realize smooth upgrade of the broadcasting station equipment from analogue technique to digital technology.
Detailed description of the invention
Fig. 1 provides a kind of structure composed signal of type radio station calling system with DA compatibility for the embodiment of the present invention
Figure；
Fig. 2 is a kind of frame structure schematic diagram of original DSC signaling provided in an embodiment of the present invention；
Fig. 3 is a kind of frame structure schematic diagram after DSC signaling provided in an embodiment of the present invention is extended；
Fig. 4 is another frame structure schematic diagram after DSC signaling provided in an embodiment of the present invention is extended；
Fig. 5 is the interaction flow signal that a kind of simulation fishery radio station provided in an embodiment of the present invention calls digital fishery radio station
Figure；
Fig. 6 is that the interaction flow between a kind of digital fishery radio station and simulation fishery radio station provided in an embodiment of the present invention shows
It is intended to；
Fig. 7 is that the interaction flow between a kind of digital fishery radio station provided in an embodiment of the present invention and digital fishery radio station shows
It is intended to.
Specific embodiment
The embodiment of the invention provides a kind of type radio station calling system with DA compatibility, for realizing broadcasting station equipment from
Smooth upgrade of the analogue technique to digital technology.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, this field
Technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
Term " includes " in description and claims of this specification and above-mentioned attached drawing and " having " and they
Any deformation, it is intended that covering non-exclusive includes so as to a series of process, method comprising units, system, product or to set
It is standby to be not necessarily limited to those units, but be not clearly listed or these process, methods, product or equipment are consolidated
The other units having.
It is described in detail separately below.The present invention has one embodiment of the type radio station calling system of DA compatibility,
It can be applied in the system scenarios for carrying out Signalling exchange based on DSC.Refering to Figure 1, provided by the invention have digital-to-analogue simultaneous
The type radio station calling system (type radio station calling system is referred to as in subsequent embodiment) of capacitive, which includes at least two
Kind broadcasting station equipment, wherein there are two types of being interacted between broadcasting station equipment, such as calling and response are carried out, such as both radio station are set
Standby can be caller broadcasting station equipment and called broadcasting station equipment.The broadcasting station equipment scope of application provided in an embodiment of the present invention includes all
The broadcasting station equipment of the voice communication mode of call signaling interaction, example are carried out using DSC (digital selective call) or similar mode
If caller broadcasting station equipment and called broadcasting station equipment can be fishery radio station's equipment, for another example, caller broadcasting station equipment and called radio station
Equipment can also be radio station FM very high frequency(VHF) (Very High Frequency, VHF) using DSC selective call.According to the voice of support
The difference of communication pattern, and can be analog radio equipment and digital broadcasting station equipment.
In embodiments of the present invention, caller broadcasting station equipment passes through digital selective calling (Digital Selective
Call, DSC) channel and called broadcasting station equipment establish communication connection, such as the channel DSC can be according to " fishery marine frequency modulation
Radiophone (27.5MHz~39.5MHz) general technology specification " communication channel of the foundation between two broadcasting station equipments, when
When two broadcasting station equipments carry out Signalling exchange using the channel DSC, uplink and downlink communication can be completed to interact by DSC signaling,
The DSC signaling is referred to as DSC message.
In type radio station calling system provided in an embodiment of the present invention, carried out between caller broadcasting station equipment and called broadcasting station equipment
Following Signalling exchange:
Caller broadcasting station equipment, the voice communication mode for being supported according to caller broadcasting station equipment generate DSC call signaling, and
DSC call signaling is sent to called broadcasting station equipment by the channel DSC；
Called broadcasting station equipment, the DSC call signaling for being sent by DSC channel reception caller broadcasting station equipment；According to quilt
The voice communication mode for making broadcasting station equipment support generates DSC response signaling, and is sent by the channel DSC to caller broadcasting station equipment
DSC call signaling；
Wherein, voice communication mode includes: analog voice call mode and/or Digital Speech Communication mode；
At least there is a signaling in DSC call signaling, DSC response signaling includes: voice communication mode indication field, language
Sound communication pattern indication field is used to indicate using analog voice call mode or Digital Speech Communication mode.
