CN102958111B - A kind of realization method and system of adaptive single time slot multiuser channel voice technology - Google Patents
A kind of realization method and system of adaptive single time slot multiuser channel voice technology Download PDFInfo
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- CN102958111B CN102958111B CN201110244235.1A CN201110244235A CN102958111B CN 102958111 B CN102958111 B CN 102958111B CN 201110244235 A CN201110244235 A CN 201110244235A CN 102958111 B CN102958111 B CN 102958111B
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Abstract
The present invention discloses a kind of implementation method of adaptive single time slot multiuser channel voice technology, including：When BSC carries out VSMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；The response message of VAMOS pairing request message is sent to BSC by adjacent BSC according to the VAMOS pairing request message received；What the present invention also provided a kind of adaptive single time slot multiuser channel voice technology realizes system.Technique according to the invention scheme, can solve the problem that the interference problem between the BSC produced using VAMOS technologies.
Description
Technical field
The present invention relates to moving communicating field, more particularly to a kind of reality of adaptive single time slot multiuser channel voice technology
Existing method and system.
Background technology
The network of shop mobile communication (GSM, Global System of Mobile communication) system
Framework as shown in figure 1, including core net, base station controller (BSC, Base Station Controller) and base station (BTS,
Base Station), BSC and BTS can be collectively referred to as base station sub-system (BSS, Base Station Subsystem), core net again
Interface between BSC is referred to as A interfaces, and the interface between BSC and BTS is referred to as Abis interface, connecing between BTS and mobile terminal (MS)
Mouth is referred to as Um Interface；Core net, BSC and BTS are cooperated, and complete mobile voice service function is provided to MS.
Conventional GSM system be time division multiple acess (TDMA, Time Division Multi Access) system, power system capacity by
It is limited to time slot (TS, Time Slot) resource, and a TS can only carry a full rate (FR, Full Rate) voice use simultaneously
Family or two half rate (HR, HalfRate) voice users.With the evolution of technology, occur in that many raising frequency spectrum resources are utilized
The technology of efficiency, adaptive list time slot multiuser channel voice (VAMOS, Voice services over Adaptive
Multi-user channels on One Slot) technology is one kind therein.VAMOS technologies allow over a slot
Two FR voice users or 4 HR voice users are carried simultaneously, so as on the premise of increase frequency spectrum resource is not required, improve
Whole support of the gsm system to voice user's capacity.
But, with continuing to develop and evolution for VAMOS technologies, the continuous maturation of technology, operator is to VAMOS technologies
It is required that being also continuously increased, while also focusing more on performance impact of the VAMOS technologies to network.
Conventionally, as BSC can not know that other BSC uses VAMOS situation, therefore BSC can only be according to certainly
Body considers mobile terminal is matched or contacted using VAMOS to match using VAMOS situation, and this can make between resulting in BSC
After VAMOS functions, the problem of mutually producing influence between VAMOS pairing channels, for example, the BTS1 under BSC1 moves certain two
Dynamic terminal has carried out VAMOS pairings, and using frequency 1, and two other mobile terminal has been carried out VAMOS and matched somebody with somebody by the BTS2 under BSC2
It is right, also using frequency 1, if now BTC1 and BTC2 from it is close, will produce mutual interference between this four mobile terminals.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of realization method and system of VAMOS technologies, it can solve
Interference problem between the BSC certainly produced using VAMOS technologies.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of implementation method of adaptive single time slot multiuser channel voice (VAMOS) technology, including：
When BSC carries out VSMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；
Adjacent BSC sends out the response message of VAMOS pairing request message according to the VAMOS pairing request message received
Give BSC.
In the above method, this method also includes：
BSC is according to the information in the response messages of all VAMOS pairing requests message, and local frequency to be paired
Pairing situation and disturbed condition, decide whether to be matched.
In the above method, the BSC sends VAMOS pairing request message at least one adjacent BSC and is：
VAMOS pairing request message is sent to adjacent BSC by BSC by the interface between BSC；Wherein, the VAMOS
The non-slotted channel information where BSC frequency point informations to be paired and the frequency point information is carried in pairing request message, or it is described
Information is not carried in VAMOS pairing request message.