In embodiments of the present invention, analog voice call mode is the speech pattern that broadcasting station equipment is supported in the prior art,
For realizing the transmitting of analog voice, in the embodiment of the present invention digital radio station equipment be support simultaneously analog voice call mode and
Digital Speech Communication mode, digital radio station equipment can switch between both voice communication modes.
In embodiments of the present invention, DSC call signaling, DSC response signaling can be known as DSC signaling, or directly letter
Referred to as signaling, at least there is a signaling in DSC call signaling, DSC response signaling includes: voice communication mode instruction word
Section, which is the voice communication mode for being used to indicate broadcasting station equipment and being supported, such as voice communication mode indication field is used for
Instruction uses analog voice call mode or Digital Speech Communication mode.
In embodiments of the present invention, between caller broadcasting station equipment and called broadcasting station equipment by DSC signaling complete calling with
Response, in current " fishery marine frequency modulation radiophone (27.5MHz~39.5MHz) general technology specification ", fishery radio station
It is all unified to carry out voice communication using simulation FM standard, without carrying out voice communication using digital form.The unification of DSC signaling
It may include: dot matrix field in frame structure, transmission (Transmitter, TX)/receive (Receive, RX) sequence field, DSC disappears
Cease body field, frame end identification field.Other than including above-mentioned field, which can also include: voice communication mode
Indication field, the field are used to indicate using analog voice call mode or Digital Speech Communication mode.
Wherein, dot matrix field, i.e. at least 20 continuous 0,1 alternate Serial No.s.TX sequence: 1,011,111 001 (i.e.
First 7 are 125 (backwards), latter 3 in first 70 number).RX sequence: totally 8, they are 111 respectively
(111101001)、110(0111011010)、109(1011011010)、108(0011011011)、107(1101011010)、
106(0101011011),105(1001011011),104(0001011100).Frame end identification field refers to a DSC signaling
End of identification, such as the frame end identification field can be 8 bits, and the specific value of frame end identification field depends on answering
Use scene.
As shown in Fig. 2, being a kind of frame structure schematic diagram of original DSC signaling provided in an embodiment of the present invention.DSC signaling
It may include: dot matrix field, TX/RX sequence field, DSC message body field, HXIYHHHI field in unified frame structure.Wherein, H
To identify different type frame in DSC frame, while DSC frame end mark can be doubled as.H shares 3 values, to distinguish difference
DSC message type, they are 117 (1010111010), 122 (0101111010), 127 (1111111000) respectively.I value is
Respective column check value.
For original DSC signaling, in a frame structure of DSC signaling, with 20 alternate 0/1 dot matrix marks one
The beginning of a DSC frame, and the end of a DSC frame is identified with a HXIYHHHI, wherein H indicates the type of DSC frame, such as has
Three types H value is available, it may be assumed that 117,122 and 127.It, can when the combination this to HXIYHHHI of DSC frame decoding program scanning
Confirmation is the ending of a DSC frame herein, subsequent data are not handling, unless detecting that another DSC frame starts to identify
Sequence.
In embodiments of the present invention, DSC signaling is elongated message, and the message-length of all kinds of DSC signalings is not quite similar.It is right
In the transmission of DSC signaling, existing specification does not provide whether allow to have gap between continuous 2 adjacent DSC frames, only advises
Determine the number that DSC must be continuously transmitted, meanwhile, whether the leader sequence that aforementioned specifications are also not specified by DSC frame is necessary for 20
A 0/1 alternate sequence, 0,1 alternate sequence of leader sequence i.e. 20 or 20 or more, agreement only provide to have to be larger than
In 20.Gap refers to the time interval between two adjacent DSC messages, in " fishery marine frequency modulation radiophone
(27.5MHz~39.5MHz) general technology specification " there is no the length of clear stipulaties DSC signaling, transmission can be connected from beginning to end,
It can also be spaced a shorter time, the time of the content and transmission that send during this period, there are strict requirements.
Using the frame structure feature of above-mentioned DSC signaling, it is appropriate that the embodiment of the present invention can carry out the frame structure of DSC signaling
Extension, to show that current business is analog voice call mode or Digital Speech Communication mode.In subsequent embodiment, simulation
Voice communication mode is referred to as analog system, and Digital Speech Communication mode is referred to as digital system.
At least there is a signaling in DSC call signaling, DSC response signaling further include: frame end identification field, wherein
Voice communication mode indication field is adjacent with frame end identification field, and voice communication mode indication field is in frame
After end of identification field.
I.e. the voice communication mode indication field is extended on the basis of the frame structure of original DSC signaling, original
The frame structure end (i.e. frame end identification field) of DSC signaling is added to voice communication mode indication field, in this realization field
Under scape, the mark of frame end identification field not instead of DSC end of signaling, if be used to indicate after frame end identification field
Extension has new field, then the new field is exactly the voice communication mode indication field, analog radio is set in the prior art
The standby frame structure that can only parse original DSC signaling, and digital radio station equipment is after parsing original DSC signaling, can also be into
The voice communication mode indication field added after the parsing frame end identification field of one step, so as to according to voice communication mould
The instruction of formula indication field determines voice communication mode used by other side's broadcasting station equipment, realize broadcasting station equipment from analogue technique to
The smooth upgrade of digital technology, it can be ensured that the broadcasting station equipment of two kinds of standards can carry out normal voice communication.
In some embodiments of the invention, the value of voice communication mode indication field has the following two kinds: the first bit
Sequence and the second bit sequence, wherein
If instruction uses analog voice call mode when the value of voice communication mode indication field is the first bit sequence；
Or,
If instruction uses Digital Speech Communication mode when the value of voice communication mode indication field is the second bit sequence；
First bit sequence is made of identical continuous two the first fields of value；
Second bit sequence is made of identical continuous two the second fields of value.
As shown in Figure 3 and Figure 4, two kinds of frame structure schematic diagrames after being extended for DSC signaling provided in an embodiment of the present invention.
DD in figure is the first bit sequence, and instruction uses analog voice call mode.AA in figure is the second bit sequence, and instruction is adopted
With Digital Speech Communication mode.
In embodiments of the present invention, the first bit sequence is made of identical continuous two the first fields of value；Second ratio
Special sequence is made of identical continuous two the second fields of value.For example, the first field is D, then the first bit sequence is two
D, the second field are A, then the second bit sequence is two A.Additional two DD or AA can reduce erroneous judgement, when a field is sent
When mistake, it can be judged by another field.
Such as Fig. 3 and Fig. 4's for example, fishery radio station for DA compatibility, when expectation communicates in digital mode
AA field is added after standard DSC frame when adding DD field after standard DSC frame, and it is expected to communicate with simulation model, as seen from the figure,
In the case where keeping original DSC message structure constant, sews at the end of original DSC signaling and add two characters (7bit) and its school
Value (3bit) is tested, the additional message of 20bit is amounted to, the addition of the additional message does not produce original DSC framing and frame decoding process
Raw any influence.
It being illustrated below, DD bit sequence are as follows: 0,010,001 101 0,010,001 101, preceding 7bit correspond to character D,
Indicate that digital, rear 3bit correspond to 0 number in character D；
AA bit sequence are as follows: 1,000,001 101 1,000,001 101, preceding 7bit correspond to character A, indicate anolog, after
3bit corresponds to 0 number in character A.
For 10bit field, preceding 7bit is raw information, and rear 3bit is the coding of 0 number in preceding 7bit, theoretical
Upper DD, AA field can choose the different field identification of any two, but optimum choice 0,010,001 101 0010001 here
101 (DD) 1,000,001 101 1,000,001 101 (AA), it is judged by accident to avoid when carrying out frame head and being identified with postamble.