In the above method, the response message of VAMOS pairing request message is sent to BSC and is by the adjacent BSC：
If where carrying BSC frequency point informations to be paired and the frequency point information in VAMOS pairing request message
Non-slotted channel information, then disturbed condition and/or VAMOS pairing of the local frequency of adjacent BSC inquiries in the non-slotted channel
Situation, when VAMOS pairing situations are to have matched, and/or disturbed condition is that judged result is when disturbing to exceed max threshold
It is not recommended that BSC is in the frequency, the non-slotted channel is matched；Conversely, judged result is suggestion BSC in the frequency non-slotted channel
Matched；Adjacent BSC will carry the response message of the VAMOS pairing request message of judged result, pass through the interface between BSC
It is sent to BSC.
In the above method, the response message of VAMOS pairing request message is sent to BSC and is by the adjacent BSC：
If where carrying BSC frequency point informations to be paired and the frequency point information in VAMOS pairing request message
Non-slotted channel information, then disturbed condition and/or VAMOS pairing of the local frequency of adjacent BSC inquiries in the non-slotted channel
Situation, situation is matched by the disturbed condition inquired and/or VAMOS, by the response message of VAMOS pairing request message, and
BSC is sent to by the interface between BSC.
In the above method, the response message of VAMOS pairing request message is sent to BSC and is by the adjacent BSC：
If without information is carried in VAMOS pairing request message, adjacent BSC inquires about the disturbed condition of home cell
And/or VAMOS pairing situations, the disturbed condition inquired and/or VAMOS pairings situation are passed through into VAMOS pairing request message
Response message, and BSC is sent to by the interface between BSC；Wherein home cell is all cells or phase under adjacent BSC
The cell adjacent with BSC under adjacent BSC.
In the above method, the BSC is according to the information in the response messages of all VAMOS pairing requests message, Yi Jiben
The pairing situation and disturbed condition of ground frequency to be paired, decide whether to be paired into：
If the information in the response message of VAMOS pairing request message is adjacent BSC judged result, BSC roots
According to the judged result, and the pairing situation and disturbed condition of local frequency to be paired are combined, decide whether to be matched.
In the above method, the BSC is according to the information in the response messages of all VAMOS pairing requests message, Yi Jiben
The pairing situation and disturbed condition of ground frequency to be paired, decide whether to be paired into：
If the frequency that the information in the response message of VAMOS pairing request message is adjacent BSC is believed in the time slot
Disturbed condition and/or VAMOS the pairing situation in road, then BSC matches situation according to the disturbed condition and/or VAMOS, and combines this
The pairing situation and disturbed condition of ground frequency to be paired, decide whether to be matched.
In the above method, the BSC is according to the information in the response messages of all VAMOS pairing requests message, Yi Jiben
The pairing situation and disturbed condition of ground frequency to be paired, decide whether to be paired into：
If the information in the response message of VAMOS pairing request message be under adjacent BSC the disturbed condition of cell and/
Or VAMOS matches situation, then BSC therefrom obtains the non-slotted channel where local frequency point information to be paired and the frequency point information
Information matches situation in adjacent BSC disturbed condition and/or VAMOS, and situation is matched according to the disturbed condition and/or VAMOS,
And the pairing situation and disturbed condition of local frequency to be paired are combined, decide whether to be matched.
The present invention also provides a kind of system of realizing of VAMOS technologies, including：BSC adjacent with least one BSC；Wherein,
BSC, for carrying out during VSMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；
Adjacent BSC, for according to the VAMOS pairing request message received, the response of VAMOS pairing request message to be disappeared
Breath is sent to BSC.
In said system, the BSC is additionally operable to, according to the information in the response message of all VAMOS pairing requests message,
And the pairing situation and disturbed condition of local frequency to be paired, decide whether to be matched.