In DSC frame, for the ease of recipient's EDC error detection and correction, specification provides that each 7bit character expansion is
10bit, preceding 7bit are raw information (backward), and rear 3bit is 0 number in preceding 7bit, such as when transmitting 127, practical to send
Be 1111111000, when sending 0, what is actually sent is 0000000111.
When traditional analog fishery radio station receives the DSC signaling of above-mentioned extension form, can normally receive in addition to DD or AA
The information of field, and DD or AA field will not be comprehended.
For all callings for not needing response, for example, urgent call, weather call, generally call calling, group busy calling and
Extra large whirling etc., this kind of calling does not need called party and carries out response, therefore can not carry out the exchange of call type, because
This defers to tradition under currently to simulate the use environment based on fishery radio station, unified to be engaged in the dialogue using analog system,
When appropriate opportunity, it is all being switched to figure pattern.
For response in need call request, using the DSC message after extension, may be implemented digital fishery radio station and
The intercommunication (can only be in an analog fashion) between fishery radio station is simulated, and may insure between digital fishery radio station simultaneously can be according to
The wish of user selects or analog form or digital form carry out voice communication, to realize fishery radio station from analogue technique to number
The smooth upgrade of word technology.
By aforementioned illustration it is found that caller broadcasting station equipment can be analog radio equipment, called broadcasting station equipment be can be
Digital radio station equipment.Or caller broadcasting station equipment can be digital radio station equipment, called broadcasting station equipment can be analog radio and set
It is standby.Or caller broadcasting station equipment and called broadcasting station equipment can be digital radio station equipment.Based on above-mentioned different system architecture, connect
Get off and is illustrated respectively.
In some embodiments of the present application, when caller broadcasting station equipment is analog radio equipment, caller broadcasting station equipment is adopted
It does not include voice communication mode indication field in DSC call signaling with analog voice call mode；
When called broadcasting station equipment is digital radio station equipment, it is called broadcasting station equipment and uses Digital Speech Communication mode, be called
Broadcasting station equipment is also used to from Digital Speech Communication pattern switching to analog voice call mode；It include voice in DSC response signaling
Communication pattern indication field, voice communication mode indication field are specifically used for indicating that called broadcasting station equipment is logical using analog voice
Letter mode.
As shown in figure 5, for a kind of interaction of the digital fishery radio station of simulation fishery radio station calling provided in an embodiment of the present invention
Flow diagram.For traditional simulation fishery radio station, framing frame decoding can be carried out according to traditional DSC signaling format, after frame
Additional DD or AA field will not be received or be explained, and only support the DA compatibility fishery radio station of extension DSC signaling
Just DD field or AA field can be received and explained, and generate corresponding logical action, or switching standard, or keep system
Formula.For following the broadcasting station equipment (such as DSC receiver) of conventional set, can only be received with conventional set, it also only can be by
It is replied according to traditional DSC signaling.And for digital radio station equipment, then the voice that can parse the end addition of DSC signaling is logical
Letter mode indication field.
Under this scene shown in Fig. 5, simulation fishery radio station sends the DSC calling of standard system, digital fishery radio station
DSC receiver receive the DSC calling after, determine the calling be simulation fishery radio station issue, can only in an analog fashion with its
Communication, therefore regardless of which kind of mode Contemporary Digital fishery radio station is in, it requires to be switched to analog system, then sends reticle
The DSC signaling of formula or extended format (AA extension) after simulation fishery radio station receives the message, carries out respective handling, final double
Side is communicated in an analog fashion.
In some embodiments of the present application, when caller broadcasting station equipment is digital radio station equipment, caller broadcasting station equipment is adopted
It include voice communication mode indication field, voice communication mode indication field in DSC call signaling with analog voice call mode
Analog voice call mode is used specifically for instruction caller broadcasting station equipment；
When called broadcasting station equipment is analog radio equipment, it is called broadcasting station equipment and uses analog voice call mode, DSC is answered
Answering does not include voice communication mode indication field in signaling.