The realization method and system for the VAMOS technologies that the present invention is provided, when BSC carries out VSMOS pairings, at least one phase
Adjacent BSC sends VAMOS pairing request message；Adjacent BSC matches VAMOS according to the VAMOS pairing request message received
The response message of request message is sent to BSC, therefore when BSC carries out VSMOS pairings, can know that other BSC use VAMOS
Situation, and according to other BSC use VAMOS situation, to mobile terminal carry out VAMOS pairings, so as to avoid in BSC
Between use after VAMOS technologies, VAMOS pairing channels mutually produce interference and mobile terminal the problem of interfere.
Brief description of the drawings
Fig. 1 is the network architecture schematic diagram of gsm system in the prior art；
Fig. 2 is the schematic flow sheet of the implementation method of VAMOS technologies of the present invention；
Fig. 3 is the schematic diagram of the embodiment one of the implementation method of VAMOS technologies of the present invention；
Fig. 4 is the schematic diagram of the embodiment two of the implementation method of VAMOS technologies of the present invention；
Fig. 5 is the structural representation for realizing system of VAMOS technologies of the present invention.
Embodiment
The present invention basic thought be：When BSC carries out VSMOS pairings, send VAMOS at least one adjacent BSC and match somebody with somebody
To request message；Adjacent BSC is according to the VAMOS pairing request message received, by the response message of VAMOS pairing request message
It is sent to BSC.
The present invention is described in further detail again below by drawings and the specific embodiments.
The present invention provides a kind of implementation method of VAMOS technologies, and Fig. 2 is the stream of the implementation method of VAMOS technologies of the present invention
Journey schematic diagram, as shown in Fig. 2 this method comprises the following steps：
Step 201, when BSC carries out VSMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；
Specifically, it is necessary to which the VAMOS pairing requests reported according to itself coverage cell, sentence during BSC progress VAMOS pairings
Break and the BSC adjacent with the cell of itself covering, adjacent BSC can be one or more, and BSC, will by the interface between BSC
VAMOS pairing request message is sent to adjacent BSC；Wherein, can to carry BSC in VAMOS pairing requests message to be paired
It can not also carry and appoint in non-slotted channel information where frequency point information and the frequency point information, or VAMOS pairing request message
What information, now BSC is that the VAMOS that adjacent BSC is asked to adjacent BSC matches situation.
Step 202, adjacent BSC is according to the VAMOS pairing request message received, by the sound of VAMOS pairing request message
Message is answered to be sent to BSC；
Specifically, adjacent BSC is received after VAMOS pairing request message, the VAMOS pairing request message is solved
Analysis, if the time slot letter where BSC frequency point informations to be paired and the frequency point information are carried in VAMOS pairing request message
Road information, then the local frequency of adjacent BSC inquiries match situation in the disturbed condition and/or VAMOS of the non-slotted channel, sentence
Whether the frequency point information and non-slotted channel information carried in disconnected VAMOS pairing request message can be matched in BSC；When
Adjacent BSC is when the VAMOS pairing situations of the frequency non-slotted channel are to have matched, and/or adjacent BSC is in the frequency
When the disturbed condition of the non-slotted channel is that interference exceedes max threshold, adjacent BSC judged result is it is not recommended that BSC is in the frequency
The point non-slotted channel is matched；Conversely, adjacent BSC judged result is that in the frequency, the non-slotted channel is carried out suggestion BSC
Pairing；Adjacent BSC will carry the response message of the VAMOS pairing request message of judged result, be sent by the interface between BSC
To BSC；
Or, adjacent BSC does not judge that the frequency point information and non-slotted channel information that are carried in VAMOS pairing requests whether may be used
To be matched in BSC, but directly by the local frequency inquired in the disturbed condition of the non-slotted channel and/or
VAMOS matches situation, and BSC is sent to by the response message of VAMOS pairing request message, and by the interface between BSC；
If without any information is carried in VAMOS pairing request message, adjacent BSC inquires about the interference of home cell
Situation and/or VAMOS pairing situations, VAMOS pairing requests are passed through by the disturbed condition inquired and/or VAMOS pairings situation
The response message of message, and BSC is sent to by the interface between BSC；Here home cell refers to all under adjacent BSC
The cell adjacent with BSC under cell or adjacent BSC.