In some embodiments of the present application, when caller broadcasting station equipment is digital radio station equipment, caller broadcasting station equipment is adopted
It include voice communication mode indication field, voice communication mode indication field in DSC call signaling with Digital Speech Communication mode
Digital Speech Communication mode is used specifically for instruction caller broadcasting station equipment；
When called broadcasting station equipment is analog radio equipment, it is called broadcasting station equipment and uses analog voice call mode, DSC is answered
Answering does not include voice communication mode indication field in signaling；
Caller broadcasting station equipment is also used to receive the DSC response signaling that called broadcasting station equipment is sent；Determine DSC response signaling
In when not including voice communication mode indication field, from Digital Speech Communication pattern switching to analog voice call mode.
As shown in fig. 6, being the friendship between a kind of digital fishery radio station and simulation fishery radio station provided in an embodiment of the present invention
Mutual flow diagram.When calling party is digital fishery radio station, and callee is simulation fishery radio station, no matter digital fishery radio station
It is expected that (or number or simulation) converses in which way, finally by DSC Signalling exchange, it all uniformly revert to analogue communication
Mode is communicated.
In some embodiments of the present application, when caller broadcasting station equipment and called broadcasting station equipment are all digital radio station equipment
When,
Caller broadcasting station equipment uses analog voice call mode, the voice communication mode instruction for including in DSC call signaling
Field is specifically used for instruction caller broadcasting station equipment and uses analog voice call mode；
Called broadcasting station equipment uses Digital Speech Communication mode, is called broadcasting station equipment, is specifically used for according to DSC call signaling
In include voice communication mode indication field from Digital Speech Communication pattern switching to analog voice call mode；DSC response
The voice communication mode indication field for including in signaling is used to indicate called broadcasting station equipment using analog voice call mode.
In some embodiments of the present application, when caller broadcasting station equipment and called broadcasting station equipment are all digital radio station equipment
When,
Caller broadcasting station equipment uses Digital Speech Communication mode, the voice communication mode instruction for including in DSC call signaling
Field is specifically used for instruction caller broadcasting station equipment and uses Digital Speech Communication mode；
Called broadcasting station equipment uses Digital Speech Communication mode, the voice communication mode instruction for including in DSC response signaling
Field is used to indicate called broadcasting station equipment using Digital Speech Communication mode.
In some embodiments of the present application, when caller broadcasting station equipment and called broadcasting station equipment are all digital radio station equipment
When,
Caller broadcasting station equipment uses analog voice call mode, the voice communication mode instruction for including in DSC call signaling
Field is specifically used for instruction caller broadcasting station equipment and uses analog voice call mode；
Called broadcasting station equipment uses Digital Speech Communication mode, the voice communication mode instruction for including in DSC response signaling
Field is used to indicate called broadcasting station equipment using Digital Speech Communication mode；
Caller broadcasting station equipment is also used to receive the DSC response signaling that called broadcasting station equipment is sent；According to DSC response signaling
In include voice communication mode indication field from analog voice call pattern switching to Digital Speech Communication mode.
As shown in fig. 7, the friendship between a kind of digital fishery radio station provided in an embodiment of the present invention and digital fishery radio station
Mutual flow diagram.When caller broadcasting station equipment and called broadcasting station equipment are all digital radio station equipment, it is related to above-mentioned three kinds of complexity
Realization scene, this will depend on call control strategy.It is all digital fishery radio station that if a kind of strategy, which is exactly calling and called,
Communication so between the two can all sum up in the point that digital communication mode.But in view of simulating FM in the stronger situation of signal
Communication mode can provide higher voice communication quality, so may also can tend to be communicated using analog system, this is taken
Certainly in the signal strength of active user.
Shown in Fig. 5 to Fig. 7 as discussed above, the embodiment of the present invention gives simulation fishery radio station and digital fishery radio station not
With the interactive mode under scene, no matter under what circumstances, it may ensure that the fishery radio station of two kinds of standards can carry out normally
Voice communication.