Step 203, BSC is according to the information in the response messages of all VAMOS pairing requests message, and local to be paired
Frequency pairing situation and disturbed condition, decide whether to be matched；
Specifically, BSC receives the response message for the VAMOS pairing request message that all adjacent BSC are returned, and solved
Analysis, if the information in the response message of VAMOS pairing request message is adjacent BSC judged result, BSC sentences according to this
Disconnected result, and the pairing situation and disturbed condition of local frequency to be paired are combined, decide whether to be matched；
If the frequency that the information in the response message of VAMOS pairing request message is adjacent BSC is believed in the time slot
Disturbed condition and/or VAMOS the pairing situation in road, then BSC matches situation according to the disturbed condition and/or VAMOS, and combines this
The pairing situation and disturbed condition of ground frequency to be paired, decide whether to be matched；
If the information in the response message of VAMOS pairing request message be under adjacent BSC the disturbed condition of cell and/
Or VAMOS matches situation, then BSC therefrom obtains the non-slotted channel where local frequency point information to be paired and the frequency point information
Information matches situation in adjacent BSC disturbed condition and/or VAMOS, and BSC matches feelings according to the disturbed condition and/or VAMOS
Condition, and the pairing situation and disturbed condition of local frequency to be paired are combined, decide whether to be matched.
Embodiment one
Fig. 3 is the schematic diagram of the embodiment one of the implementation method of VAMOS technologies of the present invention, as shown in figure 3, this method includes
Following steps：
Step 1, BSC1 determines when pairing is needed on some frequencies and non-slotted channel of local cell 1~5, will carry
Have where the frequency point information to be paired and the frequency point information of cell (cell 3 and cell 5) locally adjacent with BSC 2 when
The VAMOS configuration request messages of gap channel information, adjacent BSC 2 is sent to by the interface between BSC.
Step 2, BSC2 is received after VAMOS pairing request message, each cell (cell adjacent with BSC1 under inquiry BSC2
1, cell 2, cell 4) frequency and the frequency where non-slotted channel whether matched, if matched, BSC2
Corresponding tick lables is 0 in the response message of VAMOS pairing request message, if do not matched, is masked as 1.
Embodiment two
Fig. 4 is the schematic diagram of the embodiment two of the implementation method of VAMOS technologies of the present invention, as shown in figure 4, this method includes
Following steps：
Step 1, BSC1 determines when pairing is needed on some frequencies and non-slotted channel of local cell 1~5, passes through
Interface between BSC sends VAMOS configuration request messages to adjacent BSC2.
Step 2, BSC2 is received after VAMOS configuration request messages, each cell (cell adjacent with BSC1 under inquiry BSC2
1, cell 2, cell 4) frequency point information and the frequency point information where non-slotted channel information VAMOS pairing situation, by this
VAMOS pairings situation feeds back to BSC1.
To realize the above method, the present invention also provides a kind of system of realizing of VAMOS technologies, and Fig. 5 is VAMOS skills of the present invention
The structural representation for realizing system of art, as shown in figure 5, the system includes：BSC 52 adjacent with least one BSC 51；Its
In,
BSC 51, for carrying out during VSMOS pairings, sends VAMOS pairing requests at least one adjacent BSC 52 and disappears
Breath；
Adjacent BSC 52, for according to the VAMOS pairing request message received, by the sound of VAMOS pairing request message
Message is answered to be sent to BSC 51.
BSC 51, is additionally operable to the information in the response message according to all VAMOS pairing requests message, and locally wait to match somebody with somebody
To frequency pairing situation and disturbed condition, decide whether to be matched.
The BSC 51 sends VAMOS pairing request message at least one adjacent BSC 52：BSC passes through between BSC
Interface, VAMOS pairing request message is sent to adjacent BSC；Wherein, BSC is carried in the VAMOS pairing requests message
In non-slotted channel information where frequency point information to be paired and the frequency point information, or the VAMOS pairing requests message not
Carry information.
The response message of VAMOS pairing request message is sent to BSC 51 and is by the adjacent BSC 52：If VAMOS
The non-slotted channel information where BSC frequency point informations to be paired and the frequency point information is carried in pairing request message, then phase
The local frequency of adjacent BSC inquiries matches situation in the disturbed condition and/or VAMOS of the non-slotted channel, when VAMOS matches feelings
Condition is when having matched, and/or disturbed condition, when being that interference exceedes max threshold, judged result is it is not recommended that BSC is in the frequency
The non-slotted channel is matched；Conversely, judged result is that in the frequency, the non-slotted channel is matched suggestion BSC；Adjacent BSC
The response message of the VAMOS pairing request message of judged result will be carried, BSC is sent to by the interface between BSC；
Or, the response message of VAMOS pairing request message is sent to BSC 51 and is by the adjacent BSC 52：If
The non-slotted channel information where BSC frequency point informations to be paired and the frequency point information is carried in VAMOS pairing request message,
Then the local frequency of adjacent BSC inquiries matches situation in the disturbed condition and/or VAMOS of the non-slotted channel, will inquire
Disturbed condition and/or VAMOS pairing situation, by the response message of VAMOS pairing request message, and pass through connecing between BSC
Mouth is sent to BSC；
Or, the response message of VAMOS pairing request message is sent to BSC 51 and is by the adjacent BSC 52：If
Without information is carried in VAMOS pairing request message, then the disturbed condition and/or VAMOS of adjacent BSC inquiries home cell are matched somebody with somebody
To situation, the disturbed condition inquired and/or VAMOS are matched into response message of the situation by VAMOS pairing request message, and
BSC is sent to by the interface between BSC；Wherein home cell be adjacent BSC under all cells or adjacent BSC under with
Cell adjacent BSC.
The BSC 51 is and local to be paired according to the information in the response messages of all VAMOS pairing requests message
Frequency pairing situation and disturbed condition, decide whether to be paired into：If the response message of VAMOS pairing request message
In information be adjacent BSC judged result, and combine the pairing situation and disturbed condition of local frequency to be paired, then
BSC decides whether to be matched according to the judged result；
Or, the BSC51 is according to the information in the response messages of all VAMOS pairing requests message, and locally wait to match somebody with somebody
To frequency pairing situation and disturbed condition, decide whether to be paired into：If the response of VAMOS pairing request message disappears
Information in breath is that the adjacent BSC frequency matches situation in the disturbed condition and/or VAMOS of the non-slotted channel, then BSC roots
According to the disturbed condition and/or VAMOS pairing situations, and the pairing situation and disturbed condition of local frequency to be paired are combined, certainly
It is fixed whether to be matched.
Or, the BSC 51 is according to the information in the response messages of all VAMOS pairing requests message, and locally wait to match somebody with somebody
To frequency pairing situation and disturbed condition, decide whether to be paired into：If the response of VAMOS pairing request message disappears
Information in breath is the disturbed condition of cell and/or VAMOS pairing situations under adjacent BSC, then BSC, which is therefrom obtained, locally waits to match somebody with somebody
To frequency point information and the frequency point information where non-slotted channel information BSC disturbed condition and/or VAMOS match feelings
Condition, matches situation, and combine the pairing situation and interference feelings of local frequency to be paired according to the disturbed condition and/or VAMOS
Condition, decides whether to be matched.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (11)
1. a kind of implementation method of adaptive single time slot multiuser channel voice (VAMOS) technology, it is characterised in that this method bag
Include：
When BSC carries out VAMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；
The response message of VAMOS pairing request message is sent to by adjacent BSC according to the VAMOS pairing request message received
BSC。
2. according to the method described in claim 1, it is characterised in that this method also includes：
BSC is according to the pairing of the information in the response messages of all VAMOS pairing requests message, and local frequency to be paired
Situation and disturbed condition, decide whether to be matched.
3. according to the method described in claim 1, it is characterised in that the BSC sends VAMOS at least one adjacent BSC
Pairing request message is：
VAMOS pairing request message is sent to adjacent BSC by BSC by the interface between BSC；Wherein, the VAMOS pairings
The non-slotted channel information where BSC frequency point informations to be paired and the frequency point information, or the VAMOS are carried in request message
Information is not carried in pairing request message.