As described above, both ensure that digital fishery radio station by the appropriate extension standardized to traditional fishery radio station DSC and passed
The compatibility of system simulation fishery radio station eliminates obstacle for the popularization and use of digital fishery radio station, while being digital fishery radio station
The expansion of later period ability provide the foundation, to establish technical foundation for the industrial upgrading of fishery radio station.
By illustration above-mentioned it is found that in the calling-up system provided in an embodiment of the present invention with DA compatibility
In system, caller broadcasting station equipment sends DSC call signaling, is called broadcasting station equipment and sends DSC response signaling, DSC call signaling, DSC
At least there is a signaling in response signaling includes: voice communication mode indication field, and voice communication mode indication field is used for
Instruction uses analog voice call mode or Digital Speech Communication mode.In embodiments of the present invention, it is only necessary to according to electricity
The voice communication mode that platform equipment is supported can configure in DSC signaling (including DSC call signaling or DSC response signaling)
Voice communication mode indication field.The DSC signaling that the embodiment of the present invention is different from the prior art passes through what is increased newly in DSC signaling
Smooth upgrade of the broadcasting station equipment from analogue technique to digital technology may be implemented in voice communication mode indication field.
In addition it should be noted that, the apparatus embodiments described above are merely exemplary, wherein described as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.In addition, provided by the invention
In Installation practice attached drawing, the connection relationship between module indicates there is communication connection between them, specifically can be implemented as one
Item or a plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, it can
It understands and implements.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Help software that the mode of required common hardware is added to realize, naturally it is also possible to by specialized hardware include specific integrated circuit, specially
It is realized with CPU, private memory, special components and parts etc..Under normal circumstances, all functions of being completed by computer program are ok
It is easily realized with corresponding hardware, moreover, being used to realize that the specific hardware structure of same function is also possible to a variety of more
Sample, such as analog circuit, digital circuit or special circuit etc..But software program is real in situations more for the purpose of the present invention
It is now more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words makes the prior art
The part of contribution can be embodied in the form of software products, which is stored in the storage medium that can be read
In, such as the floppy disk of computer, USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic or disk etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
In conclusion the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to upper
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to upper
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of type radio station calling system with DA compatibility, which is characterized in that the type radio station calling system includes: caller electricity
Platform equipment and called broadcasting station equipment, the caller broadcasting station equipment are communicated to connect by digital selective calling DSC Path Setup,
In,
The caller broadcasting station equipment, the voice communication mode for being supported according to the caller broadcasting station equipment generate DSC calling letter
It enables, and the DSC call signaling is sent to the called broadcasting station equipment by the channel DSC；
The called broadcasting station equipment, the DSC calling for being sent by caller broadcasting station equipment described in the DSC channel reception
Signaling；DSC response signaling is generated according to the voice communication mode that the called broadcasting station equipment is supported, and passes through the channel DSC
The DSC call signaling is sent to the caller broadcasting station equipment；
Wherein, the voice communication mode includes: analog voice call mode and/or Digital Speech Communication mode；
At least there is a signaling in the DSC call signaling, the DSC response signaling includes: voice communication mode instruction word
Section, the voice communication mode indication field are used to indicate using the analog voice call mode or the digital speech
Communication pattern.
2. a kind of type radio station calling system with DA compatibility according to claim 1, which is characterized in that the DSC
At least there is a signaling in call signaling, the DSC response signaling further include: frame end identification field, wherein
The voice communication mode indication field is adjacent with the frame end identification field, and the voice communication mode indicates word
Section is after the frame end identification field.
3. a kind of type radio station calling system with DA compatibility according to claim 1, which is characterized in that the voice
The value of communication pattern indication field has the following two kinds: the first bit sequence and the second bit sequence, wherein
If instruction uses the analog voice when value of the voice communication mode indication field is first bit sequence
Communication pattern；Or,
If instruction uses the digital speech when value of the voice communication mode indication field is second bit sequence
Communication pattern；
First bit sequence is made of identical continuous two the first fields of value；
Second bit sequence is made of identical continuous two the second fields of value.
4. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment is analog radio equipment, the caller broadcasting station equipment uses the analog voice call mould
Formula does not include the voice communication mode indication field in the DSC call signaling；
When the called broadcasting station equipment is digital radio station equipment, the called broadcasting station equipment uses the Digital Speech Communication mould
Formula, the called broadcasting station equipment are also used to from the Digital Speech Communication pattern switching to the analog voice call mode；Institute
Stating includes the voice communication mode indication field in DSC response signaling, and the voice communication mode indication field is specifically used for
Indicate that the called broadcasting station equipment uses the analog voice call mode.
5. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment is digital radio station equipment, the caller broadcasting station equipment uses the analog voice call mould
Formula, includes the voice communication mode indication field in the DSC call signaling, and the voice communication mode indication field is specific
The caller broadcasting station equipment is used to indicate using the analog voice call mode；
When the called broadcasting station equipment is analog radio equipment, the called broadcasting station equipment uses the analog voice call mould
Formula does not include the voice communication mode indication field in the DSC response signaling.
6. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment is digital radio station equipment, the caller broadcasting station equipment uses the Digital Speech Communication mould
Formula, includes the voice communication mode indication field in the DSC call signaling, and the voice communication mode indication field is specific
The caller broadcasting station equipment is used to indicate using the Digital Speech Communication mode；
When the called broadcasting station equipment is analog radio equipment, the called broadcasting station equipment uses the analog voice call mould
Formula does not include the voice communication mode indication field in the DSC response signaling；
The caller broadcasting station equipment is also used to receive the DSC response signaling that the called broadcasting station equipment is sent；Described in determination
When not including the voice communication mode indication field in DSC response signaling, from the Digital Speech Communication pattern switching to institute
State analog voice call mode.
7. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment and the called broadcasting station equipment are all digital radio station equipment,
The caller broadcasting station equipment uses the analog voice call mode, the voice communication for including in the DSC call signaling
Mode indication field is specifically used for indicating that the caller broadcasting station equipment uses the analog voice call mode；
The called broadcasting station equipment uses the Digital Speech Communication mode, and the called broadcasting station equipment is specifically used for according to institute
The voice communication mode indication field for including in DSC call signaling is stated from the Digital Speech Communication pattern switching to the simulation
Voice communication mode；The voice communication mode indication field for including in the DSC response signaling is used to indicate the called radio station
Equipment uses the analog voice call mode.
8. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment and the called broadcasting station equipment are all digital radio station equipment,
The caller broadcasting station equipment uses the Digital Speech Communication mode, the voice communication for including in the DSC call signaling
Mode indication field is specifically used for indicating that the caller broadcasting station equipment uses the Digital Speech Communication mode；
The called broadcasting station equipment uses the Digital Speech Communication mode, the voice communication for including in the DSC response signaling
Mode indication field is used to indicate the called broadcasting station equipment using the Digital Speech Communication mode.
9. a kind of type radio station calling system with DA compatibility according to any one of claim 1 to 3, feature exist
In,
When the caller broadcasting station equipment and the called broadcasting station equipment are all digital radio station equipment,
The caller broadcasting station equipment uses the analog voice call mode, the voice communication for including in the DSC call signaling
Mode indication field is specifically used for indicating that the caller broadcasting station equipment uses the analog voice call mode；
The called broadcasting station equipment uses the Digital Speech Communication mode, the voice communication for including in the DSC response signaling
Mode indication field is used to indicate the called broadcasting station equipment using the Digital Speech Communication mode；
The caller broadcasting station equipment is also used to receive the DSC response signaling that the called broadcasting station equipment is sent；According to described
The voice communication mode indication field for including in DSC response signaling is from the analog voice call pattern switching to the digital language
Sound communication pattern.
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