4. method according to claim 3, it is characterised in that the adjacent BSC is by the sound of VAMOS pairing request message
Answer message to be sent to BSC to be：
If carrying the time slot where BSC frequency point informations to be paired and the frequency point information in VAMOS pairing request message
Channel information, then the local frequency of adjacent BSC inquiries match situation in the disturbed condition and/or VAMOS of the non-slotted channel,
When VAMOS pairing situations are to have matched, and/or disturbed condition is that judged result is not build when disturbing to exceed max threshold
Discussing BSC, the non-slotted channel is matched in the frequency；Conversely, judged result is that in the frequency, the non-slotted channel is carried out suggestion BSC
Pairing；Adjacent BSC will carry the response message of the VAMOS pairing request message of judged result, be sent by the interface between BSC
To BSC.
5. method according to claim 3, it is characterised in that the adjacent BSC is by the sound of VAMOS pairing request message
Answer message to be sent to BSC to be：
If carrying the time slot where BSC frequency point informations to be paired and the frequency point information in VAMOS pairing request message
Channel information, then the local frequency of adjacent BSC inquiries match situation in the disturbed condition and/or VAMOS of the non-slotted channel,
By the disturbed condition inquired and/or VAMOS pairing situations, by the response message of VAMOS pairing request message, and pass through
Interface between BSC is sent to BSC.
6. method according to claim 3, it is characterised in that the adjacent BSC is by the sound of VAMOS pairing request message
Answer message to be sent to BSC to be：
If without carrying information in VAMOS pairing request message, the disturbed condition of adjacent BSC inquiries home cell and/
Or VAMOS pairing situations, the disturbed condition inquired and/or VAMOS are matched into sound of the situation by VAMOS pairing request message
Message is answered, and BSC is sent to by the interface between BSC；Wherein home cell is all cells or adjacent under adjacent BSC
The cell adjacent with BSC under BSC.
7. method according to claim 4, it is characterised in that the BSC is according to the sound of all VAMOS pairing requests message
Answer the information in message, and local frequency to be paired pairing situation and disturbed condition, decide whether to be paired into：
If the information in the response message of VAMOS pairing request message is adjacent BSC judged result, BSC is according to this
Judged result, and the pairing situation and disturbed condition of local frequency to be paired are combined, decide whether to be matched.
8. method according to claim 5, it is characterised in that the BSC is according to the sound of all VAMOS pairing requests message
Answer the information in message, and local frequency to be paired pairing situation and disturbed condition, decide whether to be paired into：
If the information in the response message of VAMOS pairing request message is the adjacent BSC frequency in the non-slotted channel
Disturbed condition and/or VAMOS pairing situations, then BSC matches situation according to the disturbed condition and/or VAMOS, and combination is locally treated
The pairing situation and disturbed condition of the frequency of pairing, decide whether to be matched.
9. method according to claim 6, it is characterised in that the BSC is according to the sound of all VAMOS pairing requests message
Answer the information in message, and local frequency to be paired pairing situation and disturbed condition, decide whether to be paired into：
If the information in the response message of VAMOS pairing request message be under adjacent BSC the disturbed condition of cell and/or
VAMOS matches situation, then BSC therefrom obtains the non-slotted channel letter where local frequency point information to be paired and the frequency point information
The disturbed condition and/or VAMOS ceased in adjacent BSC matches situation, and situation is matched according to the disturbed condition and/or VAMOS, and
With reference to the pairing situation and disturbed condition of local frequency to be paired, decide whether to be matched.
10. a kind of VAMOS technologies realize system, it is characterised in that the system includes：BSC adjacent with least one BSC；
Wherein,
BSC, for carrying out during VAMOS pairings, VAMOS pairing request message is sent at least one adjacent BSC；
Adjacent BSC, for according to the VAMOS pairing request message received, the response message of VAMOS pairing request message to be sent out
Give BSC.
11. system according to claim 10, it is characterised in that the BSC is additionally operable to, please according to all VAMOS pairings
Seek the information in the response message of message, and local frequency to be paired pairing situation and disturbed condition, decide whether into
Row pairing.
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| Study on VAMOS enhancements;China Mobile Com. Corporation et al;《3GPP TSG GERAN#50，Tdoc GP-110991 Agenda Item 6.4》;20110520;第3、4节 * |
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